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1. SOLENOID 0 closed solenoid 1 open solenoid COMPR HE 0 compressor heater off 1 compressor heater on DRIP TRAY 0 drip tray heater off 1 drip tray heater on REV V HOT WATER 0 reversing valve in heating mode 1 reversing valve in hot water mode AUX HEAT 1 0 stop of internal immersion heater power stage 1 1 start of internal immersion heater power stage 1 AUX HEAT 2 0 stop of internal immersion heater power stage 2 1 start of internal immersion heater power stage 2 AUX HEAT 3 0 stop of internal immersion heater power stage 3 1 start of internal immersion heater power stage 3 EXT AUX HEATER 0 stop external heat source 230V 1 start external heat source 230V POT FREE 0 potential free output for control of auxiliary heater open 1 potential free output for control of auxiliary heater closed CIRC PUMP DiCi 1 0 stop circulation pump in discharge circuit 1 1 start circulation pump in discharge circuit 1 SHUNT DiCi 1 closes shunt in discharge circuit 1 0 shunt unaffected opens shunt in discharge circuit 1 CIRC PUMP DiCi 2 0 stop circulation pump in discharge circuit 2 1 start circulation pump in discharge circuit 2 SHUNT DiCi 2 closes shunt in discharge circuit 2 0 shunt unaffected opens shunt in discharge circuit 2 SYSTEM SHUNT closes shunt 0 shunt unaffected opens shunt RET LINE HP closes return
2. Highest settable temperature for START parameter in INFORMATION gt COOLING Factory setting 30 C range COOLING gt START 55 C MIN STOP TEMP Lowest settable temperature for STOP parameter in INFORMATION gt COOLING Factory setting 16 C range 5 C COOLING gt STOP ROOM SENSOR Activation of room sensor function for influencing cooling production Factory setting Py range ON COOL HYST RS LOW COOL HYST RS HIGH Compressor is stopped if the temperature from the room sensors falls below the desired temperature minus COOL HYST RS LOW Compressor is not permitted to start if the criteria are not met VMBQY102 Thermia Varmepumpar nm K Installation Guide Atec 8 5 AUX HEATER Parameter Meaning MAX STEP Maximum number of permitted steps for auxiliary heating Y no auxiliary heating permitted Means that only AUTO HEAT PUMP or SYMBOL can be selected and that no anti legionella operation is possible P the potential free output controls an immersion heater connected before the hot water reversing valve and not an external auxiliary heater as normal Factory setting ty range Kh 5 P INTEGRAL A2 Two conditions must be fulfilled in order to start the auxiliary heater the integral s value to start must be less than integral A2 and the supply temperature must be 2 C lower than the calculated temperature See Integral for more information Factory setting 600 min r
3. 12 C range 1 C 15 C MAX RETURN Stop temperature at high return from the heating system Factory setting 55 C range 30 C 70 C START INTERVAL Minimum time interval between two heat pump starts in minutes Factory setting 20M range 10M 30M OUTDOOR STOP Lowest outdoor temperature when the outdoor sensor stops the compressor and heating or hot water are in stead produced by the auxiliary heater Operating mode that permits auxiliary heater must be selected Factory setting 20 C range 20 C 1 C FACTOR HP Activation of room sensor function for blocking or resetting of the integral calculation Factory setting Ch range ch ON RS HYST LOW Integral calculation is blocked if the temperature of the room sensor exceeds the setpoint value minus RS HYST LOW Factory setting 1 C range 0 C 5 C 5 C RS HYST HIGH Integral calculation is reset and the heat pump stops if the temperature of the room sensor exceeds the setpoint value plus RS HYST HIGH Factory setting 1 C range 0 C 5 C 8 4 COOLING Parameter Meaning COOLING Activates the cooling function Factory setting Y range y ACTIVE COOLING INTEGRATED IN HP COOLING TIME When the heat pump must alternate between different demands for example heating hot water pool heating and cooling cooling will be produced longest according to the set number of minutes Factory setting 20M range 5M 40M MAX START TEMP
4. 3 Insulate the supply and return lines VMBQY102 Thermia V rmepumpar nm N Installation Guide Atec A For Atec use the following dimensions for supply and return pipes 1 Supply line 28 mm copper pipe 2 Return line 28 mm copper pipe Atec Standard includes the control module with supply and return line sensors The heat pump produces only heat or cooling Two heating circuits can be connected one using a shunt The shunt is controlled by the heat pump control system The flow line tempera ture is controlled with reference to the outside temperature following a set heat curve The additional heater starts automatically on demand Buffer tank is installed for equalisation of the temperature for the heating system and to guarantee sufficient energy when defrosting The buffer tank volume must be 20 I kW heat pump output for systems without water heaters Atec Standard does not contain a water heater Water heater is available as an accessory for Atec Plus and is included in Atec Total For postition explanations see the chapter Symbol Key Thermia V rmepumpar VMBQY102 nm N Installation Guide Atec System solution Atec Plus Atec Plus includes the control module with supply and return pipe sensors circulation pump 3 way valve and electric auxiliary heater The heat pump produces heat cooling and hot water Production of heating and hot water cannot occur at the same time because the exchange valve for heati
5. be fulfilled for peak heating charging to be considered com plete Factory setting y range y 1H 10H TOPH STOP Stop temperature for peak heat charging Operating mode that permits auxiliary heater must be selected Factory setting 60 C range 50 C 65 C INFL H W SENSOR Hot water sensor s influence compared with the peak sensor s at start of water heating Factory setting 65 range 0 100 Thermia V rmepumpar VMBQY102 Installation Guide nm N Atec Parameter Meaning TOPH SENSOR Shows the actual temperature at the top of the water heater provided that this sensor is engaged HOT WATER Shows the actual temperature approx 1 3 from the bottom of the hot water sensor SENSOR 8 3 HEATING Parameter Meaning INTEGRAL A1 The integral s value in degree minutes for starting the heat pump See Integral for more information Factory setting 60 min range 250 min 5 min HEATING TIME When the heat pump must alternate between different demands for example heating hot water pool heating and cooling heating will be produced longest according to the set number of minutes Factory setting 20M range 5M 40M HYSTERESIS If the difference between the actual supply temperature and the calculated supply temperature is too great ei ther the integral value is set to start value A1 the heat pump starts or the value is set to O stops the heat pump Factory setting
6. checking temperature and pressure at compressor start If deviations are found this is indicated by an alarm Factory setting ON range ch ON SERVICE TIME Only used for test operation The heat pump counts 60 times as fast which means that the waiting times are eliminated during test operation A 0 deactivates SERVICE TIME 1 activates SERVICE TIME which speeds up the control system s integral calculation and start delay by 60 times Factory setting 0 range 0 1 FACTORY SET Indicates if resetting to factory settings must be done CANCEL Starting point no changes made RADIATOR Reset factory settings for radiator system FLOOR Reset factory settings for underfloor heating RESET OPER TIME Used to reset operating times 0 noreset of operating times 1 reset of operating times to zero Factory setting O range O 1 SENSOR CALIBRA TION OUTDSYSTEM SUPPLYSUPPLY LINERETURN LINEHOT WATERHOT WATER TOPREFR 1 REFR 2 DISCH PIPEDEFR SENSOR BUFFER TANK DISTRIBUTION CIRCUIT 1 DISTRIBUTION CIRCUIT 2 POOL SUCTION GAS Factory setting 0 range 5 C 5 C EXTERNAL FACTOR Affects sensors that are installed inside the heat pump Factory setting 0 range 0 C 20 C Thermia V rmepumpar VMBQY102 EJ Installation Guide nm N Atec Parameter Meaning VERSION Indicates the version number of the software in the control DISPLAYHUBHP heat pump c
7. desired buffer tank temperature when the heat pump must start to heat the buffer tank A condition is that CONFIGURATION TANK CONTROL Factory setting 4 C range 2 C 20 C TANK HYST IMM Indicates the number of degrees from the desired buffer tank temperature when the immersion heater must start to heat the buffer tank A condition is that CONFIGURATION TANK CONTROL Factory setting 7 C range 2 C 20 C TANK HYST EXT Indicates the number of degrees from the desired buffer tank temperature when the external auxiliary heater must start to heat the buffer tank A condition is that CONFIGURATION TANK CONTROL Factory setting 10 C range 2 C 20 C Thermia Varmepumpar VMBQY102 nm N Installation Guide Atec Parameter Meaning SYSTEM CIRCUIT Indicates if the system shunt group must be controlled by a heat curve or by a constant temperature Condi tions are that CONFIGURATION TANK CONTROL and the external auxiliary heater is not configured Factory setting HEAT CURVE range HEAT CURVE CONSTANT TEMP OPEN CIRCUIT At the selection OPEN CIRCUIT the shunt outputs are not active but the temperature for system supply is dis played in the OP DATA menu The menu only appears if external auxiliary heater is not selected SHUNT TIME SYS Indicates shortest permitted time between control signals to the system shunt Factory setting 60S range 10S 99S SYS PUMP COOLIndicates whethe
8. different electrical eguipment should be connected The positions in the table refers to the system solutions Pos Description Connect to 5 Heat pump unit 33 Circulation pump shunt additional heater 101 2 and N 36 Circulation pump system 101 1 and N 40 Control unit 50 Outdoor sensor 305 and Com 51 System supply line sensor 52 Return line sensor 53 Hot water starting sensor 55 Hot water sensor top TWC 60 Sensor pool 208 1 and Com 62 Room sensor DC to 121 1 A to 121 3 Gnd to Gnd B to 121 5 63 Shunt valve additional heater 102 3 102 4 and N 64 Supply line sensor mixing valve 118 2 and Com 79 Reversing valve cooling tank M3 3 to L1 1 M3 6 to 101 6 M3 2 to N 101 Reversing valve pool M3 3 to L1 1 M3 6 to 201 1 M3 2 to N 107 Shunt valve distribution circuit 1 102 5 102 6 and N 108 Supply line sensor distribution circuit 1 118 3 and Com 109 Circulation pump distribution circuit 1 101 3 and N 114 Immersion heater 1 12 and N 117 Additional heater 101 4 and N 230Vac Alternative Pot free relay max in 250V 8A connect in 101 8 out 101 16 120 Fan coil 133 Shunt valve distribution circuit 2 202 1 202 2 and N 134 Supply line sensor distribution circuit 2 208 3 and Com 135 Circulation pump distribution circuit 2 201 5 and N 355 Connecting self regulating heating cable for draining L1 1 PEand N Thermia V rmepumpar VMBQY1
9. line shunt in systems with buffer tank SHUNT 0 shunt unaffected opens shunt in systems with buffer tank REV V POOL 0 reversing valve in normal mode 1 reversing valve in pool mode ALARM 0 no voltage on output 201 6 External alarm 1 230V on output 201 6 External alarm DIGITAL OUT 0 no voltage on output 204 1 1 5V 2mA on output 204 1 EJ VMBOY102 Thermia V rmepumpar Installation Guide nm K Atec 8 7 INSTALLATION Parameter Meaning HEAT SOURCE Selecting heat pump type for configuration of control Outdoor air with direct evaporation and four way valve CURRENT LIMITER POOL Activates the pool function Factory setting y range y ON DISTRIBUTION Activates the shunt group function and indicates if the shunt group is to be controlled by the heat curve or by a CIRCUIT 1 2 constant temperature Factory setting ES range y HEAT CURVE CONSTANT TEMP SHUNT TIME Indicates the shortest permitted interval between control signals to the shunt Factory setting 60S range 10S 99S BUFFER TANK Activates the buffer tank function Factory setting y range y ON OPTIMUM Activates the Optimum function makes use of a speed controlled circulation pump possible Factory setting ly range 1 ON Activates the current limiting function An expansion card must be installed for current measurement Factory setting ly range ON START UP CHECK Activation of the function for
10. safety valve overflow pipes must have an open connection to the drain and visibly flow into this in a frost free environment A 9 a o 5 The connecting pipe between the expansion tank and the safety valve must slope continuously upwards A continuous upwards slope means that the pipe must not slope downwards from the horizontal at any point Ensure that the pipe installation is carried out in accordance with the dimensions and connection diagrams Configure the heat pump for the desired system solution in the SERVICE ADD HEATER EXTERNAL ADDITION menu P b gt 4 1 Water volume in heating system In order to secure the defrosting of the outdoor unit a minimum amount of water must be contained in the heating system This is shown in the table below If the heating system itself holds the amount of water described in the table a volume tank is not needed but recommended If the amount of water in the heating system is not sufficient Low Pressure alarms may occur A Thermia V rmepumpar VMBQY102 nm N Installation Guide Atec Volume tank table Unit 6 kW 9kW 11kW 13 kW 16 kW 18 kw Min water volume in heating system Atec Standard and 120 180 220 260 320 360 Atec Plus Min water volume in heating system Atec Total 60 90 110 130 160 180 4 2 Minimum flow in the heating system Make sure that the dimensioning of the piping in the heating system is sufficient to get the mi
11. sensor 5 17 Connecting the distribution circuit 2 sensor B29 cuz pi 2083 39 i v kastntssstensns ssa com Fig 25 Connect sensor distribution circuit 2 Thermia V rmepumpar VMBQY102 Thermia N Installation Guide Atec 6 Menu information The heat pump has an integrated control system which automatically calculates the heat demand in the house to ensure that the cor rect amount of heat is produced and emitted when necessary The control system is operated using a keypad and information is shown in a display and by an indicator A The information in the display and menus will vary depending heat pump model and connected accessories 20 C 1 Keypad ROOM 2 Indicator NO HEAT DEMAND N OPERAT AUTO _ 3 Display O SA art lt gt VMBOY102 Thermia V rmepumpar nm K Installation Guide Atec 7 INFORMATION menu 7 1 Menu overview OPERAT HEATING DISTRIBUTION CIRCUIT1 DISTRIBUTION CIRCUIT2 HOT WATER COOLING POOL BUFFER TANK OP DATA OPERAT TIME DEFROST CALENDAR CLOCK HOTWATER EVU SILENT MODE TEMP REDUCTION CONCRETE DRYING PROG ALARM LANGUAGE 7 2 Sub menu OPERAT Menu selection Meaning Factory setting gt OFF The installation is fully switched off This mode is also used to acknowledge certain alarms CANCEL starting point no changes made To select OFF as operating mode press the minus sign once to scroll down one step and pr
12. the degree of danger Danger Indicates an immediate danger that leads to fatal or serious injury if necessary measures are not taken Warning Risk of personal injury Indicates a possible danger that can lead to fatal or serious injury if necessary measures are not taken Caution Risk of installation damage Y Indicates a possible hazard that can lead to item damage if necessary measures are not taken A fourth symbol is used to give practical information or tips on how to perform a procedure A Information regarding making the handling of the installation easier or a possible operational technical disad vantage 1 3 Symbols on decals The following symbols can occur on decals on the different parts of the heat pump Which symbols are used depends on the heat pump model Thermia V rmepumpar VMBOY102 Installation Guide Atec A Warning danger A Read the documentation provided Ta Read the documentation provided A Warning hazardous electrical voltage 1 3 2 Electrical components 3 Outdoor unit Outdoor sensor Hot water sensor Hot water top sensor p WW Flow guard Drip tray 362 Shunt valve 304 y Circulation pump 363 Exchange valve hot water 365 Supply line sensor 366 Return line sensor 1 3 3 Pipe connections gt Tap water Heating system IMA JW Brine system Defrosting tank Expansion tank with safety valve brine Air bleeding Temperature and pressure r
13. weight ofthe heat pump with filled hot water tank see Technical data A 9 o 5 To prevent leaks ensure that there are no stresses in the connecting pipes lt A Yy c o 5 It is important that the heating system is bled after installation gt A 9 a o 5 Bleed valves must be installed where necessary gt A 9 A o 5 The hot water tank must be equipped with an approved safety valve gt Caution Heating systems with closed expansion tanks must also be supplied with approved pressure gauges and safe ty valves gt Thermia Varmepumpar VMBOY102 Thermia Installation Guide Atec Caution Cold and hot water pipes and overflow pipes from safety valves must be made of heat resistant and corro Y sion resistant material for example copper The safety valve overflow pipes must have an open connection to the drain and visibly flow into this in a frost free environment Caution The connecting pipe between the expansion tank and the safety valve must slope continuously upwards A A continuous upwards slope means that the pipe must not slope downwards from the horizontal at any point Caution When cooling it is important to limit the lowest flow line temperature to prevent condensation A If there is any risk of groundwater infiltration at wall lead ins for brine pipes watertight grommets must be used A In addition to applicable local rules and regulations the installation should be
14. 02 Installation Guide Atec 5 2 Control centre 5 2 1 Installation nm N The control centre contains the necessary components for voltage supply control systems and operation Caution The control centre must be installed in a frost free environment A 5 2 2 Atec Standard electrical components in the control centre Position Description 1 Terminal block Hub card Space for expansion card accessory Space for communications card accessory 3 4 5 6 Space for terminal block for expansion card accessory Fig 1 Control unit 5 2 3 Atec Plus electrical components in the control centre Description Terminal block Terminal block for internal electrical auxiliary heater IH Hub card Space for expansion card accessory Space for communications card accessory Space for terminal block for expansion card accessory Overheating protection Fig 2 Control unit VMBOY102 Thermia V rmepumpar nm K Installation Guide Atec 5 2 4 Atec Total electrical components in the control centre Position Description 1 Terminal block 2 Terminal block for internal electrical auxiliary heater 1H 3 Hub card 4 S
15. 22 5 Electrical Installation 755 s 6 3 avaa ce ee ee eee l a 23 SA Electrical connection point eri sm s ses a RE AS rer n r PIAS lk ew We eS a P 23 527 A E AN 24 5 3 Electrical cabinet in heat Pump 0 K KK nn 25 5 4 Cable COnmectiOni 424 suutu a vaa ta aa aaa a a o Ga ow aa 25 5 5 Connecting the outdoor sensor 5 sk 26 5 6 Connecting supply and return pipe sensors sus ks 26 5 7 Connecting supply line sensor distribution circuit 2 2 skn 26 5 8 Connecting sensors to external water heater ss KKK en 27 5 9 CONnecting koomiSensok sen sussa us sa ala N ae A RA a a X 27 5 10 Connecting system circulation PUMP ses n 27 5 11 Connecting circulation pump distribution circuit ss n 27 5 12 Connecting heating cable drip tray ss 28 5 13 Connecting the communication cable 2 1 n 28 5 14 Connecting the power Supplyi cs cae aka ki AR oat anna ek da A KORE me Kata ea 28 5 15 Connecting the immersion heater cable 2 2 KKK Kee 29 5 16 Connecting the swimming pool sensor ssa 29 5 17 Connecting the distribution circuit 2 sensor sessa 29 6 Menu information 1 0 0 cece eee ee ee ee tee eee roca 30 INFORMATION Menu escocia as E 16 16 0 18 16 16 ERTS ES 6 861616 66 REA ORR ORES 31 Fal NIEDULOVEIVI SWS oo sc eho ane SAN cote a Hannaa Nee Oe ES Ee wt a a SR So ae Ne ade a NS 31 7 2 Submenu OPERAT ui a does Head a rese Dare ada GRO ee aR Ba ie Beda 31 7 3 HEATING wi cc ew fe n are ee OEE LEE Oe EO EET DG CR ERED EDO O
16. AX TIME POOL determines the longest permitted pool heating time at non integral controlled circuit Factory setting 40M range 1M 210M MAX TANK TEMP Maximum permitted temperature in the buffer tank Fixed value 55 C is used if no external auxiliary heater is configured At external auxiliary heater the temperature can be set between 55 C 80 C Factory setting 55 C range 55 C 80 C i VMBOY102 Thermia V rmepumpar nm K Installation Guide Atec 9 Important information Safety regulation 9 1 General safety precautions Warning Risk of personal injury Children are not permitted to play with the product gt A Yy c o 5 The heat pump must be installed by authorised installation engineers and the installation must follow the applicable local rules and regulations as well as these installation instructions gt A 9 o 5 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 instructions on how the apparatus functions from a safety qualified person gt A 9 o 5 The heat pump must be located in a frost free environment gt A Yy c A o 5 The heat pump must be placed in an area with a floor drain gt A 9 a o 5 The heat pump must be located on a stable base The floor must be able to support the gross
17. E E 32 74 DISTRIBUTION CIRCUIT TE2 y paee A di SGA eae Rasvan weg ern ds 32 Tee HOT WATER sr E de Me Re AS ACS e ads 33 7 02 COOLING cordial 33 TT POOL AAA AN 33 7 8 NBUBFER TANK iiaea d aake are o ld de ad De il ia aea a a aa ks a ae Swed 34 7 9 COPIDATA sos a a a ad ad 34 710 OPERAT MIME aa e AS nla A E do Made Mie an A ia Sete 35 FMM DEFROST ra tt EA A A a Gow Mu eon te reer 35 7 12 CALENDAR caro cea N aka sa wae ARA keh A AR aL ok AER A let A AS ao 35 7 13 Submenu LANGUAGE kj 600050 o ae dh add da wise 4 36 TNA ALARM a ce ak A AA Gu we Tee r BMW Sede aaa le aE 36 8 SERVICE MENU asia A RA A a A 8 00 37 81 MERUOVEIVIEW oi e A e A A A ere Pee ees 37 82 SHOT WATER ud aaa O ee UR E hl des Se L a ia A RE a JA sl er 37 8 3 HEATING peis aaa arae ia a e Sy Soin dee ae ee ai fal 38 84 COOLING amp r esc rr sb a Be ee ES Rad Hwee A da ads Sw aaa 38 8 57 AUX HEATER aso ae bra ana cee a eee TON NG fe en ae A A EROTTAA RR AP 39 8 6 MANUALTEST aviva HA ho dua AA AAA AAA RA A 39 8 7 INSTALLATION gt vaivaa cata aie eee bw waste enl in te a Ree ri ca a et SR A ee oe Rah E 41 88 JDEEROSIE sarna o e Ra ott Weise teh A ai 42 Thermia V rmepumpar VMBQY102 Thermia N Installation Guide Atec 8 9 OPTIMUM sedate muss an ee oe Ae a eae eS ds ES Bw 3 ee oe Eas an ce 43 8 10 BUFFER TANK ius s es ele dc die bk Bea ed a eee der a Rare eke ar aed dea ane he awe Op ae aa 0 43 9 Important information Safety regulation
18. Installation Guide Atec Thermia www thermia com Thermia V rmepumpar is not liable or bound by warranty if these instructions are not adhered to during installation or service The English language is used for the original instructions Other languages are a translation of the original instructions Directive 2006 42 EC O Copyright Thermia V rmepumpar nm K Installation Guide Atec Table of Contents 1 About documents and decals cece cee ee ee eee eee ee ee ee eee ee eee eee teeter ens 5 Ll INtrOdUCHION eiai a ma AA HS A Saree BGR Te Bj RR EJE t AR 5 1 2 Symbols in dOcuMents 43 ahaa ke etek o dd Gea E E db dod dc aver JA eee 5 13 Symbols on decals eii rara hh ORG Hho oe ORGS Keds ae ORO 1 ee Mad eee da 5 2 Transport unpacking and setting up ees ce ce eee cee ee eee te eee ee KKKA 7 2 1 Transportingtheheat pump ll 7 22 Unpacking sasa rea caa wend nga cdc PRs Sond Wicd a Bs pe Seda RoR aa d r ated aa dida 7 2 3 Positioning the Atec heat PUMP sas sec esse dee ee eee eee 7 Heat pump data dimensions and connections 0 eee e eee ee eee eee eee eee ee ee eee eee 11 4 Piping Installation oca s s e cas 61a 6 E A daa 13 4 1 Water volume in heating system se 13 4 2 Minimum flow in the heating system ss n 14 43 Safety vales a aus a E Sis aS OE Re ee ae Re ee RA SRA e Bo 14 44 Connection heating and hot water skn kk 14 4 5 Nois infonmation susa as aus 8 aikakausia as A a a a L daa
19. aging 2 2 2 Delivery check Check that the delivery contains the following components Quantity Name 1 Heat pump 1 Control unit 1 Document set 1 Package 1 x shut off valve with filter 1 x outdoor sensor The location of the outdoor unit is chosen so that neither the own living environment or adjoining properties are exposed to noise inter ference The device is to advantage placed in an environment with lush trees and shrubs with grass surface Large hard asphalt surfaces and stone or brick walls around the heat pump should be avoided since they effectively reflect the sound Thermia V rmepumpar VMBOY102 Installation Guide Atec Avoid locating the outdoor unit close to windows or walls to bedrooms etc facing nearby neighbours in an inner corner of the building It gives a very large effect on the direction of sound propagation A Adhere to national regulations regarding noise interference Thermia N 1 The heat pump must be positioned outdoors on a stable base that can take the total weight of the heat pump see Technical data 2 Secure all four mounting points on a stable base for example a cast foundation 100 mml 900 mm Measurements 6 9 kW 11 13 kW 16 18 kW 1 450 mm 470 mm 710 mm 2 424 mm 480 mm 480 mm 3 618 mm 672 mm 857 mm 4 130 mm 190 mm 145 mm 5 61 mm 65 mm 65 mm 6 1 000 mm 1 200 m
20. ange 990 min A1 10 min HYSTERESIS If the difference between the actual supply temperature and the calculated supply temperature is too great see Important parameters either the integral value is set to start value A2 starts the auxiliary heater or to 0 stops the auxiliary heater Factory setting 20 C range 5 C 30 C MAX CURRENT Refers to main fuse in the unit in amperes An expansion card must be connected for current measurement Factory setting 20A range 16A 35A HOT WATER STOP Stop temperature for hot water during AUX HEATER The value is read off by the hot water sensor Factory setting 60 C range 50 C 65 C START DELAY Gives the time that the start of the auxiliary heater is delayed after a temperature reduction or EVU stop Factory setting 30M range OM 120M EXT AUX HEATER _ Activates the function for external auxiliary heater and states how it should be configured EXT AUX HEATER Switch the external auxiliary heater off and on Factory setting 5 range y ON INTEGRAL A3 Indicates the value of the integral when external auxiliary heater is connected Factory setting 300 range 990 A1 10 min TURN OFF DELAY Indicates how long the external auxiliary heater must continue to be active after its demand is no longer needed Factory setting OM range OM 180M REV V HOT WATER Indicates whether the reversing valve for hot water is located before or after the exte
21. ank system or if the external auxiliary heater is activated DISTRIBUTION Shows the temperature on the distr cir 1 sensor CIRCUIT 1 The calculated supply temperature for the shunt group is within brackets DISTRIBUTION Shows the temperature on the distr cir 2 sensor CIRCUIT 2 The calculated supply temperature for the shunt group is within brackets BUFFER TANK Shows the temperature on the sensor for the buffer tank HOT WATER Displays the temperature on the hot water sensor on the condition that hot water production is permitted INTEGRAL Shows the actual calculated value for the integral REFR 1 Shows the temperature at refrigerant sensor 1 REFR 2 Shows the temperature at refrigerant sensor 2 POOL Displays the temperature on the pool sensor on the condition that pool operation is permitted CURRENT Displays the current consumption in Amperes The set value for MAX CURRENT is shown in brackets Only appears if CURRENT LIMITER is selected in the Service menu DISCH PIPE Shows the temperature at the discharge pipe sensor SUCTION GAS Shows the temperature of the suction gas EVAP PRESSURE Shows the pressure of the suction gas pipe Measured in bar atmospheric pressure bar a DEFR SENSOR Shows the temperature of the defrost sensor VMBQY102 Thermia V rmepumpar Installation Guide nm N Atec 7 10 OPERAT TIME Parameter Meaning COMPRESSOR Oper
22. ard EXP expansion card EXV expansion valve card LOGTIME Time interval between collection points of temperature history in minutes The history graphs always show the 60 last collection points which means that the graphs can display history from 1 hour up to 60 hours ago The function is not active if there is an active alarm Factory setting 1M range 1M 60M DEFROST Parameter DEFR OFFSET Meaning Adjusting the defrost curve Negative value moves the defrost curve down which means that it takes a longer time before defrosting starts Positive value moves the defrost curve up which means that it takes a shorter time before defrosting starts Factory setting 0 C range 20 C 20 C STOP DEFR The temperature that refrigerant sensor 2 must reach to complete a defrost Factory setting 38 C range 7 C 60 C BELOW 5 C DEFR Safety defrosting occurs when the outdoor temperature has been below 5 C for a set number of days Factory setting 7D range y 1D 14D MAX TIME DEFR Longest permitted time for a defrost Factory setting 10M range 3M 20M MIN TIME DEFR Shortest permitted time for a defrost Factory setting 3M range OM 5M BETW 2 DEFR Indicates minimum time between two defrosts Factory setting 45M range 20M 60M MIN RAD STMP Lowest permitted supply temperature on the heating circuit during defrost before electrical auxiliary heate
23. ating time for compressor COMPRESSOR SL Operating time for compressor SLAVE HEATING Operating time for heating COOLING Operating time for cooling HOT WATER Operating time for hot water with compressor AUX HEAT 1 OPERAT TIME AUX HEATER 1 AUX HEAT 2 OPERAT TIME AUX HEATER 2 AUX HEAT 3 OPERAT TIME AUX HEATER 3 EXT AUX HEATER Operating time external auxiliary heater 7 11 DEFROST Parameter Meaning DEFROSTS Total number of defrosts carried out BETW 2 DEFR The operating time of the compressor in minutes between the two last defrosts TIME LAST DEFR The operating time of the compressor in minutes since last defrost DEFROST CURVE Used to change the angle of the defrost curve using or Change the start temperature for defrost Factory setting 7 C range 10 C 4 C MANUAL DEFR Used to perform a manual defrost Started using or Factory setting 0 range 0 1 7 12 CALENDAR Parameter Meaning CLOCK Indicate day s date and time Used in the calendar function and in the log at the alarm DATE day month year example 01 jan 2011 CLOCK hours minutes example 20 30 HOT WATER To block hot water production Up to eight calendar settings can be defined Under CALENDAR SETTING first select the menu TIME FUNCTION if blocking should be over a continuous time period DATE or be recurring DAYS WEEK Then start and stop times are selected in the TIME SETTING menu EVU EVU stops the heat pump and is a fu
24. carried out in a manner that prevents vibrations from the heat pump being transmitted into the house causing noise Caution Work on the refrigerant circuit must only be carried out by a certified engineer A Although the heat pump cooling system refrigerant circuit is filled with a chlorine free and environmentally approved refrigerant that will not affect the ozone layer work on this system may only be carried out by authorized persons In normal use and normal conditions the refrigerant has low toxicity However although the toxicity of the refrigerant is low it can cause injury or be highly dangerous in abnormal circumstances or where deliberately abused Warning Risk of personal injury Spaces in which heavy vapour can collect below the level of the air must be well venti A lated Refrigerant vapour is heavier than air and in enclosed spaces below the level of a door for example and in the event of leakage concen trations can arise with a resultant risk of suffocation due to a lack of oxygen Warning Risk of personal injury Refrigerant exposed to a naked flame creates a poisonous irritating gas This gas can a be detected by its odour even at concentrations below its permitted levels Evacuate the area until it has been sufficiently ventilated EI VMBOY102 Thermia V rmepumpar Thermia Installation Guide Atec Caution When repairing the refrigerant circuit the refrigerant must not be released from the heat pump it mus
25. d This is carried out by setting the oper ating mode to AUX HEATER EI VMBOY102 Thermia V rmepumpar Thermia N Installation Guide Atec Thermia Varmepumpar VMBQY102 EI Thermia N Installation Guide Atec VMBOY102 Thermia V rmepumpar Thermia N Installation Guide Atec Thermia Varmepumpar VMBQY102 Thermia N Installation Guide Atec Thermia Heat Pumps Box 950 671 29 ARVIKA Phone 46 570 81300 E mail info thermia com Internet www thermia com Danfoss can accept no responsibility for possible errors in catalogues brochures and other printed material Danfoss reserves the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subseguential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies Thermia V rmepumpar and the Thermia V rmepumpar logotype are trademarks of Danfoss A S All rights reserved VMBOY102 Produced by Thermia V rmepumpar O 2012
26. d if an accessory Room temperature sensor is installed Determines how great an impact the room temperature is to have when calculating the supply temperature For under floor heating it is recommended that ROOM FACTOR is set to 1 2 or 3 For radiator heating it is recommended that ROOM FACTOR is set to 2 3 or 4 Impact 0 no impact 4 large impact Factory setting 2 range 0 4 7 4 DISTRIBUTION CIRCUIT 1 2 Only appears if the function is activated in menu SERVICE gt INSTALLATION SYSTEM gt SHUNT GROUP Parameter Meaning CURVE Calculated supply temperature at 0 C outdoor temperature Shown as a graphic curve The curve will be limited by the set values of MIN and MAX Factory setting 40 C for under floor heating 30 C range 22 C 56 C MIN Minimum permitted supply temperature if the temperature for heat stop has been reached and the heat pump has stopped Factory setting 10 C range 10 C 50 C MAX Maximum calculated setpoint value of the supply temperature Factory setting 55 C for under floor heating 45 C range 15 C 70 C CURVE 5 Local increase or reduction of CURVE at an outdoor temperature of 5 C Shown in the graph for CURVE Factory setting 0 C range 5 C 5 C CURVE 0 Local increase or reduction of CURVE at an outdoor temperature of 0 C Shown in the graph for CURVE Factory setting 0 C range 5 C 5 C CURVE 5 Local increase or reduction of CURVE at an outd
27. d its immediate area free of snow ice leaves etc Remember that the heat pump must have a certain amount of space in order to function and for servicing Otherwise there is a risk that the air will recirculate from exhaust to intake Avoid this by following the dimen sions given below E E O 5 Ln A Thermia Varmepumpar VMBQY102 9 Thermia N Installation Guide Atec 2 3 2 Lifting instructions To lift the heat pump into position unscrew the side plates by slackening off the screws 1 Then use the side members behind the side panels to lift and position the heat pump a gt O gt Ss Eo Hong SS I Y HE VMBOY102 Thermia V rmepumpar nm K Installation Guide Atec 3 Heat pump data dimensions and connections Atec O JE Ja O Position Description 6 9 kW 11 13 kW 16 18 kW 1 Width 856 mm 1 016 mm 1 166 mm 2 Depth 510 mm 564 mm 570 mm 3 Distance from HP side to supply line pipe 251 mm 285 mm 366 mm 4 Height 1 272 mm 1 477 mm 1 557 mm 5 Height to supply line pipe 28 mm Cu 155 5 mm 6 Height to return line pipe 28 mm Cu 96 5 mm 7 Length max protruding pipe 30 mm Contr
28. e for heat stop has been reached and the heat pump has stopped Factory setting 10 C range 10 C 50 C MAX Maximum calculated setpoint value of the supply temperature Factory setting 55 C for under floor heating 45 C range 40 C 85 C CURVE 5 Local increase or reduction of CURVE at an outdoor temperature of 5 C Shown in the graph for CURVE Factory setting 0 C range 5 C 5 C CURVE 0 Local increase or reduction of CURVE at an outdoor temperature of 0 C Shown in the graph for CURVE Factory setting 0 C range 5 C 5 C CURVE 5 Local increase or reduction of CURVE at an outdoor temperature of 5 C Shown in the graph for CURVE Factory setting 0 C range 5 C 5 C HEAT STOP Maximum outdoor temperature when heat production is permitted If HEAT STOP applies the outdoor temper ature must drop 3 C below the setting before HEAT STOP stops Factory setting 17 C range 0 C COOLINGMODE ACTIVE 3 C CONSTANT TEMP The temperature that the shunt wishes to retrieve from the buffer tank and distribute to the house Only applies when the buffer tank is activated and with shunt group connected Factory setting 18 C range 10 C 30 C SETBACK TEMP The temperature that will apply at temperature setback Temperature setback is activated via the calendar func tion When the function is activated ROOM is the temperature that is set here Factory setting 18 C range 10 C 30 C ROOM FACTOR Only displaye
29. eed gives sufficient flow This is indicated by F in the dis play flow sensor closed The start flow is maintained one minute before control goes to speed control the circulation pump Factory setting 7V range 3V 10V CONST FL CIRC If TEMP DIFF CIRC is set to the flow is continuous with this value in the heating system Value indicated in Volts Factory setting 7V range 3V 10V MIN FLOW CIRC Lowest permitted voltage speed of the circulation pump in the heating system Factory setting 3V range 3V 10V MAX H W CHARGE Highest supply temperature during water heating HW Factory setting 55 C range 45 C 65 C MIN CHARGE HW Lowest desired supply temperature during water heating Factory setting 50 C range 30 C 65 C 8 10 BUFFER TANK Parameter Meaning CONFIGURATION With integral control heating is produced according to the house s heating demand With tank control a fixed value is stated for the buffer tank Factory setting INTEGRAL CONTROL range INTEGRAL CONTROL TANK CONTROL RET LINE HP When the heat pump is inactive the heat is shunted from the buffer tank to the heat pump at set temperature SHUNT Factory setting 25 C range 20 C 30 C SHUNT TIME RET Indicates shortest permitted time between control signals to the return line shunt Factory setting 30S range 10S 99S TANK HYST HP Indicates the number of degrees from the
30. elief valve Outdoor unit Water heater Qaw gt EE mO nm N e Warning hot surfaces A Warning moving parts A Warning risk of crushing injury or Ago Defrost sensor Explanation Component ordinary delivery according to proposed sys tem solutions t y Component accessorie according to proposed system sol N 7777 utions HH VMBQY102 Thermia V rmepumpar nm K Installation Guide Atec 2 Transport unpacking and setting up 2 1 Transporting the heat pump Caution During transportation or lifting of the entire heat pump the front panel must always be installed as it locks Y the other panels construction Caution The heat pump must always be transported and stored in a dry area Secure the heat pump so that it cannot A tip over during transportation Caution The heat pump must always be transported and stored standing and in a dry environment If the heat pump is Y laid on the incorrect side it may become seriously damaged as the oil in the compressor can run out in the pressure pipe and therefore prevent normal function When transporting indoors to the installation location it may be necessary to place the heat pump on its back The time that the heat pump is transported on its back should be as short as possible After the heat pump has been lifted up again it must stand upright for at least an hour before commissioning 2 2 Unpacking 1 Check that there is no transport damage 2 Remove the pack
31. ess the right arrow once AUTO Automatic operation with both heat pump and auxiliary heater permitted If the number of power stages for auxiliary heating are set to zero SERVICE gt AUX HEATER gt MAX STEP only AUTO or OFF can be selected as operating mode COMPRESSOR The control system is controlled so that only the heat pump unit compressor is allowed HEAT PUMP to operate In this operating mode peak heating charging anti legionella function of the hot water will not run because the auxiliary heater is not used Operation with only compressor permitted A No peak heating charging anti legionella function with only heat pump operation AUX HEATER Operation with only auxiliary heater permitted HOT WATER Operation with heat pump for hot water production and auxiliary heater during peak N heating charging anti legionella function MANUAL TEST Only displayed when the value for MANUAL TEST is set to 2 in the SERVICE menu Out puts that control components are activated manually Thermia V rmepumpar VMBQY102 Installation Guide nm N Atec 7 3 HEATING Parameter Meaning CURVE Calculated supply temperature at O C outdoor temperature Shown as a graphic curve The curve will be limited by the set values of MIN and MAX Factory setting 40 C for under floor heating 30 C range 22 C 56 C MIN Minimum permitted supply temperature if the temperatur
32. event leaks ensure that there are no stresses in the connecting pipes It is important that the heating system is bled after installation Bleed valves must be installed where necessa Caution ry There is a risk of the pipes to the heat pump freezing when water circulation through the heat pump stops when outdoor temperatures fall below freezing Normally the integrated flow sensor gives an alarm if there is low flow assumes that there is current to the heat pump for example when the radiator pump has stopped In the event of longer flow stops for example in case of power failure or if the plant is OFF there is however an obvious risk of freezing By installing a stop cock on the inside of the house wall it is possible to drain the part of the system that goes out to the heat pump if necessary Another way of ensuring against freezing is to install an intermediate exchanger indoors In such cases one must use glycol intended for refrigerant applications in the circuit to the heat pump unit and an extra circula tion pump see System solution intermediate exchanger Another option is to fill the heating system with anti freeze Caution Heating systems with closed expansion tanks must also be supplied with approved pressure gauges and safe A yY o 5 ty valves Cold and hot water pipes and overflow pipes from safety valves must be made of heat resistant and corro gt sion resistant material e g copper The
33. ly cable does not provide a path for vibration because it is overstretched 4 5 2 Flexible hoses All pipes should be routed in such a way that vibrations cannot be transmitted from the heat pump through the piping and out into the building This also applies to the expansion pipe We recommend that flexible hoses are used for all pipe connections to avoid the trans mission of vibrations Flexible hoses are available to purchase as accessories The figures below show how appropriate and inappropriate installations look using this type of hose VMBQY102 Thermia V rmepumpar nm N Installation Guide Atec 5 Electrical Installation Danger Electrical voltage The terminal blocks are live and can be highly dangerous due to the risk of electric shock A All power supplies must be isolated before electrical installation is started The heat pump is connected inter nally at the factory for this reason electrical installation consists mainly of the connection of the power sup ply Caution Electrical installation may only be carried out by an authorized electrician and must follow applicable local Y and national regulations Caution The electrical installation must be carried out using permanently routed cables It must be possible to isolate 4 the power supply using an all pole circuit breaker with a minimum contact gap of 3 mm The maximum load for externally connected units is 2A 5 1 Electrical connection points This table shows how
34. m 1300 mm 7 650 mm 720 mm 720 mm 8 65mm 65mm 65mm Position Description a Drainage hole b Foundation c Gravel Bolt size 6 9 kW 11 13 kW 16 18 kW M10 4x M12 4x M12 4x E VMBOY102 Thermia V rmepumpar Thermia N Installation Guide Atec Caution gt A Yy o 5 A 9 3 o 5 gt A 9 c o 5 gt A v o 5 gt Pp P gt A driptray is installed with the purpose of gathering and draining away melt water during defrosting Connect a hose or pipe along with a heat trace cable between the outlet of the drip tray and a drain or a free draining piece of ground The heat cable must be connected to the terminal provided and is necessary to prevent ice blockage Check with a spirit level that the heat pump is installed horizontally Incorrect positioning of the heat pump risks reduction of performance The unit with water heater must be placed indoors in an area with a floor drain The unit with water heater must be placed indoors on a stable surface The floor must be able to support the gross weight of the unit with filled water tank see Technical data Avoid placing the heat pump near windows or walls to noise sensitive areas Ensure that there is sufficient distance to neighbouring properties so that they are not exposed to noise Ap plicable local regulations must be followed The heat pump should not be enclosed Keep the heat pump an
35. meter Meaning NAME ALARM Displays information about up to 10 alarms and alarm times NAME Name of the alarm example AUX HEATER TIME hours minutes example 20 45 DATE day month year example 13 jan 11 VMBQY102 Thermia Varmepumpar nm K Installation Guide Atec 8 SERVICE menu 8 1 Menu overview N To be able to chose a specific function the sensor for that function must be connected HOTWATER HEATING COOLING AUX HEATER MANUAL TEST INSTALLATION SYSTEM HEAT SOURCE POOL DISTRIBUTION CIRCUIT 1 2 BUFFER TANK OPTIMUM CURRENT LIMITER START UP CHECK SERVICE TIME FACTORY SET RESET OPER TIME SENSOR CALIBRATION VERSION LOG TIME DEFROST OPTIMUM BUFFERTANK 8 2 HOT WATER Parameter Meaning START Start temperature for hot water production Shows the actual weighted hot water temperature and the value within brackets indicates the start temperature 5 no hot water production Factory setting 40 C range 5 30 C 55 C HOT WATER TIME _ Time for hot water production during combined hot water demand and heating or cooling demand in minutes Factory setting 20M range 5M 40M TOPH INTERVAL Time interval between peak heating chargings anti legionella function in days Operating mode that permits auxiliary heater must be selected Factory setting 7D range gt 1D 90D TOPH TIME Time in hours that the legionella demand is to
36. n be connected one using a shunt The shunt is controlled by the heat pump control system The flow line temperature is controlled with reference to the outside temperature following a set heat curve The additional heater starts automatically on demand The auxiliary heater carries out peak heat ing charging anti legionella function in those operating modes that permit auxiliary heat Thermia V rmepumpar VMBOY102 nm N Installation Guide Atec Buffer tank is installed for equalisation of the temperature for the heating system and to guarantee sufficient energy when defrosting The buffer tank volume must be 10 I kW heat pump output for systems with water heaters For postition explanations see the chapter Symbol Key 1 1 i 069 O System solution Atec Total with cooling and swimming pool With two distribution circuits and external heater with a shunt There are two accessories a cooling system and a swimming pool For postition explanations see the chapter Symbol Key VMBOY102 Thermia V rmepumpar nm K Installation Guide Atec Symbol key The following symbol key applies to all system solutions Pos Description Pos Description 5 Heat pump unit 80 Shut off valve 10 Supply line 83 Non return valve 11 Return line 85 Air bleeding valve 12 Cold water 87 Safety
37. nction that is used in certain countries to control electrical consumption Up to eight calendar settings can be defined Under CALENDAR SETTING first select the menu TIME FUNCTION if stop should be over a continuous time peri od DATE or be recurring DAYS WEEK Then start and stop times are selected in the TIME SETTING menu SILENT MODE Function where the noise level of the heat pump fan is reduced Up to eight calendar settings can be defined Under CALENDAR SETTING first select the menu TIME FUNCTION if reduction should be over a continuous time period DATE or be recurring DAYS WEEK Then start and stop times are selected in the TIME SETTING menu TEMP REDUCTION Function for reduction of temperatures The new setpoints are those values that are stated for heat curve shunt groups and buffer tank in the information menu Up to eight calendar settings can be defined Under CALENDAR SETTING first select the menu TIME FUNCTION if reduction should be over a continuous time period DATE or be recurring DAYS WEEK Then start and stop times are selected in the TIME SETTING menu CONCRETE See description in the section Concrete drying DRYING PROG Thermia V rmepumpar VMBOY102 Installation Guide Atec Thermia N Menu selection SVENSKA ENGLISH DEUTSCH NEDERLANDS FRANGAIS ESPANOL ITALIANO NORSK DANSK SUOMI EESTI POLSKI CESTINA Para
38. ng and hot water is positioned after the heat pump and the auxiliary heater Hot water production is prioritised ahead of heat and cooling Two heating circuits can be connected one using a shunt The shunt is controlled by the heat pump control system The flow line temperature is controlled with reference to the outside temperature following a set heat curve The additional heater starts automatically on demand The auxiliary heater carries out peak heat ing charging anti legionella function in those operating modes that permit auxiliary heat Buffer tank is installed for equalisation of the temperature for the heating system and to guarantee sufficient energy when defrosting The buffer tank volume must be 10 I kW heat pump output for systems with water heaters Water heater is available as an accessory VMBOY102 Thermia V rmepumpar nm K Installation Guide Atec For postition explanations see the chapter Symbol Key O System solution Atec Total Atec Total includes the control module with supply and return pipe sensors circulation pump 3 way valve electric auxiliary heater and water heater The heat pump produces heat cooling and hot water Production of heating and hot water cannot occur at the same time because the exchange valve for heating and hot water is positioned after the heat pump and the auxiliary heater Hot water production is prioritised ahead of heat and cooling Two heating circuits ca
39. nimum flow presented below HP Size 6kW 9kW 11kw 13kW 16kW 18kW l min 7 9 11 5 14 5 16 7 19 8 23 7 N Insufficient flow in the system may result in high pressure or low heat circulation flow alarms 4 3 Safety valves Warning Radiator systems with a closed expansion tank must also be eguipped with an approved manometer and a safety valve minimum DN 20 1 5 bar opening pressure or according to country specific reguirements Warning Cold and hot water pipes and overflow pipes from safety valves must be made of heat resistant and corro a sion resistant material e g copper The safety valve overflow pipes must have an open connection to the drain and visibly flow into this in a frost free environment Warning The connecting pipe between the expansion tank and the safety valve must slope continuously upwards A a continuous upwards slope means that the pipe must not slope downwards from the horizontal at any point 4 4 Connection heating and hot water 4 4 1 Connect cold and hot water lines 1 Connect the cold water and hot water pipes with all the necessary components according to the connection diagram for the rele vant system For information on how flexible hoses should be installed see Flexible hoses 1 Connect the supply pipe with a flexible hose connection and with all the necessary components 2 Connect the return pipe with a flexible hose connection and with all the necessary components including a filter
40. nnecting room sensor B27 Fig 13 Connect room sensor 5 10 Connecting system circulation pump Fig 14 Connect system circulation pump Fig 15 Connect control signal to circulation pump with variable speed 5 11 Connecting circulation pump distribution circuit 1 Fig 16 Connect circulation pump distribution circuit 1 Fig 17 Connect circulation pump distribution circuit 1230VAC Thermia V rmepumpar VMBQY102 nm N Installation Guide Atec Fig 18 Connect the electrical drip tray cable 5 13 Connecting the communication cable UV resistant twisted pair data telephone cable for outdoor use Screened cable with the screened connection at the end of the earth terminal Maximum cable length is 30 metre Fig 19 Connect to the heat pump outdoor Fig 20 Connect to the control unit indoor 5 14 Connecting the power supply Connect power cable to heat pump unit and to terminal block in control centre as below Danger Electrical current The power cable may only be connected to the terminal block intended for this purpose A No other terminal blocks may be used I 2 1 o2 I 6 45 Fig 21 Connect 400V 3 N Fig 22 Alternative connect 230V 1 N VMBQY102 Thermia V rmepumpar nm K Installation Guide Atec 5 15 Connecting the immersion heater cable Fig 23 Connect immersion heater cable 5 16 Connecting the swimming pool sensor B28 O AAA com Fig 24 Connect swimming pool
41. ol unit Atec Standard 1 Lead in for supply sensor and communication cables o arat O a 600 380 204 Thermia V rmepumpar VMBQY102 nm N Installation Guide Atec Control unit Atec Plus D M M 1 1 Supply line for heating system 28 mm Cu 2 Supply line to water heater 28 mm Cu 3 Supply line from heat pump 28 mm Cu S 4 Lead in for supply sensor and communication cables Tao 1255 O 06 0000 4 0000 Control unitAtec Total t Ei l on n 1 Supply line heating system 28 mm Cu 2 Return line heating system 28 mm Cu 3 Connection for bleed valve 22 mm Cu 4 Hot water line 22 mm Cu 5 Cold water line 22 mm Cu 6 Lead in for supply sensor and communication cables 7 Supply or return line heat pump i 8 Supply or return line heat pump 9 Extra knock out 10 Safety valve for temperature and pressure only applies to certain models Position 7 and 8 can be connected to either the left or right hand side or at the bottom of the control unit 1255 Sa O 4 amp 4 455 690 596 O 9 O O 6 888 A VMBQY102 Thermia V rmepumpar nm K Installation Guide Atec 4 Piping installation Caution Piping installation must be carried out in accordance with applicable local rules and regulations The hot wa ter tank must be equipped with an approved safety valve To pr
42. oor temperature of 5 C Shown in the graph for CURVE Factory setting 0 C range 5 C 5 C DURING COOLING During production of cooling the shunt group can be adjusted Factory setting AUTO range AUTO OPEN CLOSED VMBQY102 Thermia V rmepumpar Installation Guide nm K Atec Parameter Meaning CONSTANT TEMP Controlling the shunt group against a constant temperature is an alternative to the control using a heat curve given above Control using constant temperature is selected using the parameter CONSTANT TEMP in the Serv ice menu Factory setting 18 C range 10 C 30 C SETBACK TEMP The temperature the shunt group works with when the temperature reduction is activated in the menu CALEN DAR Factory setting 18 C range 10 C 30 C 7 5 HOT WATER Parameter Meaning HOT WATER Allows hot water production Factory setting y range ch ON TOP UP Forced hot water production with compressor and aux heater Factory setting gt range y ON 7 6 COOLING Parameter Meaning COOLING Allows production of cooling Factory setting y range y ON START Temperature on the return sensor for start of cooling production Factory setting 25 C range STOP 5 C MAX START TEMP STOP Temperature on the supply line sensor for stop of cooling production Factory setting 16 C range MIN STOP START 5 C COOLINGMODE With stated or higher ou
43. owest of the tempera tures calculated by the system as a standard setting is set AUTO mode is not available in this selection Factory setting AUTO range AUTO 20 C 55 C OVERCHARGE The temperature of the buffer tank can be raised so that it exceeds the heat curve temperature Can only be used when TANK TEMP AUTO Factory setting 0 C range 0 C 5 C TOPH TANK Activate high temperature mode when the external auxiliary heater is selected The external auxiliary heater will heat the tank to the highest permitted tank temperature Factory setting 4 range KN ON RED TANK TEMP The function permits a reduction of the temperature in the tank when the temperature reduction is set to active in the CALENDAR menu The temperature that is set in the tank is calculated by the system when the function has been activated The function is only active at CONFIGURATION TANK CONTROL and all configured circuits are set to shunt at constant temperatures Factory setting ch range W ON 7 9 OP DATA Parameter Meaning OUTD Shows the temperature on the outdoor sensor ROOM Shows the temperature on the room sensor SUPPLY LINE Shows the temperature on the supply line sensor The calculated supply temperature to the heating system group is within brackets RETURN LINE Shows the temperature on the return line sensor The stop temperature MAX RETURN is within brackets SYSTEM SUPPLY Displays the temperature of the system supply line sensor at the buffer t
44. pace for expansion card accessory 5 Space for communications card accessory 6 Space for terminal block for expansion card accessory 7 Overheating protection Fig 3 Control unit 5 3 Electrical cabinet in heat pump Position Description i 1 Heat pump card W 2 Expansion valve card K 3 Soft starter KN 4 Overcurrent protection W 5 Terminal block N 6 Capacitor only for 230V 1N Fig 4 Electrical cabinet 5 4 Cable connection N Laying electrical wiring can also cause noise so this installation must be carried out appropriately An appro priate installation is where there is approximately 300 mm free cable between the heat pump and the build ing It is inappropriate to bolt trunking between the heat pump and the wall This is because vibrations can then be transmitted from the heat pump through the trunking to the walls of the house UV resistant cable must be used for outdoor power cables Cable choice must follow applicable local and national regulations UV resistant twinned pair date telephone cable must be used for outdoor communication cables The cable must be screened with the one end of the screening it does not matter which end earthed in a ground block The cable section area must be a minimum of 0 25 mm When the power cable is connected to the terminal block a screwdriver is used to open the terminal block Thermia V rmepumpar VMBQY102 nm N Installation Guide Atec Insert the screwdriver Straighten the scre
45. plier s instructions for mixing but if none is given 35 is the lowest concentration recommended To order and for more information about the intermediate exchanger and the circulation pump contact Thermia Caution No glycol mixtures may be used in systems with hot zinc dipped pipes or components A VMBOY102 Thermia V rmepumpar N Installation Guide Atec et OX O y O Position Name Position Name 5 Heat pump unit 82 Adjustment valve 38 Circulation pump 96 Flexible hose 65 Intermediate exchanger 100 Safety valve 1 5 bar 71 Flow sensor 112 Expansion vessel closed Thermia V rmepumpar VMBQY102 nm N Installation Guide Atec 4 5 Noise information 4 5 1 Installation of the heat pump To prevent disturbing noise from the heat pump the following recommendations should be observed In the event the heat pump is positioned on a vibration sensitive base vibration dampers should be used The vibration dampers must be correctly dimensioned with regard to the heat pump s weight so that static spring depression of at least 2 mm is obtained in all mounting components Connection of the heat transfer fluid to the heat pump must be made using a flexible hose to prevent transmission of vibration to building construction and the pipe system see Flexible hoses Ensure that pipes at lead ins are not lying against the walls Ensure that the electrical supp
46. r starts Factory setting 20 C range 16 C 30 C FAN START The fan starts when the temperature on refrigerant sensor 1 reaches the set value If FAN START is set to ON the fans starts and stops at the same time as the compressor and the FAN STOP pa rameter is inactive Factory setting 10 C range ON 5 C FAN STOP 3 C FAN STOP FAN SPEED The fan stops when the temperature on refrigerant sensor 1 reaches the set value Factory setting 25 C range FAN START 3 C 30 C To control the fan speed In AUTO mode the fan speed is controlled automatically depending on demand At a setting between 60 100 the fan speed is locked in the set value Factory setting AUTO range AUTO 60 100 FAN MAX Fan may increase speed to set value as maximum The value can be lowered to reduce noise level at the cost of performance Factory setting Depending on compressor size range 6 7V 8 9V DEFR HP STOP Defrosting is initiated earlier when heat pump is stopped Factory setting Y range y 5 C 7 C VMBOY102 Thermia V rmepumpar nm N Installation Guide Atec 8 9 OPTIMUM Parameter Meaning TEMP DIFF CIRC Desired temperature difference between supply and return line for the heating system Factory setting 8 C range 0 C 15 C ch START FLOW CIRC Setting the speed a speed controlled circulation pump must start with Check using MANUAL TEST gt CIRC PUMP which sp
47. r the system s circulation pump must be used for cooling Not displayed if ex ternal auxiliary heater is selected Factory setting ON range e ON DISTRIBUTION Indicates if the shunt group must be controlled by a heat curve or by a constant temperature CIRCUIT 1 2 Factory setting HEAT CURVE range HEAT CURVE CONSTANT TEMP OPEN CIRCUIT At the selection OPEN CIRCUIT the shunt outputs are not ac tive but the temperature for shunt group is displayed in the OP DATA menu Open circuit cannot be used in connection with CONFIGURATION TANK CONTROL or if external auxiliary heat eris configured The option 5 OFF deactivates the shunt group function fully The menu only appears if SHUNT GROUP sensor is connected SHUNT TIME DC 1 2 Indicates shortest permitted time between control signals to the shunt Factory setting 60S range 10S 99S DISTR 2 PUMP COOL Indicates whether the circulation pump for shunt group must be used for cooling Factory setting ON range Y ON HEAT STOP Indicates if heating the buffer tank is to be influenced by HEAT STOP DEPENDENT A condition is that CONFIGURATION TANK CONTROL Factory setting YES range NO YES POOL CIRCUIT Used to indicate where the reversing valve for pool is located The system supply circuit cannot be used if exter nal auxiliary heater is configured Factory setting SYSTEM SUPPLY range SYSTEM SUPPLY DISTRIBUTION CIRCUIT 1 DISTRIBUTION CIRCUIT 2 M
48. rnal auxiliary heater Determines whether the external auxiliary heater may produce hot water Factory setting INT range INT EXT TOPH EXT Indicates whether the external auxiliary heater can be used for anti legionella The reversing valve must be positioned after the external auxiliary heater Factory setting K range y ON SHUNTTIME EXT Indicates the shortest permitted interval between control signals to the shunt Factory setting 60S range 10S 99S 8 6 MANUAL TEST Parameter Meaning MANUAL TEST 0 deactivate manual test 1 activate manual test 2 activate manual test with option of navigating from the SERVICE menu to check that the temperatures rise for example COMPRESSOR 0 stop compressor 1 start compressor Thermia V rmepumpar VMBQY102 nm N Installation Guide Atec Parameter Meaning CIRC PUMP 0 stop circulation pump system SYSTEM 1 start circulation pump system CIRC PUMP 0 10V for test of speed controlled circulation pump Depending on type and number of connected circulation pumps this parameter will contain different informa tion In the event of pumps with fixed speed the selection 0 stop and 1 start are available FAN 0 10V for test of the speed controlled fan FOUR WAY VALVE 0 four way valve is set for heating 1 four way valve is set for defrosting cooling EXPANSION VALVE 0 100 for test of electronic expansion valve
49. sos esko k eee eee ee ee ee ee teen eet ee eee eee 45 91 General safety precautions nc a Co eed Berea EI ie ek a E kh he N a al 45 NN 46 9 3 ElectricalicONNECTION secos se si aaa RR GE rt poet ru AE OR EE Oe Raw a isa 47 94 Water Quality ici A Gow ebb a WG Mak we ar Sa aea 47 9 35 COMMISSIONING s as fs de eka AAA IA A ART ia E ARE 48 VMBOY102 Thermia V rmepumpar nm K Installation Guide Atec 1 About documents and decals 1 1 Introduction The following documents are available for this product The Wiring diagrams that contain the wiring diagram for the heat pump intended for fault tracing and service The Wiring diagrams are available for download as below The User manual must handed over and gone through with the end customer Supplied with the heat pump on delivery Country specific instructions and forms are available where relevant Supplied with the heat pump on delivery Self adhesive decals with translation text Must be placed on the manufacturing plate in conjunction with installation Supplied with the heat pump on delivery The Service instructions and Wiring diagrams are available for download here www thermia com documents 1 2 Symbols in documents The instructions contain different warning symbols which together with text indicate to the user that there are risks involved with ac tions to be taken The symbols are displayed to the left of the text and three different symbols are used to indicate
50. t trea A ted in the appropriate way Draining and refilling must only be carried out using new refrigerant for the amount and type of refrigerant see manufacturer s plate through the service valves Caution All warranties from Thermia are void if when filling with refrigerant other than Thermia V rme AB specified 4 refrigerant if there has not been written notification that the new refrigerant is an approved replacement re frigerant together with other remedies Caution When the heat pump is to be scrapped the refrigerant must be extracted for disposal Local rules and regula a tions related to the disposal of refrigerant must be followed 9 3 Electrical connection Warning Hazardous electrical voltage The terminal blocks are live and can be highly dangerous due to the risk of elec a tric shock All power supplies must be isolated before electrical installation is started The heat pump is con nected internally at the factory for this reason electrical installation consists mainly of the connection of the power supply Caution Electrical installation may only be carried out by an authorized electrician and must follow applicable local A and national regulations Caution The electrical installation must be carried out using permanently routed cables It must be possible to isolate Y the power supply using an all pole circuit breaker with a minimum contact gap of 3 mm The maximum load for externally connected units is 2A 9 4 Water q
51. tdoor temperatures cooling production is permitted ACTIVE Factory setting 25 C range HEAT STOP 3 C 50 C 7 7 POOL Only appears if the function is activated in menu SERVICE gt INSTALLATION SYSTEM gt POOL Parameter Meaning POOL TEMP Temperature from separate pool sensor where the heat production for the pool is stopped Factory setting 20 C range N 5 C 40 C POOL HYSTERESIS When the temperature in the pool falls below the value of POOL TEMP minus the value of POOL HYSTERES the production of heating for the pool is started Factory setting 2 C range 1 C 10 C Thermia Varmepumpar VMBQY102 Installation Guide nm N Atec 7 8 BUFFER TANK The menu only appears if the function is activated in menu SERVICE gt INSTALLATION SYSTEM gt BUFFER TANK Parameter Meaning TANK TEMP Indicates desired temperature for buffer tank The temperature is controlled dependent on the selection made in the Service menu Standard setting is AUTO if at least one circuit is set to be controlled by the option HEAT CURVE IN SERVICE gt BUFFER TANK and that all configured circuits out from the tank are shunted i e not open circuits AUTO means that the temperature in the tank follows the settings for the heat curve At CONFIGURATION TANK CONTROL and all configured circuits are set to shunt at constant temperatures the l
52. uality Caution A normal heating system always contains a certain amount of corrosion particulates rust and sludge prod A ucts from calcium oxide This comes from acid that is naturally occurring in the fresh water that the system is filled with It is not good practice to have to fill the heating system regularly which is why any leakage in the heating system should be repaired immediately Normal filling should occur only once or twice a year The water in the heating system should be as clean as possible always position the dirt filter on the return line from the heating system to the heat pump as close to the heat pump as possible Caution Hard water Normally it is not a problem installing a heat pump in areas with hard water because the normal 4 operating temperature for the hot water does not exceed 60 C In areas where there are exceptional prevail ing conditions with the water one can install a softening filter which softens the water cleans any impurities and prevents the build up of calcification Thermia V rmepumpar VMBQY102 Thermia N Installation Guide Atec 9 5 Commissioning Caution The installation may only be commissioned if the heating system and brine system have been filled and bled Y Otherwise the circulation pumps can be damaged Caution If the installation is only to be driven by the immersion heater during the installation ensure that the heating 4 system is filled and the brine pump and compressor cannot be starte
53. valve 9 bar WW 13 Hot water 91 Dirt strainer with shut off valve 18 Hot water storage tank 96 Flexible hose 21 Volume tank 100 Security valve 1 5 bar 33 Circulation pump shunt additional heater 101 Reversing valve pool 36 System circulation pump 103 Pool heater exchanger 40 Control unit 107 Shunt valve distribution circuit 1 50 Outdoor sensor 108 Supply line sensor distribution circuit 1 Thermia Varmepumpar VMBQY102 N Installation Guide Atec Pos Description Pos Description 51 System supply line sensor 109 Circulation pump distribution circuit 1 52 Return line sensor 112 Expansion vessel hot gas 53 Hot water starting sensor 114 Immersion heater 55 Hot water sensor top TWC 117 Additional heater 60 Sensor pool 120 Fan coil 62 Room sensor 133 Shunt valve distribution circuit 2 63 Shunt valve additional heater 134 Supply line sensor distribution circuit 2 64 Supply line sensor mixing valve 135 Circulation pump distribution circuit 2 77 Diverting valve hot water 355 Connecting self regulating heating cable for drip tray 79 Reversing valve cooling tank System solution intermediate exchanger To safeguard against the pipes freezing an intermediate exchanger can be installed indoors In such cases one must use glycol intended for refrigerant applications in the circuit to the heat pump unit and an extra circulation pump Follow the sup
54. wdriver Push the screwdriver down to release the cable lock Insert the cable and hold it in place Pull the screwdriver out Check that the cable is secured by carefully pulling on the ca ble AVR W Ns Fig 5 Connecting power cable to terminal block 5 5 Connecting the outdoor sensor 5 The outdoor sensor is connected by a two core cable A maximum cable length of 50 m applies for a cross section of 0 75 mm For greater lengths a cross section of 1 5 mm is used up to a maximum of 120 m Then connect the sensor to the heat pump outdoors or the heat pump s control unit indoors A DA N a Fig 6 Connect to the heat pump outdoor Fig 7 Connect to the control unit indoor 5 6 Connecting supply and return pipe sensors Atec Standard no sensors connected upon delivery Atec Plus supply line sensor connected upon delivery Atec Total both sensors connected upon delivery Fig 8 Connect supply line sensor Fig 9 Connect return line sensor 5 7 Connecting supply line sensor distribution circuit 1 B24 08 poo nnen 1183 rr com Fig 10 Connect supply line sensor distribution circuit 1 VMBOY102 Thermia V rmepumpar nm K Installation Guide Atec 5 8 Connecting sensors to external water heater B20 B21 DE ce SES SERENA mal ooo oo Ole eden 114 I I a com com Fig 11 Connect hot water sensor top Fig 12 Connect hot water sensor start 5 9 Co

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