V75eN - Boiler Rinnai - Free user manual and instructions

USER MANUAL V75eN Rinnai

Direct Vent Tankless Water Heater Installaon and Operaon Manual — Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or any other appliance. — WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance. Do not touch any electrical switch; do not use any phone in your building. Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instrucons. If you cannot reach your gas supplier, call the re department. — Installaon and service must be performed by a licensed professional. This enre manual must be le for the consumer. The consumer must read and refer to this manual for proper operaon and to maintain the water heater. If the informaon in these instrucons is not followed exactly, a re or explosion may result causing property damage, personal injury or death. WARNING READ ALL OF THE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR OPERATING THIS WATER HEATER. This manual provides informaon on the installaon, operaon, and maintenance of the water heater. For proper operaon and safety, it is important to follow the instrucons and adhere to the safety precauons. A licensed professional must install the water heater according to the exact instrucons on pages 4-27. The consumer must read the enre manual to properly operate the water heater and to have regular maintenance performed.

FOR OUTDOOR APPLICATIONS ONLY

• V94e REU-VC2837W-US V75e REU-VC2528W-US V65e
• REU-VC2025W-US SANITATION Low Lead Content NSF/ANSI 372 C US2 Value Series Manual Table of Contents This is the safety alert symbol. This symbol alerts you to potenal hazards that can kill or hurt you and others. Indicates an imminently hazardous situaon which, if not avoided, will result in death or serious injury. Indicates a potenally hazardous situaon which, if not avoided, could result in death or serious injury. Indicates a potenally hazardous situaon which, if not avoided, could result in minor or moderate injury. It may also be used to alert against unsafe pracces. DANGER CAUTION WARNING Table of Contents p. 2
• Safety Behaviors and Pracces for the Consumer and Installer p. 3
• Installaon Instrucons (for the licensed professional) p. 4
• Prepare for Installaon p. 5
• Determine Installaon Locaon p. 6
• Freeze Protecon p. 11
• Checklist to Determine Installaon Locaon p. 12
• Mount to Wall p. 12
• Remove the Front Panel p. 12
• Installaon of Venng (indoor models only) p. 13
• Condensate (indoor models only) p. 15
• Checklist for Venng and Condensate (indoor models only) p. 15
• Installaon of Plumbing p. 16
• Checklist for Plumbing p. 18
• Installaon of Gas Supply p. 18
• Connect Electricity p. 20
• Adjust for High Altude p. 20
• Adjust for Vent Length (indoor models only) p. 20
• Checklist for Gas and Electricity p. 20
• Installaon of Temperature Controller p. 21
• Final Checklist p. 23
• Technical Data p. 24
• Specicaons p. 24
• Dimensions p. 25
• Pressure Drop and Water Flow Curves p. 26
• Ladder Diagram p. 27
• Operaon Instrucons p. 28
• Consumer Operaon Guidelines for the Safe Operaon of your Water Heater p. 29
• How to Use the Temperature Controller p. 30
• How to Set the Temperature p. 31
• Diagnosc Codes p. 33
• Required Maintenance p. 36
• Freeze Protecon and Winterizaon p. 37
• Flushing the Heat Exchanger p. 38
• Manual Draining of the Water Heater p. 39
• State Regulaons p. 40
• Replacement Parts p. 41
• Consumer Warranty p. 42
• French Version p. 44
• Important Safety Informaon Safety Denions NOTICE: Rinnai somemes shares customer contact informaon with businesses that we believe provide products or services that may be useful to you. By providing this informaon, you agree that we can share your contact informaon for this purpose. If you prefer not to have your informaon shared with these businesses, please contact customer service and ask not to have your informaon shared. We will however, connue to contact you with informaon relevant to the product(s) you registered and/ or you account with us. If you have any quesons or feel that the manual is incomplete contact Rinnai at 1-800-621-9419.Value Series Manual 3 CAUTION BURN HAZARD. Hot exhaust and vent may cause serious burns. Keep away from the water heater unit. Keep small children and animals away from the unit. Hot water outlet pipes leaving the unit can be hot to touch. In residenal applicaons, insulaon must be used for hot water pipes below 36” due to burn risk to children. Safety Behaviors and Pracces for the Consumer and Installer Before operang, smell all around the appliance area for gas. Be sure to smell next to the oor because some gas is heavier than air and will sele on the oor. Keep the area around the appliance clear and free from combusble materials, gasoline, and other ammable vapors and liquids. Combusble construcon refers to adjacent walls and ceiling and should not be confused with combusble or ammable products and materials. Combusble and/or ammable products and materials should never be stored in the vicinity of this or any gas appliance. Always check the water temperature before entering a shower or bath. To protect yourself from harm, before performing maintenance: Turn o the electrical power supply by unplugging the power cord or by turning o the electricity at the circuit breaker. (The temperature controller does not control the electrical power.) Turn o the gas at the manual gas valve, usually located immediately below the water heater. Turn o the incoming water supply. This can be done at the isolaon valve immediately below the water heater or by turning o the water supply to the building. WARNING Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, do not try to repair it; call a licensed professional. Force or aempted repair may result in a re or explosion. Do not use this appliance if any part has been under water. Immediately call a licensed professional to inspect the appliance and to replace any part of the control system and any gas control which has been under water. Do not use substute materials. Use only parts cered for the appliance. Should overheang occur or the gas supply fail to shut o, turn o the manual gas control valve to the appliance. Do not adjust the DIP switch unless specically instructed to do so. Do not use an extension cord or an adapter plug with this appliance. Any alteraon to the appliance or its controls can be dangerous and will void the warranty. Proper venng is required for the safe operaon of this appliance. Ensure appliance venng is not blocked or parally blocked. Ensure that in cases of freezing weather the water heater and its water lines are protected to prevent freezing. California law requires this noce to be provided: California Proposion 65: This product contains chemicals known to the state of California to cause cancer, birth defects, or other reproducve harm. WARNING4 Value Series Manual A licensed professional must install the appliance, inspect it, and leak test it before use. The warranty will be voided due to improper installaon. The installer should have skills such as: gas sizing connecng gas lines, water lines, valves, electricity, knowledge of applicable naonal, state, and local codes. installing venng through a wall or roof training in installaon of tankless water heaters. (Training can be accessed online at www.trainingevents.rinnai.us) Installaon Instrucons (for the licensed professional) Installaon Steps Prepare for Installaon p. 5
• Determine Installaon Locaon p. 6
• Checklist to Determine Installaon Locaon p. 12
• Mount to Wall p. 12
• Remove the Front Panel p. 12
• Installaon of Venng (indoor models only) p. 13
• Condensate (indoor models only) p. 15
• Checklist for Venng and Condensate (indoor models only) p. 15
• Installaon of Plumbing p. 16
• Checklist for Plumbing p. 18
• Installaon of Gas Supply p. 18
• Connect Electricity p. 20
• Adjust for High Altude p. 20
• Adjust for Vent Length (indoor models only) p. 20
• Checklist for Gas and Electricity p. 20
• Installaon of Temperature Controller p. 21
• Final Checklist General Instrucons Installer Qualicaons DO NOT Do not install the V94i, V94Xi, V75i, or the V65i outdoors. Do not install the V94e, V75e, or the V65e indoors. Do not install the appliance in an area where water leakage of the unit or connecons will result in damage to the area adjacent to the appliance or to lower oors of the structure. When such locaons cannot be avoided, it is recommended that a suitable drain pan, adequately drained, be installed under the appliance. The pan must not restrict combuson air ow. Do not obstruct the ow of combuson and venlaon air. Combuson air shall not be supplied from occupied spaces. Do not use this appliance in an applicaon such as a pool or spa heater that uses chemically treated water . (This appliance is suitable for lling large or whirlpool spa tubs with potable water.) Do not use substute parts that are not authorized for this appliance. MUST DO The installaon must conform with local codes or, in the absence of local codes, with the Naonal Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installaon Code, CSA B149.1. If installed in a manufactured home, the installaon must conform with the Manufactured Home Construcon and Safety Standard, Title 24 CFR, Part 3280 and/or CAN/SCA Z240 MH Series, Mobile Homes. The appliance, when installed, must be electrically grounded in accordance with local codes or, in the absence of local codes, with the Naonal Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, CSA C22.1. The appliance and its appliance main gas valve must be disconnected from the gas supply piping system during any pressure tesng of that system at test pressures in excess of 1/2 psi (3.5 kPa) (13.84 in W.C.). Type of installaon For installaon in residenal applicaons. Cered for installaon in manufactured (mobile) homes.Value Series Manual 5 Prepare for Installaon Parts included Tools needed Materials needed You must follow the installaon instrucons and those in Care and Maintenance for adequate combuson air intake and exhaust. INFORMATION If a water heater is installed in a closed water supply system, such as one having a backow preventer in the cold water supply line, means shall be provided to control thermal expansion. Contact the water supplier or local plumbing inspector on how to control thermal expansion. Should overheang occur or the gas supply fail to shut o, turn o the manual gas control valve to the appliance. Keep the air intake locaon free of chemicals such as chlorine or bleach that produce fumes. These fumes can damage components and reduce the life of your appliance. Tankless water heater MC-91-2 temperature controller (integrated into indoor models; provided with outdoor models) Pipe wrenches (2) Adjustable pliers Screwdrivers (2) Wire cuers Gloves Safety glasses Level Tools that might be needed Hammer drill with concrete bits Saw Threading machine with heads and oiler Core drill with diamond head Torch set Copper tubing cuer Steel pipe cuer Materials that may be needed Soap or gas leak detector soluon Approved venng Teon tape (recommended) or pipe compound Pressure relief valve Heat tape Pipe insulaon Electrical wire and conduit per local code Concrete wall anchors Oponal pipe cover Oponal temperature controller 5/8” ID PVC exible tubing 2 conductor 22 AWG wire for controller Single gang electrical box Wire nuts Unions, drain valves, isolaon valves6 Value Series Manual Environment Air surrounding the water heater, venng, and vent terminaon(s) is used for combuson and must be free of any compounds that cause corrosion of internal components. These include corrosive compounds that are found in aerosol sprays, detergents, bleaches, cleaning solvents, oil based paints/ varnishes, and refrigerants. The air in beauty shops, dry cleaning stores, photo processing labs, and storage areas for pool supplies oen contains these compounds. Therefore it is recommended that outdoor models be used for these locaons where possible. The water heater, venng, and vent terminaon(s) should not be installed in any areas where the air may contain these corrosive compounds. If it is necessary for a water heater to be located in areas which may contain corrosive compounds, the following instrucons are strongly recommended. IMPORTANT CONSIDERATIONS FOR: Indoor/Internal Water Heaters DO NOT Install in areas where air for combuson can be contaminated with chemicals. Before installaon, consider where air has the ability to travel within the building to the water heater. Where possible, install the water heater in a sealed closet so that it is protected from the potenal of contaminated indoor air. Chemicals that are corrosive in nature should not be stored or used near the water heater. Outdoor/External Water Heaters and Vent Terminaons of Indoor/Internal Water Heaters Install the water heater as far away as possible from exhaust vent hoods. Install as far away as possible from air inlet vents. Corrosive fumes may be released through these vents when air is not being brought in through them. Chemicals that are corrosive in nature should not be stored or used near the water heater or vent terminaon. Damage and repair due to corrosive compounds in the air is not covered by warranty. Consideraon of care for your water heater should include evaluaon of water quality. The water must be potable, free of corrosive chemicals, sand, dirt, or other contaminates. It is up to the installer to ensure the water does not contain corrosive chemicals, or elements that can aect or damage the heat exchanger. Water that contains chemicals exceeding the levels below aect and damage the heat exchanger. Replacement of the heat exchanger due to water quality damage is not covered by the warranty. Maximum Level Total Hardness Up to 200 mg / L Aluminum * Up to 0.2 mg / L Chlorides * Up to 250 mg / L Copper * Up to 1.0 mg / L Dissolved Carbon Dioxide (CO2) Up to 15.0 mg / L or PPM Iron * Up to 0.3 mg / L Manganese * Up to 0.05 mg / L pH * 6.5 to 8.5 TDS (Total Dissolved Solids) * Up to 500 mg / L Zinc * Up to 5 mg / L Determine Installaon Locaon Water Quality p. 23

• Source: Part 143 Naonal Secondary Drinking Water Regulaons If you install this water heater in an area that is known to have hard water or that causes scale build-up the water must be treated and/or the heat exchanger ushed regularly. When scale build-up in the heat exchanger begins to aect the performance of the water heater, a diagnosc code “LC#” will display. Flush the heat exchanger to prevent damage to it. Scale build up is caused by hard water set at a high temperature. Rinnai oers Southeastern Filtraon’s “ScaleCuer Water Condioning System” that oers superior lime scale prevenon and corrosion control by feeding a blend of control compounds into the cold water supply. You must ensure that clearances will be met and that the vent length will be within required limits. Consider the installaon environment, water quality, and need for freeze protecon. Requirements for the gas line, water lines, electrical connecon, and condensate disposal can be found in their respecve installaon secons of this manual. Part Number Descripon 103000038 Southeastern Filtratrion ScaleCuer System 3/4” Feed 103000039 ScaleCuer RellValue Series Manual 7 INSIDECORNER DETAILFIXEDCLOSEDOPERABLEFIXEDCLOSEDOPERABLE

[1] A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings. [2] Permied only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the oor. For clearances not specied in ANSI Z223.1/NFPA 54, clearances are in accordance with local installaon codes and the requirements of the gas supplier. Clearance to opposite wall is 24 inches (60 cm).

NOT PERMITTTED For indoor models, you must install a vent terminaon to bring in combuson air and expel exhaust. SNOW TERMINATION Clearance in Ref. A also applies to anticipated snow line

Direct Vent (Indoor Unit) Other than direct vent (Outdoor unit) Ref Descripon Canadian Installaons (CSA B149.1) US Installaons (ANSI Z223.1 / NFPA 54) Canadian Installaons (CSA B149.1) US Installaons (ANSI Z223.1 / NFPA 54) A Clearance above grade, veranda, porch, deck, or balcony 12 inches (30 cm) 12 inches (30 cm) 12 inches (30 cm) 12 inches (30 cm) B Clearance to window or door that may be opened 36 inches (91 cm) 12 inches (30 cm) 6 in (15 cm) for appliances ≤ 10,000 Btuh (3 kW), 12 in (30 cm) for appliances > 10,000 Btuh (3 kW) and ≤ 100,000 Btuh (30 kW), 36 in (91 cm) for appliances >100,000 Btuh (30 kW) 4 (1.2 m) below or to side of opening; 1 (300 mm) above opening C Clearance to permanently closed window * * * * D Vercal clearance to venlated sot, located above the terminal within a horizontal distance of 2 feet (61 cm) from the center line of the terminal

E Clearance to unvenlated sot * * * * F Clearance to outside corner * * * * G Clearance to inside corner * * * * H Clearance to each side of center line extended above meter/regulator assembly 3 feet (91 cm) within a height 15 feet (4.5 m) above the meter/regulator assembly * 3 feet (91 cm) within a height 15 feet (4.5 m) above the meter/regulator assembly * I Clearance to service regulator vent outlet 36 inches (91 cm) * 36 inches (91 cm) * J Clearance to nonmechanical air supply inlet to building or the combuson air inlet to any other appliance 36 inches (91 cm) 12 inches (30 cm) 6 in (15 cm) for appliances ≤ 10,000 Btuh (3 kW), 12 in (30 cm) for appliances > 10,000 Btuh (3 kW) and ≤ 100,000 Btuh (30 kW), 36 in (91 cm) for appliances >100,000 Btuh (30 kW) 4 (1.2 m) below or to side of opening; 1 (300 mm) above opening K Clearance to a mechanical air supply inlet 6 feet (1.83 m) 3 feet (91 cm) above if within 10 feet (3 m) horizontally 6 feet (1.83 m) 3 feet (91 cm) above if within 10 feet (3 m) horizontally L Clearance above paved sidewalk or paved driveway located on public property 7 feet (2.13 m) * 7 feet (2.13 m) * M Clearance under veranda, porch, deck, or balcony 12 inches (30 cm) * 12 inches (30 cm) * Terminal Clearances8 Value Series Manual 24"

Check on whether local codes supersede these clearances. Avoid terminaon locaons near a dryer vent. Avoid terminaon locaons near commercial cooking exhaust. You must install a vent terminaon at least 12 inches from the ground 60"

(1.52 m) between terminals at dierent levels (0.61 m) to wall or parapet (0.30 m) between terminals at same level 12" V V (1.52 m) vercally between terminals

Addional clearances - V94i, V94Xi, V75i, V65i 12"12"36"INSIDECORNER V V (0.30 m ) to an inside corner (0.30 m) between terminals at same level Important consideraons for locang vent terminaon under a sot (venlated or unvenlated or eave vent; or to a deck or porch) Do not install vent terminaon under a sot vent such that exhaust can enter the sot vent Install vent terminaon such that exhaust and rising moisture will not collect under eaves. Discoloraon to the exterior of the building could occur if installed too close. Do not install the vent terminaon too close under the sot where it could present recirculaon of exhaust gases back into the combuson air intake part of the terminaonValue Series Manual 9

12" 60" 36" Local codes supersede these clearances. Avoid terminaon locaons near a dryer vent. Avoid terminaon locaons near commercial cooking exhaust. Addional clearances V94e, V75e, V65e (0.30 m) to an inside corner (50 mm) between terminals at same level (1.52 m) vercally between terminals (0.91 m) to venlated or unvenlated sot or eve vent; or to a deck or porch10 Value Series Manual Unit clearances

• 0 inches from vent components and condensate drain line. The clearance for servicing is 24 inches in front of the water heater. For closet installaon, clearance is 6 inches (152 mm) from the front. Indoor models: V94i, V94Xi, V75i, V65i Outdoor models: V94e, V75e, V65e The clearance for servicing is 24 inches in front of the water heater. to Combusbles inches (mm) to Non- Combusbles inches (mm) Top of Heater 12 (305) 2 (51) Back of Heater 0 (zero) 0 (zero) Front (Panel) 24 (610) 0 (zero) Front (Exhaust) 24 (610) 24 (610) Sides of Heater 6 (152) 1/8 (3.2) Ground/Boom 12 (305) 2 (51) to Combusbles inches (mm) to Non- Combusbles inches (mm) Top of Heater 6 * (152) 2 *(51) Back of Heater 0 (zero) 0 (zero) Front of Heater 6 (152) 6 (152) Sides of Heater 2 (51) 1/2 (13) Ground/Boom 12 (305) 12 (305) Vent 0 (zero) 0 (zero)Value Series Manual 11 Freeze Protecon Make sure that in case of freezing weather that the water heater and its water lines are protected to prevent freezing. Damage due to freezing is not covered by the warranty. Loss of freeze protecon may result in water damage from a burst heat exchanger or water lines. With electrical power and gas supplied, the water heater will not freeze when the outside air temperature is as cold as –22°F (-30°C) for indoor models or is as cold as –4°F (-20°C) for outdoor models, when protected from direct wind exposure. Because of the “wind-chill” eect, any wind or circulaon of the air on the unit will reduce its ability to freeze protect. The unit may be drained manually. However, it is highly recommended that: drain down solenoid valves are installed that will automacally drain the unit if power is lost. These are available in a kit, 104000059. a surge protector with terminals is installed which allows the solenoid valves to operate if the unit is disabled due to a diagnosc code. This is available as 104000057. In addion, the solenoid valves should be connected electrically to a surge protector with terminals. This allows the solenoid valves to operate if the water heater is disabled due to a diagnosc code. The freeze protecon features will not prevent the external piping from freezing. It is recommended that hot and cold water pipes are insulated. Pipe cover enclosures may be packed with insulaon for added freeze protecon. In the event of a power failure and/or gas interrupon at temperatures below freezing the water heater should be drained of all water to prevent freezing damage. In addion, drain the condensate trap and drain line. Maximum vent length (indoor models only)

1. Determine the number of 90 degree elbows in

the vent system. (Two 45 degree elbows count as one 90 degree elbow.)

2. Refer to the table to nd the maximum vent

length based on the number of elbows.

3. Adjust SW 1 in DIPSW 1 (tan switches) if required

by the applicable note. If the length is greater than 21 (6.4 m) then move SW 1 in DIPSW 1 to OFF. If the length is greater than 15 (4.6 m) then move SW 1 in DIPSW 1 to OFF. If the length is greater than 9 (2.7 m) then move SW 1 in DIPSW 1 to OFF. Move SW 1 in DIPSW 1 to OFF. Example: If you have one elbow then your maximum vent length is 35 feet (10.7 m). If your actual length is greater than 15 (4.6 m) then move SW 1 in DIPSW 1 to OFF. Number of 90° Elbows Maximum vent length 0 41 (12.5 m) 1 35 (10.7 m) 2 29 (8.8 m) 3 23 (7.0 m) 4 17 (5.2 m) 5 11 (3.4 m) 6 5 (1.5 m) If you have a longer vent length (see above), SW 1 in DIPSW 1 is required to be in the OFF posion. This ensures the water heater will run properly. Blocked ue diagnosc codes and shutdowns may result if SW 1 in DIPSW 1 is not in the correct posion. NOTICE12 Value Series Manual Mount to Wall wall installaon brackets Checklist to Determine Installaon Locaon □ The water heater is not exposed to corrosive compounds in the air. □ The water heater locaon complies with the clearances. □ For indoor models, the planned venng will not exceed the maximum length for the number of elbows used. □ The planned venng terminaon/air intake locaon meets the clearances. □ The water supply does not contain chemicals or exceed total hardness that will damage the heat exchanger. □ A standard 3 prong 120 VAC, 60 Hz properly grounded wall outlet (for indoor models) or other 120 VAC, 60 Hz source is available. □ The installaon must conform with local codes or, in the absence of local codes, with the Naonal Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installaon Code, CSA B149.1. If installed in a manufactured home, the installaon must conform with the Manufactured Home Construcon and Safety Standard, Title 24 CFR, Part 3280 and/or CAN/SCA Z240 MH Series, Mobile Homes. □ Leave the enre manual taped to the water heater (indoor models), temperature controller (outdoor models), or give the enre manual directly to the consumer.

1. Idenfy the installaon locaon and conrm that

the installaon will meet all required clearances.

2. Securely aach the water heater to the wall

using any of the holes in the wall installaon brackets which are at the top and boom of the water heater. Ensure that the aachment strength is sucient to support the weight. Refer to the weight of the water heater in the Specicaons secon. Use a leveling tool to ensure that the water heater is level. Proper operaon requires that the water heater be level. NOTE: The water heater should be installed in an upright posion. Do not install upside down or on its side. Remove the Front Panel Slide the plasc trim pieces on each side of the water heater to expose the screws. Remove the 4 screws and pull o the front panel.Value Series Manual 13 Manufacturer Listed and Tested Vent Products for V94i, V94Xi, V75i and V65i Telephone Fax Contact Ubbink Rolux Vent System 800-621-9419 678-829-1666 www.rinnai.us Heat-Fab Saf-T Vent SC system 800-772-0739 413-863-4803 [e-mail], www.heaab.com Metal-Fab Corr/Guard Vent/Air Intake System 800-835-2830 316-943-2717 [e-mail], www.metal-fabinc.com Installaon of Venng (indoor models only) Install the correct venng for your model according to the venng manufacturer’s instrucons and the guidelines below. Refer to the manufacturer’s technical literature for specic part numbers and instrucons. Venng Guidelines DO NOT Do not use PVC, CPVC, ABS or galvanized material to vent this appliance. Do not combine vent components from dierent manufacturers. Vent diameter must not be reduced. Do not connect the venng system with an exisng vent or chimney. Do not common vent with the vent pipe of any other water heater or appliance. MUST DO This water heater is a direct vent water heater and therefore is cered and listed with the vent system. You must use vent components that are cered and listed with the water heater model. The vent system must vent directly to the outside of the building and use outside air for combuson. Avoid dips or sags in horizontal vent runs by installing supports per the vent manufacturer’s instrucons. Support horizontal vent runs every four feet and all vercal vent runs every six feet or in accordance with local codes. Venng should be as direct as possible with a minimum number of pipe ngs. Vent connecons must be rmly pressed together so that the gaskets form an air ght seal. The vent piece connected to the water heater must be secured with one self-tapping screw. INFORMATION Refer to the instrucons of the vent system manufacturer for component assembly instrucons. If the vent system is to be enclosed, it is suggested that the design of the enclosure shall permit inspecon of the vent system. The design of such enclosure shall be deemed acceptable by the installer or the local inspector. NOTICE If it becomes necessary to access an enclosed vent system for service or repairs, Rinnai is not responsible for any costs or dicules in accessing the vent system. The warranty does not cover obtaining access to a vent system in an enclosed environment.14 Value Series Manual Flue Installaon (indoor models only) Vercal Terminaon (condensate collector must be used in all installaons) 3 in (75 mm) minimum 3 in (75 mm) minimum Horizontal Terminaon using the Condensate Collector 3 in (75 mm) minimum Condensate Trap To adjust the condensate collector posion or to replace the female vent top with a male vent top:

1. Loosen the 4 screws at the rear bracket

2. Slide the bracket away from the female vent top.

3. Remove the 4 screws aaching the female vent top

to the water heater.

4. Li up the female vent top and reposion as desired

(or replace with a male vent top).

5. Install the 4 screws at the vent top and ghten the 4

screws at the bracket. Secure the rst vent component to the water heater with one self-tapping screw at the hole located above the condensate collector. Bracket Condensate Collector Securing Screw Horizontal Terminaon without using the Condensate Collector Maximum Height * 5 feet (1.52 m) Regions of cold climate will create more condensate in the vent system. The condensate collector should be used in cold climates. If more than one elbow is used in the vercal secon the condensate collector must be used. * The condensate collector must be used in horizontal terminaons if a vercal rise in the vent system exceeds 5. If the condensate collector is not used, the drain pipe must be capped to prevent exhaust gases and condensate from entering the building. The cap is supplied on the appliance. WARNING Install the venng terminaon according to the diagrams and instrucons below.Value Series Manual 15 Condensate (indoor models only) Condensate formaon can occur in high eciency direct vent appliances. Without proper drainage condensate will damage the heat exchanger. To prevent condensate damage follow these instrucons. DO NOT Do not allow condensate to enter the water heater. Do not connect the condensate drain pipe directly to the rain sewer. Do not connect the condensate drain line with an air condioning evaporator coil drain. MUST DO Use only vent that is approved and idened as acceptable for your parcular model. For vercal terminaons, install a condensate drain and trap as close as possible to the appliance. Slope the venng toward the appliance according to the vent manufacturers installaon instrucons. All condensate must drain and be disposed of according to local codes. Use only corrosion resistant materials for the condensate drain lines such as PVC pipe or plasc hose. The condensate drain pipe (along its enre length) must be at least the same diameter as the drain line, (5/8 inch NPT). The end of the condensate drain pipe should be open to the atmosphere. The end should not be under water or other substances. To minimize freezing of the condensate, run the condensate drain line through an interior wall or between insulaon and an interior wall. The condensate collector should be used for all hydronic heang applicaons. Checklist for Venng and Condensate (indoor models only) □ Verify proper clearances around the vents and air intakes. □ Ensure you have used the correct venng products for the model installed and that you have completely followed the venng manufacturer’s installaon instrucons and these installaon instrucons. □ Verify that the vent pipe has a downward slope or grade to the outside of 1/4 inch per foot (1.2°) OR if the vent pipe is sloped toward the water heater (as some local codes require), that a condensate collector is installed to allow condensaon to drain away from the water heater to a proper drain source. □ Verify that condensate will not be allowed to drain back into the water heater. □ Verify that the vent system does not exceed the maximum length for the number of elbows used. INFORMATION A condensate trap is available, P/N 222053. Regions of cold climate will create more condensate in the vent system. The condensate collector should be used in cold climates. The condensate drain pipe should be as short as possible and have a downward pitch.16 Value Series Manual Installaon of Plumbing A manual water control valve must be placed in the water inlet connecon to the water heater before it is connected to the water line. Unions may be used on both the hot and cold water lines for future servicing and disconnecon of the unit. DO NOT Do not introduce toxic chemicals such as those used for boiler water treatment to the potable water used for space heang. MUST DO The piping (including soldering materials) and components connected to this appliance must be approved for use in potable water systems. Purge the water line to remove all debris and air. Debris will damage the water heater. If the appliance will be used as a potable water source, it must not be connected to a system that was previously used with a nonpotable water heang appliance. Ensure that the water lter on the water heater is clean and installed. Piping Requirements Pressure Relief Valve Requirements Install the pressure relief valve according to local plumbing codes and these instrucons. An approved pressure relief valve is required by the American Naonal Standard (ANSI Z21.10.3) for all water heang systems, and shall be accessible for servicing. DO NOT Do not plug the relief valve and do not install any reducing ngs or other restricons in the relief line. The relief line should allow for complete drainage of the valve and the line. Do not place any other type valve or shut o device between the relief valve and the water heater. MUST DO The relief valve must comply with the standard for Relief Valves and Automac Gas Shuto Devices for Hot Water Supply Systems ANSI Z21.22 and /or the standard Temperature, Pressure, Temperature and Pressure Relief Valves and Vacuum Relief Valves, CAN1-4.4. The relief valve must be rated up to 150 psi and to at least the maximum BTU/hr of the appliance. The discharge from the pressure relief valve should be piped to the ground or into a drain system per local codes. The pressure relief valve must be manually operated once a year to check for correct operaon. The relief valve should be added to the hot water outlet line and near the hot water outlet according to the manufacturer’s instrucons. DO NOT place any other type valve or shut o device between the relief valve and the water heater. INFORMATION If a relief valve discharges periodically, this may be due to thermal expansion in a closed water supply system. Contact the water supplier or local plumbing inspector on how to correct this situaon. Do not plug the relief valve. The American Naonal Standard (ANSI Z21.10.3) does not require a combinaon temperature and pressure relief valve for this appliance. However, local codes may require a combinaon temperature and pressure relief valve. Isolaon Valves Rinnai strongly recommends the installaon of isolaon valves on the cold and hot water lines because they provide the ability to isolate the water heater from the structure’s plumbing and allow quick access to ush the heat exchanger. Flushing the heat exchanger regularly is required as part of the proper maintenance for this water heater. Water discharged from the pressure relief valve could cause severe burns instantly or death from scalds. WARNINGValue Series Manual 17 Piping Diagram for Basic Installaon

3/4" Hot Water Supply Line Rinnai Water Heater Rinnai Equipment List Rinnai Water Heaters RIK-KIT (Optional) (3/4" Fittings Include: 2 Unions, 2 Ball Valves, 2 Drain Valves and 1 Pressure Relief Valve.) QTY11

Pressure Regulator Circulating Pump Solenoid Valve Boiler Drain Valve KEY This is not an engineered drawing. It is intended only as a guide and not as a replacement for professionally engineered project drawings. This drawing is not intended to describe a complete system. It is up to the contractor/engineer to determine the necessary components and configuration of the particular system being installed. This drawing does not imply compliance with local building code requirements. It is the responsibility of the contractor/engineer to ensure installation is in accordance with all local building codes. Confer with local building officials before installation.18 Value Series Manual Connect Water Heater to Water Supply Water connecons to the tankless water heater should follow all state and local plumbing codes. If this is a standard installaon, refer to the Piping Diagram for Basic Installaon.

1. Plumb water supply to the tankless water heater

on the 3/4” MNPT connecon at the boom of the unit marked “Water Inlet”, which is the cold water supply.

2. Plumb the building hot water supply to the 3/4”

MNPT connecon marked “Water Outlet”, which is the hot water supply. If a pipe cover will be installed, make sure water lines to the water heater t. Checklist for Plumbing □ Purge the water line of all debris and air by closing the hot isolaon valve and opening the cold isolaon valve and its drain. Debris will damage the water heater. Use a bucket or hose if necessary. □ Ensure that hot and cold water lines are not crossed to the unit and are leak free. □ Ensure that a pressure relief valve is installed with a rang that exceeds the BTU input of the water heater model. Refer to the rang plate on the side of the water heater for BTU input. □ Clean the inlet water lter by closing the cold and hot water inlet isolaon (shut-o) valves. Put a bucket under the lter at the boom of the water heater to catch any water that is contained inside the unit. Unscrew the water lter. Rinse the lter to remove any debris. Install the lter and open the isolaon valves. □ Check for proper water pressure to the water heater. Minimum water pressure is 20 psi. Rinnai recommends 30-80 psi for opmal performance. Installaon of Gas Supply MUST DO A manual gas control valve must be placed in the gas supply line to the water heater. A union can be used on the connecon above the shut o valve for the future servicing or disconnecon of the unit. Check the type of gas and the gas inlet pressure before connecng the water heater. If the water heater is not of the gas type that the building is supplied with, DO NOT connect the water heater. Contact the dealer for the proper unit to match the gas type. Check the gas supply pressure immediately upstream at a locaon provided by the gas company. Supplied gas pressure must be within the limits shown in the Specicaons secon with all gas appliances operang. Before placing the appliance in operaon all joints including the heater must be checked for gas ghtness by means of leak detector soluon, soap and water, or an equivalent nonammable soluon, as applicable. (Since some leak test soluons, including soap and water, may cause corrosion or stress cracking, the piping shall be rinsed with water aer tesng, unless it has been determined that the leak test soluon is non- corrosive.) Use approved connectors to connect the unit to the gas line. Purge the gas line of any debris before connecon to the water heater. General Instrucons WARNING

1. A licensed professional must install the gas

2. Turn o 120v power supply.

4. Gas is ammable. Do not smoke or provide other

ignion sources while working with gas.

5. Do not turn on the water heater or gas unl all

fumes are gone.Value Series Manual 19 Size the gas pipe The gas supply must be capable of handling the enre gas load at the locaon. Gas line sizing is based on gas type, the pressure drop in the system, the gas pressure supplied, and gas line type. For gas pipe siz- ing in the United States, refer to the Naonal Fuel Gas Code, NFPA 54. The below informaon is provided as an example. The appropriate table from the applica- ble code must be used.

1. For some tables, you will need to determine the

cubic feet per hour of gas required by dividing the gas input by the heang value of the gas (available from the local gas company). The gas input needs to include all gas products at the lo- caon and the maximum BTU usage at full load when all gas products are in use.

2. Use the table for your gas type and pipe type to

nd the pipe size required. The pipe size must be able to provide the required cubic feet per hour of gas or the required BTU/hour. Example: The heang value of natural gas for your locaon is 1000 BTU/FT

. The gas input of the V75i is 180,000 BTU/HR. Addional appliances at the locaon require 65,000 BTU/hr. Therefore the cubic feet per hour = (180,000 + 65,000) / 1000 = 245 FT

/HR. If the pipe length is 10 feet then the 3/4 inch pipe size is capable of supplying 273 FT

/HR of natural gas. Gas Input of all gas products (BTU / HR) Heang Value of Gas (BTU / FT

Cubic Feet per Hour = (CFH) Any compound used on the threaded joint of the gas piping shall be a type which resists the acon of liqueed petroleum gas (propane / LPG). The gas supply line shall be gas ght, sized, and so installed as to provide a supply of gas sucient to meet the maximum demand of the heater and all other gas consuming appliances at the locaon without loss of pressure. INFORMATION Refer to an approved pipe sizing chart if in doubt about the size of the gas line. Length Pipe Size (inches) 3/4 1 1 1/4 1 1/2

Pipe Sizing Table - Natural Gas Inlet Pressure: less than 2 psi (55 inches W.C.) Pressure Drop: 0.3 inches W.C. Specic Gravity: 0.60 Schedule 40 Metallic Pipe cubic feet per hour Length Pipe Size (inches) 1/2 3/4 1 1 1/4

Pipe Sizing Table - Propane Gas Inlet Pressure: 11.0 inches W.C. Pressure Drop: 0.5 inches W.C. Specic Gravity: 1.50 Schedule 40 Metallic Pipe Capacity in Thousands of BTU per Hour20 Value Series Manual Connect Electricity Do not rely on the gas or water piping to ground the water heater. A screw is provided in the juncon box for the grounding connecon. The water heater requires 120 VAC, 60 Hz power from a properly grounded circuit. If using the 5 foot long power cord, plug it into a standard 3 prong 120 VAC, 60 Hz properly grounded wall outlet. On outdoor models, a disconnect switch must be provided and installed for the incoming 120 VAC power. It should be a type that is suitable for outdoor use. Check the Naonal Electrical Code, ANSI/NFPA 70 and your local codes for a proper switch type to use in your area. The wiring diagram is located on the Technical Sheet aached to the inside of the front cover. WARNING Do not use an extension cord or an adapter plug with this appliance. The water heater must be electrically grounded in accordance with local codes and ordinances or, in the absence of local codes, in accordance with the Naonal Electrical Code, ANSI/NFPA 70. Indoor water heaters are equipped with a three- prong (grounding) plug for your protecon against shock hazard and should be plugged directly into a properly grounded three-prong receptacle. Do not cut or remove the grounding terminal from this plug. Checklist for Gas and Electricity □ A manual gas control valve is placed in the gas line to the water heater. □ Check the gas lines and connecons for leaks. □ Conrm that the gas inlet pressure is within limits. □ Conrm that the water heater is rated for the gas type supplied. □ Conrm that the electricity is supplied from 120 VAC, 60 Hz power source and is in a properly grounded circuit. □ An extension cord or an adapter plug has not been used with the water heater. Adjust for High Altude In DIPSW 1, set SW 2 and SW 3 to the values shown in table below for your altude. The default seng for the appliance is 0-2000 (0-610 m) with SW 2 and SW 3 in the OFF posion. When the DIP switch is adjusted, it is not necessary to adjust the gas pressure seng for high altude. Altude SW 2 in DIPSW 1 SW 3 in DIPSW 1 0-2000 (0-610 m) OFF OFF 2001-5200 (610-1585 m) OFF ON 5201-7700 (1585-2347 m) ON OFF 7701-10200 (2347-3109 m) ON ON Adjust for Vent Length (indoor models only) Adjust SW 1 in DIPSW 1 if required. Refer to the secon “Maximum vent length”. REMOTE CONTROL CONNECTION TERMINALS

REMOTE CONTROL CABLE

CABLE CLAMP CABLE CLAMP SWITCH 120V Wiring Blue or Black Wire: Hot Leg Brown or White Wire: Neutral GROUND CONNECTION SCREW DIPSW 1 DIPSW 2Value Series Manual 21 Installaon of Temperature Controller Controller Locaon Cable Lengths and Sizes The controller should be out of reach of small children. Avoid locaons where the controller may become hot (near the oven or radiant heater). Avoid locaons in direct sunlight. The digital display may be dicult to read in direct sunlight. Avoid locaons where the temperature controller could be splashed with liquids. Do not install in locaons where it can be adjusted by the public. Indoor models have their controller built into the front panel. Addional controllers can be installed. The cable for the temperature controller should be a non-polarized two-core cable with a minimum gauge of 22 AWG. The maximum cable length from each controller to the water heater depends on the total number of wired controllers connected to the water heater. Number of Wired Controllers Maximum Cable Length for each Controller to Water Heater 1 328 (100 m) 2 164 (50 m) 3 or 4* 65 (20 m) Turn the power o. Do not aempt to connect the temperature controllers with the power on. Although the controller is a low voltage device, there is 120 volt potenal next to the temperature controller connecons inside the unit. Do not connect the temperature controller to the 120VAC terminals provided for the oponal solenoid drain valves. WARNING Conguraons A maximum of 4 temperature controllers can be installed for a water heater or bank of water heaters. This includes the controller built into an indoor water heater. Controllers can only be wired in parallel. Controllers cannot be wired in series. The 4 temperature controllers can consist of mulple MC-91-2 or MCC-91-2 but only one BC-100V and only one MC-100V. (MC-91-1 should not be installed on a unit that already has an MC-91-2 connected.) The clock funcon on the BC-100V will only be available if an MC-100V is also connected. If 4 MC-91-2’s are installed, simultaneously press the Priority and On/O buons on the fourth controller unl a beep sounds. Wire controllers in parallel Maximum 4 Controllers Rinnai Water Heater

• Only 3 addional controllers can be wired to the indoor water heater.22 Value Series Manual Mounng the controller

1. Make three holes in the wall as shown.

2. Run the cable between the controller and the

water heater or the controller and another controller.

3. Remove the face plate from the temperature

controller using a screwdriver.

4. Connect the cable to the temperature controller.

5. Mount the controller to the wall using the holes

6. Disconnect the power from the water heater.

7. Remove the plasc cover from the PCB and

electrical connecons.

8. Thread the cable through the access hole at the

base of the unit and connect the wires to the controller terminals on the right hand side boom of the PCB.

the cover of the water heater. Outline of Remote securing screw 1-21/32" 3-5/16" securing screw wiring hole

REMOTE CONTROL CABLE CABLE CLAMP REMOTE CONTROL CABLE DIPSW 1 DIPSW 2Value Series Manual 23 Final Checklist □ The water heater is not subject to corrosive compounds in the air. □ The water supply does not contain chemicals or exceeds total hardness that will damage the heat exchanger. □ Clearances from the water heater unit are met. □ Clearances from the vent terminaon / air intake are met. □ For indoor models, ensure you have used the correct venng products for the model installed and that you have completely followed the venng manufacturer’s installaon instrucons and these installaon instrucons. □ For indoor models, verify that the vent system does not exceed the maximum length for the number of elbows used. □ For indoor models verify that SW 1 in DIPSW 1 has been adjusted for vent length if necessary. Refer to the secon on Maximum Vent Length. □ For indoor models, verify that the vent pipe has a downward slope or grade to the outside of 1/4 inch per foot (1.2°) OR if the vent pipe is sloped toward the water heater (as some local codes require), that a condensate collector is installed to allow condensaon to drain away from the water heater to a proper drain source. □ For indoor models, verify that condensate will not be allowed to drain back into the water heater. □ Purge the water line of all debris and air by closing the hot isolaon valve and opening the cold isolaon valve and its drain. Debris will damage the water heater. Use a bucket or hose if necessary. □ Ensure that hot and cold water lines are not crossed to the unit and are leak free. □ Clean the inlet water lter by closing the cold and hot water inlet isolaon (shut-o) valves. Put a bucket under the lter at the boom of the water heater to catch any water that is contained inside the unit. Unscrew the water lter. Rinse the lter to remove any debris. Install the lter and open the isolaon valves. □ Ensure that a pressure relief valve is installed with a rang that exceeds the BTU input of the water heater model. Refer to the rang plate on the side of the water heater for BTU input. □ A manual gas control valve has been placed in the gas line to the water heater. □ Check the gas lines and connecons for leaks. □ Conrm that the gas inlet pressure is within limits. □ Conrm that the water heater is rated for the gas type supplied. □ Conrm that the electricity is supplied from a 120 VAC, 60 Hz power source, is in a properly grounded circuit, and turned on. □ Verify the temperature controller is funconing properly. □ Verify that SW 2 and SW 3 in DIPSW 1 is set correctly for your altude. □ Verify the system is funconing correctly by connecng your manometer to the gas pressure test port on the water heater. Operate all gas appliances in the home or facility at high re. The inlet gas pressure at the water heater must not drop below that listed on the rang plate. □ DO NOT introduce toxic chemicals such as those used for boiler water treatment to the potable water used for space heang. □ If the water heater is not needed for immediate use, then drain the water from the heat exchanger. □ Install the front panel. □ Explain to the customer the importance of not blocking the vent terminaon or air intake. □ Explain to the customer the operaon of the water heater, safety guidelines, maintenance, and warranty. □ The installaon must conform with local codes or, in the absence of local codes, with the Naonal Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installaon Code, CSA B149.1. If installed in a manufactured home, the installaon must conform with the Manufactured Home Construcon and Safety Standard, Title 24 CFR, Part 3280 and/or CAN/SCA Z240 MH Series, Mobile Homes. □ Inform the consumer if the isolaon valves are not installed or if a water soening system is not installed. □ Leave the enre manual taped to the water heater (indoor models), temperature controller (outdoor models), or give the enre manual directly to the consumer.24 Value Series Manual Technical Data Specicaons

• Minimum ow may vary slightly depending on the temperature seng and the inlet water temperature. Minimum acvaon ow is 0.4 GPM (1.5 L/min). Our products are connually being updated and improved; therefore, specicaons are subject to change without prior noce. The maximum inlet gas pressure must not exceed the value specied by the manufacturer. The minimum value listed is for the purpose of input adjustment. V65i V75i V94Xi V94i V65e V75e V94e Minimum Gas Consumpon Btu/h 10,300 Maximum Gas Consumpon Btu/h 150,000 180,000 192,000 199,000 150,000 180,000 199,000 Hot water capacity (Min - Max) * 0.26 - 6.6 GPM (1.0 - 25.0 L/min) 0.26 - 7.5 GPM(1.0 - 28.5 L/min) 0.26 - 9.8 GPM(1.0 - 37.0 L/min) 0.26 - 9.8 GPM(1.0 - 37.0 L/min) 0.26 - 6.6 GPM (1.0 - 25.0 L/min) 0.26 - 7.5 GPM(1.0 - 28.5 L/min) 0.26 - 9.8 GPM(1.0 - 37.0 L/min) Temperature Seng (no controller) 120° F (49° C) or 140° F (60° C) Maximum Temp Seng (residenal) Selectable at 120° F (49° C) or at 140° F (60° C) Minimum Temperature Seng 98° F (37° C) Weight

(19.8 kg) 44.3 lb (20.1 kg) Noise level 49 dB (excluding start up or shutdown) Electrical Data Normal 76 W 76 W 97 W 97 W 57 W 57 W 65 W Standby 2 W An-frost Protecon 120 W 104 W Max Current 4 A Fuse 10 A By-Pass Control Fixed Fixed Electronic Electronic Fixed Fixed Electronic Gas Supply Pressure Natural Gas 4.0 - 10.5 inch W.C. Propane 8.0 - 13.5 inch W.C. Type of Appliance Direct Vent, Tankless, Temperature controlled connuous ow gas hot water system Connecons Gas Supply: 3/4" MNPT, Cold Water Inlet: 3/4" MNPT, Hot Water Outlet: 3/4" MNPT Ignion System Direct Electronic Ignion Electric Connecons Appliance: AC 120 Volts, 60Hz. Temperature Controller: DC 12 Volts (Digital) Water Temperature Control Simulaon Feedforward and Feedback Water Supply Pressure Minimum Water Pressure: 20 PSI (Recommended 30-80 PSI for maximum performance) Maximum Water Supply Pressure 150 PSI Temperature Control Cable Non-Polarized Two Core Cable (Minimum 22 AWG) Cered for installaon in manufactured (mobile) homes Yes Complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission levels Yes Yes Yes No Yes Yes YesValue Series Manual 25

DIMENSION Inches (mm) DIMENSION Inches (mm) A (GAS) 1.31 (33.2) D 4.33 (110) A (COLD) 1.93 (49) E 2.91 (73.8) A (HOT) 1.35 (34.4) F 1.61 (40.8) B 3.96 (100.7) G 2.87 (73) C 1.17 (29.8)26 Value Series Manual Pressure Drop Curve Water Flow Curve Pressure Loss ( head) Water Flow (gpm) Pressure Loss (psi) Water Flow (gpm) delta T - Temperature Rise (°F) V75i/e V65i/e V94Xi V94i/e V75i/e V94i/e V94Xi V65i/eValue Series Manual 27 Ladder Diagram28 Value Series Manual Direct Vent Tankless Water Heater Operaon Instrucons Important Facts about your Water Heater Thank you for purchasing a Rinnai Tankless Water Heater. For proper operaon and safety, it is important to follow the instrucons and adhere to the safety precauons. Read all of the instrucons and the warranty thoroughly before operang this water heater. Keep this manual in a safe place. NOTICE: Rinnai somemes shares customer contact informaon with businesses that we believe provide products or services that may be useful to you. By providing this informaon, you agree that we can share your contact informaon for this purpose. If you prefer not to have your informaon shared with these businesses, please contact customer service and ask not to have your informaon shared. We will however, connue to contact you with informaon relevant to the product(s) you registered and/or you account with us. — Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or any other appliance. — WHAT TO DO IF YOU SMELL GAS Leave the premises. Do not try to light any appliance. Do not touch any electrical switch; do not use any phone in your building. Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instrucons. If you cannot reach your gas supplier, call the re department. — Installaon and service must be performed by a licensed professional. If the informaon in these instrucons is not followed exactly, a re or explosion may result causing property damage, personal injury or death. WARNING

A. This appliance does not have a pilot. It is equipped with an ignion device which automacally lights the burner. Do not try to light the burner by hand. B. BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the oor because some gas is heavier than air and will sele on the oor. WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance. Do not touch any electric switch; do not use any phone in your building. Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instrucons. If you cannot reach your gas supplier, call the re department. C. Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, do not try to repair it, call a qualied licensed professional. Force or aempted repair may result in a re or explosion. D. Do not use this appliance if any part has been under water. Immediately call a qualied licensed professional to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

TO TURN OFF GAS TO APPLIANCE

1. Turn o all electric power to the appliance using

2. Set the thermostat to lowest seng.

3. Locate the manual gas valve on the side of the

heater. Turn the manual valve clockwise to the full OFF posion. OPERATING INSTRUCTIONS

1. STOP! Read the safety informaon above.

2. Set the thermostat to lowest seng.

3. Turn o all electric power to the appliance using

4. This appliance is equipped with an ignion device

which automacally lights the burner. Do not try to light the burner by hand.

5. Locate the manual gas valve on the side of the

heater. Turn the manual valve clockwise to the full OFF posion.

6. Wait ve (5) minutes to clear out any gas. Then

smell for gas, including near the oor. If you smell gas, STOP! Follow “B” in the safety informaon above. If you don’t smell gas, go to the next step.

7. Turn the manual gas valve counterclockwise to the

8. Turn on all electric power to the appliance using

9. Set the thermostat to desired seng.

10. Open a hot water tap. If the appliance will not

operate, follow the instrucons “To Turn O Gas To Appliance” and call your licensed professional or gas supplier. See manual for addional informaon. CLOSE Manual Valve OPEN WARNING If you do not follow these instrucons exactly, a re or explosion may result causing property damage, personal injury or loss of life.30 Value Series Manual How to use the Temperature Controller The MC-91-2 controller is the standard temperature controller that is supplied with the water heater. On indoor models it is integrated into the front panel. The MCC-91-2 controller is for hydronic applicaons requiring higher temperatures. When the MCC-91-2 controller is connected, these higher temperatures are available on all controller models in the system. Refer to the secon on temperature ranges. DO NOT repeatedly operate the water heater and then use a hot water tap while the controller is turned o. Operang the water heater in this way to alternately produce hot water may cause water to condense on the outside of internal parts and accumulate in the water heater cabinet. Dimensions (inches): 3.5 W x 4.75 H x 0.75 D TemperatureDisplayPriorityIndicatorPriorityButtonON/OFFButtonIn UseIndicatorTemperatureSelectionMC-91-2US Before operang, smell all around the appliance area for gas. Be sure to smell next to the oor because some gas is heavier than air and will sele on the oor. Keep the area around the appliance clear and free from combusble materials, gasoline, and other ammable vapors and liquids. Always check the water temperature before entering a shower or bath. Do not use this appliance if any part has been under water. Immediately call a licensed professional to inspect the appliance and to replace any part of the control system and any gas control which has been under water. Should overheang occur or the gas supply fail to shut o, turn o the manual gas control valve to the appliance. Do not adjust the DIP switch unless specically instructed to do so. Do not use an extension cord or an adapter plug with this appliance. Any alteraon to the appliance or its controls can be dangerous and will void the warranty. If you install this water heater in an area that is known to have hard water or that causes scale build-up the water must be treated and/or the heat exchanger ushed regularly. Rinnai provides a “Scale Control System” that oers superior lime scale prevenon and corrosion control by feeding a blend of control compounds into the water supply. Damage and repair due to scale in the heat exchanger is not covered by warranty. Keep the air intake locaon free of chemicals such as chlorine or bleach that produce fumes. These fumes can damage components and reduce the life of your appliance. Damage and repair due to corrosive compounds in the air is not covered by warranty. WARNINGValue Series Manual 31 How to Set the Temperature While any hot water is being provided, the temperature seng can only be adjusted between 98° F and 110° F. NOTICE Check local codes for the maximum water temperature seng allowed when used in nursing homes, schools, day care centers, and all other public applicaons. NOTICE If a newly installed unit with a controller has not been powered for at least 6 hours then the temperature will return to the default seng of 104° F (40° C) if power is interrupted. NOTICE There may be a variaon between the temperature displayed on the temperature controller and the temperature at the tap due to weather condions or the length of pipe to the water heater. NOTICE

1. If the water heater is o, press

the Power buon to turn on.

2. If the Priority light is o, then

press the “Priority buon” on the temperature controller. The green Priority light will glow indicang that this controller is controlling the temperature and that the water heater is ready to supply hot water. (The priority can only be changed while no hot water is running.)

3. Press the up or down buons to

obtain the desired temperature seng. All hot water sources are able to provide water at this temperature seng unl it is changed again at this or another temperature controller. DANGER Water temperatures over 125° F (52° C) can cause severe burns or scalding resulng in death. Hot water can cause rst degree burns with exposure for as lile as: 3 seconds at 140° F (60° C) 20 seconds at 130° F (54° C) 8 minutes at 120° F (49° C) Children, disabled, or elderly are at highest risk of being scalded. Feel water before bathing or showering. This water heater requires a minimum ow rate to operate. This rate can be found on the specicaon page in this manual. In some cases when you are not geng hot water or if the water alternates between hot and cold, it is due to the water ow being below or close to the minimum ow rate. Increasing the ow rate should resolve these problems in these cases. If you are experiencing issues with higher temperature sengs, then reduce the temperature seng. Selecng a temperature closer to that which is actually used at the faucet will increase the amount of hot water being delivered to the faucet, due to less cold water mixing at the xture.32 Value Series Manual Seng Controller to Mute On the MC-91-2 to eliminate the beeps when keys are pressed or to turn the beeps back on, press and hold both the up and down buons unl a beep is heard (approximately 5 seconds). Locking the Controller The MC-91-2 controller can be locked by pressing the Priority buon and the up buon together for 5 seconds. A beep will sound conrming that the controller is locked. The display will alternately show “LOC”, the temperature seng, and a diagnosc code if one has been acvated. All of the controllers in the system are also locked. To unlock the controller press the Priority buon and the up buon together for 5 seconds. Temperature Opons Without a Temperature Controller The default temperature seng for this appliance installed without a temperature controller is 120° F (49° C). If desired, the temperature seng can be changed to 140° F (60° C) by adjustment of a switch. Set SW 5 in DIPSW 1 to ON to obtain 140° F water temperature seng. Set SW 5 in DIPSW 1 to OFF (default) to obtain 120° F water temperature seng. If a temperature controller is installed, then SW 5 has no eect on temperature sengs. Temperatures Available with a Controller The water heater can deliver water at only one temperature seng at a me. The available temperatures are provided below. A temperature lower than 98° F (37° C) can be obtained at the tap by mixing with cold water. To change the temperature scale from Celsius to Fahrenheit or vice versa, press and hold the “On/O” buon for 5 seconds while the water heater is OFF. These temperatures are suggesons only:

• Temperature sengs from 125-140°F (52-60 °C) are available by seng SW 6 in DIPSW 1 to ON. These models have a default maximum temperature of 120° F (49° C) and an opon (SW 6 in DIPSW 1) to increase the maximum temperature to 140 °F (60 °C). DO NOT adjust the other switches unless specically instructed to do so. WARNING Kitchen 120 °F (49° C) Shower 98 - 110 °F (37 - 43 °C) Bath Fill 102 - 110 °F (39 - 43 °C) Temperature Sengs Available (Fahrenheit °F) V75i/e, V65i/e

V94i/e, V94Xi 185** Celsius °C 37 38 39 40 41 42 43 46 49 52 54 57 60 66 71 85 ** These sengs require the MCC-91-2 controller. When the MCC-91-2 controller is connected, these higher temperatures are available on all controller models in the system. If an MCC-91-2 controller is used in a residenal dwelling for a hydronic applicaon, a mixing valve must also be installed to limit the potable hot water temperature to a safe temperature. Water temperatures over 125°F (52°C) can cause severe burns or scalding. Refer to the Danger Alert on water temperatures. Rinnai shall not, in any event, be liable for damages resulng from such misues or misapplicaon.Value Series Manual 33 To Display Diagnosc Informaon To display the most recent diagnosc codes press and hold the “On/O” buon for 2 seconds on the MC-91-2 controller. While holding the “On/O” buon press the up buon. The last 9 diagnosc codes will ash one aer the other. To exit this mode press the “On/O” and up buon as before. To enter or exit the maintenance monitor informaon mode press and hold the down buon for 2 seconds and without releasing it press the ON/OFF buon. To obtain the water ow rate press the up or down buons unl “01” displays. The water ow rate will then appear. For example “58” means 5.8 gal/min. To obtain the outgoing water temperature press the up or down buons unl “02” displays. The temperature will appear in degrees Fahrenheit. Diagnosc Codes This water heater is designed to display diagnosc codes. If there is a potenal operaon concern refer to the code and remedy on the next page. Data Unit No. Water ow rate 0.1 gal/min 01 Outgoing water temperature Degrees Fahrenheit 0234 Value Series Manual Diagnosc Codes and Remedies Some of the checks below should be done by a licensed professional. Consumers should never aempt any acon that they are not qualied to perform. WARNING Code Denion Remedy 03 Power interrupon during Bath Fill (Water will not ow when power returns). Turn o all hot water taps. Press ON/OFF twice. 10 Air Supply or Exhaust Blockage Check that nothing is blocking the ue inlet or exhaust. Check all vent components for proper connecons. licensed professional only Ensure approved venng materials are being used. Ensure vent length is within limits. Verify dip switches are set properly. Check fan for blockage. 11 No Ignion (heater not turning on) Check that the gas is turned on at the water heater, gas meter, or cylinder. If the system is propane, make sure that gas is in the tank. Ensure appliance is properly grounded. licensed professional only Ensure gas type and pressure is correct. Ensure gas line, meter, and/or regulator is sized properly. Bleed all air from gas lines. Verify dip switches are set properly. Ensure igniter is operaonal. Check igniter wiring harness for damage. Check gas solenoid valves for open or short circuits. Remove burner cover and ensure all burners are properly seated. Remove burner plate and inspect burner surface for condensaon or debris. Check the ground wire for the PC board. 12 No Flame Check that the gas is turned on at the water heater, gas meter, or cylinder. Check for obstrucons in the ue outlet. If the system is propane, make sure that gas is in the tank. licensed professional only Ensure gas line, meter, and/or regulator is sized properly. Ensure gas type and pressure is correct. Bleed all air from gas lines. Ensure proper venng material was installed. Ensure condensaon collar was installed properly. Ensure vent length is within limits. Verify dip switches are set properly. Check power supply for loose connecons. Check power supply for proper voltage and voltage drops. Ensure ame rod wire is connected. Check ame rod for carbon build-up. Disconnect and reconnect all wiring harnesses on unit and PC board. Check for DC shorts at components. Check gas solenoid valves for open or short circuits. Remove burner plate and inspect burner surface for condensaon or debris. 14 Thermal Fuse has acvated Check for restricons in air ow around unit and vent terminal. licensed professional only Ensure SW 5 in DIPSW 2 is in the o posion. Check gas type of unit and ensure it matches gas type being used. Check for low water ow in a circulang system causing short-cycling. Ensure dip switches are set to the proper posion. Check for foreign materials in combuson chamber and/or exhaust piping. Check heat exchanger for cracks and/or separaons. Check heat exchanger surface for hot spots which indicate blockage due to scale build-up. Refer to instrucons in manual for ushing heat exchanger. Hard water must be treated to prevent scale build up or damage to the heat exchanger. Measure resistance of safety circuit. Ensure high re and low re manifold pressure is correct. Check for improper conversion of product. 16 Over Temperature Warning (safety shutdown because unit is too hot) Check for restricons in air ow around unit and vent terminal. licensed professional only Check for low water ow in a circulang system causing short-cycling. Check for foreign materials in combuson chamber and/or exhaust piping. Check for blockage in the heat exchanger.Value Series Manual 35 Code Denion Remedy 19 Electrical Grounding licensed professional only Check all components for electrical short.

Outgoing Water Temperature Sensor Check sensor wiring for damage. Measure resistance of sensor. Clean sensor of scale build-up. Replace sensor.

Heat Exchanger Outgoing Temperature Sensor

Combuson Air Temperature Sensor Fault Check for restricons in air ow around unit and vent terminal. Check sensor wiring for damage. Measure resistance of sensor. Clean sensor of scale build-up. Ensure fan blade is ght on motor sha and is in good condion. Replace sensor.

Outside temperature thermistor Check sensor wiring for damage. Measure resistance of sensor. Clean sensor of scale build-up. Replace sensor.

Inlet water temperature thermistor

Modulang Solenoid Valve Signal Check modulang gas solenoid valve wiring harness for loose or damaged terminals. Measure resistance of valve coil. 61 Combuson Fan Ensure fan will turn freely. Check wiring harness to motor for damaged and/or loose connecons. Measure resistance of motor winding. 65 Water Flow Control The water ow control valve has failed to close during the bath ll funcon. Immediately turn o the water and disconnue the bath ll funcon. Contact a licensed professional to service the appliance. 70 PC Board Check PC board DIP switches for correct posion. Check the connecon harness at the connecon on the PC board. Replace PC board. 71 Solenoid Valve Circuit Replace the PC Board. 72 Flame Sensing Device Verify ame rod is touching ame when unit res. Check all wiring to ame rod. Remove ame rod and check for carbon build-up; clean with sand paper. Check inside burner chamber for any foreign material blocking ame at ame rod. Measure micro amp output of sensor circuit with ame present. Replace ame rod. 79 Water Leak Detected Water has been detected at the boom of the unit. Turn o water supply. Check all plumbing internally for leakage. LC # (LC0, LC1, LC2,…) Scale Build-up in Heat Exchanger (when checking maintenance code history, “00” is substuted for “LC”) LC0~LC9 indicates that there is scale build up in the heat exchanger and that the heat exchanger needs to be ushed to prevent damage. Refer to the ushing instrucons in the manual. Hard water must be treated to prevent scale build up or damage to the heat exchanger. To operate the water heater temporarily unl the heat exchanger can be ushed, push the On/O buon on the temperature controller 5 mes. Repeated LC codes will eventually lockout the water heater. Please call Rinnai technical department.

Maintenance has been performed Indicates a licensed professional performed maintenance or corrected an issue.

code Nothing happens when water ow is acvated. Clean inlet water supply lter. On new installaons ensure hot and cold water lines are not reversed. Verify you have at least the minimum ow rate required to re unit. licensed professional only Check for cold to hot cross over. Isolate circulang system if present. Turn o cold water to the unit, open pressure relief valve; if water connues to ow, there is bleed over in your plumbing. Verify turbine spins freely. Measure the resistance of the water ow control sensor. If the display is blank and clicking is coming from the unit, disconnect the water ow servo motor (GY, BR, O, W, P, BL, R). If the display comes on then replace the water ow servo motor.36 Value Series Manual The appliance must be inspected annually by a licensed professional. Repairs and maintenance should be performed by a licensed professional. The licensed professional must verify proper operaon aer servicing. Cleaning It is imperave that control compartments, burners, and circulang air passageways of the appliance be kept clean. Clean as follows:

1. Turn o and disconnect electrical power. Allow to

2. Close the water shut o valves. Remove and clean

the water inlet lter.

3. Remove the front panel by removing 4 screws.

4. Use pressurized air to remove dust from the main

burner, heat exchanger, and fan blades. Do not use a wet cloth or spray cleaners on the burner. Do not use volale substances such as benzene and thinners. They may ignite or fade the paint.

5. Use so dry cloth to wipe cabinet.

Vent System The vent system should be inspected at least annually for blockages or damage. If the vent is blocked contact a licensed professional. Motors Motors are permanently lubricated and do not need periodic lubricaon. However you must keep fan and motor free of dust and dirt by cleaning annually. Temperature Controller Use a so damp cloth to clean the temperature controller. Do not use solvents. Lime / Scale Build-up and Water Quality If you receive diagnosc code “LC#” (LC1, LC2,…), refer to the procedure, Flushing the Heat Exchanger. Refer to the secon on Water Quality to see if your water needs to be treated or condioned. (When checking maintenance code history, “00” is substuted for “LC#”.) The water must be potable, free of corrosive chemicals, sand, dirt, or other contaminates. It is up to the installer to ensure the water does not contain corrosive chemicals, or elements that can aect or damage the heat exchanger. Water that contains chemicals exceeding the levels in this manual may aect and damage the heat exchanger. Replacement of the heat exchanger due to water quality damage is not covered by the warranty. Snow Accumulaon Keep the area around ue terminal free of snow and ice. The appliance will not funcon properly if the intake air or exhaust is impeded (blocked or parally blocked) by obstrucons. Coastal Installaons Installaons located in or near coastal areas may require addional maintenance due to corrosive airborne ocean salt. Clean the water lter Clean the inlet water lter by closing the cold and hot water inlet isolaon (shut-o) valves. Put a bucket under the lter at the boom of the water heater to The following maintenance items are required for the proper operaon of your water heater. Required Maintenance To protect yourself from harm, before performing maintenance: Turn o the electrical power supply by unplugging the power cord or by turning o the electricity at the circuit breaker. (The temperature controller does not control the electrical power.) Turn o the gas at the manual gas valve, usually located immediately below the water heater. Turn o the incoming water supply. This can be done at the isolaon valve immediately below the water heater or by turning o the water supply to the building. WARNING Keep the appliance area clear and free from combusble materials, gasoline, and other ammable vapors and liquids. WARNING The appliance must be inspected annually by a licensed professional. Repairs and maintenance should be performed by a licensed professional. The licensed professional must verify proper operaon aer servicing.Value Series Manual 37 catch any water that is contained inside the unit. Unscrew the water lter. Rinse the lter to remove any debris. Install the lter and open the isolaon valves. Pressure Relief Valve: Operate the valve manually once a year. In doing so, it will be necessary to take precauons with regard to the discharge of potenally scalding hot water under pressure. Ensure discharge has a place to ow. Contact with your body or other property may cause damage or harm. Visual Inspecon of Flame Verify proper operaon aer servicing. The burner must ame evenly over the enre surface when operang correctly. The ame must burn with a clear, blue, stable ame. See the parts breakdown of the burner for the locaon of the view ports. The ame paern should be as shown in the gures below. Freeze Protecon Make sure that in case of freezing weather that the water heater and its water lines are adequately protected to prevent freezing. Damage due to freezing is not covered by the warranty. Refer to the secon on Freeze Protecon. drain down solenoid valves be purchased and installed that will automacally drain the unit if power is lost. These are available in a kit,

a surge protector with terminals be purchased and installed which allows the solenoid valves to operate if the unit is disabled due to a diagnosc code. This is available as 104000057. Winterizaon These recommendaons are intended to suggest pracces which are eecve for winterizing the water heater. They should be used as a guide only. No liability is assumed for any issues resulng from the use of this informaon. GAS Shut o the gas to the water heater. It is generally preferable to shut o the gas service to the enre locaon if gas is not going to be used. WATER Shut o the cold water supply to the water heater. It is generally preferable to shut o the water to the enre locaon if water is not going to be used. Drain the water heater by opening the drain valves on the cold water line and hot water line. Open several hot water taps and remove the lter assembly at the water inlet in order to allow room for expansion in case there is water in the lines that freeze. ELECTRIC Disconnect the power supply by either unplugging the electrical cord or by turning o the circuit breaker to the water heater to prevent potenal damage from irregular power surges or interrupons. VENT TERMINATION Place a cover over the vent terminaon (intake and exhaust) if it can be safely accessed. The cover should be easy to apply and remove. This will prevent debris, leaves, and small animals from entering the venng and water heater which could cause air ow issues upon return to service. Tesng the pressure relief valve should only be performed by a licensed professional. Water discharged from the pressure relief valve could cause severe burns instantly or death from scalds. WARNING38 Value Series Manual Water Heater Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck Valve Pressure RegulatorCirculating PumpSolenoid ValveBoiler Drain Valve KEY

n-lineFilterI Rinnai An LC0~LC9 or “00” diagnosc code indicates the unit is beginning to lime up and must be ushed. Failure to ush the appliance will cause damage to the heat exchanger. Damage caused by lime build-up is not covered by the unit’s warranty. Rinnai strongly recommends installaon of isolaon valves to allow for ushing of the heat exchanger.

1. Disconnect electrical power to the water heater.

2. Close the shuto valves on both the hot water and

cold water lines (V3 and V4).

3. Connect pump outlet hose (H1) to the cold water

line at service valve (V2).

4. Connect drain hose (H3) to service valve (V1).

5. Pour 4 gallons (15.1 liters) of undiluted virgin, food

grade, white vinegar into pail.

6. Place the drain hose (H3) and the hose (H2) to the

pump inlet into the cleaning soluon.

7. Open both service valves (V1 and V2) on the hot

water and cold water lines.

8. Operate the pump and allow the vinegar to circulate

through the water heater for at least 1 hour at a rate of 4 gallons per minute (15.1 liters per minute).

10. Rinse the vinegar from the water heater as follows:

a. Remove the free end of the drain hose (H3) from the pail. Place in sink or outside to drain. b. Close service valve, (V2), and open shuto valve, (V4). Do not open shuto valve, (V3). c. Allow water to ow through the water heater for 5 minutes. d. Close shuto valve (V4). When unit has nished draining remove the in-line lter at the cold water inlet and clean out any residue. Place lter back into unit and open valve (V4). e. Close service valve, (V1), and open shuto valve, (V3). Flushing the Heat Exchanger

water heater. Following ush procedure call technical assistance (1-800-621- 9419) for PCB reset informaon.Value Series Manual 39 If the water heater is not going to be used during a period of possible freezing weather, it is recommended that the water inside the water heater be drained. To manually drain the water:

1. Shut o cold water supply and gas supply.

2. Turn o the temperature controller.

3. Disconnect the power to the water heater.

4. Place a container to catch the water. Remove the drain caps on

both isolaon valves and open both valves above the caps (blue and red valve handles). -OR- Open the pressure relief valve.

5. Remove water lter to drain the cold water.

Manual Draining of the Water Heater To resume normal operaon:

1. Conrm that the gas supply is turned o, and that all taps are

2. Screw in the water lter in the cold water inlet.

3. Replace the drain caps and close both isolaon valves. -OR- Close

the pressure relief valve.

4. Open the cold water supply.

5. Open a tap and conrm that water ows, and then close.

6. Turn on the power.

7. Aer conrming that the temperature controller is o, turn on the

Running a low volume of water through the water heater to prevent freezing If the temperature exceeds the ability of the water heater to freeze protect itself, or if power is lost, the following steps may prevent the water heater and external piping from freezing. (Units connected with EZ Connect (2 unit link) should be drained to prevent freezing if not in use.)

1. Turn the water heater o.

2. Close the gas supply valve.

3. Turn on a hot water tap to ow water about 0.1 gal/min or where the stream

is about 0.2 inches thick. When the water heater or external piping has frozen

1. Do not operate the water heater if it or the external piping is frozen.

2. Close the gas and water valves and turn o the power.

3. Wait unl the water thaws. Check by opening the water supply valve.

4. Check the water heater and the piping for leaks.

about 0.2 inch thick To avoid burns, wait unl the equipment cools down before draining the water. The water in the appliance will remain hot aer it is turned o. WARNING Water lter Hot water outlet Cold water inlet40 Value Series Manual NOTICE BEFORE INSTALLATION This direct-vent appliance must be installed by a licensed professional. If you are not properly trained, you must not install this unit. IMPORTANT: In the State of Massachuses (248 CMR 4.00 & 5.00) For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residenal purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent terminaon is less than seven (7) feet above nished grade in the area of the venng, including but not limited to decks and porches, the following requirements shall be sased:

1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the me of installaon of the side wall horizontal vented gas

fueled equipment, the installing plumber or gaser shall observe that a hard wired carbon monoxide detector with an alarm and baery back-up is installed on the oor level where the gas equipment is to be installed. In addion, the installing plumber or gaser shall observe that a baery operated or hard wired carbon monoxide detector with an alarm is installed on each addional level of the dwelling, building or structure served by the side wall horizontal vented gas fueled equipment. It shall be the responsibility of the property owner to secure the services of qualied licensed professionals for the installaon of hard wired carbon monoxide detectors a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an ac, the hard wired carbon monoxide detector with alarm and baery back-up may be installed on the next adjacent oor level. b. In the event that the requirements of this subdivision can not be met at the me of compleon of installaon, the owner shall have a period of thirty (30) days to comply with the above requirements; provided, however, that during said thirty (30) day period, a baery operated carbon monoxide detector with an alarm shall be installed.

2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above

provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS cered.

3. SIGNAGE. A metal or plasc idencaon plate shall be permanently mounted to the exterior of the building at a

minimum height of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heang appliance or equipment. The sign shall read, in print size no less than one-half (1/2) inch in size, "GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS".

4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not

approve the installaon unless, upon inspecon, the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4. State RegulaonsValue Series Manual 41 Replacement Parts Tech Sheet Item No. Gas Control Assembly 100 Electrode / Flame Rod Kit 116, 117 Fan Assembly / Motor 125 Heat Exchanger 143 Water Flow Servo & Sensor 401 Bypass-Servo Assembly (94 Models Only)

Water Filter Assy 412 PC Board 700 Ignitor 706 Thermal Fuse Harness 725 Ignitor Thermal Fuse Harness Bypass-Servo Assembly Water Filter Assy PC Board Water Flow Servo & Sensor Fan Assembly / Motor Heat Exchanger Gas Control Assembly The Technical Sheet which is located inside the front cover of the water heater contains a complete illustrated parts list.

Models Only Electrode / Flame Rod Electrode: 1 Flame Rod: 2 This illustraon represents indoor model This illustraon represents indoor model42 Value Series Manual What is covered? This Limited Warranty covers any defects in materials or workmanship when the product is installed and operated according to Rinnai wrien installaon instrucons, subject to the terms within this Limited Warranty document. This Limited Warranty applies only to products that are installed correctly in the United States and Canada. Improper installaon may void this Limited Warranty. In order for this warranty to apply, it is required that you use a licensed professional who has aended a Rinnai installaon training class before installing this water heater. This Limited Warranty extends to the original purchaser and subsequent owners, but only while the product remains at the site of the original installaon. This Limited Warranty only extends through the rst installaon of the product and terminates if the product is moved or reinstalled at a new locaon. How long does coverage last? What will Rinnai do? Rinnai will repair or replace the covered product or any part or component that is defecve in materials or workmanship as set forth. Rinnai will pay reasonable labor charges associated with the repair or replacement of any such part or component. All repair parts must be genuine Rinnai parts. All repairs or replacements must be performed by an individual or servicing company that is properly trained, state qualied or licensed to do the type of repair. Replacement of the product may be authorized by Rinnai only. Rinnai does not authorize any person or company to assume for it any obligaon or liability in connecon with the replacement of the product. If Rinnai determines that repair of a product is not possible, Rinnai will replace the product with a comparable product at Rinnai’s discreon. The warranty claim for product parts and labor may be denied if a component or product returned to Rinnai is found to be free of defects in material or workmanship; damaged by improper installaon, use or operaon; or damaged during return shipping. How do I get service? You must contact a state qualied/licensed professional for the repair of a product under this Warranty. For the name of a licensed professional please contact your place of purchase, visit the Rinnai website (www.rinnai.us), call Rinnai at 1-800-621-9419 or write to Rinnai at 103 Internaonal Drive, Peachtree City, Georgia 30269. Limited Warranty Consumer Warranty [1] The warranty period is reduced to 3 years from date of purchase when the water heater is used as a circulang water heater within a hot water circulaon loop, where the water heater is in series with a circulaon system and all circulang water ows through the water heater, and where an on-demand recirculaon system is not incorporated. On-demand recirculaon is dened as a hot water recirculang loop or system that ulizes exisng hot and cold lines or a dedicated return line, and only acvates when hot water is used. It can be acvated by a push buon, moon sensor, or voice acvaon but not by a temperature sensor. A mer added to a standard recirculang pump is not considered as on-demand. [2] The air handler pump must be sized for the ow rate of the heat load, pressure losses through air handler coil, pressure losses though Rinnai tankless water heater, piping and components connecng the air handler and tankless unit. Refer to the tankless water heater pressure loss curve and consult with the air handler/component manufacture for pressure loss informaon. Item Period of Coverage (from date of purchase) Residenal Applicaons If installed with a tankless isolaon valve kit for residenal applicaons If used for both residenal water heang and space heang purposes Heat Exchanger 10 years [1] 12 years [1] 10 years [2] All Other Parts and Components 5 years [1] 5 years [1] 5 years [2] Reasonable Labor 1 year 1 year 1 yearValue Series Manual 43 Proof of purchase is required to obtain warranty service. You may register this product within 30 days of purchase or you may show proof of purchase with a dated sales receipt. To register your tankless water heater, please visit www.rinnai.us. For those without internet access, please call 1-800-621-9419 . Receipt of Registraon by Rinnai will constute proof-of-purchase for this product. However, Registraon is not necessary in order to validate this Warranty. What is not covered? This Warranty does not cover any failures or operang dicules due to the following: accident, abuse, or misuse alteraon of the product or any component part misapplicaon of this product improper installaon (such as but not limited to) product being installed in a corrosive environment condensate damage improper venng incorrect gas type incorrect gas or water pressure absence of a drain pan under the appliance Improper maintenance (such as but not limited to scale build-up, freeze damage, or vent blockage) incorrect sizing any other cause not due to defects in materials or workmanship problems or damage due to res, ooding, electrical surges, freezing or any acts of God. any damage caused by poor water quality operang the water heater with anything other than potable water at all mes force majeure There is no warranty coverage on product installed in a closed loop applicaon, commonly associated with space heang only applicaons. The integrated controller on indoor models has a 1 year warranty on parts. There is no warranty coverage for commercial applicaons. This Limited Warranty does not apply to any product whose serial number or manufacture date has been defaced. This Limited Warranty does not cover any product used in an application that uses chemically treated water such as a pool or spa heater. This appliance is suitable for filling large or whirlpool bath tubs with potable water. Refer to the Water Quality Section in the Operation and Installation Manual. Limitaon on warranes No one is authorized to make any other warranties on behalf of Rinnai America Corporation. Except as expressly provided herein, there are no other warranties, expressed or implied, including, but not limited to warranties of merchantability or fitness for a particular purpose, which extend beyond the description of the warranty herein and further Rinnai shall not be liable for indirect, incidental, special, consequential or other similar damages that may arise, including lost profits, damage to person or property, loss of use, inconvenience, or liability arising from improper installation, service or use. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation may not apply to you. Any implied warranties of merchantability and fitness arising under state law are limited in duration to the period of coverage provided by this Limited Warranty, unless the period provided by state law is less. Some states do not allow limitations on how long an implied Limited Warranty lasts, so the above limitation may not apply to you. This Limited Warranty gives you specific legal rights, and you may also have other rights which vary from state to state. www.rinnai.us/warranty44 Value Series Manual Chaue-eau d’intérieur sans réservoir à venlaon directe Manuel d'installaon et d'ulisaon LIRE TOUTES LES INSTRUCTIONS SOIGNEUSEMENT AVANT D’INSTALLER OU D’EXPLOITATION DE CETTE CHAUFFE-EAU. Ce manuel fournit des informaons sur l'installaon, l'exploitaon et l'entreen du chaue-eau. Pour la sécurité et le bon fonconnement, il est important de suivre les instrucons et de respecter les mesures de sécurité. Un professionnel autorisé doit installer le chaue-eau conformément aux instrucons exactes de sur pages 47-65. Le consommateur doit lire le manuel complet de fonconner correctement le chaue-eau et d'avoir eectué un entreen régulier.

SNOW TERMINATION Clearance in Ref. A also applies to anticipated snow line