WHADC1216H6E5C - Air Conditioning PANASONIC - Free user manual and instructions

USER MANUAL WHADC1216H6E5C PANASONIC

Operating Instructions Air-to-Water Hydromodule + Tank Manufactured by: Panasonic AVC Networks Czech, s.r.o. U Panasoniku 1, 320 84 Plzeň , Czech Republic Model No. Indoor Unit

5.5 Buffer tank connection

5.7 Alternative outdoor sensor

5.10 Solar connection

Cleaning instructions ......................................................25 Troubleshooting .........................................................26-27 Information .................................................................28-29 Thank you for purchasing Panasonic product. Before operating the system, please read these operating instructions thoroughly and keep them for future reference. Installation Instructions attached. Serial number and production year please refer to name plate.Before use, make sure the system has been installed correctly by an authorised dealer according to the given instructions.

• Panasonic Air-to-Water is a split system, consisting of two units: indoor and outdoor units. The indoor unit consist of the hydromodule and 200L sanitary water tank.

• These operating instructions describe how to operate the system using the indoor and outdoor units.

• As for the operation of other products such as radiator, external thermo controller, and underfl oor units, refer to the operating instructions of each product.

• System could be locked to operate in HEAT mode and disable COOL mode.

• Some functions described in this manual may not be applicable to your system.

• Must use water that complies with European water quality standard 98/83 EC. The lifespan of the Tank Unit will be shorter if groundwater (include spring water and well water) is used.

• The Tank Unit shall not be used with the tap water containing contaminants such as salt, acid, and other impurities which may corrode the tank and its component.

• Consult your nearest authorised dealer for further information.

The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.

Only displayed when COOL mode is unlocked (This means when COOL mode is available)

Operating conditions WH-UD series WH-UX series

COOLING(CIRCUIT)HEATING (TANK)HEATING (CIRCUIT)HEATING (TANK)HEATING (CIRCUIT)Water outlet temperature (°C) (Min. / Max.)- / 65 * 20 / 55 - / 65 * 20 / 55 (Below Ambient -15 °C) * 20 / 60 (Above Ambient -10 °C) * 5 / 20Outdoor ambient temperature (°C)(Min. / Max.)-20 / 35 -28 / 35 16 / 43 When the outdoor temperature is out of the range in the table, the heating capacity will drop signifi cantly and the outdoor unit may stop operating for its protection. The unit will restart automatically after the outdoor temperature returns to the specifi ed range.

Above 55 °C, only possible with backup heater operation.

Between outdoor ambient -10 °C and -15 °C, the water outlet temperature gradually decreases from 60 °C to 55 °C.

System overview Radiator Shower Fan Coil Unit Floor Heating Outdoor Unit Solar Panel Power Supply The illustrations in this manual are for explanation purposes only and may differ from the actual unit. They are subject to change without notice for future improvement. Note: Not recommended to open the Front Plate. (For authorised dealer/specialist use only) Indoor Unit Front Plate Remote Controller4 Safety precautions To prevent personal injury, injury to others or property damage, please comply with the following: Incorrect operation due to failure to follow instructions below may cause harm or damage, the seriousness of which is classifi ed as below: This appliances is not intended for accessibility by the general public. WARNING This sign warns of death or serious injury. CAUTION This sign warns of injury or damage to property. The instructions to be followed are classifi ed by the following symbols: This symbol denotes an action that is PROHIBITED. These symbols denote actions COMPULSORY. WARNING Indoor unit and outdoor unit This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision. Please consult an authorised dealer or specialist to clean the internal parts, repair, install, remove, disassemble and reinstall the unit. Improper installation and handling will cause leakage, electric shock or fi re. Confi rm with authorised dealer or specialist on usage of any specifi ed refrigerant type. Using refrigerant type other than the specifi ed may cause product damage, burst and injury etc. Do not use means to accelerate the defrosting process or to clean, other than those recommended by manufacturer. Any unfi t method or using incompatible material may cause product damage, burst and serious injury. Do not install the unit in a potentially explosive or fl ammable atmosphere. Failure to do so could result in fi re.5 Do not insert your fi ngers or other objects into the Air to water indoor or outdoor unit, rotating parts may cause injury. Do not touch the outdoor unit during lightning, it may cause electric shock. Do not sit or step on the unit, you may fall down accidentally. Do not install the indoor unit outdoors. This is designed for indoor installation only. Power supply Do not use a modifi ed cord, joint cord, extension cord or unspecifi ed cord to prevent overheating and fi re. To prevent overheating, fi re or electric shock:

• Do not share the same power outlet with other equipment.

• Do not operate with wet hands.

• Do not over bend the power supply cord. If the supply cord is damaged, it must be replaced by the manufacturer, service agent or similarly qualifi ed persons in order to avoid a hazard. This unit is equipped with Residual Current Circuit Breaker/Earth Leakage Circuit Breaker (RCCB/ ELCB). Ask an authorised dealer to check RCCB/ELCB operation regularly, especially after installation, inspection, and maintenance. RCCB/ ELCB malfunction may result in electric shock and/or fi re. It is strongly recommended that Install Residual Current Device (RCD) on-site to prevent electric shock and/ or fi re. Before obtaining access to terminals, all supply circuits must be disconnected. Stop using the product if any abnormality/failure occurs and disconnect the power supply. (Risk of smoke/fi re/electric shock) Examples of abnormality/failure

• RCCB/ELCB trips frequently.

• Burning smell is observed.

• Abnormal noise or vibration of the unit is observed.

• Hot water leaks from the indoor unit. Contact your local dealer immediately for maintenance/repair. Wear gloves during inspection and maintenance. This equipment must be earthed to prevent electrical shock or fi re. Prevent electric shock by switching off the power supply: -Before cleaning or servicing, -When extended non-use. This appliance is for multiple uses. To avoid electric shock, burn and/or fatal injury, make sure to disconnect all power supplies before accessing any terminal in the indoor unit.

Safety precautions6 Safety precautions CAUTION Indoor unit and outdoor unit Do not wash the indoor unit with water, benzine, thinner or scouring powder to avoid damage or corrosion at the unit. Do not install the unit close to any combustibles or at bathroom. Otherwise, it may cause electric shock and/or fi re. Do not touch the sharp aluminium fi n, sharp parts may cause injury. Do not use the system during sterilisation in order to prevent scalding with hot water, or overheating of shower. Do not dismantle the unit for cleaning purpose to avoid injury. Do not step onto an unstable bench when cleaning the unit to avoid injury. Do not place a vase or water container on the unit. Water may enter the unit and degrade the insulation. This may cause an electric shock. Prevent water leakage by ensuring drainage pipe is: -Connected properly, -Kept clear of gutters and containers,

-Not immersed in water After a long period of use or use with any combustible equipment, aerate the room regularly. After a long period of use, make sure the installation rack does not deteriorate to prevent the unit from falling down. Remote Controller Do not wet the Remote Controller. Failure to do so may result in electric shock and/or fi re. Do not press the buttons on the Remote Controller using hard and sharp objects. Failure to do so may cause damage to the unit. Do not wash the Remote Controller using water, benzine, thinner or scouring powder. Do not inspect or maintain the Remote Controller by yourself. Consult an authorised dealer in order to prevent personal injury caused by incorrect operation.7 Remote Controller buttons and display Buttons / Indicator

Quick Menu button (For more details, refer to the separate Quick Menu Guide.)

ON/OFF button Starts/Stops operation

Operation indicator Illuminates during operation, blinks during alarm. Press centre No glove No pen

• Depending on the preset outdoor temperature, the system selects HEAT or *

COOL • COOL operation is either turned ON or OFF.

• The outdoor unit provides cooling to the system.

• Depending on the preset outdoor temperature, the system selects HEAT + TANK or *

• The outdoor unit provides cooling to the system.

• The outdoor unit provides heating when boiling tank. HEAT

• HEAT operation is either turned ON or OFF.

• The outdoor unit provides heat to the system. TANK

• TANK operation is either turned ON or OFF.

• The outdoor unit provides heat to the water tank. HEAT + TANK

• The outdoor unit provides heat to the water tank and the system.

• This mode can be selected only when the water tank is installed.

• The direction icons point to the currently active mode.

• Room operation / Tank operation.

Operation icons The status of operation is displayed. Icon will not display (under operation OFF screen) whenever operation is OFF except weekly timer. Holiday operation status Weekly Timer operation status Quiet operation status Zone: Room Thermostat

The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.

Only displayed when COOL mode is unlocked (This means when COOL mode is available).

Initialization Before starting to install the various menu settings, please initiate the Remote Controller by selecting the language of operation and installing the date and time correctly. When power is turned on for the fi rst time, it becomes the setting screen automatically. It can also be set from personal setting of the menu. Selecting the language LCD blinking Wait while the display is initializing. When initializing screen ends, it turns to normal screen. When any button is pressed, language setting screen appears.

Scroll with and to select the language.

Press to confi rm the selection. Setting the clock

Select with or how to display the time, either 24h or am/pm format (for example, 15:00 or 3:00 pm).

Press to confi rm the selection.

Use and to select year, month, day, hour and minutes. (Select and move with and press to confi rm.)

Once the time is set, time and day will appear on the display even if the Remote Controller is turned OFF. 3 Temperature of each zone 4 Time and day 5 Water Tank temperature 6 Outdoor temperature 7 Sensor type/Set temperature type icons Water Temperature

• Compensation curve Water Temperature

Remote Controller buttons and display / Initialization10 Menus For user Select menus and determine settings according to the system available in the household. All initial settings must be done by an authorised dealer or a specialist. It is recommended that all alterations of the initial settings are also done by an authorised dealer or a specialist.

• After initial installation, you may manually adjust the settings.

• The initial setting remains active until the user changes it.

• The Remote Controller can be used for multiple installations.

• Ensure the operation indicator is OFF before setting.

• The system may not work properly if set wrongly. Please consult an authorised dealer. To display <Main Menu>: To select menu: To confi rm the selected content: After the initial settings have been completed, you can select a quick menu from the following options and edit the setting.

Weekly timer Once the weekly timer is set up, User can edit from Quick Menu. To set up to 6 patterns of operation on a daily basis.

• Disabled if Heat-Cool SW is select “Yes” or if Force Heater is on. Timer setup Select day of the week and set the patterns needed (Time / Operation ON/OFF / Mode) Timer copy Select day of the week11 Menu Default Setting Setting Options / Display

Holiday timer To save energy, a holiday period may be set to either turn OFF the system or lower the temperature during the period. OFF

Holiday start and end. Date and time OFF or lowered temperature

• Weekly timer setting may be temporarily disabled during Holiday timer setting but it will be restored once the Holiday timer is completed.

Quiet timer To operate quietly during the preset period. 6 patterns may be set. Level 0 means the mode is off. Time to start Quiet : Date and time Level of quietness: 0 ~ 3

Room heater To set the room heater ON or OFF. OFF

Tank heater To set the tank heater ON or OFF. OFF

• Do not use the system during sterilization in order to prevent scalding with hot water, or overheating of shower.

• Ask an authorised dealer to determine the level of sterilization function fi eld settings according to the local laws and regulations.

• Standard mode have faster DHW Tank heat up time. Meanwhile Smart mode take longer time to heat up DHW time with lower energy consumption. Standard To set the tank sensor to Top or Center.

• Selection of the tank sensor to top slow down the start of boiling up the tank and reduce power consumption. Please change this selection to “Center” when the hot water becomes insuffi cient. Top Menus For user

Energy monitor Present or historical chart of energy consumption, generation or COP. Present Select and retrieve Historical chart Select and retrieve

• COP= Coeffi cient of Performance.

• For historical chart, the period is selected from 1 day/1 week/1year.

• Energy consumption (kWh) of heating, *

cooling, tank and total may be retrieved.

• The total power consumption is an estimated value based on AC 230 V and may differ from value measured by precise equipment.

System information Shows all system information in each area. Actual system information of 10 items: Inlet / Outlet / Zone 1 / Zone 2 / Tank / Buffer tank / Solar / Pool / COMP frequency / Pump fl owrate Select and retrieve

• The most recent error code is displayed at the top. Select and retrieve

Compressor Shows the compressor performance. Select and retrieve

Heater Total hours of ON time for Room heater/Tank heater. Select and retrieve 3 Personal setup

The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.

Backlight Sets the duration of screen backlight. 1 min

Backlight intensity Sets screen backlight brightness.

Clock format Sets the type of clock display. 24h

Date & Time Sets the present date and time. Year / Month / Day / Hour / Min

• For Greek, please refer to the English version.

Unlock password 4 digit password for all the settings.

Optional PCB connectivity To connect to the external PCB required for servicing.

• If the external PCB is connected (optional), the system will have following additional functions:

Buffer tank connection and control over its function and temperature.

Control over 2 zones (including the swimming pool and the function to heat water in it).

Solar function (the solar thermal panels connected to either the DHW (Domestic Hot Water) Tank or the Buffer Tank.

• DHW is not applicable for WH-ADC *models.

External compressor switch.

Zone & Sensor To select the sensors and to select either 1 zone or 2 zone system. Zone

• After selecting 1 or 2 zone system, proceed to the selection of room or swimming pool.

• If the swimming pool is selected, the temperature must be selected for T temperature between 0°C ~ 10 °C. Sensor

• For room thermostat, there is a further selection of external or internal.

• Options of kW vary depending on the model.

Anti freezing To activate or deactivate the water freeze prevention when the system is OFF Yes15 Menu Default Setting Setting Options / Display

Buffer tank connection To connect tank to the system and if selected YES, to set T temperature.

Yes 5 °C Set T for Buffer Tank

• Type A - The base pan heater activates only during deice operation.

• Type B -The base pan heater activates when outdoor ambient temperature is 5 °C or lower.

Alternative outdoor sensor To select an alternative outdoor sensor.

• This selection only display to select when optional pcb connection set to Yes. Auto

Menus16 Menus For installer Menu Default Setting Setting Options / Display To select a bivalent connection to allow an additional heat source such as a boiler to heat- up the buffer tank and domestic hot water tank when heatpump capacity is insuffi cient at low outdoor temperature. The bivalent feature can be set-up either in alternative mode (heatpump and boiler operate alternately), or in parallel mode (both heatpump and boiler operate simultaneously), or in advance parallel mode (heatpump operates and boiler turns on for buffer-tank and/or domestic hot water depending on the control pattern setting options). Yes Auto -5 °C Set outdoor temperature for turn ON Bivalent connection. Yes After selecting the outdoor temperature Control pattern Alternative / Parallel / Advanced parallel

• Select advanced parallel for bivalent use of the tanks. Control pattern Alternative OFF Option to set external pump either ON or OFF during bivalent operation. Set to ON if system is simple bivalent connection. Control pattern Advanced parallel Heat Selection of the tank

• “Heat” implies Buffer Tank and “DHW” implies Domestic Hot Water Tank. Control pattern Advanced parallel Heat Yes

• Buffer Tank is activated only after selecting “Yes”. -8 °C Set the temperature threshold to start the bivalent heat source. 0:30 Delay timer to start the bivalent heat source (in hour and minutes). -2 °C Set the temperature threshold to stop the bivalent heat source.17 Menu Default Setting Setting Options / Display 0:30 Delay timer to stop the bivalent heat source (in hour and minutes). Control pattern Advanced parallel DHW Yes

• DHW Tank is activated only after selecting “Yes”. 0:30 Delay timer to start the bivalent heat source (in hour and minutes). SG ready input control for bivalent system follow below input condition. Yes SG ready OFF Option to set external pump either ON or OFF during bivalent operation. Set to ON if system is simple bivalent connection. SG signal Operation pattern Vcc-bit1 Vcc-bit2 Open Open Heat Pump OFF, Boiler OFF Short Open Heat Pump ON, Boiler OFF Open Short Heat Pump OFF, Boiler ON Short Short Heat Pump ON, Boiler ON

• DHW is not applicable for WH-ADC *models.

Yes Buffer tank Selection of the tank Yes After selecting the tank 10 °C Set T ON temperature

Menus18 Menus For installer Menu Default Setting Setting Options / Display Yes After selecting the tank T ON temperature 5 °C Set T OFF temperature Yes After selecting the tank T ON temperature T OFF temperature 5 °C Set Antifreeze temperature Yes After selecting the tank T ON temperature T OFF temperature After setting the antifreeze temperature 80 °C Set Hi limit

Yes 120 % Capacity (1) & (2) of DHW (in %), Heat (in %) and Cool (in °C)

Circulation liquid To select whether to circulate water or glycol in the system. Water19

The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.

Only displayed when COOL mode is unlocked (This means when COOL mode is available). Menu Default Setting Setting Options / Display

Force heater To turn on Force heater either manually (by default) or automatically. Manual

Defrost signal To turn on defrost signal to stop fan coil during defrost operation. (If defrost signal set to yes, bivalent function will not available to use)

6 Installer setup Operation setup To access to the four major functions or modes. 4 main modes Heat / *

Heat To set various water & ambient temperatures for heating. Water temp. for heating ON / Outdoor temp. for heating OFF / T for heating ON / Heater ON/OFF Water temp. for heating ON Compensation curve Heating ON temperatures in compensation curve or direct input.

3. WH-UH model & Back up heater is disabled: 35 °C ~ 65 °C

4. WH-UX model: 20 °C ~ 60 °C

• If 2 zone system is selected, the 4 temperature points must also be input for Zone

• “Zone 1” and “Zone 2” will not appear on the display if only 1 zone system. Water temp. for heating ON Direct 35 °C Temperature for heating ON

• Min. ~ Max. range is conditional as follows:

3. WH-UH model & Back up heater is disabled: 35 °C ~ 65 °C

4. WH-UX model: 20 °C ~ 60 °C

• If 2 zone system is selected, temperature set point must input for Zone 2.

• “Zone 1” and “Zone 2” will not appear on the display if only 1 zone system. Outdoor temp. for heating OFF 24 °C Temperature for heating OFF T for heating ON 5 °C Set T for heating ON.

• This setting will not available to set when pump fl owrate set to Max. duty. Heater ON/OFF Heater ON/OFF Outdoor temp. for heater ON 0 °C Temperature for heater ON21 Menu Default Setting Setting Options / Display Heater ON/OFF Delay time for heater ON 0:30 min Delay time for heater to turn on Heater ON/OFF Water temperature for heater ON -4 °C Setting of water temperature to turn on from water set temperature. Heater ON/OFF Water temperature for heater OFF -2 °C Setting of water temperature to turn off from water set temperature.

Cool To set various water & ambient temperatures for cooling. Water temperatures for cooling ON and T for cooling ON. Water temp. for cooling ON Compensation curve Cooling ON temperatures in compensation curve or direct input. Water temp. for cooling ON Compensation curve X axis: 20 °C, 30 °C Y axis: 15 °C, 10 °C Input the 4 temperature points (2 on horizontal X axis, 2 on vertical Y axis)

• If 2 zone system is selected, the 4 temperature points must also be input for Zone

• “Zone 1” and “Zone 2” will not appear on the display if only 1 zone system.

The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.

Only displayed when COOL mode is unlocked (This means when COOL mode is available).

• If 2 zone system is selected, temperature set point must input for Zone 2.

• “Zone 1” and “Zone 2” will not appear on the display if only 1 zone system. T for cooling ON 5 °C Set T for cooling ON

• This setting will not available to set when pump fl owrate set to Max. duty.

Auto Automatic switch from Heat to Cool or Cool to Heat. Outdoor temperatures for switching from Heat to Cool or Cool to Heat. Outdoor temp. for (Heat to Cool) / Outdoor temp. for (Cool to Heat) Outdoor temp. for (Heat to Cool) 15 °C Set outdoor temperature for switching from Heat to Cool. Outdoor temp. for (Cool to Heat) 10 °C Set outdoor temperature for switching from Cool to Heat.

Tank Setting functions for the tank. Floor operation time (max) / Tank heat up time (max) / Tank re-heat temp. / Sterilization

• The display will show 3 functions at a time. Floor operation time (max) 8:00 Maximum time for fl oor operation (in hours and minutes)

The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.

Only displayed when COOL mode is unlocked (This means when COOL mode is available).23 Menu Default Setting Setting Options / Display Tank heat up time (max) 1:00 Maximum time for heating the tank (in hours and minutes) Tank re-heat temp. -8 °C Set temperature to perform reboil of tank water. Sterilization Monday Sterilization may be set for 1 or more days of the week. Sun / Mon / Tue / Wed / Thu / Fri / Sat Sterilization: Time 12:00 Time of the selected day(s) of the week to sterilize the tank 0:00 ~ 23:59 Sterilization: Boiling temp. 65 °C Set boiling temperatures for sterilize the tank. Sterilization: Ope. time (max) 0:10 Set sterilizing time (in hours and minutes) 7 Installer setup Service setup

Pump maximum speed To set the maximum speed of the pump. Setting the fl ow rate, max. duty and operation ON/OFF of the pump. Flow rate: XX:X L/min Max. Duty: 0x40 ~ 0xFE, Pump: ON/OFF/Air Purge

Pump down To set the pump down operation. Pump down operation

Dry concrete To dry the concrete (fl oor, walls, etc.) during construction. Do not use this menu for any other purposes and in period other than during construction Edit to set the temperature of dry concrete. ON / Edit Edit Stages: 1 Temperature: 25 °C Heating temperature for drying the concrete. Select the desired stages: 1 ~ 10, range: 1 ~ 99

Confi rm the setting temperatures of dry concrete for each stage.

• In order to ensure optimal performance of the units, user may inspect and clear any obstruction on the air inlet and outlet vents of the outdoor unit.

• Users should not try to service or replace parts of the unit.

• Contact authorised dealer for scheduled inspection. Dealer
• In order to ensure safety and optimal performance of the units, seasonal inspections on the units, functional check of RCCB/ELCB, fi eld wiring and piping have to be carried out at regular intervals by authorised dealer.

• Specifi c to the Sanitary Water Tank, it is important to service the Water Filter Set periodically. Sanitary Water Tank Indoor unit

• Do not splash water directly. Wipe the unit gently with a soft dry cloth. To ensure optimal performance of the system, cleaning has to be carried out at regular intervals. Consult an authorised dealer.

• Disconnect the power supply before cleaning.

• Do not use benzine, thinner or scouring powder.

• Use only soap ( pH7) or neutral household detergent.

• Do not use water hotter than 40 °C. Water fi lter

• Clean the water fi lter at least once a year. Failure to do so may cause the fi lter to clog up, which may lead to system breakdown. Consult an authorised dealer.

• Please also remove dust on the magnet. Water Filter Set Outdoor unit

• Do not obstruct the air inlet and outlet vents. Failure to do so may result in low performance or system breakdown. Remove any obstruction to assure the ventilation.

• When it snows, clean and remove snow around the outdoor unit to prevent the air inlet and outlet vents from being covered with snow. For extended non-use

• The water inside the Sanitary Water Tank should be drained.

• Disconnect the power supply. Non serviceable criteria Disconnect the power supply then please consult an authorised dealer under the following conditions:

• Abnormal noise during operation.

• Water/foreign particles have entered the Remote Controller.

• Water leaks from the indoor unit.

• Circuit breaker switches off frequently.

• Power cord becomes excessively warm.

Water pressure gauge

• Do not press or hit the glass cover using hard and sharp objects. Failure to do so may cause damage to the unit.

• Ensure that the water pressure is between 0.05 and 0.3 MPa (0.1 MPa = 1 bar).

• In case the water pressure is out of the above range, consult an authorised dealer.

Cleaning instructions Menus / Cleaning instructions26 Troubleshooting The following symptoms do not indicate malfunction. Symptom Cause Water fl owing sound during operation. • Refrigerant fl ow inside the unit. Operation is delayed a few minutes after restarting.

• The delay is a protection for the compressor. Outdoor unit emits water/steam. • Condensation or evaporation occurring in the pipes. Steam comes out of the outdoor unit in the heating mode.

• It is caused by defrost operation in the heat exchanger. Outdoor unit does not operate. • It is caused by the protection control of the system when outdoor temperature is out of the operating range. System operation switches off. • It is caused by the protection control of the system. When the water inlet temperature is lower than 10 °C, the compressor stops and the backup heater power turns on. System is hard to heat up. • When the panel and the fl oor are heated simultaneously, warm water temperature may decrease, which may reduce the heating ability of the system.

• When the outdoor air temperature is low, the system may need longer time to heat up.

• Discharge outlet or intake inlet in the outdoor unit is blocked by some obstacle, such as a pile of snow.

• When the preset water outlet temperature is low, the system may need longer time to heat up. System does not heat up instantly. • System will take some time to heat up the water if it starts to operate at cold water temperature. Backup heater is automatically turned ON when it is disabled.

• It is caused by the protection control of the indoor unit heat exchanger. Operation starts automatically when the timer is not set.

• Sterilization timer has been set. Loud refrigerant noise continues for several minutes.

• It is caused by protection control during deice operation at outdoor ambient temperature lower than -10 °C.

COOL mode is unavailable. • System has locked to operate in HEAT mode only. Check the following before calling for servicing. Symptom Check Operation in HEAT/*

COOL mode is not working effi ciently.

• Set the temperature correctly.

• Close the panel heater/cooler valve.

• Clear any obstruction in the air inlet and air outlet vents of the outdoor unit. Noisy during operation. • Outdoor unit or indoor unit has been installed at an incline.

• Close the cover properly. System does not work. • Circuit breaker has tripped/activated. Operation LED is not lit or nothing is displayed on the Remote Controller.

• Power supply is working correctly, or a power failure has occurred.

The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.

• Some error code may not be applicable to your model. Consult authorised dealer for clarifi cation.

The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.

Only displayed when COOL mode is unlocked (This means when COOL mode is available).

Troubleshooting28 Information Information for Users on Collection and Disposal of Old Equipment This symbol on the products, packaging, and/or accompanying documents means that used electrical and electronic products must not be mixed with general household waste. For proper treatment, recovery and recycling of old products, please take them to applicable collection points in accordance with your national legislation. By disposing of these products correctly, you will help to save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappropriate waste handling. For more information about collection and recycling of old products, please contact your local municipality, your waste disposal service or the point of sale where you purchased the items. Penalties may be applicable for incorrect disposal of this waste, in accordance with national legislation. For business users in the European Union If you wish to discard electrical and electronic equipment, please contact your dealer or supplier for further information. [Information on Disposal in other Countries outside the European Union] These symbols are only valid in the European Union. If you wish to discard these items, please contact your local authorities or dealer and ask for the correct method of disposal. Information when connect to Network Adaptor (Optional Accessories Part) WARNING Before use, check the safety around the Air-to-Water system. Confi rm human and living objects at surrounding before operation. Incorrect operation due to failure to follow instructions may cause harm and damage. Confi rm the below before operation (inside premises) - Timer setting condition. Unpredictable on/off operation may cause serious injury or damage to human and living objects. Confi rm the below before and during operation (outside from premises) - If is known someone in the premises, notify the person from outside of new operation setting prior executing. This is to avoid sudden shock to the person and any serious health breakdown duly from operation changed. - Please do not use this appliance when infant, physical dissability person or elderly who unable to operate the appliance by themselves in the premises. - Check the setting and operation status frequently. - Stop the operation when error code is displayed and consult an authorised dealer or specialist. Please confi rm before use

• The system may not usable when communication condition is bad. Please check “Operation Status” from the application display after operation. The following condition may happen in the remote operation. - Cannot operate, operation time is not refl ected. - Air-to-Water operation is not refl ected when operation is set outside of premises.

• It is recommended to lock screen the smart phone device to prevent miss-operation.

• Do not use other remote control, communication and operation device not specifi ed by an authorised dealer or specialist.

• Use under the agreement of “Terms of Service” and “Handling of Personal Information” of Panasonic Smart Application.

• For extended non-use of Panasonic Smart Application, disconnect the network adaptor from the device.29 WARNING This symbol shows that this equipment uses a fl ammable refrigerant. If the refrigerant is leaked, together with an external ignition source, there is a possibility of ignition. This symbol shows that the Operation Instructions should be read carefully. This symbol shows that a service personnel should be handling this equipment with reference to the Installation Instructions. This symbol shows that there is information included in the Operation Instructions and/or Installation Instructions.

5.6 Res. band. condens.

5.5 Buffer tank connection

5.7 Alternative outdoor sensor

• COP = Coeffi cient de performance.

PÅ/AV-knapp Starter/stopper driften

Nedpumping For å stille inn “pumpe ned”- drift. Pumpe ned-drift

Zunanji signal napake.