Thermia User Manual – Diplomat Duo, Optimum, G2
Contents
1. F FLOW SEN An F indicates that a flow sensor is installed SOR O CLOCK Indicates that tariff control is active als TANK Indicates the level of hot water in the water heater When hot water is produced for the water heater this is li indicated by a flashing icon for the tank A lightning symbol by the symbol indicates peak heating charging anti legionella function o SQUARE Either indicates that the operating pressure switch has deployed or that the pressure pipe temperature has reached its maximum temperature ajs DEFROST Displayed when defrosting is active applies to Atria 12 User manual 086U6297 Rev 9 EN Symbol Meaning aha FAN Displayed when the fan is active applies to Atria d L Low speed H High speed COOLING Displayed if cooling is produced A Active cooling The following operating information may also appear Message Meaning ROOM Shows the set ROOM value Standard value 20 C If the accessory room sensor is installed it shows the actual temperature and the desired indoor temperature is shown within brackets START Indicates that there is a need for heat production or hot water and that the heat pump will start EVU STOP Indicates that the additional function EVU is active This means that the heat pump is off as long as EVU is active NO HEAT DEMAND Indicates that there is no heating or hot water produc tion demand2. Note Before changing the control computer s settings first find out what these changes mean Make a note of the default setting HEAT PUMP AUX HEATER HOT WATER Open the menu OPERAT in the INSTALLATION menu The asterisk shows the current selection Mark new mode using or button Press the right button once to confirm the choice 4 Press the left button twice The following operating modes can be selected Operating mode Meaning COFF The installation is fully switched off This mode is also used to acknowledge certain alarms AUTO The heat pump and the auxiliary heater are automati cally controlled by the control system HEAT PUMP The control system is controlled so that only the heat pump unit compressor is allowed to operate In this operating mode peak heating charging anti legionella function of the hot water will not run because the auxil iary heater is not used User manual 086U6297 Rev 9 EN 15 5 2 Operating mode Meaning ADD HEATER The control system only permits the auxiliary heater to be in operation HOT WATER In this mode the heat pump only produces hot water no heat goes to the heating system Caution If the operating mode OFF or HOT WATER is to be used for long periods during the winter the water in the heating system in the heating system must be drained otherwise there is a risk of frost damage Adjusting the indoor t
3. DEFROST X Y HEAT PUMP Indicates that there is a need for heat production or START XX hot water and that the heat pump will start in XX minutes HEAT PUMP Indicates that heat production is active with both com ADD HEAT pressor and auxiliary heater START_MIN Indicates that there is a demand for heating or hot water production but that a start delay is active ADD HEATER Indicates that there is an auxiliary heater demand COOLING Displayed if cooling is produced passively ACTIVE COOLING Displayed if cooling is active Displayed when defrosting is active X shows the actual reached temperature Y shows at which temper ature defrost is complete applies to Atria User manual 086U6297 Rev 9 EN 13 4 4 Main Menu The display s INFORMATION menu is used to set and adjust the heat pump functions and is opened by pressing the left or right buttons The menu has the following appearance Sub menus Return Cursor If an arrow is shown it indi cates that more sub menus are continued underneath DU a Press the and buttons to move the cursor between the sub menus Press the right button to select a sub menu Press the left button to go back in the menu 14 User manual 086U6297 Rev 9 EN 5 1 Settings and adjustments An authorized installer carries out the basic settings of the heat pump at installation A number of settings and adjustments that you can carry out yourself are described below
4. 3 About your heat pump The heat pump is a complete heat pump installation for heating and hot water Certain models have an integrated water heater Using the TWS Tap Water Stratificator technology more effective heat transfer and efficient layering of the water in the water heater is achieved The heat pump is equipped with control equipment which is operated via a control panel Heat enters the house via a water borne heating system The heat pump supplies as much of the heat demand as possible before auxili ary heating is engaged and assists The heat pump unit consists of five basic units Symbol explanation 1 Heat pump unit with compressor heat exchanger circulation pumps for brine and heating systems valves and safety equip ment 2 Water heater 3 Exchange valve or shunt valve that the heated water either passes through to the heating system or to the water heater depending on whether heating or hot water is to be produced 4 Auxiliary heater with an immersion heater installed on the heating system s supply line 5 Control equipment Outdoor and defroster function Applies to Atria Atria are equipped with an outdoor unit that uses air as a heat source down to 20 C The outdoor unit has a coil where brine recovers 6 User manual 086U6297 Rev 9 EN energy from the outside air During operation the coil is cooled by the energy exchange at the same time as the humidity causes it to become covered
5. CHECKS itt out octo tit oM ce debi edo tine Lindl SM E 21 6 1 Checking operations eui ARAM 21 6 2 Check the water level in the heating circuit 22 6 3 Check the brine circuit level 22 6 4 Chiecking safely ValV8s xri Coe et tenis is 23 6 5 In the eventiof leakage teretes ceo tete arent VT Eve A ae dd 24 6 6 Cleaning the strainers for the heating and brine circuits ssssseeessse 24 7 Default setting in the control computer ssssssessee m 26 Feferencesa cd ic 27 8 1 8 2 086U6297 Rev 9 EN 1 Foreword Buying a heat pump from Thermia is an investment in a better future A Thermia heat pump is classed as a renewable energy source which means that it is considerate of our environment It is a safe and con venient solution that provides heating hot water and in certain cases cooling for your home at a low cost We thank you for the confidence that you have shown in us by buying a heat pump from Thermia We hope that you will benefit from it for many many years to come With best wishes Thermia Varme AB User manual 086U6297 Rev 9 EN 3 2 1 Safety precautions DANGER The front of the heat pump must only be opened by authorised service technicians T Caution This product is not intended for persons including children with reduced physical sensory or psychological capacity or who do not have knowledge or experience unless supervised or they have received instruction
6. in frost Atria has an automatic function to defrost the coil using the produced heat energy If necessary a defrosting sequence starts which means the following The defrosting sequence starts when the temperature of the brine reaches its set parameter for defrosting e The compressor is stopped so that the defrosting sequence should not load the compressor unnecessarily But the compressor is not stopped when it produces hot water because the water heater is cooled when defrosting The fan on the outdoor unit is stopped in conjunction with defrosting to shorten the time of defrosting e The shunt valve in the heat pump opens so that hot brine from the defrosting tank is mixed with the cold brine circulating to the out door unit The mixture has a temperature of about 15 C e The fifteen degree heated brine melts the frost on the outside of the coil at the same time as the liquid is cooled e When the brine is no longer cooled to temperatures below 11 C the coil is sufficiently defrosted The shunt valve closes the flow of hot brine from the defrosting tank Operation returns to normal Speed rpm control Applies to certain heat pump models A heat pump requires optimum conditions in the heating system and brine circuit in order to be able to run as efficiently as possible The temperature difference between the heating system s supply line and return line must be constant between 7 10 C For the brine circuit a temp
7. or flatter which the curve becomes if the CURVE value changes instead the entire heat curve is moved by 3 C for every degree change of the ROOM value Note For a temporary increase or reduction of the indoor temperature adjust the ROOM value instead Change the ROOM value as follows 18 User manual 086U6297 Rev 9 EN 5 3 5 4 1 Press either the or button once to open and change the ROOM value 2 Raise or reduce the ROOM value using the or buttons to change the indoor temperature 3 Wait ten seconds or press the left button once to exit the menu Reading off temperatures The set point value for the supply line and the max value of the return line is shown within brackets The max value indicates the tempera ture at which the compressor is stopped No val ues can be changed in this menu The different temperatures that the installation has are shown here All temperatures are stored for 100 minutes back in time so that they can also be displayed in the form of graphs If ROOM shows 20 C the heat curve is unaffected If ROOM shows higher or lower this indicates that the heat curve has been adjusted up or down Reading the operating time 0H AUX HEAT 1 0H AUX HEAT 2 0H HOT WATER HEAT PUMP shows the total time in hours that the heat pump has been in operation since installation AUX HEAT 1 and 2 refer to the auxiliary heater power stage 3 kW and 6 kW HOT WATER is included in t
8. pump s compressor capacity the auxiliary heater engages automatically in operating mode AUTO The auxiliary heater is made up of an electric heating element on the supply line that has two outputs AUX HEAT 1 and AUX HEAT 2 and can be controlled in three steps Atria has three outputs AUX HEAT 1 AUX HEAT 2 and AUX HEAT 3 and output can be controlled in five steps Table 1 auxiliary heater output steps in kW Diplomat Duo Comfort Atria 230V 400V 230V 400V Step 1 1 5 3 1 5 3 Step 2 3 6 3 6 Step 3 4 5 9 4 5 9 Step 4 12 Step 5 15 Step 4 12 Step 5 15 The two power steps step 4 and step 5 for Atria cannot be activated when the compressor is running Auxiliary heater step 4 and 5 User manual 086U6297 Rev 9 EN 9 can be connected when the compressor is running and must only be selected on the condition that the building where the heat pump is installed has a large heating demand and the building s electric instal lation is suitable for high current consumption In the event of an alarm the auxiliary heater engages automatically on the condition that operating mode AUTO is selected and that at least one additional step is permitted 10 User manual 086U6297 Rev 9 EN 4 1 4 2 Control system The heat pump has an integrated control system which automatically calculates the heat demand in the house to ensure that the correct amount of heat is produced and emitted
9. Piping installation o Leak test o Bleeding o Open radiator valves o Function test safety valve Electrical Installation o Direction of rotation of the compressor o Outdoor sensor o Accesso M x E Brine installation o Type of brine ccoocccnccncnccncncnnoncnnnnncnnnononnnnncncncnnnnnnns o Filling number of lif 85 ice nates a Suis etd eee tetas o Leak test o Function test safety valve Control computer o Basic settings Test operation o Manual test carried out o Noise check Customer information o Control computer menus User manual o Checking and filling heating system o Alarm information o Function test safety valve o Strainers cleaning o Trimming information o Warranties User manual 086U6297 Rev 9 EN 27 8 2 Installation carried out by Piping installation Date ADN a la Compahy et TASAN Name undseeegpsisvenep rene aed TERNO s sa hades st aioaah a ERE Ia ed Electrical Installation Dal uibem leder eive iion ddd Licede ated ad COMPANY te Scie esla ete etd Names aia Md Tel Noz s ieu tes a dan ele ur ena Od System adjustment Date thes ite ahaa ceeds REA Gompahy L d amp uistebnedber eene eet Name tati Tel NO uut pice e E eto acte V Coe ads 28 User manual 086U6297 Rev 9 EN 086U6297 Rev 9 EN
10. User manual Atria Atria Duo Atria Duo Optimum Atria Optimum Comfort Diplomat Diplomat Duo Diplomat Duo Optimum Diplomat Duo Optimum G2 Diplomat Optimum Diplomat Optimum G2 Thermia 086U6297 Rev 9 EN Thermia Varme AB reserves the right to make changes to components and specifi cations without prior notice 2010 Thermia Varme AB The Swedish language is used for the orig inal instructions Other languages are a translation of the original instructions Directive 2006 42 EC Contents 1 RIKANO e EEA E RM A 3 2 Safety precautions eta tex e eet ete GMT des eed de A wee e dues 4 2 1 Installation and maintenant eree eoe ETEA aA EEREN 4 2 2 System modifications 2 3 Safety Va MEI 3 Aboutyour heat pur lcd dial 6 4 Control SM Ge ae edet tee a n eR T EE 11 4 1 KO aCe Bees usse ccu iui me ee e MEOS I M EUM 11 4 2 dica scott PO Ronin dese epis ET FREE ERE AE RES 11 4 3 Display o scenic hte ente ee races Posto eae ree eae Rice tea 12 4 4 VERTU 14 5 Settings and adjustments diii a a a aa aa aaas 15 5 1 Setting operating Ode aa ob e aee Ea ee as 15 5 2 Adjusting the indoor temperature ccccccceccccseccesseeeeeeeeseeeeeeeeeeaeeeeeaeeeesaeees 16 5 3 Reading off temMperatures occcooccccnocnccnncnnonocnnnncnnnnncnonnncnnoncnnnoncnnnnncnnnnaninonons 19 5 4 Readirigthe operatirig tirme roe eene e teer A a A Deua nit 19 5 5 Manual defrost Outdoor Unita ocio eter reca er vette t re v To vend ee tete 20 6 Recular
11. e a cloth to hand when opening the strainer cover as a small amount of water usually escapes H 1 Shut off tap L E de 2 Cover DIN ELO 3 Strainer 4 O ring Clean the strainers as follows 1 Switch off the heat pump 2 For the brine circuit strainer remove the insulation around the filler cock 3 Turn the shut off cocks to the closed position see figure above 4 Unscrew the cover and remove it 24 User manual 086U6297 Rev 9 EN Remove the strainer Rinse the strainer Reinstall the strainer Check that the o ring on the cover is not damaged Screw the cover back into place Turn the shut off cock to the open position For the brine circuit strainer reinstall the insulation around the filler cock Start the heat pump User manual 086U6297 Rev 9 EN 25 7 Default setting in the control computer The first column in the table below shows the parameters that can be adjusted by the User The second column shows settings made at the factory and the third column the settings made by the installation contractor in connection with installation of the heat pump Setting Factory setting Any customer specific settings ROOM 20 C OPERAT AUTO CURVE 40 C MIN 10 C MAX 55 C CURVE 5 0 C CURVE O 0 C CURVE 5 0 C HEAT STOP 17 C 26 User manual 086U6297 Rev 9 EN 8 References Check list Installed modelz tocada Setting up o Surface adjustment
12. emperature The indoor temperature is adjusted by changing the heat pump s heat curve which is the control system s tool for calculating what the sup ply temperature should be for water that is sent out in the heating sys tem The heat curve is a graph that compares the outdoor temperature with the supply temperature The colder the outdoor temperature the more heat is supplied to the heating system The heat curve will be adjusted in connection with installation It must be adapted later on however to obtain a pleasant indoor temperature in any weather con ditions A correctly set heat curve reduces maintenance and saves energy There are two ways of adjusting the heat curve partly in the HEAT CURVE sub menu partly with the ROOM value Adjusting the HEAT CURVE A typical heat curve is shown below At an outdoor temperature of 0 C the supply temperature should be 40 C At outdoor temperatures colder than O C supply water hotter than 40 C is sent out to the radi ators and at outdoor temperatures greater than 0 C supply water cooler than 40 C is sent out When you increase the CURVE value the heat curve will become steeper and when you reduce it it will become flatter 16 User manual 086U6297 Rev 9 EN This is the most energy and cost efficient way to set the indoor tem perature and should therefore be used for long term temperature set tings O Supply temperature C Maximum setpoint value Outdoor temperat
13. erature difference of 3 C between input and output line applies If the differences are greater or less the heat pump is less efficient and savings are lower A heat pump with speed controlled circulation pumps always ensures that they retain the temperature differences The control equipment detects if the balance is upset and increases or decreases the speed of the circulation pumps as necessary HGW technology User manual 086U6297 Rev 9 EN 7 Applies to certain heat pump models HGW technology is a new and unique method of water heating At the same time as the water is heated to be distributed around the house heating system a small proportion flows via an extra de super heater which heats the water before it enters the water heater A shunt valve controls the flow between hot water and heating system During heating production the shunt ensures a certain flow over the de superheater to the water heater The flow through the shunt is con tinuously regulated by the heat pump control by sending opening or closing pulses to the shunt Water heater Thermia heat pumps Diplomat and Comfort are supplied with an inte grated 180 litre water heater They are equipped with a TWS coil that means more effective heat transfer and efficient layering of the water in the water heater Symbol explanation Tap hot water Peak temperature sensor Water heater TWS coil Start temperature sensor Supply line to TWS coil Return l
14. event lime deposits clogging the mechanism The safety valve of the water tank protects the enclosed heater against over pressure in the water tank It is mounted on the cold water inlet line its outlet opening facing downwards If the safety valve is not checked regularly the water tank might be damaged It is quite nor mal that the safety valve lets out small amounts of water when the water tank is being charged especially if a lot of hot water was used previously Both safety valves can be checked by turning the cap a quarter of a turn clockwise until the valve lets out some water through the overflow pipe If a safety valve does not work properly it must be replaced Contact your installer The opening pressure of the safety valves is not adjustable User manual 086U6297 Rev 9 EN 23 6 5 In the event of leakage In the event of leakage in the hot water pipes between the heat pump and water taps close the shut off valve on the cold water inlet imme diately Then contact your installer In the event of leakage in the brine circuit turn off the heat pump and call your installer immediately 6 6 Cleaning the strainers for the heating and brine circuits Note The heat pump must be switched off at the main switch before cleaning can be started A Note The strainers must be cleaned twice a year after installation The interval can be extended if there is evidence that cleaning twice a year is not necessary Note Hav
15. he total time HEAT PUMP and indicates the number of hours that hot water production has been in operation since installation User manual 086U6297 Rev 9 EN 19 5 5 Manual defrost outdoor unit If the heat pump requires defrosting you can run a defrosting proce dure manually from the control computer To defrost manually 1 Press either the right or left button once to open the INFORMA TION menu The cursor is in the OPERATION menu option 2 Press the down button to move the cursor to the DEFROST menu option 3 Open the menu by pressing the right button once 4 Press the down button to move the cursor to the MANUAL DEFROST menu option 5 Press the right button once 6 Press the up button once to start defrost 7 Press the left button three times to exit the menu 20 User manual 086U6297 Rev 9 EN 6 Regular checks 6 1 Checking operation During normal operation the alarm indicator lights green continuously to show that everything is OK When the alarm is triggered it flashes green at the same time as a text message is shown in the display Regularly check the alarm indicator A LA RM to ensure that the installation is LOW PRESSURE ERROR working correctly In event of alarm the heat pump will if possible supply heating to the house primarily with the compressor secondarily with the auxiliary heater Hot water will stop to indicate that something notewor thy has occurred tc 0 In eve
16. hen topping up the heating system In certain exceptional cases the water quality may be so poor for example very hard water that it is not suitable for filling the heat ing system If unsure contact your installer Note Do not use any additives for water treatment in the heating system s water Note The closed expansion tank contains an air filled bladder that absorbs variations in the heating system s volume Under no circumstances may it be drained of air Check the brine circuit level The brine circuit must be filled with the correct amount of fluid other wise operational interruptions may occur 22 User manual 086U6297 Rev 9 EN 6 4 The brine must be topped up when the level drops so that it is no lon ger visible in the expansion tank Symbol explanation 1 Correct level 2 Level too low WEE WENN Figure 1 Level brine During the first month of operation the brine level might drop a little which is quite normal The fluid level may also vary depending on the temperature of the heat source Under no circumstances however must the fluid level be allowed to drop so much that it is no longer visible in the expansion tank For Atria Atria Duo with pressurized brine circuit the manometer on the expansion tank must show approx 1 0 bar Always call your installer for refilling of refrigerant Checking safety valves Both the safety valves for the installation must be checked at least four times a year to pr
17. ine from TWS coil ON DOF UNGE Cold water line Hot water production is prioritised over heat production The temperature of the hot water cannot be adjusted Normally hot water production does not cease at a determined temperature but when the compressor s operating pressure switch reaches its maxi mum operating pressure which corresponds to a hot water tempera ture of approximately 50 55 C 8 User manual 086U6297 Rev 9 EN Using a regular time interval the water in the water heater is given extra heat by the integrated auxiliary heater to prevent the build up of bacteria anti legionella function The factory set time interval is seven days can be adjusted When the anti legionella function is active the heat pump produces hot water until the temperature for the start temperature sensor 5 has reached 60 C In the control system s TEMPERATURE menu a number of measured and calculated temperatures for the hot water and supply are dis played The current temperature for the peak temperature sensor 2 and the temperature of the supply line during heating and hot water production are displayed The temperature of the supply line often exceeds the maximum permitted hot water temperature but usually during hot water production The hot water heaters for Atria differ from the other heat pumps in that the function for defrosting the outdoor unit is different Auxiliary heat If the heat demand is greater than the heat
18. nt of alarm this is indicated in the display with the text ALARM and an alarm message The potential alarm messages are Message Meaning HIGH PRESSURE The heating circuit is the heat pump s high pressure cir ERROR cuit Check and if necessary rectify the circuit level as below Reset the alarm as follows LOW PRESSURE The brine circuit is the heat pump s low pressure circuit ERROR Check the circuit level as below Contact the service technician User manual 086U6297 Rev 9 EN 21 6 2 6 3 Message Meaning ERR PHASE SEQ Can be displayed in conjunction with interference in the mains network for example after a temporary power cut Reset the alarm as follows If necessary switch off the power supply for a minute or two Other alarm mes Reset the alarm as follows If the alarm remains contact sage a service technician Resetting the alarm For alarms that are not reset automatically acknowledgement is required Acknowledge the alarm by setting the heat pump to operat ing mode OFF and then back to the desired operating mode Check the water level in the heating circuit The line pressure of the installation must be checked once a month The external manometer must show a value between 1 1 5 bar If the value is below 0 8 bar when the water in the heating system is cold the water must be topped up applies in the event of an empty expan sion tank You can use normal tap water w
19. s on how the apparatus functions from a safety qualified person The system can be considered maintenance free but certain checks are necessary Before changing the control computer s settings first find out what these changes mean Contact your installer for any service work Installation and maintenance DANGER Only authorized installers may install operate and carry out maintenance and repair work on the heat pump DANGER Only authorized electricians may modify the electrical installation 4 User manual 086U6297 Rev 9 EN 2 2 2 3 DANGER Only authorized refrigeration technicians may work on the refrigerant circuit System modifications Only authorized installers may carry out modifications on the following components e The heat pump unit e The pipes for the refrigerant brine water and power e The safety valve Do not carry out construction installations that may affect the opera tional safety of the heat pump Safety valve The following safety precautions apply to the hot water circuit s safety valve with corresponding overflow pipe e Never block the connection to the safety valve s overflow pipe e Water expands when it is heated this means that a small amount of water is released from the system via the overflow pipe The water that exits the overflow pipe can be hot Therefore allow it to flow to a floor drain where there is no risk of burning yourself User manual 086U6297 Rev EN 5
20. ure C 0 C Set value standard 40 C Qc Gg T el The following parameters can be adjusted Parameter Description CURVE If the CURVE value is increased the heat curve will become steeper and if the value is reduced it will become flatter Raise for hotter indoor temperature reduce for lower temper ature MIN Lowest set point for supply temperature MAX Highest set point for supply temperature CURVE 5 Used to adjust the heat curve at an outdoor temperature of 5 C CURVE O Used to adjust the heat curve at an outdoor temperature of orc User manual 086U6297 Rev 9 EN 17 Parameter Description CURVE 5 Used to adjust the heat curve at an outdoor temperature of 5 C HEAT STOP This function stops all production of heat when the outdoor temperature is equal to or higher than the set heat stop value Note High temperatures in an underfloor heating system can damage parquet floors Open the menu HEAT CURVE in the INSTALLATION menu Mark desired parameter using or but ton 3 Open the parameter by pressing the right button once 4 Raise or reduce the value with the or button 5 Press the left button three times Adjusting ROOM values The heat curve and therefore the indoor temperature can be affected by changing the ROOM value If the ROOM value is used to affect the system s heat curve the heat curve does not become steeper
21. where necessary The control panel is operated using a keypad and information is shown in a display and by an indicator Note The information in the display and menus will vary depending on the heat pump model and connected accessories RO 0 M 209 l Keypad 2 Indicator NO HEAT DEMAND 3 Display OPERAT AUTO pas flee Keypad Plus sign used to scroll up a menu and increase the values Minus sign used to scroll down a menu and reduce the values gt Right arrow used to select a value or open a menu lt Left arrow to cancel selection or exit a menu Indicator The indicator at the bottom of the control panel has three modes User manual 086U6297 Rev 9 EN 11 Not lit means that the heat pump is not powered e When the green light shines continuously the heat pump has power and is ready to produce heat or hot water 4 3 Display The display shows information about the heat pump s operation sta tus and any alarms Symbols that show the heat pump status Flashing green means an active alarm Symbol Meaning c La HP Indicates that the compressor is in operation JH 1 LIGHTNING Indicates that the auxiliary heater is in operation The rd number indicates what additional step is activated HOUSE Indicates that the heat pump produces heat for the 2 heating system TAP Indicates that the heat pump produces heat for the water heater
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