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1. circulation pump A If a fixed speed circulation pump is used may be the case for Atec Standard do the test according to the next chapter Constant speed circulation pump Optimum variable speed circulation pump is factory installed in Atec Plus and Atec Total The OPTIMUM option is however not activa ted from factory If the flow in the circulation pumps need to be adjusted see chapter Adaptation of the heating system The following settings are made in the MANUAL TEST menu To activate MANUAL TEST see description above Use or to move up and down in the menu VIGFG102 Thermia V rmepumpar om s Commissioning Atec N The OPTIMUM function must be activated See Activation of optimum variable speed pump in the chapter Configuration of control system In the MANUAL TEST menu 1 Use or to navigate to the CIRC PUMP entry Press 4 to set circulation pump speed Set a value between 3096 and 10096 Checkthat the circulation pump is running by listening and or placing a hand on the circulation pump 2 Stop the circulation pump by setting the CIRC PUMP value to 0 Constant speed circulation pump The constant speed circulation normally have three speed settings Low 1 medium 2 and high 3 These settings are done directly on the circulation pump See circulation pump manual for further information The following settings are made in the MANUAL TEST menu To activate MANUAL TEST see description above
2. Use or to move up and down in the menu In the MANUAL TEST menu 1 Use or to navigate to the CIRC PUMP entry Press 4 start circulation pump system 1 Press left arrow lt once Use or to navigate to the CIRC PUMP entry Press to activate the circulation pump 1 Checkthat the circulation pump is running by listening and or placing a hand on the circulation pump 2 Stop the circulation pump by setting the CIRC PUMP value to 0 7 3 Test reversing valve if installed for hot water 1 Activate the reversing valve by setting the value REV V HOT WATER to 1 2 Checkthat the indicator on the reversing valve s upper side changes position 7 4 Test the compressor 1 Start the circulation pump by setting the value CIRC PUMP to 1 OPTIMUM not selected 30 100 OPTIMUM selected Start the compressor by setting the value COMPRESSOR to 1 Check that there are no strange noises If it sounds abnormal refer to the Service instructions Check that the pressure pipe gets hot See image Risk of burn injury vu PwN Caution If the pressure pipe remains cold or there is abnormal noise from the compressor check the electrical installation The A phases may have been shifted so the compressor runs back wards 6 Stop the compressor by setting the COMPRESSOR value to 0 7 Stop the circulation pump by setting the CIRC PUMP value to 0 Fig 4 The pressure pipe 1 should get hot during operation Ther
3. example automatic radiator valves may open or close depending on the temperature 6 1 2 Find start flow manually N This setting is a manual alternative to the FIND START FLOW function which runs automatically when activa ted The start flow is maintained for one minute After one minute the circulation pump and control system takes over the speed control Default setting 7V range 3V 10V 30 10096 The following settings are made in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left arrow for at least 5 seconds Use or to move up and down in the menu SERVICE OPTIMUM START FLOW CIRC Press to set the start circulation pump speed See note below Press left arrow several times to exit the SERVICE MENU Thermia Varmepumpar VIGFG102 lt Commissioning Atec A Start with a high setting for example 10V Check that the circulation pump is running by listening placing a hand on the circulation pump and listen for air in the system If no flow is registered at 10V check the system for air and bleed if necessary See chapter Filling and bleed ing Also check that all heat system valves are open If flow is detected normally within 60 seconds decrease the setting by 10 1V until the flow is so low that the F in the default display disappears You must exit the SERVICE MENU and enter the default display for each decrease in speed Note the last rea
4. exit the Information Menu A When the operation is set to HOT WATER mode the reversing valve hot water is set towards the heating sys tem To minimize the risk that the outdoor unit freezes at low outdoor temperatures that is below 5 C the reversing valve hot water is set towards the water heater and the circulation pump starts to ensure a sufficient flow When the outdoor temperature is above 5 C the circulation pump stops and the reversing valve hot water is set towards the house the heating system again 5 5 Activate the electrical auxiliary heater in Atec Plus and Atec Total If the heat demand is greater than the heat pump s compressor capacity the immersion heater engages automatically in operating mode AUTO Atec Plus and Atec Total has three outputs IMM HEAT 1 IMM HEAT 2 and IMM HEAT 3 and output can be controlled in five steps The two power steps step 4 and step 5 for Atec Plus and Atec Total cannot be activated when the compressor is running Immersion heater step 4 and 5 can be selected 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 electrical installation is suitable for high current con sumption In the event of an alarm the immersion heater engages automatically on the condition that operating mode AUTO is selected and that at least one additional step is permitted In Atec Plus and Atec Tot
5. gt to enter the optimum function The off symbol y is shown Press 4 to activate the optimum function ON will appear to confirm the setting 5 4 Set hot water start temperature and activate hot water The default hot water start temperature is 40 C If another start temperature is desired change the start temperature setting in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left arrow for at least 5 seconds Use or to move up and down in the menu Setting the hot water start temperature in the SERVICE menu SERVICE Press right arrow gt to enter HOT WATER menu Press right arrow gt to activate START sub menu Press plus to enter START sub menu Press plus 4 to set the desired temperature Press left arrow several times to exit the Service Menu Activate hot water production The following settings are made in the Information Menu To enter the Information Menu press left arrow lt Use or to move up and down in the menu Thermia Varmepumpar VIGFG102 em N Commissioning Atec Activating the hot water production in the INFORMATION menu INFORMATION Press minus to get to the HOT WATER entry Press right arrow gt to select hot water Press right arrow gt to activate hot water sub menu Press plus to activate the hot water production ON will appear to confirm the setting Press left arrow several times to
6. 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 11 2 5 Scrapping Caution When the heat pump is to be scrapped the refrigerant must be extracted for disposal Local rules and regula 4 tions related to the disposal of refrigerant must be followed 11 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 4 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 Caution A normal heating system always contains a certain amount of corrosion particulates rust and sludge prod 4 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 practic
7. roe Bete Peas wh eee be ame heed oad arene oe 32 11 5 COMMISSIONING isse hee ero ku yo eed GPE ON AA ES Ca mr EORR S ae AD Shed CR 33 Thermia Varmepumpar VIGFG102 em N Commissioning Atec 1 About documents and decals 1 1 Introduction The following documents are available for this product Installation quick guide containing information to install a heat pump Supplied with the heat pump on delivery The Service instructions contain information about the heat pump s function accessories fault tracing and technical data The in structions also contain tips and advice that should be followed before a heat pump installation It is therefore recommended that the instructions are read before installation The Service instructions are available for download as below 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 Sym
8. the MANUAL TEST menu Press button to select option 2 Press left arrow once to exit N The test cases in the table below are available in MANUAL TEST Required test cases are described in the chap ters that follows Test cases not described are optional Parameter Meaning COMPRESSOR 0 stop compressor 1 start compressor SYSTEM 0 stop system circulation pump CIRC PUMP 1 start system circulation pump 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 SOLENOID 0 closed solenoid 1 open solenoid Thermia Varmepumpar VIGFG102 em N Commissioning Atec Parameter Meaning 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 IMM HEAT 1 0 stop of internal immersion heater power stage 1 1 start of internal immersion heater power stage 1 IMM HEAT 2 0 stop of int
9. Commissioning Atec Thermia www thermia com Thermia Varmepumpar 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 Copyright Thermia Varmepumpar om s Commissioning Atec Table of Contents 1 About documents and decals eee eee KKK ee ee eee ee e ee eee mn 4 13 Introd ction iussu a nace UR ORG ORG aa we REOROR ee RI eH Ow DE RO UR GRE RUP Ue E Rog pe RN 4 1 2 Symbols in dOcuMents lt aydaa aa e eth ck Rest gore omoes ce e Qt a eere dope eo bo qo ene e eh 4 13 Symbolson decals sssusa aided ast ey HI RP SE P Ies Acme es oben 1 aedes n Regu ds REL eR 4 2 Checking piping and electrical installation eeeeeeee e e teens 6 2 1 Checking the piping installation eem rs 6 22 Checking the electrical installation 4 2 enses Rr Rye we Rw RR Rem RR RR RE EL mm E E RC 7 Fillingand bleeding 4s RERO ERROR wba RURSUS ADR DRE ws Ser ca CRURA TTA KAAT D 8 4 Setting heat pump size eeeeeeeeeeeeeeeeeeese hh n hh eee tt 9 44 Settingheat pump sizes ius aae ee aos ne K n ve RUE or RR bed E E NUR EAT I S Rea 9 5 Configuration of control system ceeeeeeeeeeeeee eee hh n hi f tn 10 51 Select display language iy eer RR eo eee ace xe eee e Rene RE PH EE LU eee 10 5 2
10. Factory Setting ke Rx ox x RR ERE SEES ee NOS E E ESR VOR EOE CE Re eet RR GU o s 10 5 3 Activation of optimum circulation variable speed pump llle 11 5 4 Set hot water start temperature and activate hot water lka Ke 11 5 5 Activate the electrical auxiliary heater in Atec Plus and Atec Total soseen 12 5 6 Activate electrical auxiliary heater in Atec Standard llle 13 57 Activate active COOling iure adie ec eh wins Ve ea a e SOR Hew ala HORS We e eoe Rad e eH ale 14 5 8 Distribution circults are he dor eb eee ee Cw a ak hoa Reed Ge OG eee eg 15 6 Findstartflow saas ccu mrt RR aie laatan ah jail ln man ui e RR eed wb ew d 16 61 FindingastartfloW usvaa saa RR o XR eR ch RE RUE MR EY FEE go eae e 16 7 Manualtest 42 21 6993 pd DOC SACCO ee DLE EA EHE Rr EATUR Sarde Ec Ea RR V N n Rn ROR 19 8 Starting up 505030 maja are KA Bw S LEUR TE RR UR A ASE RANA E 88 IR TNCS LRL NUR d iie ase OUI MID 24 9 Tuning the system 45e Rhe E tice KUN RA RES RR S IRR RU CAI CRUS QPL RSEN NCR TRATTO CARENS eee 26 10 Installation protocol and customer info cceeeeeeeeeeeeee e hh hn 29 11 Important information Safety regulation cele eh e hh hn 30 11 1 General safety precautions llle hh rs 30 11 2 Reffigerant i 145 3o P tenet ree de tede tra obice s C aede p UMS reda a c eed ata 31 11 3 Electrical CONNECHON ses ascend oF eee ea ORG Ae OR eae RT RU PE wa Se ww ae lee RS 32 TEA Waterquality sc 2k od
11. Hot water sensor 62 21 55 Pot water top sensor me Defrost sensor Mil b Flow guard Drip tray 362 y Shunt valve xplanation l l l ELE Component ordinary delivery according to proposed sys 304 Circulation pump tem solutions 363 y Exchange valve hot water Component accessorie according to proposed system sol LA utions P t 7365 y Supply line sensor 366 y Return line sensor PES 1 3 3 Pipe connections gt Tap water Heating system TIR goy Brine system Defrosting tank Expansion tank with safety valve brine Air bleeding Temperature and pressure relief valve Outdoor unit Water heater gt Ge N gt EG rm Thermia Varmepumpar VIGFG102 na N Commissioning Atec 2 Checking piping and electrical installation 2 1 Checking the piping installation Before filling the heating system check the piping installation according to the checklist below For further information also see the Installation Ouick Guide Piping checklist OK Not OK Are the pipe connections in accordance with the connection diagram Are the flexible hoses on the supply and return lines installed on the outdoor unit Is the strainer on return line mounted See figure 1 Is an expansion vessel installed Is a valve pipe with safety valve and manometer installed Is a volume tank installed See Volume tank table below Is a filler cock with non return valve heati
12. al a multi power stage heater IMM HEATER is factory installed The heat pump control system engages the appropriate amount of heating power to ensure the desired heating system temperature Below is a table describing the different power steps In power steps 1 3 4 and 5 the compressor and the electrical auxiliary heater can be engaged at the same time In power steps 4 and 5 only the electrical auxiliary heater is engaged N Power steps 4 and 5 can only be engaged for 400V 3 N electrical auxiliary heater Caution Check installed fuses before making any settings A VIGFG102 Thermia V rmepumpar mm s Commissioning Atec Power Heating power in kW Control panel single phase 1 N fuse size Control panel three phase 3 N fuse size A steps A 1 3 immersion heater only 16 10 2 6 immersion heater only 30 16 3 9 immersion heater only 40 16 4 12 immersion heater only 20 5 15 immersion heater only 25 4 12 immersion heater com 25 pressor 5 15 immersion heater com 25 pressor 230V 1 N Electrical auxiliary heater The following settings are made in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left arrow lt for at least 5 seconds Use or to move up and down in the menu N Electrical auxiliary heater for 230V 1 N Step 3 is highest setting Setting of electric auxiliary heater for 230V 1 N M
13. arried out by authorized persons 11 2 2 Fire risk The refrigerant is not combustible or explosive in normal conditions 11 2 3 Toxicity 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 Thermia V rmepumpar VIGFG102 Thermia Commissioning Atec 11 2 4 Work on the refrigerant circuit Caution When repairing the refrigerant circuit the refrigerant must not be released from the heat pump it must trea 4 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
14. ax step 3 in the SERVICE menu SERVICE AUX HEATER MAX STEP Select max step 400V 3 N Electrical auxiliary heater The following settings are made in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left arrow lt for at least 5 seconds Use or to move up and down in the menu N Electrical auxiliary heater for 400V 3 N Step 5 is highest setting 5 is highest setting Setting of electrical auxiliary heater for 400V 3 N Max step 5 in the SERVICE menu SERVICE AUX HEATER MAX STEP Select max step 5 6 Activate electrical auxiliary heater in Atec Standard N If a single power stage heater is used on off heater can be an oil burner or equivalent this setting is the appropriate one The potential free outputs must be used If a multi power stage heater is installed use the settings in the chapter above Activate the electrical auxili ary heater in Atec Plus and Atec Total Thermia Varmepumpar VIGFG102 om N Commissioning Atec The following settings are made in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left lt arrow for at least 5 seconds Use or to move up and down in the menu Activating the electric auxiliary heater in the SERVICE menu SERVICE AUX HEATER MAX STEP P a Press left arrow lt several times to exit the Service Menu 5 7 Activate active cooling The
15. bols 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 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 4 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 VIGFG102 Thermia V rmepumpar Commissioning Atec 1 3 1 General is Warning danger A Read the documentation provided Read the documentation provided om s n Warning hot surfaces Warning moving parts ja Warning risk of crushing injury A Warning hazardous electrical voltage 1 3 2 Electrical components Outdoor unit 406 Room sensor Outdoor sensor or UR
16. cooling function is primarily temperature controlled and starts when the return line sensor reaches the set value for START Default setting is OFF 5 The heating system is cooled by reversing the heating process and distributing cold water on to the heating system The following settings are made in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left arrow lt for at least 5 seconds Use or to move up and down in the menu Activating active cooling in the service menu SERVICE COOLING INTEGRATED IN HP Press right arrow gt to activate An asterisk appears Active cooling is configured by the parameters shown below Parameter Meaning COOLING TIME When the heat pump must alternate between different demands for example heating hot water pool heating and cooling cooling will be produced according to the set number of minutes Factory setting 20M range 5M 40M MAX START TEMP Outdoor temperature when the cooling should start Factory setting 30 C range COOLING gt START 55 C MIN STOP TEMP Supply line temperature when the cooling should stop NOTE Too low temperature may result in condensation on the radiators Factory setting 16 C range 5 C COOLING gt STOP ROOM SENSOR Activation of room sensor function for influencing cooling production NOTE Room sensor must be installed and activated Factory setting y range N ON COOL HYST RS This sett
17. d return line should be 7 10 C If this is not reached the flow of the circulation pump may need adjusting depending on the applicable heating system The circulation pump must provide sufficient flow in the system This to ensure that the defrosting of the outdoor unit is secured and to allow the heat pump to start Sufficient flow is indicated by an F in the default display flow sensor closed A A high setting may result in noise and vibrations in the heating system Atoo low setting may result in high pressure or low heat circulation flow alarms VIGFG102 Thermia V rmepumpar gt s Commissioning Atec Adjusting the speed for the constant speed pump Start with maximum speed setting Check that the circulation pump is running by listening placing a hand on the circulation pump and listen for air in the system If flow is detected normally within 60 seconds decrease the setting until the flow is so low that the F in the default display disap pears N If no flow is registered check the system for air and bleed if necessary See chapter Filling and bleeding Also check that the flow sensor is in the correct direction check the arrow on the flow sensor and also that all heat system valves are open Setthe speed on the pump to the value where sufficient flow is guaranteed Check that the delta temperature the difference between the supply line and return line should be 7 10 C The delta is checked in t
18. ding for the F in the display and increase that value by 10 This value is to be used as a setting in START FLOW CIRC VIGFG102 Thermia V rmepumpar mm s Commissioning Atec 7 Manual test Caution The installation may only be commissioned if the heating system and water heater have been filled and bled 4 Otherwise the circulation pump can be damaged Caution Any alarms that may occur in connection with the installation must be fault traced A 7 1 Activate MANUAL TEST N Two people are recommended when doing the manual tests One at the control display and one at the out door unit MANUAL TEST has three options Zero 0 deactivate manual test One 1 activate manual test This option allows navigating only within the MANUAL TEST menu Two 2 activate manual test with the option of navigating out of the MANUAL TEST menu to check temperatures etc Set the heat pump in stand by mode in the INFORMATION menu Press left arrow lt to enter the INFORMATION menu Press right arrow gt to enter the OPERAT menu Press right arrow gt Press button to move down to the Off symbol Press right arrow gt to confirm The asterisk is now to the right of Off symbol Press left arrow several times to exit the Information Menu Enterthe Service Menu by pressing and holding left arrow for at least 5 seconds Press button to navigate to the MANUAL TEST entry Press right arrow gt to enter
19. e 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 VIGFG102 Thermia V rmepumpar N Commissioning Atec 11 5 Commissioning Caution The installation may only be commissioned if the heating system and brine system have been filled and bled 4 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 started This is carried out by setting the oper ating mode to AUX HEATER Thermia Varmepumpar VIGFG102 Thermia N Commissioning Atec VIGFG102 Thermia V rmepumpar Thermia N Commissioning Atec Thermia Varmepumpar VIGFG102 Thermia N Commissioning Atec T
20. ed outdoor temperatures 5 C 0 C and 5 C The supply temperature can be changed by plus minus 5 C O 1 Supply temperature C 2 Outdoor temperature C 3 Local higher supply temperature at 5 C 20 0 5 20 Fig 9 The adjusted curve at 5 C 9 5 HEAT STOP The HEAT STOP function automatically stops all production of radiator heat when the outdoor temperature is equal to or higher than the value entered for heat stop When the heat stop function is activated the circulation pump will be turned off except when hot water is being produced The circula tion pump will be exercised for one minute per day The factory set value for activating heat stop is an outdoor temperature of 17 C If the heat stop function is active the outdoor tempera ture must drop 3 C below the heat stop setting before the heat stop is deactivated and heat production starts again VIGFG102 Thermia V rmepumpar N Commissioning Atec 10 Installation protocol and customer info Fill in the Installation protocol in the User Guide After installation and test operation the customer must be informed about their new heat pump installation In the User guide there is a checklist regarding the information that the installer must give the customer N The serial number must always be given for warranty matters The serial number is on the type plate which is attached to the heat pump and control unit Thermia Varmepumpar VIGFG102 Com
21. ernal immersion heater power stage 2 1 start of internal immersion heater power stage 2 IMM 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 DC 1 0 stop circulation pump in discharge circuit 1 1 start circulation pump in discharge circuit 1 SHUNT DC 1 closes shunt in discharge circuit 1 0 shunt unaffected opens shunt in discharge circuit 1 CIRC PUMP DC 2 0 stop circulation pump in discharge circuit 2 1 start circulation pump in discharge circuit 2 SHUNT DC 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 L HP SHUNT closes return line shunt in systems with buffer tank 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 2 230V on output 201 6 External alarm DIGITAL OUT 5V 0 no voltage on output 204 1 1 5V 2mA on output 204 1 7 2 Test the circulation pump Optimum variable speed
22. eved by changing the CURVE value to adjust the temperature in the house to an even and constant temperature The control computer shows the value for CURVE by means of a graph in the display The heat curve can be changed by adjusting the CURVE value The value for the CURVE indicates which value on the supply temperature is reguired in relation to the outdoor tempera ture A For a temporary temperature increase or reduction adjust the ROOM value instead VIGFG102 Thermia V rmepumpar mm N Commissioning Atec 1 Supply temperature C 2 Maximum supply temperature Pros f 3 Outdoor temperature C 4 4 0 C 5 Value for CURVE is 40 C Fig 6 Graph showing the set value 40 for CURVE In the event of outdoor temperatures below 0 C a higher setpoint value is calculated and in the event of outdoor temperatures greater than 0 C a lower setpoint value is calculated O 1 Supply temperature C 2 Maximum supply temperature 3 Outdoor temperature C 20 0 20 Fig 7 Increasing or reducing the CURVE changes the slope of the curve If the CURVE value is increased the heat curve will become steeper and if the value is reduced it will become flatter If you wish to temporarily increase or reduce the indoor temperature change the ROOM value The difference between changing the ROOM value and the CURVE value is as follows When changing the ROOM value the angle of the curve on the system s heat c
23. fuses installed See fuse table below Positioning of the outdoor sensor See image below Is communication cable between heat pump and control centre connected See Installation Ouick Guide Especially check the shield connection A Communication cable must be 2 pair shielded Twisted Pair and UV resistant for out door use Fuse table Heat pump and control Unit 6 kW 9 kW 11 kW 13 kW 16 kW 18 kw units 230V 1 N 50Hz heat pump A 20 32 230V 1 N 50Hz control unit A 1617 3018 4019 400V 3 N 50Hz heat pump A 10 16 400V 3 N 50Hz control unit A 1012 1613 1614 2015 2516 12 Heat pump with 3 kW additional heater 13 Heat pump with 6 kW additional heater 14 Heat pump with 9 kW additional heater 15 12 kW additional heater Compressor off Power step 4 16 15 kW additional heater Compressor off Power step 5 17 Heat pump with 3 kW additional heater 18 Heat pump with 6 kW additional heater 19 Heat pump with 9 kW additional heater Positioning of the outdoor sensor Recommended location r Unsuitable location Position the outdoor sensor on the north or north west side of the A x x x x m house x Make sure that the outdoor sensor is not placed in direct sun light mE For higher buildings the sensor should be positioned between the O xX 00 x x second and third storeys Its location must not be completely pro tected from the wind but not in a direct draft The outdoor sensor x X x x T x x should not be placed on reflective panel wa
24. hat it corresponds to the actual outdoor temperature Checked in the INFORMATION gt OP DATA menu DEFR SENSOR Check applicable sensors described in the table below 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 tank 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 pe
25. he INFORMATION MENU see description as follows Check the delta temperature N The time it takes to get a correct and stable reading of the delta is dependant of the size of the heating sys tem The following settings are made in the INFORMATION MENU If not already in the INFORMATION MENU enter the INFORMATION MENU from the default display by pressing lt arrow Use or to move up and down in the menu INFORMATION MENU OP DATA SUPPLY LINE RETURN LINE 8 3 Reinstall the lower front hatch and side cover atec 040 Fig 5 Reinstall lower front hatch and side cover Thermia V rmepumpar VIGFG102 nfs N Commissioning Atec 9 Tuning the system 9 1 Tuning the heating system To obtain a heating system balance and obtain an even and comfortable indoor temperature the heating system may need adjustment according to the example below The indoor temperature is adjusted by changing the heat curve The heat curve calculates the supply temperature depending on the outdoor temperature The lower the outdoor temperature the higher the supply temperature The heat curve may need to be adapted to obtain a pleasant indoor temperature in any weather conditions A correctly set heat curve reduces maintenance and gives an energy efficient operation See chapter CURVE for more information A Adjust the heating system during the cold season to obtain the best possible performance A Tuning must be carried out o
26. he start flow search on the heating system not on the water heater The flow will automatically be adapted to the water heater A It is important to know the source where the energy for defrosting is taken when finding a start flow If the parameter ENERGY PR H W is OFF the energy is taken from the heating system If the parameter is ON the energy is taken from the water heater To be able to automatically search for a start flow the following is reguired The installation must be completed and checked The heating system and water heater must be filled and bled Theconfiguration of the control system must be completed The heat pump must be in operation OFF mode with the OFF symbol y shown on the display Manual test must be deactivated 0 Heating or cooling must be activated in the configuration The following settings are made in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left lt arrow for at least 5 seconds Use or to move up and down in the menu Find the start flow in the menu SERVICE OPTIMUM FIND START FLOW Press right arrow gt to enter the FIND START FLOW menu The off symbol y is shown Press right arrow gt to activate the FIND START FLOW menu Press to activate the FIND START FLOW menu ON will appear in the display to confirm the setting Depending on the operation mode the result of the flow search may be presented a
27. he starting point without changing 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 COMPRESSOR can be selected as operating mode COMPRESSOR Operation with only compressor permitted No hot water produced operation with auxiliary heater not permit ted AUX HEATER Operation with only auxiliary heater permitted HOT WATER Operation with heat pump for hot water production and auxiliary heater during peak heating charging anti legionella function MANUAL TEST Only displayed when the value for MANUAL TEST is set to 2 in the SERVICE menu Outputs that control compo nents are activated manually A A Caution A Remember that it takes time for the heat pump to heat a cold house It is best to let the heat pump work at its own pace and NOT raise or alter any values in the control system to try to heat it up more rapidly If there is an alarm in conjunction with installation it usually means that there is air in the system In the event of longer periods of downtime and risk of ice build up in the system the heat pump must be drained of water 8 2 Adaptation of the heating system The circulation pump settings may have to be adjusted to fit the heating system for instance an underfloor heating or radiator system The delta temperature the difference between the supply line an
28. hermia 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 Varmepumpar and the Thermia V rmepumpar logotype are trademarks of Danfoss A S All rights reserved VIGFG102 Produced by Thermia V rmepumpar 2013
29. iguring the control system the installation must be completed according to the instructions in the preceeding chapters A To avoid alarms during start up the outdoor unit must be powered on A Make the settings in the order they appear in the text that follows Further information about parameters in the control system are found in the Information Menu and Service Menu chapters in the Tech nical Description 5 1 Select display language After the heat pump size has been set it is possible to select the display language It is also possible to go back and change the size setting using the desired language The following settings are made in the Information Menu To enter the Information Menu press left arrow Use or to move up and down in the menu Select display language in the INFORMATION menu INFORMATION Press button several times to get to the LANGUAGE entry Press right arrow gt button to enter the LANGUAGE menu Use or buttons to navigate to the desired language Press right arrow gt to chose language An asterisk will appear next to chosen language Press left arrow lt twice to exit the Information Menu 52 Factory setting A Each time a factory reset is executed parameters like AUX HEATER DEFROST OPTIMUM HOT WATER and HEAT CURVE return to their default values This means that parameters like AUX HEATER OPTIMUM and HOT WATER will not be active until manually activated The follow
30. ing is available only if ROOM SENSOR is activated LOW The compressor is stopped if the temperature from the room sensors drops below the desired temperature mi nus the value set in COOL HYST RS LOW Factory setting 1 C COOL HYST RS This setting is available only if ROOM SENSOR is activated HIGH The compressor is started when the temperature rises above the desired temperature plus the value set in COOL HYST RS HIGH Factory setting 1 C VIGFG102 Thermia V rmepumpar gt s Commissioning Atec 5 8 Distribution circuits N The only use for a mixing valve is in a heating system with an external heat source an oil burner or equiva lent or where there are more than one heating circuits for example a mix of radiator and underfloor heating There are three available mixing valve options Mixing valve Activation see chapter Activate the external auxiliary heater in Atec Standard Distribution circuit DISTR CIRCUIT 1 Distribution circuit DISTR CIRCUIT 2 The mixing valve is used between the heat pump an external auxiliary heater may be an oil burner or equivalent and the heating system The purpose of this valve is to mix cold water into the heated water from the external auxiliary heater on off heater to ensure that the temperature out on the heating system is not too high The control system in the heat pump controls the mixing of hot and cold water out on the heating system Distribut
31. ing settings are made in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left arrow lt for at least 5 seconds Use or to move up and down in the menu Make a factory setting and select heating system with the parameters in the SERVICE menu SERVICE INSTALLATION FACTORYSET Use or buttons to select FLOOR or RADIATOR If CANCEL is selected the system is reset to the default delivery setting Press right arrow gt to select the appropriate value If the system is a mix of radiator and floor heating RADIA TOR is chosen Anasterisk will appear to confirm the setting To exit factory setting press left arrow 5 times to enter Service Menu HE VIGFG102 Thermia V rmepumpar mm s Commissioning Atec 5 3 Activation of optimum circulation variable speed pump N The Optimum circulation pump is factory installed in Atec Plus and Atec Total The OPTIMUM option is however not activated from factory N If fixed speed circulation pump is used which may be the case for Atec Standard then skip this setting The following settings are made in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left lt arrow for at least 5 seconds Use or to move up and down in the menu Activation of optimum variable speed pump in the SERVICE menu SERVICE INSTALLATION SYSTEM OPTIMUM Press right arrow
32. ion circuits 1 and 2 are used where there are more than one heating circuit for example a mix of radiator and underfloor heating The purpose of these distribution circuits are to supply a preset temperature to each one of the heating circuits Activating DISTR CIRCUIT 1 The following settings are made in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left arrow for at least 5 seconds Use or to move up and down in the menu Activating distribution circuit 1 in the SERVICE menu SERVICE a INSTALLATION SYSTEM DISTR CIRCUIT 1 HEAT CURVE or CONSTANT TEMP N When HEAT CURVE is selected the distribution circuit con trols to the set heat curve When CONSTANT TEMP is selected distribution circuit con trols a constant temperature regardless of outdoor tempera ture Press left arrow several times to exit the Service Menu N DISTR CIRCUIT 2 requires expansion card Thermia Varmepumpar VIGFG102 nt N Commissioning Atec 6 Find start flow 6 1 Finding a start flow Finding a suffient flow in order to activate the flow switch can be done in the following ways Automatically using the FIND START FLOW parameter Manually setting the the START FLOW CIRC value for the optimum circulation pump 6 1 1 Find start flow automatically This option is only valid for a heat pump model with the optimum function A If the operation mode is set to cooling perform t
33. ller must select a heat pump size before leaving this menu After the size has been set a factory reset starts and radiator heating appears as the first choice When power is supplied to the control unit the first menu that appears in the display is the DIRECT EVAP Menu A heat pump size must be set before configuring the control system and completing the commissioning To set the heat pump size initially Use the or buttons to select heat pump size in kW a Press right arrow gt to confirm the choice An asterisk will appear next to the chosen value Press left arrow lt and wait until the default screen is displayed N It is possible to select the heat pump size at a later stage by changing the settings in the Service Menu as described below To enter the Service Menu press and hold left arrow for at least 5 seconds Use or to move up and down in the menu Set the output size of the heat pump in the menu SERVICE INSTALLATION SYSTEM HEAT SOURCE AIR DIRECT EVAP Press right arrow gt for approximately 20 seconds to enter the Heat Pump size entry Use or buttons to select Heat Pump size in kW Press right arrow gt to confirm the choice An asterisk will appear next to the chosen value Press left arrow lt several times to navigate back to the Service Menu Thermia Varmepumpar VIGFG102 R ma N Commissioning Atec 5 Configuration of control system A Before conf
34. lls a m The sensor must be positioned at least 1 m from openings in the N walls that emit hot air Y If the sensor cable is connected through a pipe the pipe must be sealed so that the sensor is not affected by outgoing air Thermia Varmepumpar VIGFG102 em N Commissioning Atec 3 Filling and bleeding Fill the system with cold water by opening the filler valve that is on the valve pipe to a pressure of 1 bar Open all radiator valves fully Bleed all radiators Bleed the outdoor unit See figure 3 Refill the heating system to a pressure of min 1 bar Repeat the procedure until all air has been removed Check the system for leakage NUN UY de QUNM N The system must be filled with antifreeze protection when the outdoor unit is operating in cooling mode un der a set temperature value under lt 15 C The reason is to avoid the potential risk of freezing of the outdoor unit N Leave all radiator valves fully open N To bleed the out door unit remove the lower front hatch and right hand side cover atec 042 Fig 3 Bleed the outdoor unit atec 043 Fig 2 Remove front hatch and side cover BH VIGFG102 Thermia V rmepumpar mm s Commissioning Atec 4 Setting heat pump size 4 1 Setting heat pump size N The default heat pump size setting at shipping is NO SIZE indicated by an asterisk next to the English text This means that the compressor cannot start and the insta
35. mia V rmepumpar VIGFG102 Commissioning em N Atec 7 5 Test the auxiliary heater 1 Start the circulation pump by setting the value CIRC PUMP to 1 OPTIMUM not selected 30 100 OPTIMUM selected 2 Start the auxiliary heater by setting the value of present EXT AUX HEAT to 1 3 Check that the auxiliary heater works by exiting the MANUAL TEST menu and enter the INFORMATION gt OP DATA menu and check that the temperature of SUPPLY LINE rises 4 Return to the menu MANUAL TEST and stop the auxiliary heater by setting EXT AUX HEATER value to 0 5 Stop the circulation pump by setting the SYSTEM CIRC PUMP value to 0 7 6 Test the fan 1 Start the fan by setting the value FAN to between 3 10V 30 100 Check that the fan is running 2 Stop the fan by setting the FAN value to 0 7 7 Checking the four way valve Start the circulation pump by setting the value CIRC PUMP to 1 OPTIMUM not selected 30 100 OPTIMUM selected Start the compressor by setting the value COMPRESSOR to 1 Start the fan by setting the value FAN to between 3 10V 30 100 Switch the four way valve FOUR WAY VALVE 1 Checkthat the temperature of the supply line drops 1 2 3 4 Checkthe temperature on the supply line INFORMATION OP DATA after a few minutes 5 6 y Reset the four way valve and stop the fan compressor and circulation pump 7 8 Checking sensors Check the defrost sensor temperature so t
36. missioning Thermia N Atec 11 Important information Safety regulation 11 1 General safety precautions Warning P n t o gt gt n t e o 3 n t a o 3 gt n ty a o 3 gt n t a o 3 gt A w c e o 3 gt n t A o E A t c e o 3 n ty e o 3 gt Caution gt Risk of personal injury Children are not permitted to play with the product 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 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 The heat pump must be located in a frost free environment The heat pump must be placed in an area with a floor drain The heat pump must be located on a stable base The floor must be able to support the gross weight of the heat pump with filled hot water tank see Technical data To prevent 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 necessary The hot water tank mus
37. ng system installed A Stopcock B B Cover Som Sie O Warning In order to secure the defrosting of the outdoor unit a minimum amount of water must be contained in the A heating system This is shown in the table below Fig 1 Strainer If the heating system itself holds the amount of water described in the table a volume tank is not needed but recommended 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 N If the amount of water in the heating system is not sufficient Low Pressure alarms may occur For Atec Total also check Water heater checklist OK Not OK Bleed valve installed For Atec Standard also check External Water heater checklist OK Not OK Exchange valve installed factory installed in Atec Plus and Atec Total B VIGFG102 Thermia V rmepumpar Commissioning Atec 2 2 Checking the electrical installation om N Before turning on electrical power check the electrical installation according to the checklist below Electrical installation checklist OK Not OK Are circuit breakers installed One for indoor unit and one for outdoor unit not included in the delivery Are correct
38. rmitted VIGFG102 Thermia V rmepumpar mm s Commissioning Atec Parameter Meaning 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 7 9 Exit test operation Set the value for MANUAL TEST to O 7 10 Insulate the piping When the manual testing is finished do a final check for leaks and insulate the piping Caution Make sure that pipes transporting cold water are insulated to prevent condensation damage A Thermia Varmepumpar VIGFG102 om N Commissioning Atec 8 Starting up Now it s time to start the system and do the final settings and adjustments 8 1 Starting the system Set the heat pump to the desired operating mode in the menu INFORMATION gt OPERAT The following operating modes are available Parameter Meaning OFF The installation is fully switched off This mode is also used to acknowledge certain alarms To select OFF as op erating mode press the minus sign once to scroll down one step and press the right arrow once Press CANCEL to return to t
39. s follows Operation mode Heating If the operation mode is heating with cooling completely tuirned off the result will be one of the following FLOW OK FLOW NOT OK VIGFG102 Thermia V rmepumpar om s Commissioning Atec If the flow is not OK measures must be taken to ensure sufficient start flow for example install an additional circulation pump or other equipment such as a buffer tank that will increase the flow enough Operation mode Cooling If cooling mode is activated the result of the flow search may be as follows FLOW OK1 Flow is sufficient for defrost FLOW NOT OK1 Flow is not sufficient for defrost or FLOW OK2 Flow is sufficient for cooling FLOW NOT OK2 Flow is not sufficient for cooling If the flow is not OK measures must be taken to ensure sufficient start flow for example install an additional circulation pump or other equipment such as a buffer tank that will increase the flow enough N It may take a while before the search is completed and the result is displayed You may continue with other parts of the commissioning that are independant of the search for a start flow Press left arrow several times to navigate back to the Service Menu N The start flow found in this procedure is the actual flow that exists in the current configuration of the system Seasonal variations with different temperatures may alter the behavior of the system and this may affect the flow as well For
40. t be equipped with an approved safety valve Heating systems with closed expansion tanks must also be supplied with approved pressure gauges and safe ty valves VIGFG102 Thermia V rmepumpar Thermia Commissioning Atec Caution Cold and hot water pipes and overflow pipes from safety valves must be made of heat resistant and corro 4 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 4 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 N In addition to applicable local rules and regulations the installation should be carried out in a manner that prevents vibrations from the heat pump being transmitted into the house causing noise 11 2 1 Refrigerant 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 c
41. urve does not change instead the entire heat curve is moved by 3 C for every degree change of the ROOM value The reason that the curve is adjusted 3 C is that an approximate 3 C increase in supply temperature is usually needed to increase the indoor temperature 1 C Thermia Varmepumpar VIGFG102 nts N Commissioning Atec 1 Supply temperature C 2 Desired supply temperature 3 Outdoor temperature C 20 0 20 Fig 8 Changing the ROOM value changes the heat curve upwards or downwards The relationship of the supply temperature to the outdoor temperature will not be affected 9 4 Adjusting the CURVE at 5 C 0 C and 5 C Sometimes at outdoor temperatures between 5 C and 5 C part of the heat curve may need adjusting if the indoor temperature is not constant For this reason the control system includes a function which only adjusts the heat curve at three outdoor temperatures 5 C 0 C and 5 C This function will allow one to increase or reduce the setpoint value for the supply line temperature without affecting the rest of the heat curve at three specific outdoor temperatures If for example the outdoor temperature is 5 C the supply temperature will change gradually between 0 C and 10 C maximum adjustment being reached at 5 C The figure below shows the adjusted CURVE 5 The adjustment can be seen in the graph in the form of a bump Choose to adjust the heat curve individually at three specifi
42. ver a few days as the inertia in the heating system causes the indoor tempera ture to change slowly Tuning example 1 Choose one of the rooms where the highest temperature is desired 20 21 C as a reference room for the indoor temperature 2 Placeathermometer in the room 3 Open all radiator valves fully 4 Leave the ROOM value set at 20 C See chapter ROOM for more information Note the temperature in the reference room regularly over a 24 hour period 6 Adjust the ROOM value so that the reference room reaches your required indoor temperature of 20 21 C Remember that other rooms will have different temperatures during tuning but these are adjusted later 7 If the ROOM value must be adjusted more than 3 C upwards or downwards the CURVE value must be adjusted instead See chapter CURVE for more information 8 If the indoor temperature varies several degrees despite tuning a specific part of the heat curve may need adjusting Check at what outdoor temperature the variation is greatest and adjust the curve at the corresponding value CURVE 5 CURVE 0 CURVE 5 See chapter Adjusting the heat curve at 5 C 0 C and 5 C for more information 9 When the reference room has an even temperature of 20 21 C over a 24 hour period you can adjust the radiator valves in the other rooms so that their temperatures are the same temperature or lower than the reference room ui The most energy efficient and cost effective setting is achi

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