CNS 200 Trend - Heating STIEBEL ELTRON - Free user manual and instructions

USER MANUAL CNS 200 Trend STIEBEL ELTRON

SPECIAL INFORMATION - Keep children under the age of3 away from the appliance if constant supervision cannot be guaranteed. - Children from the age of 3 to 7 may switch the appliance on and off, provided they are supervised or have been instructed in the safe operation of the appliance and understand any risks that may result. This is subject to the appliance having been installed as described. Children from the age of 3 to 7 must not plug the power cable into its socket or regulate the appliance. - The appliance may be used by children aged8 and older and persons with reduced physical, sensory or mental capabilities or a lack of ex- perience and know-how, provided that they are supervised or they have been instructed on how to use the appliance safely and have understood the potential risks. - Children must never play with the appliance. Children must never clean the appliance or perform user maintenance unless they are supervised. - Parts of the appliance can get very hot and may cause burns. Particular caution is ad- vised when children or vulnerable persons are present. - In order to avoid overheating, do not cover the heater. - Never install the appliance directly below a wall socket. - In the case of a permanent connection, the appliance must be able to be separated from the power supply by an isolator that discon- nects all poles with at least 3mm contact separation. SPECIAL INFORMATION OPERATION

1.4 Units of measurement 17

2.2 General safety instructions 18

4.2 Switching the appliance on and off 19

6. Cleaning, care and maintenance 22

8.1 General safety instructions 22

8.2 Instructions, standards and regulations 22

10.3 Installing the wall mounting bracket 23

10.6 Electrical connection 24

11. Commissioning 25

14.1 Dimensions and connections 26

14.2 Energy consumption data 26

General information ENGLISHwww.stiebel-eltron.com CNS Trend | CNS Trend U | 17 - The power cable must only be replaced (for example if damaged) by a qualified contrac- tor authorised by the manufacturer, using an original spare part. - Secure the appliance as described in chapter "Installation/ Installation". OPERATION

1. General information

The chapters "Special information" and "Operation" are intended for both users and qualified contractors.The chapter "Installation" is intended for qualified contractors. Note Read these instructions carefully before using the appli-ance and retain them for future reference.Pass on the instructions to a new user if required.

1.1 Safety instructions

1.1.1 Structure of safety instructions

KEYWORD Type of riskHere, possible consequences are listed that may result from failure to observe the safety instructions.f Steps to prevent the risk are listed.1.1.2 Symbols, type of riskSymbol Type of risk

Burns(burns, scalding) 1.1.3 KeywordsKEYWORD Meaning DANGER Failure to observe this information will result in serious injury or death. WARNING Failure to observe this information may result in serious injury or death.CAUTION Failure to observe this information may result in non-seri-ous or minor injury.

1.2 Other symbols in this documentation

Note General information is identified by the adjacent symbol.f Read these texts carefully.Symbol Meaning

Material losses(appliance damage, consequential losses and environmen-tal pollution)

Appliance disposal f This symbol indicates that you have to do something. The ac-tion you need to take is described step by step.

Never cover the appliance

1.4 Units of measurement

Note All measurements are given in mm unless stated oth-erwise.

This appliance is designed to heat living areas.The appliance is intended for domestic use. It can be used safely by untrained persons. The appliance can also be used in a non-do-mestic environment, e.g. in a small business, as long as it is used in the same way.Any other use beyond that described shall be deemed inappro-priate. Observation of these instructions and of the instructions for any accessories used is also part of the correct use of this appliance.OPERATION Appliance description 18 | CNS Trend | CNS Trend U www.stiebel-eltron.com

2.2 General safety instructions

WARNING Injury - Keep children under the age of3 away from the appliance if constant supervision cannot be guar-anteed. - Children from the age of 3 to 7 may switch the ap-pliance on and off, provided they are supervised or have been instructed in the safe operation of the appliance and understand any risks that may result. This is subject to the appliance having been installed as described. Children from the age of 3 to 7 must not plug the power cable into its socket or regulate the appliance. - The appliance may be used by children aged8 and older and persons with reduced physical, sensory or mental capabilities or a lack of experience and know-how, provided that they are supervised or they have been instructed on how to use the appli-ance safely and have understood the potential risks. - Children must never play with the appliance. Chil-dren must never clean the appliance or perform user maintenance unless they are supervised.

WARNING InjuryIn closed rooms, temperatures can rapidly reach high values. Ensure constant supervision if the appliance is operated in a small room and the persons within that room cannot regulate the appliance or leave the room on their own. WARNING BurnsNever operate this appliance... - if the distance from adjacent objects or other flam-mable materials would be less than the minimum permissible distance. - in rooms where it is at risk of fire or explosion as a result of chemicals, dust, gases or vapours. Venti-late the room sufficiently before heating. - in the direct proximity of pipes or receptacles that carry or contain flammable or explosive materials. - if an appliance component is damaged, the appli-ance has fallen over or there is a fault. WARNING Burns - Never place any flammable, combustible or insulat-ing objects or materials on the appliance or in direct proximity to it. - Ensure that the air intake and discharge are never blocked. - Never place any objects between the appliance and the wall. WARNING BurnsThe appliance is unsuitable for use as a floorstanding appliance. Only ever operate this appliance when mount- ed on the wall mounting bracket supplied (see chapter "Installation/ Installation"). CAUTION BurnsParts of the appliance can get very hot and may cause burns. Particular caution is advised when children or vulnerable persons are present. WARNING OverheatingIn order to avoid overheating, do not cover the heater.

Material losses - Ensure that the power cable is not touching the ap-pliance. - Never stand on the appliance. - Never operate the appliance in the open air.

See type plate on the appliance.

3. Appliance description

The appliance is a wall mounted electric direct heater.The appliance is suitable for use as a standalone heating system, or can be used in spring and autumn and as a booster heater in smaller rooms.The air inside the appliance is heated by a heating element and expelled via natural convection through the air discharge at the top. Cool indoor air is drawn in through the air intake on the underside of the appliance.When the set room temperature is reached, it is maintained by periodic heating.

The programming unit is located at the top right of the appliance. D0000068106

"Standby" key Switch on the programming unit; Put programming unit and heating appliance into standby mode

"OK" button Selection; Confirm settings

"Menu" key Call up and exit menu

If no user action occurs for 20seconds, the backlight switches off. Press any button to switch the background lighting on again. Symbols Symbol DescriptionTime display: Indication of the current time or a programmed start time

Timer mode: The appliance heats in accordance with the enabled time pro-gram.

Comfort mode: The appliance maintains the set comfort temperature. Standard setting: 21.0°C. Use this setting for comfortable room temperatures when someone is present.

Setback mode: The appliance maintains the set setback temperature. Standard setting: 18.0°C. Use this setting e.g. at night or when absent for several hours.

Frost protection: The frost protection symbol is displayed if the set room tempera-ture is set to 7.0°C. Use this setting to protect an unused room from frost damage.

Adaptive start: In timer mode, the heating appliance switching times are adjust-ed to ensure that, at the programmed start time, the respective set room temperature is already reached. Conditions: The "adaptive start" function is enabled (see chapter "Settings/ Standard menu").Symbol Description

Window open detection: To avoid unnecessary energy consumption while venting, the appliance automatically switches to frost protection mode for one hour when a window is open. The "window open detection" symbol flashes. After venting, frost protection mode can be termi-nated manually by pressing "+". The appliance then heats to the set room temperature again. Conditions: Window open detection is enabled (see chapter "Set-tings/ Standard menu").

User interface lock: To lock or unlock the user interface, press and hold "+" and "–" simultaneously for 5seconds. Heating enabled: The appliance is heating to maintain the set room temperature.

External input (FP): CNSTrendU series appliances can be connected to an external control unit. Depending on the setting of the control unit, the appliance heats in comfort, setback or frost protection mode at specific times of the day. Days of the week: 1=Monday, 2=Tuesday … 7=Sunday

4.2 Switching the appliance on and off

Note For a short time after initial start-up and after longer breaks in use, a smell may develop. The appliance is ready for operation as soon as it has been fixed to the wall and plugged into the mains. f Switch the appliance on or off using the ON/OFF switch on the right-hand side of the appliance. f Switch the appliance off when not in use for longer periods (e.g. during the summer months). All settings remain intact after switching off or after an interrup- tion to the power supply. This appliance is equipped with a power reserve that ensures the day of the week and the time are saved for several hours. Note If the appliance was in timer mode before being switched off for a longer period of time, you will be prompted to set the day and time after switching it on. Until this setting is made, the appliance will operate in comfort mode.

D0000072134 The default display is continuously displayed. If no user action is performed for longer than 20seconds while in the menu, the appliance automatically switches to the default display. The default display shows the current set room temperature as well as the "Editable parameter" symbol. You can use "+" and "–" to change the set room temperature. If the set room temperature corresponds to one of the values set for the comfort or setback temperature, the symbol for the corresponding operating mode (comfort mode, setback mode) appears in the menu bar. The set room temperature can also be changed manually when in timer mode. The changed set room temperature is maintained until the next programmed switching point is reached.

Select day of the week and time

Select comfort temperature The comfort temperature must be set at least 0.5°C higher than the setback temperature.

Switch "Window open detection" function on and off

Switch "Adaptive start" function on and off

To change the setting of a menu item, call it up by pressing "+" and "–". Press the "OK" button. As soon as the "Editable parameter" symbol appears, you can change the setting of the menu item with "+" and "–". Press "OK" to save the setting. To exit the standard menu, briefly press "Menu". The standard display appears.

The following actual values can be called up: Display Description Unit I1 Actual room temperature [°C] | [°F] I2 Relative heating time (The counter can be reset via parameter P5.) [h] Note The counter for relative heating time(I2) counts in com- plete hours how long the appliance heats for. When the appliance is switched off, any heating phase of less than 60minutes is not recorded.

There are three time programs available for using the appliance in timer mode. Time programs Pro1 and Pro2 are factory-set. Time program Pro3 can be set according to your individual re- quirements. Display Description Pro1 Time program "Daily" - Repeated: Monday to Sunday Pro2 Time program "Weekdays" - Repeated: Monday to Friday Pro3 Time program "User defined" - up to 14comfort phases, freely configurable Note To use timer mode, select the required time program in the standard menu (see chapter "Settings/ Standard menu"). Note Ensure the day of the week and the time are set correctly when setting the time programs.OPERATION Settings ENGLISH www.stiebel-eltron.com CNS Trend | CNS Trend U | 21 Note The following applies to all time programs (Pro1, Pro2, Pro3): If the end time is later than 23:59h, the end time will automatically be moved to the next day of the week. The comfort phase is maintained past midnight and will end on the next day at the set end time. Time programs Pro1 and Pro2 You can specify the comfort mode start and end times with time programsPro1 and Pro2. During this time period, the appliance heats to the set comfort temperature. Outside this specified time period, the appliance operates in setback mode. This results in a comfort and a setback phase that are repeated daily(Pro1) or every weekday(Pro2). Theses phases are factory-set as follows: - 08:00 h - 22:00 h: Comfort mode - 22:00 h - 08:00 h: Setback mode Note When time programPro2 is enabled, the appliance op- erates exclusively in setback mode during the weekend. To adapt time programsPro1 and Pro2 according to your needs, proceed as follows: f In the configuration menu, use "+" and "–" to call up the re- quired time program. f Press the "OK" button. The start time for comfort mode is displayed. f Use "+" and "–" to set the required start time. f Press the "OK" button. The end time for comfort mode is displayed. f Use "+" and "–" to set the required end time. f Press "OK" to save. Time program Pro3 You can use time programPro3 to specify up to 14 separate com- fort phases which are repeated weekly. To configure a comfort phase in time programPro3: f In the configuration menu, use "+" and "–" to call up time programPro3. f Press the "OK" button. The display shows "3---". f Press the "OK" button. A day of the week or a group of days is displayed. f Use "+" and "–" to select the required day or group of days. f Press the "OK" button. The start time for comfort mode is displayed. f Use "+" and "–" to set the required start time. f Press the "OK" button. The end time for comfort mode is displayed. f Use "+" and "–" to set the required end time. f Press the "OK" button. Comfort phase "3-01" has been configured. f To configure a further comfort phase, use "+" and "–" in time programPro3 to select display"3---". Proceed as describe above. Note To reset the selected comfort phases, activate parame- terP4. f Please note that activating parameterP4 resets all time programs (Pro1, Pro2, Pro3) to the factory set- ting.

You can call up the following parameters: Display Description Options P1 Room temperature offset ±3°C | ±5°F P2 Time format 12h | 24h P3 Temperature display units °C | °F P4 Reset time programs (timer mode). on | off P5 Reset relative heating time on | off To change the value of a parameter, use "+" and "–" to call up the relevant parameter. Press the "OK" button. As soon as the "Editable parameter" symbol appears, you can change the parameter value with "+" and "–". Press "OK" to save the selected value. P1: Room temperature offset Uneven temperature distribution in the room can result in a differ- ence between displayed actual temperatureI1 and the room tem- perature you measure yourself. To compensate for this difference, a room temperature offset of ±3°C can be set via parameterP1. Example: The appliance indicates I1=21.0°C. You have measured a room temperature of 20.0°C. There is a difference of 1.0°C. f To compensate for the difference, select an offset of P1=-1.0. P2: Time format ParameterP2 is used to specify whether to display the time in 12 hour or 24 hour format. P3: Temperature display units ParameterP3 is used to specify whether the room temperature is displayed in degrees Centigrade [°C] or in degrees Fahrenheit [°F]. P4: Reset time programs Activating parameterP4 resets all time programs to the factory setting. P5: Reset relative heating time Activating parameterP5 resets the counter for relative heating time (I2).22 | CNS Trend | CNS Trend U www.stiebel-eltron.com OPERATION | INSTALLATION Cleaning, care and maintenance

6. Cleaning, care and maintenance

The appliance contains no user serviceable parts. Material losses - Never spray cleaning spray into the air slot. - Ensure that no moisture can enter the appliance. - If a pale brownish discolouration appears on the appliance casing, wipe it off with a damp cloth. - Clean the appliance when cold with ordinary cleaning prod-ucts. Avoid abrasive or corrosive cleaning products. Note We recommend having the control components checked as part of regular maintenance.f Have a qualified contractor check the safety and control components no more than 10years after commissioning.

Problem Cause RemedyRoom does not get warm enough. Ap-pliance does not get hot. Temperature set too low on the appliance. Check the selected room temperature. Adjust if nec-essary.

No power supply. Check position of the ON/OFF switch, RCD and fuse/MCB in your fuse box.Room does not get warm enough al-though the appliance is hot.Overheating. High limit safety cut-out limits heating output. Eliminate the cause (dirt or obstructions at the air inlet or outlet). Observe minimum clearances.

The heat demand of the room is higher than ap-pliance output.Remove heat losses (Close windows and doors. Avoid constant venting.)Room gets too hot. Temperature set too high on the appliance. Check the selected room temperature. Adjust if nec-essary.

Detected room tempera-ture does not match actu-al room temperature.Avoid obstructions to air change between appliance and indoor air.Window open de-tection does not respond.

Appliance does not detect a pronounced tempera-ture drop due to venting. (Window open detection requires previously sta-ble room temperature.)Wait a while after making settings on the appliance, until the room temperature has fully stabilised.

Avoid obstructions to air change between appliance and indoor air.

Manually switch the appli-ance into standby mode for the duration of venting.

Window open detection is not enabled. Switch on window open detection in the standard menu.Problem Cause Remedy"Adaptive start" func-tion does not work as required.This function is only ef-fective in timer mode. Use the timer mode for opti-mised heating convenience.

Severely fluctuating room temperature or the appli-ance learning procedure has not been completed.Wait a few days for behav-iour to stabilise.

“Adaptive start” function is not enabled. Switch on the "Adaptive start" function in the stand-ard menu.Appliance is in "FP" program but does not respond to external input.When the appliance does not detect a signal at the external input, it heats in comfort mode.Check external control unit and its settings. Wiring must be installed correctly and with correct polarity."Err" or "E..." is dis-played.Internal fault detected. Notify the qualified con-tractor.If you cannot remedy the fault, contact your qualified contractor. To facilitate and speed up your request, provide the number from the type plate (000000-0000-000000). INSTALLATION

Only a qualified contractor should carry out installation, commis-sioning, maintenance and repair of the appliance.

8.1 General safety instructions

We guarantee trouble-free function and operational reliability only if original accessories and spare parts intended for the appliance are used. CAUTION Burns - Only mount the appliance on a vertical wall that is temperature-resistant to at least 85°C. - Maintain the minimum clearances to adjacent ob-jects.

Material losses - Never install the appliance directly below a wall socket. - Ensure that the power cable is not in contact with any appliance components.

8.2 Instructions, standards and regulations

Note Observe all applicable national and regional regulations and instructions.INSTALLATION Appliance description ENGLISH www.stiebel-eltron.com CNS Trend | CNS Trend U | 23

The following are delivered with the appliance: - Wall mounting bracket (hooked into the appliance)

Installation in bathrooms WARNING Electrocution When installing the appliance in rooms with a bath and/ or shower, the appliance may only be connected to a standard socket outside safety zones 0, 1 and 2. The socket must be at least 600mm away from a bath or shower. If in doubt, consult a qualified contractor.

D0000097137 Electrical safety zones in the bathroom

10.2 Minimum clearances

≥150≥100≥100 ≥100 ≥500≥20D0000068096

10.3 Installing the wall mounting bracket

The appliance is intended for wall mounting using the wall mount- ing bracket supplied. The appliance may only be installed hori- zontally. Note - The wall mounting bracket can be used as a tem- plate for wall mounting. This ensures sufficient clearance from the floor. - Use a spirit level if the floor is uneven or sloping. aaa D0000072159

≥224 ≥224D0000072312 f Unhook the wall mounting bracket from the appliance. f Place the centred wall mounting bracket horizontally on the floor. Mark holes1 and 2. f Lift up the wall mounting bracket so that its lower holes match up with the markings you have just made on the in- stallation wall. f Mark holes3 and 4 on the installation wall. f Drill the holes at the 4markings. f Secure the wall mounting bracket with suitable fixing ma- terials (screws, rawl plugs). With the vertical slots, you can compensate for an offset fixing hole.INSTALLATION Installation 24 | CNS Trend | CNS Trend U www.stiebel-eltron.com

10.4 Appliance installation

1 Wall mounting bracket f Hook the appliance onto the bottom tabs of the wall mount- ing bracket by the slots in the back of the appliance. f Place the appliance in an upright position. f Secure the appliance by pushing it towards the wall until it audibly snaps into place in the two upper springs on the wall mounting bracket. D0000072158

1 Appliance 2 Locking screw f Secure the appliance against unintentional release using the supplied locking screw on the left-hand side of the wall mounting bracket.

10.5 Removing the appliance

f Undo and remove the locking screw from the wall mounting bracket. f To release the appliance, push down the springs at the top of the wall mounting bracket. f Tilt the appliance away from the wall and lift it off the bottom tabs on the wall mounting bracket.

10.6 Electrical connection

WARNING Electrocution Carry out all electrical connection and installation work in accordance with national and regional regulations. WARNING Electrocution - In the case of a permanent connection, the appli- ance must be able to be separated from the power supply by an isolator that disconnects all poles with at least 3mm contact separation. - Do not install the appliance with a fixed power cable. Note - Observe the type plate. The specified voltage must match the mains voltage. - Ensure the on-site supply cable has an adequate cross-section. Note In a non-domestic environment and in case of particu- larly high demands on the appliance, such as permanent continuous operation, we recommend installing the ap- pliance as a permanent connection with a junction box. Only an authorised electrician is allowed to make the permanent connection to a junction box. WARNING Electrocution - Provide appropriate strain relief when making the connection to a junction box. - Ensure that the appliance is connected to the earth conductor. - Seal the trimmed cable ends again correctly with wire ferrules.

10.6.1 CNS Trend series

The appliance is delivered fully wired. The following electrical connections are permissible: CNS 50-300 Trend Connection to a freely accessible standard socket with matching plug

Permanent connection to an appliance junction box with earth conductor

- If connecting the appliance via a socket, ensure that this is easily accessible once the appliance has been installed. - If connecting the appliance permanently, trim the power cable so that it leads directly to the appliance connection socket. Ensure that, after trimming the power cable, the appliance can still be removed from the wall without a problem.INSTALLATION Commissioning ENGLISH www.stiebel-eltron.com CNS Trend | CNS Trend U | 25

10.6.2 CNS Trend U series

The appliance is delivered with a power cable without a plug. f When wiring the appliance in permanently, connect the 4-core cable to a connection socket as illustrated:

D0000068123 1 Neutral conductor = blue 2 Live = brown 3 Earth conductor = green/yellow 4 Control cable = black There are 3 possible ways to connect the appliance: - Appliance connection without control cable Unregulated appliance. The control cable is not connected. In this case, insulate the control cable. - Temperature setback via control cable To reduce the temperature to the set setback temperature, the black control cable is activated via an external electronic contact (e.g. a time switch). - Control cable connected to external control unit The appliance can be connected to any control unit that issues the following waveforms as control signals. Instruction Oscilloscope Operating mode Heating temper- ature No electrical power Comfort mode Subject to set comfort temperature Complete oscil- lation 230 V Setback mode Subject to set setback temperature Semi-oscillation negative -115V Frost protection Frost protection tem- perature Semi-oscillation positive +115V Stop None Full oscillation 230V for 3sec- onds Comfort mode -1°C 1°C less than the set comfort temperature Full oscillation 230V for 7sec- onds Comfort mode -2°C 2°C less than the set comfort temperature

The appliance is ready for operation as soon as it has been fixed to the installation wall and plugged into the mains. f Remove the protective film from the programming unit.

The power cable must only be replaced (for example if damaged) by a qualified contractor authorised by the manufacturer, using an original spare part.

13. Appliance handover

Explain the functions of the appliance to the user. Draw special attention to the safety instructions. Hand over the operating and installation instructions to the user.INSTALLATION Specication 26 | CNS Trend | CNS Trend U www.stiebel-eltron.com

14.1 Dimensions and connections

14.2 Energy consumption data

The product data complies with EU regulations relating to the Directive on the ecodesign of energy related products (ErP). Product information on electric individual room heaters to regulation (EU) 2015/1188 CNS 50 Trend (U) CNS 75 Trend (U) CNS 100 Trend (U) CNS 150 Trend (U) CNS 200 Trend (U) CNS 250 Trend (U) CNS 300 Trend (U) CNS Trend CNS Trend U

- - - - - - - Room temperature control with mechanical thermostat - - - - - - - With electronic room temperature control - - - - - - - Electronic room temperature control and time of day control - - - - - - - Electronic room temperature control and day of week control x x x x x x x Other control options Room temperature control with presence detection - - - - - - - Room temperature control with window open detection x x x x x x x With remote control option - - - - - - - With adaptive control of heating start x x x x x x x With operating time limitation - - - - - - - With black bulb sensor - - - - - - -ENGLISH www.stiebel-eltron.com CNS Trend | CNS Trend U | 27

% 39 39 39 39 39 39 39 Dimensions Height mm 450 450 450 450 450 450 450 Width mm 348 426 426 582 738 894 1050 Depth mm 100 100 100 100 100 100 100 Weights Weight kg 4.0 4.6 4.6 6.0 7.7 9.2 10.9 Versions Frost protection setting °C 7 7 7 7 7 7 7 Version Wall mounted appliance Wall mounted appliance Wall mounted appliance Wall mounted appliance Wall mounted appliance Wall mounted appliance Wall mounted appliance IP rating IP24 IP24 IP24 IP24 IP24 IP24 IP24 Protection class I I I I I I I Colour Alpine white Alpine white Alpine white Alpine white Alpine white Alpine white Alpine white Values Setting range °C 5-30 5-30 5-30 5-30 5-30 5-30 5-30 Guarantee The guarantee conditions of our German companies do not apply to appliances acquired outside of Germany. In countries where our subsidiaries sell our products a guarantee can only be issued by those subsidiaries. Such guarantee is only grant

(IP) IP24 IP24 IP24 IP24 IP24 IP24 IP24 I I I I I I I