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Installation instruc- tions

1. a amp _ amp Figure 5 The components are shown above Symbol explanation 1 Water heater 180 litres 12 Drying filter Return pipe sensor heating system 13 Expansion valve 3 Evaporator insulated 14 Hot water temperature sensor displays maxi mum temperature 4 Reversing valve 15 Control panel for control equipment 5 Supply line sensor 16 Electrical panel 6 Heating system circulation pump 17 Compressor 7 Auxiliary heating immersion heater 18 Low pressure switch 8 Brine in 19 Operating pressure switches 9 Heating system supply line 20 High pressure switch 10 Brine out 21 Condenser with primary side drain 11 Brine pump brine system 12 Installation instructions VMBMA702 4 2 DHP H Opti Pro 4 2 1 Dimensions and connections The brine pipes can be connected on either the left or right hand sides of the heat pump Symbol explanation 1 Brine in 28 Cu Brine out 28 Cu Heating system supply pipe 22 Cu 4 10 kW 28 Cu 12 16 kW Heating system return pipe 22 Cu 4 10 kW 28 Cu 12 16 kW 1845 10 Expansion pipe 22 Cu Hot water line 22 mm Cold water line 22 mm Lead in for supply sensor and communication cables oO AON Du HR WN Safety valve for temperature and pressure only applies to certain models Figure 6 Dimensions and connections Installation instructions VMBMA702 13 4 2 2 Components The component image below shows a
2. Installation instructions VMBMA702 83 Menu Sub menu Sub menu Sub menu Sub menu 0 10V EXT AUX HEATER FLOW SENSOR CURRENT LIMITER PHASE FAULT PHASE READING SERVICE TIME FACTORY SET CANCEL RADIATOR FLOOR RESET OPER TIME SENSOR CALIBRATION OUTDOOR SUPPLY LINE RETURN LINE HOT WATER BRINE IN BRINE OUT DEFR SENSOR POOL SHUNT GROUP HGW TEMPERATURE BUFFER TANK 2ND HEAT CIR SYSTEM SUPPLY EXTERNAL FACTOR VERSION DISPLAY 1 O CARD LOG TIME BRINE TIME ON BRINE TIME OFF DEFROST DEFR CURVE 0 DEFR CURVE XX DEFR TEMPERATURE STOP DEFR BELOW 5 C DEFR MIN TIME DEFR FAN START FAN STOP DEFR SENSOR OPTIMUM TEMP DIFF CIRC TEMP DIFF BRINE START FLOW CIRC START FLOW BRINE CONST FL CIRC CONST FL BRINE MIN FLOW CIRC MAX H W CHARGE HW MIN CHARGE HW 84 Installation instructions VMBMA702 14 1 14 2 Menu Sub menu Sub menu Sub menu Sub menu HGW HGW TEMPERATURE TEMPERATURE DIFF HOT WATER DIFF HOT WATER TO RAD MAX TEMPERATURE START HGW INITIALIZING HGW INTEGRAL DELAY HGW SHUNT TIME HGW INT BOUND HGW INTEGRAL PULSE WIDTH Sub menu HOT WATER Table 28 Used to change the settings for hot water production Menu selection START Meaning Start temperature for hot water production Shows the actual weigh ted
3. Measurements have been carried out on a limited number of circulation pumps which can give variations in results Tolerances in the measurement methods can also give variations 1 At BOW35 according to EN14511 including circulation pumps 7 The pressure that must not be exceeded outside the heat pump without falling below the nominal flow For the cooling circuit these valves require pipe dimension 40 x 2 4 2 At BOW45 according to EN14511 including circulation pumps 8 Nominal flow Heat circuit A10 K cooling circuit A 3 K 3 According to IEC61000 9 Fuse phase L1 size 4 has 1 phase compressor 4 Heat pump with 3 kW auxiliary heater 1 N 1 5 kW 10 The values apply to new heat pumps with clean heat exchangers 5 Heat pump with 6 kW auxiliary heater 1 N 3 kW 11 Sound effect level measured according to EN ISO 3741 at BOW45 EN 12102 6 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW Not available for this version 116 Installation instructions VMBMA702 24 Technical data DHP A Table 41 Technical data DHP A 6 8 10 12 Type Air water Refrigerant Type R404A Amount kg 0 95 1 45 1 50 1 60 Test pressurisation MPa 3 4 Design pressure MPa 3 1 Compressor Type Scroll Oil POE Electrical data Mains power supply V 400 3 N 50Hz Rated output com kW 2 0 2 3 3 6 4
4. gt Right arrow used to select a value or open a menu lt Left arrow to cancel selection or exit a menu 3 Indicator The control system is operated via a user friendly menu system which is shown in the display Use the keypad s four navigation symbols to navigate the menus and increase or reduce the set values The control system is divided into the following two main menus e INFORMATION e SERVICE The INFORMATION menu is used to adjust the following also see INFORMATION menu e Operation e Heat curves e Temperatures e Operating time e Menu system language Installation instructions VMBMA702 75 The SERVICE menu is used during installation and services with many settings see Installation instructions OAA T ee ae a a DN p me bm S E Ba OO gt Figure 78 The menus are reached by pressing different buttons Position Description 1 Information menu Press the left or right buttons 2 Service menu Press and hold the left button for at least five seconds The INFORMATION menu is opened by pressing the left or right buttons For installation and service the SERVICE menu is used which is opened by pressing the left button for five seconds The indicator at the bottom of the control panel has three modes e Not lit means that the heat pump is not powered e When the light shines continuously the heat pump has power and is ready to produce heat or hot water e Flashing
5. 28mm between heat pump and out door unit Number of units 3 Indoor unit Dimensions LxWxH mm 690x596x1538 Weight empty kg 154 154 154 162 Weight filled kg 158 159 160 168 Sound effect level dB A 42 48 46 48 Water heater Dimensions LxWxH mm 690x596x1538 Weight empty kg 172 Weight filled kg 352 Outdoor unit Dimensions LxWxH mm 630x1175x1245 Weight empty kg 94 Weight filled kg 99 Sound effect level dB A 53 63 53 63 54 67 54 67 low high Fan speed high low rpm 450 600 450 600 500 800 500 800 Air flow low high m3 h 2500 3200 2500 3200 2500 3900 2500 3900 Max pipe length m 60 30 30 Measurements have been carried out on a limited number of circulation pumps which can give variations in results Tolerances in the measurement methods can also give variations 1 For A2W35 according to EN14511 including circulation pumps and outdoor units 2 For A7W35 according to EN14511 including circulation pumps and outdoor units 3 Heat pump with 3 kW auxiliary heater 1 N 1 5 kW 4 Heat pump with 6 kW auxiliary heater 1 N 3 0 kW 5 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW 6 12 kW aux heater compressor off 7 15 kW aux heater compressor off 8 Nominal flow Heat transfer fluid A10K cooling circuit A3K 122 Installation instructions VMBMA702 9 The pressure that must not be exceeded outside the heat pump without falling below the no
6. Carefully press the front cover s upper edge towards the heat pump 3 Turn the catch in the top panel 90 degrees clockwise 17 4 After start up Note 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 1 Caution If there is an alarm in conjunction with installation it usually means that there is air in the system Installation instructions VMBMA702 105 18 Customer information After installation and test operation the customer must be informed about their new heat pump installation Below is a checklist regarding the information that the installer must give the customer The model of the heat pump that has been installed Run through the User manual and show what it contains Describe the various operating modes and what they mean Describe the most common alarms and corrective actions Demonstrate how to navigate the control system and which settings the customer can set themselves Demonstrate how to view history and operating times Show the pipe installation and go through the periodic maintenance actions that the customers must be aware of O fe O O check the recommended pressure on the manometers fill the heating system exercise safety valves clean strainers Explain how the customer can tune their existing heating system according to the ins
7. Safety valve for temperature and pressure only applies to certain models 8 2 2 Example system solution 1 System solution for DHP L DHP L Opti 1 te OO lt OXO OXO ae v y j I A _ v v er a v Figure 42 Example system solution 1 8 2 3 Example system solution 1 System solution for DHP AL DHP AL Opti 10 CH dl OOO a O gt oe Figure 43 Example system solution 1 Symbol explanation 1 10 11 12 13 18 80 83 86 87 89 91 96 113 126 Heat pump Supply line Return line Cold water Hot water Water heater Shut off valve Non return valve Safety valve expansion heating system Safety valve cold water 9 bar Vacuum valve Strainer Flexible hose Expansion heating system Safety valve for temperature and pressure only applies to certain models Symbol explanation 1 10 11 12 13 17 80 83 86 87 89 91 96 113 126 Heat pump Supply line Return line Cold water Hot water Water heater DHP AL Shut off valve Non return valve Safety valve expansion heating system Safety valve cold water 9 bar Vacuum valve Strainer Flexible hose Expansion heating system Safety valve for temperature and pressure only applies to certain models Ins
8. Shut off valve ON DU A WN Pressure tank Figure 68 General connection diagram brine lines 10 5 3 1 Outdoor unit DHP A DHP AL DHP A Opti DHP AL Opti Symbol explanation 1 Brine out 2 Brine in 3 Flexible hoses Figure 69 General connection diagram brine lines 10 5 4 DHP AL DHP AL Opti If the outdoor unit is installed higher than the heat pump the expansion outlet must be used together with a pressure tank 66 Installation instructions VMBMA702 If the outdoor unit is installed at the same level or lower than the heat pump the accompanying plastic vessel can be used The upper part of the outdoor unit must then not exceed the fluid level in the vessel Figure 70 General connection diagram brine lines Symbol explanation 1 Brine in 7 Shut off valve 2 Brine out 8 Pressure tank 3 Shut off valve part of the filler cock 9 Outdoor unit 4 Strainer part of the filler cock 10 Flexible hoses 5 Safety valve 1 5 bar 11 Bleed valve 6 Bleed and expansion tank 12 Moved out supply line sensor brine 10 6 Installing brine pipes 1 Determine to which side the brine pipes are to be connected 2 Route the out pipe for brine in through the corresponding hole with rubber collar in the heat pump side 3 Install all necessary components on the pipe Remember to install the filler cock with the filter cover upwards 4 Route the pipe for brine out through the corresponding hole with rubber collar in the hea
9. 0 2 0 4 tion pumps Auxiliary heater 3 step kW 3 6 9 Start current 12 10 18 17 18 Circuit breaker A 104 16 20 164 16 20 164 16 20 164 20 25 204 20 25 Electrical data Mains power supply V 230 230 230 230 bs TEN S0 hig Rated output com kw 13 3 4 2 5 4 5 7 pressor Rated output circula kW 0 1 0 1 0 2 0 2 tion pumps Auxiliary heater 3 step kW 1 5 3 0 4 5 1 5 3 0 4 5 1 5 3 0 4 5 1 5 3 0 4 5 Start current 11 21 26 28 Circuit breaker A 254 32 40 254 32 40 324 40 50 324 40 50 Performance Heat factor kW 5 33 7 51 9 40 11 0 16 4 CoP 4 04 4 34 4 24 4 20 3 99 Heat factor kW 5 38 7 40 9 24 10 6 15 6 COP 3 41 3 57 3 51 3 39 3 19 Incoming power kw 1 3 1 7 2 2 2 6 4 1 Nominal flow Cooling circuit I s 0 36 0 48 0 62 0 71 1 02 Heating circuit I s 0 14 0 19 0 24 0 28 0 39 External available Cooling circuit kPa 37 42 63 45 52 pressure Heating circuit kPa 63 60 56 58 96 Max Min tempera Cooling circuit C 20 10 ee Heating circuit C 55 20 Pressure switches Low pressure MPa 0 08 Operation MPa 2 65 2 85 High pressure MPa 3 10 Water volume Water heater 4 Condenser l 1 6 1 9 2 1 2 1 2 9 Evaporator l 0 7 1 2 1 6 1 6 2 2 De superheater i is Antifreeze Ethylene glycol Ethanol Installation instructions VMBMA702 113 6 8 10 12 16 DHP L Opti Number of units 1 E LxWx mm 690x596x1538 Weight empty kg 145
10. 086U6034 2 Flexible hose R25 L 550 Installation instructions VMBMA702 25 Part no Quan Name tity 086U6007 1 Filler device DN32 086U6005 1 Dirt filter with shut off DN25 ch 4 8 Transporting the heat pump i Caution During transportation or lifting of the entire heat pump the front panel must always be installed as it locks the other panels construction 1 Caution The heat pump must always be transported and stored in a dry area Secure the heat pump so that it cannot tip over during transportation 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 4 9 Space requirement Caution The heat pump must not be enclosed as the temperature inside the cabinet becomes extremely high To facilitate the installation and subsequent testing and maintenance there must be sufficient free space around the heat pump in accordance with the following dimensions e 300mm on each side e 300mm above e 600 mm in front 26 Installation instructions VMBMA702 e 10mm behind 300 mm 300 mm Symbol explanation 1 DHP H DHP H Opti Pro DHP C DHP A DHP A Opti 2 DHP L DHP L Opti DHP AL DHP AL Opti 1905 Figure 19 Minimum headroom
11. 10 Shut off valve 11 External pump 12 External container Set the heat pump operating mode to OFF in the control computer menu INFORMATION gt OPERAT Mix water and anti freeze in the correct proportions in an external container 12 Note that each pack must be well mixed Check that the freezing point of the mixture is reached using a refractometer 15 C for DHP C DHP L and DHP A 32 C for DHP AL DHP H Fill the system with the mixture using an external pump 11 which can bleed the brine pipes Connect the pressure side of the pump to the filler connection at valve 5 For DHP A DHP AL open the defroster shunt in the control computer menu SERVICE gt MANUAL TEST gt SHUNT DEFR set the value to Close valve 4 Open valves 5 and 10 Connect a transparent hose 3 that opens out into the external container 12 Open valve 3 Start the external pump 11 and fill the brine pipes Start the brine pump manually in the control computer menu SERVICE gt MANUAL TEST gt BRINEPUMP set the value to 1 Run the brine pump and the external pump 11 in series until fluid clear of air comes out of the return hose from the valve 3 Installation instructions VMBMA702 69 13 Stop the brine pump in the control computer menu SERVICE gt MANUAL TEST gt BRINEPUMP set the value to 0 at the same time leave the external pump running 14 Open valve 4 with the external pump running to eliminate th
12. 150 155 165 175 Weight filled kg 151 157 162 172 184 Sound effect level dB A 44 44 47 48 50 Measurements have been carried out on a limited number of circulation pumps which can give variations in results Tolerances in the measurement methods can also give variations 1 At BOW35 according to EN14511 including circulation pumps 7 The pressure that must not be exceeded outside the heat pump without falling below the nominal flow For the cooling circuit these valves require pipe dimension 40 x 2 4 2 At BOW45 according to EN14511 including circulation pumps 8 Nominal flow Heat circuit A10 K cooling circuit A3 K 3 According to IEC61000 9 Fuse phase L1 size 4 has 1 phase compressor 4 Heat pump with 3 kW auxiliary heater 1 N 1 5 kW 10 The values apply to new heat pumps with clean heat exchangers 5 Heat pump with 6 kW auxiliary heater 1 N 3 kW 11 Sound effect level measured according to EN ISO 3741 at BOW45 EN 12102 6 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW Not available for this version 114 Installation instructions VMBMA702 Technical data DHP C Table 40 Technical data DHP C 6 8 10 4H 5H 7H Type Brine water Refrigerant Type R407C R407C R407C R134a R134a R134a Amount kg 1 20 1 30 1 45 0 90 1 00 1 10 Test pressurisation MPa 3 4 3 4
13. 3 29 3 35 Incoming power kW 1 8 2 3 3 0 3 4 Nominal flow Cooling circuit I s 0 32 0 49 0 58 0 64 Heating circuit I s 0 14 0 20 0 24 0 28 External available Cooling circuit kPa 88 74 56 98 9 oe Heating circuit kPa 61 59 57 51 Lowest outdoor C 20 temperature for compressor start Max Min tempera Cooling circuit C 20 25 ture a Heating circuit C 55 20 Pressure switches Low pressure MPa 0 08 Operation MPa 2 65 2 85 High pressure MPa 3 10 Installation instructions VMBMA702 119 DHP A Opti 6 8 10 12 Water volume Water heater l 180 Condenser l 1 3 2 2 2 7 2 7 Evaporator l 1 0 1 3 1 3 1 6 Antifreeze Ethylene glycol water solution with freezing point 32 1 C Number of units 2 Indoor unit Dimensions LxWxH mm 690x596x1845 Weight empty kg 260 260 260 268 Weight filled kg 440 440 440 448 Sound effect level dB A 42 48 46 48 Outdoor unit Dimensions LxWxH mm 630x1175x1245 Weight empty kg 94 Weight filled kg 99 Sound effect level dB A 53 63 53 63 54 67 54 67 low high 2 Fan speed low high rpm 450 600 450 600 500 800 500 800 Air flow low high m h 2500 3200 2500 3200 2500 3900 2500 3900 Max pipe length m 60 30 30 copper pipe 28mm between heat pump and outdoor unit Measurements have been carried out on a limited number of circulation pumps which can give variations in results Tolerances in the measu
14. 3 4 3 2 3 2 3 2 Design pressure MPa Compressor Type Oil Electrical data Mains power supply V one oan Rated output com kW 2 0 pressor Rated output circu kW 0 2 lation pumps Auxiliary heater 3 kW 3 6 9 step Start current A 12 10 18 12 10 18 Circuit breaker A 04 16 20 167 1 6 20 ten 6 20 0 16 20 6 16 20 ie 6 20 Electrical data Mains power supply V z en Rated output com kW pressor Rated output circu kW lation pumps Auxiliary heater 3 kW step Start current Circuit breaker Performance Heat factor kW COP Heat factor kW COP Incoming power kW Nominal flow Cooling circuit I s Heating circuit I s External available Cooling circuit kPa pressure Heating circuit kPa Max Min temper Cooling circuit C ae Heating circuit C Pressure switches Low pressure MPa 0 08 0 08 0 08 Operation MPa 2 65 2 85 2 65 2 85 2 65 2 85 High pressure MPa 3 10 3 10 3 10 2 45 2 45 2 45 Water volume Water heater l 180 Condenser l 1 6 1 9 2 1 1 6 1 9 2 1 Evaporator l 0 7 1 2 1 6 0 7 1 2 1 6 Installation instructions VMBMA702 115 DHP C 6 8 10 4H 5H 7H De superheater l s i i 4j Antifreeze Ethylene glycol Ethanol Number of units 1 Dimensions L x W mm 690x596x1845 xH Weight empty kg 210 215 225 210 215 225 Weight filled kg 390 395 405 390 395 405 Sound effect dB A 47 44 46 47 44 46 level
15. 5 Warning Risk of personal injury Refrigerant exposed to a naked flame creates a poisonous irritating gas This gas can be detected by its odour even at concentrations below its permitted levels Evacuate the area until it has been sufficiently ventilated 2 1 3 Work on the refrigerant circuit Caution When repairing the refrigerant circuit the refrigerant must not be released from the heat pump it must treated 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 V rme ABDanfoss A S are void if when filling with refrigerant other than Thermia Varme ABDanfoss A S specified refrigerant if there has not been written notification that the new refrigerant is an approved replacement refrigerant together with other remedies 2 1 4 Scrapping Caution When the heat pump is to be scrapped the refrigerant must be extracted for disposal Local rules and regulations related to the disposal of refrigerant must be followed 2 2 Electrical connection 1 Caution Electrical installation may only be carried out by an authorized electrician and must follow applicable local and national regulations f Caution The electrical installation must be carried out using permanently routed cables It must be possible to isolate the power supply using an all pole circuit breaker with a mini
16. 9 bar Bleed valve at stainless steel water heater Oa A U N Safety valve for temperature and pressure only applies to certain models Figure 40 Principle solution for a pipe and brine installation System solution 1 In system solution 1 the heat pump can produce both heating and hot water with the compressor and the integrated auxiliary heater Production of heating and hot water cannot occur at the same time because the exchange valve for heating hot water is positioned after the auxiliary heater The integrated auxiliary heater carries out peak heating charging antilegionella function in those operating modes that permit auxiliary heat Installation instructions VMBMA702 41 For system solution 1 select the factory setting in menu SERVICE AUX HEATER EXTERNAL ADDITION EXTERNAL AUX HEATER 0 Off REV V HOT WATER INT 8 2 1 Example system solution 1 System solution for DHP H DHP H Opti Pro DHP C DHP A DHP A Opti gt QIO m OX Figure 41 Example system solution 1 42 Installation instructions VMBMA702 Symbol explanation 1 10 11 12 13 80 83 86 87 89 91 96 113 126 Heat pump Supply line Return line Cold water Hot water Shut off valve Non return valve Safety valve expansion heating system Safety valve cold water 9 bar Vacuum valve Strainer Flexible hose Expansion heating system
17. AUTO All figures in the instructions are numbered to help installers and service technicians refer to them easily Symbols The instructions contain different warning symbols which together with text indicate to the user that there are risks involved with actions 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 Hazardous electrical voltage 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 1 Caution Risk of installation damage 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 Note Information regarding making the handling of the installation easier or a possible operational technical disadvantage Terminology The instructions contain terms throughout that designate components and functions The table lists the most com mon terms that are used in the instructions Table 1 Terminology Term Meaning Heating system The circuit that generates heat to the property or to the water heater Supply line The heating system s supply line with flow direction from the heat pump to rad
18. Cable CONNECtION ssssssesesssrssstesesessetssseesesesseresstesstesseresstessserserene 53 9 2 Electrical COMpONENtS sssssssssssssssssssssssssssssrssssssseessssseesssssseresss 54 17 9 3 Connecting external supply voltage 9 4 Position and connect outdoor sensors 9 5 Changing the language in the control computer 55 9 6 Selection of system solution and connection of external aux heater 55 9 7 Changing the number of auxiliary heating power stages 58 18 9 8 Connect outdoor unit DHP A DHP AL 19 9 9 Connect defrost sensor DHP A DHP AL 58 20 Brine installation sess ds 59 21 10 1 Heat sources 22 10 2 Information collector PiPe seeecccsssscecssescccssecessnecessseeeeene 62 23 10 3 Connection to outdoor UN ite eeeeccsssssseeecsesssseeessesssneeeesees 63 24 10 4 Connection of several brine CoOilS ss essssessssessssessssressseress 63 25 10 5 Connection GiaGrAMM eecssesscccsssscccseeecesssseccsseeseesnecesnseeseenees 65 10 6 10 7 10 8 10 9 Installing accessories additional functions Installing brine pipeS ssssssssssssssssssssssssssssresssesssseeessssresssesssse 67 Filling the brine System esssssscccsssescccssesecessseecesssseecesueeeeseee 68 Bleeding the brine circuit Vent outdoor unit 11 1 Room sensor 11 2 EVU FUNCTION iniiesseninsaan a 73 11 3 Tariff control nezio g REAN 73 11 4 Flow switch level SwitCh ssssssssssssssssesssssssssesessssressseessseeressse 73 11 5 Hi
19. O card output for 3 kW and 6 kW as well as Defrost card output for 6 kW normal connections heater External auxiliary heater Defrost card 283 connected and fused with 086U9685 Additional shunt Terminal block 215 216 External exchange valve O card 214 kW connected and fused with 086U9685 For system solution 3 the heat pump s integrated exchange valve must be limited in open mode to the heating system To limit the direction of flow for the exchange valve for the heating system carry out the following steps 1 Check that the main circuit breaker is on Installation instructions VMBMA702 57 9 7 9 8 9 9 Open the SERVICE menu by pressing and holding the left button in for five seconds Open the control computer menu SERVICE gt MANUAL TEST Set the value for MANUAL TEST to 1 Set the value for REV V HOT WATER to 0 Wait at least 15 seconds disconnect the quick connector at the exchange valve Set the value for MANUAL TEST back to 0 Connect the external exchange valve cables to the corresponding cables in the disconnected quick connector SOP 00 ON oT be Move the supply line sensor out to the position shown in the diagram for system solution 3 See Pipe installation in chapter System solution 3 Changing the number of auxiliary heating power stages Caution Setting the maximum permitted number of power stages for the auxiliary heating must be carried out 1 Ensure that the main
20. a two core cable A maximum cable length of 50 m applies for a cross section of 0 75 mm2 For greater lengths a cross section of 1 5 mm2 is used up to a maximum of 120 m Then connect the sensor to the heat pump s control system according to the electrical instructions Changing the language in the control computer If necessary change the language in the control computer menu system 1 Ensure that the main circuit breaker is on 2 Open the INFORMATION menu 3 Change language in the control computer menu INFORMATION gt LANGUAGE ENGLISH select language with or Selection of system solution and connection of external aux heater Note Configure the heat pump for the desired system solution in the SERVICE ADD HEATER EXTERNAL ADDITION menu Also see section Piping installation and Menyinformation Installation instructions VMBMA702 55 9 6 1 System solution 1 The heat pump is delivered configured for system solution 1 9 6 2 System solution 2 Note If necessary the external components must be fused using accessory 086U9685 FUSE TO EXTERNAL COMPONENT according to the installation instructions supplied with the accessory The tables below give the components referred to For system solution 2 select the following in menu SERVICE AUX HEATER EXTERNAL ADDITION e EXT AUX HEATER ON e REV V HOT WATER INT For DHP H DHP H Opti Pro DHP C the electrical connection for system solution 2 must be carried out accordin
21. accessory 086U9685 FUSE TO EXTERNAL COMPONENT according to the installation instructions supplied with the accessory The tables below give the components referred to For system solution 3 select the following in menu SERVICE AUX HEATER EXTERNAL ADDITION e EXT AUX HEATER ON e REV V HOT WATER EXT For DHP H DHP C the electrical connection for system solution 3 must be carried out according to the following table Table 8 Electrical connection Component Connection Internal additional O card output for 6 kW normal connection heater External auxiliary O card output for 3 kW connected and fused with 086U9685 heater Additional shunt Terminal block 215 216 External exchange O card 214 kW connected and fused with 086U9685 valve For DHP L DHP L Opti the electrical connection for system solution 3 must be carried out according to the following table Table9 Electrical connection Component Connection Internal additional O card output for 6 kW normal connection heater External auxiliary Terminal block 210 heater Additional shunt Terminal block 215 216 External exchange O card 214 kW connected and fused with 086U9685 valve For DHP A DHP A Opti DHP AL DHP AL Opti the electrical connection for system solution 3 must be carried out according to the following table Table 10 Electrical connection Component Connection Internal additional
22. and DEFR CURVE 20 that is changed Installation instructions VMBMA702 99 16 Startup 1 Caution The installation may only be commissioned if the heating system water heater and brine system have been filled and bled Otherwise the circulation pumps can be damaged 1 Caution Any alarms that may occur in connection with the installation must be fault traced 1 Caution If the installation is only to provide heat by an auxiliary heater during the installation ensure that the heating system is filled and bled and the compressor cannot be started This is carried out by setting the operating mode to AUX HEATER i Caution For heat pumps DHP H Opti Pro SP 1 phase itis imperative that the hot water temperature changes from default setting 95 C to 85 C 16 1 Installation checklist Before manual test operation the following points must be checked to ensure that they have been correctly carried out e Piping installation e Electrical Installation 16 1 1 Piping installation heating system e Pipe connections in accordance with the connection diagram e Flexible hoses on the supply and return lines e Surge tank on supply line e Pipe insulation e Strainer on return line e Bleeding of the heating system e All radiator valves fully open e Expansion tank heating system not included in the delivery e Safety valve for expansion tank not included in the delivery e Filler cock heating system not included in the delivery e Leakag
23. and the outdoor temperature The calculation is based on a linear defrosting curve that can be set so that the heat pump and outdoor unit work optimally The setting of three different values can be changed DEFR CURVE 0 DEFR CURVE 20 and OUTDOOR STOP The defrosting sequence starts when the temperature of the brine return reaches the set parameter value for the defrosting curve at an outdoor temperature somewhere along the defrosting curve Installation instructions VMBMA702 97 The two parameters that are mainly changed are DEFR CURVE 0 and DEFR CURVE 20 The numbers behind the DEFR CURVE display what outdoor temperature the setting is for that is to say at 0 C for DEFR CURVE 0 and 20 C for DEFR CURVE 20 The value 20 for DEFR CURVE 20 is the set value for OUTDOOR STOP so if the value for OUTDOOR STOP changes the numbers behind DEFR CURVE also change Factory setting for OUTDOOR STOP is 20 C At this outdoor temperature compressor operation is stopped and the additional heater takes over Generally the value of OUTDOOR STOP does not need to be changed Tests and operating cases have shown that 20 C operates very well as the stop temperature In the text and figures below the value 20 C has been used for OUTDOOR STOP The display shows the value for DEFR CURVE 0 and DEFR CURVE 20 by means of a graph Figure 84 Graph that shows how the value for DEFR CURVE 0 can be set Temperature input brine line Adjustable inte
24. circuit breaker is on 2 Open the SERVICE menu by pressing and holding in for five seconds 3 Change the number of auxiliary heating power stages in the control system s menu SERVICE gt AUX HEAT gt MAXSTEP select the number of stages using and Connect outdoor unit DHP A DHP AL Caution The power cable may only be connected to the terminal block intended for this purpose No other terminal blocks may be used 1 Route the power cable through the opening in the top panel of the heat pump to the terminal blocks 1 Connect the power cable according to the electrical instructions Connect defrost sensor DHP A DHP AL The defrost sensor is installed on the outdoor unit 1 Route the defroster sensor connection cable through the cable bushing in the top panel to the terminal block 2 Connect the sensor according to the electrical instructions 58 Installation instructions VMBMA702 10 Brine installation 10 1 Heat sources 10 1 1 Bedrock heat To use rock as the heat source one or more boreholes is are drilled and the brine hose is lowered into it them The hole is filled with water and a fitting with a weight is fastened to the hose before it is lowered Figure 59 Rock heat as heat source Installation instructions VMBMA702 59 10 1 2 Lake heat When lake water is used as the heat source one or more brine coils is are submerged in the water The coils must be anchored to the bottom with weights or a net to p
25. diagrams If there is any risk of groundwater infiltration at brine pipe lead ins watertight grommets must be used 2 Position the insert pipes 1 in the holes sloping downwards The inclination must be at least 1cm every 30cm Cut them at an angle as illustrated so that rain water cannot get into the pipes 3 Insert the brine pipes 2 into the insert pipes in the installation room Fill in the holes around the lines with mortar 3 5 Ensure that the brine pipes 2 are centred in the insert pipes 1 so that the insulation is distributed equally on all sides 6 Seal the insert pipes 1 with a suitable sealant foam 4 Installation instructions VMBMA702 29 6 Separating the heat pump If there is a shortage of space when transporting the heat pump to the installation location it may be necessary to separate the heat pump unit and the water heater The following instruction describes how a heat pump is separated to transport the separate parts more easily A Warning Do not lift heavy equipment alone always use two people for heavy lifting 1 Remove the packaging 2 Detach the front cover by twisting the catch 90 anti clockwise at the same time hold the front cover with one hand 3 Tilt the front cover outwards Lift the front cover upwards to remove it from the heat pump Figure 22 The front cover 5 Carefully pull the switch free from the control panel 6 Unscrew the front stay bar and top panel 7 Pull
26. for heat pump installation 4 10 Recommended location Caution To avoid condensation problems for the brine lines as short a brine line as possible is recommended indoors The heat pump should be located on a stable floor preferably made of concrete When locating the heat pump on a wooden floor this should be reinforced to take the weight of the heat pump including a filled water heater see technical data for relevant heat pump One solution is to place a thick metal plate at least 6mm under the heat pump The metal plate should cover several joists spreading the weight of the heat pump over a larger area If the heat pump is being installed in a newly built house this has normally been taken into account during construction and the joists where the heat pump will be located have been reinforced Always check that this has been carried out when installing into a newly built house Avoid positioning the heat pump in a corner as the surrounding walls may amplify its noise It is also important to adjust the heat pump using the adjustable feet so that it is horizontal to the base Installation instructions VMBMA702 27 4 11 Space requirement outdoor unit DHP A DHP AL Caution To ensure the function of the outdoor unit there must be at least 300 mm of space behind and 1500 mm at the front Figure 20 Necessary service space for outdoor unit 4 12 Recommended location of outdoor unit DHP A DHP AL When positioning the outdoor
27. hot water temperature and the value within brackets indicates l the start temperature O no hot water production Factory setting O l range O 30 C 55 C tion in days Operating mode that permits auxiliary heater must be selected HOT WATER TIME Time for hot water production during combined hot water and heat 20M ing demand in minutes range 5M 40M TOPH TIME Time in hours that the legionella demand is to be fulfilled for legion OM ella operation to be considered complete range 1M 10M HEATING TIME Time for hot water production during combined heating and hot 20M water demand in minutes range 5M 40M TOPH INTERVAL Time interval between peak heating chargings anti legionella func 7D l range O 1D 90D start of water heating TOPH STOP Stop temperature for peak heat charging Operating mode that per 60 C mits auxiliary heater must be selected range 50 C 65 C INFL H W SENSOR Water heater sensor s influence compared with the peak sensor s at 65 range 0 100 WEIGHT HOT WATER The calculated value of the hot water sensor directed towards the peak sensor Sub menu HEAT PUMP Table 29 Used to change the heat pump s operating settings Menu selection Meaning Factory setting INTEGRAL A1 The integral s value for starting the heat pump See Important 60 min parameters for more information range 250 min
28. inside of a heat pump looks like There may be differences between different versions Figure 9 The components are shown above Symbol explanation 1 Water heater 180 litres 13 Brine out 2 Return pipe sensor heating system 14 Brine pump brine system 3 Evaporator insulated 15 Expansion valve 4 Heat exchanger for cooling operation 16 Drying filter 5 Exchange valve cooling 17 Hot water temperature sensor displays maximum tem 6 Shunt cooling perature 7 Exchange valve heating hot water 18 Control panel for control equipment 19 Electrical panel 8 Supply line sensor 7 z 20 Compressor 9 Heating system circulation pump 21 L itch 10 Auxiliary heating immersion heater OW pressure onl 11 Bri ei 22 Operating pressure switch 2 High itch 12 Heating system supply line 2 1g prESSUTE SWIEG 24 Condenser with primary side drain 4 4 DHP L DHP L Opti 4 4 1 Dimensions and connections The brine pipes can be connected on either the left or right hand sides of the heat pump 16 Installation instructions VMBMA702 1538 10 1 2 3 4 5 610 4 4 2 Components The component image below shows a schematic of what the inside of a heat pump looks like There may be differences between different versions Symbol explanation Brine in 28 Cu Brine out 28 Cu Heating system supply pipe 22 Cu 4 10 kW 28 Cu 12 1
29. kW 1 5 3 0 4 5 1 5 3 0 4 5 1 5 3 0 4 5 1 5 3 0 4 5 Start current A 11 21 26 28 Circuit breaker A 254 325 406 254 325 406 324 40 50 324 405 506 Performance Heat factor kW 5 33 7 51 9 40 11 0 16 4 CoP 4 04 4 34 4 24 4 20 3 99 Heat factor kW 5 38 7 40 9 24 10 6 15 6 COP 3 41 3 57 3 51 3 39 3 19 Incoming power kw 1 3 1 7 2 2 2 6 4 1 Nominal flow Cooling circuit I s 0 36 0 48 0 62 0 71 1 02 Heating circuit I s 0 14 0 19 0 24 0 28 0 39 External available Cooling circuit kPa 37 42 63 45 52 pressure Heating circuit kPa 63 60 56 58 96 Max Min tempera Cooling circuit C 20 10 ee Heating circuit C 55 20 Pressure switches Low pressure MPa 0 08 Operation MPa 2 65 2 85 High pressure MPa 3 10 Water volume Water heater 180 Condenser l 1 6 1 9 2 1 2 1 2 9 Evaporator 0 7 1 2 1 6 1 6 2 2 De superheater l 0 2 Antifreeze Ethylene glycol Ethanol Installation instructions VMBMA702 109 6 8 10 12 16 DHP H Opti Pro Number of units 1 oe LxWx mm 690x596x1845 Weight empty kg 231 231 231 240 244 Weight filled kg 411 411 411 420 424 Sound effect level dB A 45 42 45 49 50 Measurements have been carried out on a limited number of circulation pumps which can give variations in results Tolerances in the measurement methods can also give variations 1 At BOW35 according to EN14511 including circulation pumps 2 At BOW45 according t
30. or according to country specific requirements 1 Caution Cold and hot water pipes and overflow pipes from safety valves must be made of heat resistant and corrosion 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 i Caution 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 Installation instructions VMBMA702 49 8 6 8 6 1 8 6 2 Noise information Flexible hoses 1 Caution The press sleeves may never be used as a counterhold when tightening connections 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 transmission 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 To avoid noise caused by pipe mounting a rubber coated pipe clamp should be used to prevent the transmission of vibrations However installation should not be too rigid and the pipe clamp must not be too tight Figure 50 Do not twist the flexib
31. outlet 22mm Cu on the top of the heat pump Installation instructions VMBMA702 51 8 9 Filling the water heater and heating system 1 Fill the water heater with cold water by opening the filler valve that is on the valve pipe 2 Bleed by opening one of the hot water taps 3 Then fill the water heater coil and the heating system with water through the filling valve to a pressure of approx 1 bar 8 10 Bleeding the heating system 1 Open all radiator valves fully 2 Bleed all radiators 3 Refill the heating system to a pressure of approximately 1 bar 4 Repeat the procedure until all air has been removed 5 Leave the radiator valves fully open 52 Installation instructions VMBMA702 9 1 Electrical Installation A DANGER Electrical voltage The terminal blocks are live and can be highly dangerous due to the risk of electric shock All power supplies must be isolated before electrical installation is started The heat pump is connected 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 and national regulations Caution The electrical installation must be carried out using permanently routed cables It must be possible to isolate the power supply using an all pole circuit breaker with a minimum contact gap of 3 mm The maximum l
32. parquet floors the supply line temperature must not exceed 45 C Otherwise the floor might get damaged If you have under floor heating and stone tiles the MIN value should be 22 25 C even in summer when no heating is required This is to achieve a comfortable floor temperature If your house has a basement the MIN value should be adjusted to a suitable temperature for the basement in summer A condition for maintaining the heat in the basement in the summer is that all radiators have thermostat valves that switch off the heat in the rest of the house It is extremely important that the heating system and the radiator valves are trimmed correctly As it is usually the end customers themselves who have to carry out trimming remember to inform them how to carry it out correctly Also remember that the value for HEAT STOP needs adjusting upwards for summer heating TEMPERATURES The heat pump can display a graph showing the history of the various sensors temperatures and you can see how they have changed over 60 measurement points in time The time interval between the measurement points can be adjusted between one minute and one hour factory setting is one minute History is available for all sensors but only the set value is shown in the display for the room sensor The integral value that may appear is the heating system s energy balance Installation instructions VMBMA702 95 15 7 INTEGRAL The heat demand in the house depends on
33. protector on the electrical panel If the overheat protector is activated an alarm indicator flashes on the heat pump s control panel and a warning text appears The overheat protector is reset by pushing the reset button 2 a Caution The overheat protector must only be reset by authorised personnel Technical data See technical data at the end of this document for detailed technical specifications 10 Installation instructions VMBMA702 4 1 4 1 1 Heat pump information Note Illustrations of products are not precise drawings and must only be considered as schematic images Differences in component parts may occur DHP H Dimensions and connections The brine pipes can be connected on either the left or right hand sides of the heat pump 1 1845 10 oO AN DH KR WN Figure 4 Dimensions and connections Symbol explanation Brine in 28 Cu Brine out 28 Cu Heating system supply pipe 22 Cu 4 10 kW 28 Cu 12 16 kW Heating system return pipe 22 Cu 4 10 kW 28 Cu 12 16 kW Expansion pipe 22 Cu Hot water line 22 mm Cold water line 22 mm Lead in for supply sensor and communication cables Safety valve for temperature and pressure only applies to certain models Installation instructions VMBMA702 11 4 1 2 Components The component image below shows a schematic of what the inside of a heat pump looks like There may be differences between different versions
34. reduced by 4 C range 8 C 1 C The setting is made by reducing the OUTDOOR STOP value by this the set value for OUTDOOR STOP The combined temperature is shown The graph can be changed up or down at the outdoor temperature OUTDOOR STOP in the display See Important parameters for more 90 Installation instructions VMBMA702 Menu selection Meaning Factory setting DEFR TEMPERA The temperature shunted to the outdoor unit during a defrost 15 C TURE range 13 C 25 C STOP DEFR The temperature that the Brine In sensor must reach to completea_ 11 C defrost range 7 C 12 C BELOW 5 C DEFR Safety defrosting occurs when the outdoor temperature has been 7D O o H I below 5 C for a set number of days shunts 20 C for 10 minutes range 1D 14D MIN TIME DEFR Minimum time between two defrosts in minutes 45M range 10M 60M FAN START The fan starts when the temperature on the brine in sensor to the heat 2 C pump reaches the set value range ON 5 C FAN STOP 3 C If FAN START is set to ON the fans starts and stops at the same time as the compressor and the FAN STOP parameter is inactive FAN STOP The fan stops when the temperature on the brine in sensor to the heat 17 C pump reaches the set value range FAN START 3 C 30 C DEFR SENSOR Shows the actual temperature of the incoming air to the outdoor unit 14 7 Sub menu OPTIMUM The menu
35. schematic of what the inside of a heat pump looks like There may be differences between different versions Figure 7 Components Symbol explanation 1 oO OOo NOAUA HR W 11 12 Water heater 180 litres Return pipe sensor heating system Evaporator insulated HGW shunt valve Supply pipe sensor heating system Heating system circulation pump Auxiliary heating immersion heater Brine out Heating system supply line Brine in Brine pump brine system Expansion valve 14 Installation instructions VMBMA702 13 14 15 16 17 18 19 20 21 22 23 Drying filter Hot water temperature sensor displays max imum temperature Control panel for control equipment Electrical panel Compressor Low pressure switch Operating pressure switches High pressure switch Condenser with primary side drain De superheater HGW sensor 4 3 DHP C 4 3 1 Dimensions and connections The brine pipes can be connected on either the left or right hand sides of the heat pump Symbol explanation 1 Brine in 28 Cu Brine out 28 Cu Heating system supply pipe 22 Cu 1845 10 Heating system return pipe 22 Cu Expansion pipe 22 Cu Hot water line 22 mm Cold water line 22 mm N Dn A U N Lead in for supply sensor and communication cables Figure 8 Dimensions and connections Installation instructions VMBMA702 15 4 3 2 Components The component image below shows a schematic of what the
36. stop 0 96 Installation instructions VMBMA702 Starting and stopping heat pump operation based on integral values 15 8 15 9 Symbol explanation 15 INTEGRAL A3 16 External auxiliary heater The calculation of the integral value stops during heat stop The calculation of the integral value stops when heat stop has stopped In this example INTEGRAL A3 lt INTEGRAL A2 This means that the external addition will be activated earlier than the internal addition On the condition that these are activated HYSTERESIS In order to start the heat in advance during sudden changes of the heat demand there is a value HYSTERESIS which controls the difference between the actual supply temperature t and the calculated supply temperature tz If the difference is equal to or greater than the set HYSTERESIS value x i e there is a heat demand or the heat demand disappears quicker than the usual integral calculation the integral value is forced to either the start value 60 INTEGRAL A1 or to the stop value 0 Figure 83 Conditions for HYSTERESIS to force the integral value to change Position Description Integral Supply temperature t t2 Time Compressor stop 0 Compressor start 60 Hysteresis At gt x O ODN OAU A V N Hysteresis At gt x DEFR CURVE To start defrosting the outdoor unit for DHP A DHP AL the control computer makes a calculation using the temper ature of the brine return
37. system if necessary leave it with the customer 10 9 Vent outdoor unit If the outdoor unit is installed higher than the heat pump with a pressurised brine system the outdoor unit must be bled using the bleed screws 1 on the connection pipes The side covers of the outdoor unit must be removed to access the bleed screws 70 Installation instructions VMBMA702 Symbol explanation 1 Bleed screws Figure 74 Location bleed screws If the outdoor unit is installed at the same level or lower than the heat pump it is recommended that the brine circuit in the outdoor unit is also bled After bleeding the side panels and decor front panel must be installed Installation instructions VMBMA702 71 11 Installing accessories additional functions 11 1 Room sensor The room temperature sensor has a temperature sensor that provides a further value that the control system can use when calculating the supply temperature The impact of the room sensor in the calculation can be set in the menu HEAT CURVE gt ROOM FACTOR Default setting for ROOM FACTOR is 2 but can be adjusted from 0 no impact to 4 large impact The difference between the desired and actual indoor temperature is multiplied by the set value for ROOM FACTOR The set point on the heating system s supply line increases or decreases with the result depending on whether there is a deficit or surplus of heat The table below shows examples of how the set point for the sup
38. 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 FAN H OFF AT High speed is deactivated at this temperature and low speed is 12 C activated range 10 C 20 C 80 Installation instructions VMBMA702 Menu selection Meaning Factory setting DEFROST CURVE Used to change the angle of the defrost curve using or Change 10 C the start temperature for defrost range 13 C 7 C MANUAL DEFR Used to perform a manual defrost Started using or 0 range 0 1 13 7 Sub menu LANGUAGE Table 25 Used to set the language of the menu system Menu selection SVENSKA ENGLISH DEUTSCH NEDERLANDS FRAN AIS ESPA OL ITALIANO NORSK DANSK SUOMI EESTI POLSKI E TINA Uk Installation instructions VMBMA702 81 14 SERVICE menu The SERVICE menu is for use during installation and service to optimise and adjust the operation of the heat pump Open the menu by pressing the left button for five seconds Note The menu information below describes all possible parameters The parameters that appear in the display vary depending on the selections made in menus e g type of heat pump and on the connected hardware e g expansion card and defrost card Table 26 Used to change the heat pump s default settings Menu Su
39. times are eliminated during test operation 0 deactivates SERVICE TIME 1 activates SERVICE TIME which speeds up the control system s integral calculation and start delay by 60 times Installation instructions VMBMA702 89 Menu selection Meaning Factory setting FACTORY SET CANCEL starting point no changes made RADIATOR reset factory settings for radiator system FLOOR reset factory settings for under floor heating RESET OPER 0 no reset of operating times TIME 1 reset of operating times to zero SENSOR CALI Following sensors can be found in the installation BRATION OUTDOOR 0 range 5 C 5 C SUPPLY LINE 0 range 5 C 5 C RETURN LINE 0 range 5 C 5 C HOT WATER 0 range 5 C 5 C BRINE IN 0 range 5 C 5 C BRINE OUT 0 range 5 C 5 C DEFR SENSOR 0 range 5 C 5 C POOL 0 range 5 C 5 C SHUNT GROUP 0 range 5 C 5 C HGW TEMPERATURE 0 range 5 C 5 C BUFFER TANK 0 range 5 C 5 C 2ND HEAT CIR 0 range 5 C 5 C SYSTEM SUPPLY 0 range 5 C 5 C EXTERNAL FACTOR Affects sensors that are installed inside the 0 5 C for DHP A DHP A Opti DHP AL heat pump DHP AL Opti range 0 C 20 C VERSION Shows the software version which is stored on the display card respectively the I O card DISPLAY V X X I1 O CARD V X X LOG TIME Time interval between collection points of temperature histo
40. to the set AUTO temperature AUTO setting charges the tank to the supply line setpoint range 30 C 55 C value OVERCHARGE Displayed if the buffer tank is active and TANK TEMP is set to AUTO OX Charges the buffer tank to supply line setpoint value the value of range OX 54 OVERCHARGE ROOM FACTOR Only displayed if an accessory Room temperature sensor is installed 2 range 0 4 Determines how great an impact the room temperature is to have 0 no impact when calculating the supply temperature For under floor heating it is vetv l rag im act recommended that ROOM FACTOR is set to 1 2 or 3 For radiator heat y arg p ing it is recommended that ROOM FACTOR is set to 2 3 or 4 POOL Only appears if POOL is selected The temperature in the pool is con 20 C trolled by a separate sensor regardless of the heating and hot water range 5 C 40 C system POOL HYSTERESIS Only appears if POOL is selected The difference between the desired 2 C charge value adjustable and actual value to the pool sensor Pool range 1 C 10 C hysteresis does not affect the integral value 13 3 Sub menu HEAT CURVE 2 Only appears if shunt group sensor is connected and activated in menu SERVICE gt INSTALLATION gt SYSTEM gt SHUNT GROUP Table21 Used to change settings for heat curve 2 Menu selection Meaning Factory setting CURVE 2 Calculated shunt group temperature at 0 C outdoor temperature Shown as a 40 C graphic c
41. unit note the following a Caution When the outdoor unit is defrosting water will drip straight down under the unit The area around the outdoor unit must therefore be properly drained in order to take the water approximately 2 litres per defrost a Caution The outdoor unit s adjustable stand must be positioned on a secure base such as wooden sleepers paving slabs or cast footings Note Noise is produced from the outdoor unit when the fan is in operation remember this when positioning to reduce disturbance in your own home as well as to any neighbours 28 Installation instructions VMBMA702 Drilling holes for brine pipes Caution Ensure that the holes for the insert pipes are positioned so that there is room for the other installations 1 Caution The brine pipes shall have separate lead ins If the wall lead ins are below the highest ground water level watertight lead ins must be used The brine pipes must be insulated from the heat pump through the walls and outside the house all the way to the collector so as to avoid condensation and prevent heat loss If the brine pipes are to be routed above ground drill holes in the walls for them If the brine pipes are to be routed below ground see the instructions below Symbol explanation 1 Insert pipe 2 Brine pipe 3 Mortar 4 Sealant Figure 21 Making holes 1 Drill holes in the wall for the insert pipes 1 for the brine pipes Follow the dimension and connection
42. water Hot water Water heater Circulation pump Supply line sensor moved out from heat pump Additional shunt Reversing valve Shut off valve Non return valve Safety valve expansion heating system Safety valve cold water 9 bar Vacuum valve Strainer Flexible hose Expansion heating system External auxiliary heater Safety valve for temperature and pressure only applies to certain models 8 4 3 Example system solution 3 System solution for DHP AL DHP AL Opti CD GOED wk aa ef ORO Y os 4 oan i gt 4 Figure 49 Example system solution 3 8 5 Safety valves Symbol explanation 1 10 11 12 13 17 36 51 72 77 80 83 86 87 89 91 96 113 117 126 Heat pump Supply line Return line Cold water Hot water Water heater DHP AL Circulation pump Supply line sensor moved out from heat pump Additional shunt Reversing valve Shut off valve Non return valve Safety valve expansion heating system Safety valve cold water 9 bar Vacuum valve Strainer Flexible hose Expansion heating system External auxiliary heater Safety valve for temperature and pressure only applies to certain models AY Caution Radiator systems with a closed expansion tank must also be equipped with an approved pressure gauge and safety valve minimum DN 20 1 5 bar opening pressure
43. 11 Sound effect level measured according to EN ISO 3741 at A7W45 EN 12102 12 Sound effect level measured according to EN ISO 3471 13 Do not use propylene glycol or ethanol 14 Heat pump with 12 kW additional heater 15 Heat pump with 15 kW additional heater 16 According to IEC61000 Technical data DHP A Opti Table 42 Technical data DHP A Opti 6 8 10 12 Type Air water Refrigerant Type R404A Amount kg 0 95 1 45 1 50 1 60 Test pressurisation MPa 3 4 Design pressure MPa 3 1 Compressor Type Scroll Oil POE Electrical data Mains power supply V 400 3 N 50Hz Rated output com kW 2 0 2 3 3 6 4 4 pressor Rated output kW 0 3 0 3 0 4 0 6 circ pumps fan Auxiliary heater 5 kW 3 6 9 12 15 step Start current 12 10 18 17 Circuit breaker 103 167 20 20 16 16 20 20 163 164 20 20 16 20 25 25 257 3014 35 257 251 4 30 257 2514 30 257 3014 35 9 Electrical data Mains power supply V 230 1 N 50Hz Rated output com kW 3 3 4 2 5 4 5 7 pressor Rated output kW 0 3 0 3 0 4 0 6 circ pumps fan Auxiliary heater 3 kW 1 5 3 0 4 5 step Start current 11 21 26 28 Circuit breaker 253 324 40 253 324 40 323 407 50 323 40 50 Performance Heat factor kW 5 00 7 02 8 20 9 84 CoP 2 85 3 10 2 85 3 00 Heat output kW 5 90 7 96 9 85 11 3 COP 3 26 3 45
44. 15 6 COP 3 05 3 41 3 57 3 51 3 39 3 19 Incoming power kw 09 1 3 1 7 2 2 2 6 4 1 Nominal flow Cooling circuit I s 0 20 0 36 0 49 0 62 0 71 1 02 Heating circuit I s 0 09 0 14 0 19 0 24 0 28 0 39 External available Cooling circuit kPa 38 35 32 76 69 37 pressures Heating circuit kPa 51 48 44 39 58 53 Max Min temper Cooling circuit C 20 10 ASe Heating circuit C 55 20 Pressure switches Low pressure MPa 0 08 Operation MPa 2 65 2 85 High pressure MPa 3 10 Water volume Water heater l 180 Condenser l 0 8 1 6 1 9 2 1 2 1 2 9 Evaporator l 0 7 0 7 1 2 1 6 1 6 2 2 Installation instructions VMBMA702 107 DHP H 4 6 8 10 12 16 De superheater l i Antifreeze Ethylene glycol Ethanol Number of units 1 Dimensions L x W mm 690x596x1845 xH Weight empty kg 225 229 229 229 238 242 Weight filled kg 405 409 409 409 418 422 Sound effect dB A 46 47 44 46 48 57 level Measurements have been carried out on a limited number of circulation pumps which can give variations in results Tolerances in the measurement methods can also give variations 1 At BOW35 according to EN14511 including circulation pumps 7 The pressure that must not be exceeded outside the heat pump without falling below the nominal flow For the cooling circuit these valves require pipe dimension 40 x 2 4 2 At BOW45 according to EN14511 including ci
45. 4 pressor Rated output kW 0 4 0 6 0 6 0 6 circ pumps fan Auxiliary heater 5 kW 3 6 9 12 15 step Start current A 12 10 18 17 Circuit breaker A 107 164 20 16 164 20 163 164 20 163 204 25 20 257 2514 30 209 257 25 4 30 20 257 40 4 35 gt 25 257 30 4 35 5 15 15 Electrical data Mains power supply V 230 1 N 50Hz Rated output com kW 3 3 4 2 5 4 5 7 pressor Rated output kW 0 4 0 6 0 6 0 6 circ pumps fan Auxiliary heater 3 kW 1 5 3 0 4 5 step Start current A 11 21 26 28 Circuit breaker A 253 324 40 253 327 40 323 40 50 32 40 507 Performance Heat factor kW 5 00 7 02 8 20 9 84 COP 2 85 3 10 2 85 3 00 Heat factor kW 5 90 7 96 9 85 11 3 COP 3 26 3 45 3 29 3 35 Incoming power kW 1 8 2 3 3 0 3 4 Nominal flow Cooling circuit I s 0 32 0 49 0 58 0 64 Heating circuit I s 0 14 0 22 0 22 0 28 External available Cooling circuit kPa 46 83 69 95 9 pen Heating circuit kPa 45 43 40 51 Lowest outdoor C 20 temperature for compressor start Max Min tempera Cooling circuit 2C 20 25 ture j Heating circuit C 55 20 Pressure switches Low pressure MPa 0 08 Operation MPa 2 65 2 85 High pressure MPa 3 10 Installation instructions VMBMA702 117 DHP A 10 12 Water volume Water heater l 180 Condenser Evaporator 1 3 1 3 1 6 Antifreeze 3 Ethylene glycol water solution with freezing point 32 1 C
46. 5 min HYSTERESIS If the difference between the actual supply temperature and the 10 C calculated supply temperature is too great either the integral range 1 C 15 C value is set to start value A1 the heat pump starts or the value is set to 0 stops the heat pump MAX RETURN Stop temperature at high return from the heating system 55 C range 30 C 70 C Installation instructions VMBMA702 85 Menu selection Meaning Factory setting START INTERVAL Minimum time interval between two heat pump starts in minutes 20M range 10M 30M ALARM BRINE Gives an alarm when the outgoing brine temperature falls below O the set value I range 14 C 10 C PRESS PIPE Sensor on the compressor s hot gas line The value within brackets 140 C indicates maximum permitted temperature If this value is excee ded the compressor will stop and start again as soon as the tem perature has dropped No alarm shown in the display however a square is shown in the left lower corner of the display OUTDOOR STOP Displayed only if AIR is selected Lowest outdoor temperature 20 C when the outdoor sensor stops the compressor and heating or hot range 20 C 1 C water are instead produced by the auxiliary heater SHUNT TIME Time in seconds Indicates how often the shunt is to adjust its 60S opening range 10S 99S SHUNT COOLING The cooling shunt works towards the set temperat
47. 6 kW Heating system return pipe 22 Cu 4 10 kW 28 Cu 12 16 kW Lead in for supply sensor and communication cables Figure 10 The components are shown above Symbol explanation 1 N DO WV A U N Auxiliary heater immersion heater on supply line Return pipe heating system Reversing valve Evaporator insulated Heating system circulation pump Supply pipe sensor heating system Brine out 10 11 12 13 14 15 16 Expansion valve Control panel for control equipment Brine in Electrical panel Compressor Low pressure switch Operating pressure switches Installation instructions VMBMA702 17 4 5 4 5 1 Symbol explanation 8 Brine pump brine system 9 Drying filter DHP A DHP A Opti Dimensions and connections High pressure switch Condenser with primary side drain The brine pipes can be connected on either the left or right hand sides of the heat pump r_ a 1 2 2 H Paj 3 Ln t o 4 5 6 7 8 9 10 Figure 11 Dimensions and connections 18 Installation instructions VMBMA702 Symbol explanation Brine in 28 Cu Brine out 28 Cu Lead in for supply sensor and communication cables Heating system supply pipe 22 Cu 6 10 kW 28 Cu 12 kW Heating system return pipe 22 Cu 6 10 kW 28 Cu 12 kW Expansion pipe 22 Cu Hot water line 22 mm Cold water line 22 mm Expansion outlet brine circuit R25 int Safety valve for tem
48. 84 COP 2 85 3 10 2 85 3 00 Heat output kW 5 90 7 96 9 85 11 3 COP 3 26 3 45 3 29 3 35 Incoming power kW 1 8 2 3 3 0 3 4 Nominal flow Cooling circuit I s 0 32 0 49 0 58 0 64 Heating circuit I s 0 14 0 20 0 24 0 28 External available Cooling circuit kPa 88 74 56 98 9 Pressi Heating circuit kPa 61 59 57 51 Lowest outdoor G 20 temperature for compressor start Max Min tempera Cooling circuit C 20 25 ture Heating circuit C 55 20 Pressure switches Low pressure MPa 0 08 Operation MPa 2 65 2 85 High pressure MPa 3 10 Water volume Water heater 180 Installation instructions VMBMA702 123 DHP AL Opti 6 8 10 12 Condenser Evaporator Antifreeze 3 Ethylene glycol water solution with freezing point below 32 X Number of units 3 Indoor unit Dimensions LxWxH 690x596x1538 Weight empty 154 Weight filled 160 Sound effect level dB A 42 5 47 7 45 5 48 1 Water heater Dimensions LxWxH mm 690x596x1538 Weight empty kg 172 Weight filled kg 352 Outdoor unit Dimensions LxWxH mm 630x1175x1245 Weight empty kg 94 Weight filled kg 99 Sound effect level dB A 53 63 53 63 54 67 54 67 high low Fan speed high low rpm 450 600 450 600 500 800 500 800 Air flow low high m h 2500 3200 2500 3200 2500 3900 2500 3900 Max pipe length m 60 30 30 copper pipe 28mm between heat pump and out door unit Measurements
49. GER Electrical voltage The power cable may only be connected to the terminal block intended for this purpose No other terminal blocks may be used 1 Route the power cable through the opening in the top panel of the heat pump to the terminal blocks 2 Connect the power cable according to the electrical instructions 54 Installation instructions VMBMA702 9 4 9 5 9 6 Position and connect outdoor sensors Caution The outdoor sensor uses protected extra low voltage Follow the specific installation instructions for the outdoor sensor x x x x x x x i x O x OS x x O x x x x x T I x x lt Q N y Figure 58 Positioning the outdoor sensor Recommended location x Unsuitable location e Position the outdoor sensor on the north or north west side of the house e To measure the outdoor temperature as accurately as possible the sensor must be positioned 2 3 of the way up the facade on houses up to three storeys high For higher buildings the sensor should be positioned between the second and third storeys Its location must not be completely protected from the wind but not in a direct draft The outdoor sensor should not be placed on reflective panel walls e The sensor must be positioned at least 1 m from openings in the walls that emit hot air e If the sensor cable is connected through a pipe the pipe must be sealed so that the sensor is not affected by outgoing air The outdoor sensor is connected by
50. INE is set to O the flow is continuous with this range 3V 10V value in the brine system Value indicated in Volts MIN FLOW CIRC Lowest permitted voltage speed of the circulation pump s flow 3V in the heating system If there is no heat demand there may still range 3V 10V be a demand to read in the temperatures for the sensors in the system and the circulation pump therefore must be run MAX H W CHARGE HW Highest supply temperature during water heating 55 C range 45 C 65 C MIN CHARGE HW Lowest desired supply temperature during water heating 50 C range 30 C 65 C Installation instructions VMBMA702 91 14 8 Sub menu HGW The menu applies to DHP H Opti Pro models with de superheater and only appears if ON in SERVICE gt INSTALLATION gt SYSTEM gt ADDITION gt HGW menu is selected Table 35 Used to change the de superheater s operating settings Menu selection Meaning Factory setting HGW TEMP Shows the HGW sensor after the de superheater the supply temperature to water heater in C TEMP DIFF Desired difference between the HGW sensor and water heater s start 20K sensor range 15K 35K HOT WATER DIFF Shows actual difference between the HGW sensor and water heater s start sensor HOT WATER TO RAD If there is a heat demand the HGW shunt switches to the heating system 3K when the weighted value is greater than the total of
51. Installation instruc tions DHP A DHP A Opti DHP AL DHP AL Opti DHP C DHP H DHP H Opti Pro DHP L DHP L Opti VMBMA702 If these instructions are not followed during installation and serv ice Danfoss A Sliability according to the applicable warranty is not binding Danfoss A S retains the right to make changes to com ponents and specifications without prior notice 2010 Copyright Danfoss A S The Swedish language is used for the original instructions Other languages are a translation of original instructions Directive 2006 42 EG Contents 10 About the iNstructions secsssscssseccseseccseeccsssecsseessseeeseeeesaeeeesseess 3 1 1 DtOAU GENO PAI AE EAE E A A ET 3 1 2 SSAI 87o ER EAN EA E ETE 3 1 3 Termin OlOdyiccvscsnLcansanlcssneccoeouamhodes 3 Important information Safety regulations 11 2 1 Refrigerant 2 2 Electrical connection 6 2 3 OMISSION IA Goes saicicaes cavdssodees EEES eas E E E EEE AA San 7 Check and safety fUNCtIONS ssssssssesesssssssesssressssssseesrsessssssssseneseee 8 Heat pump iNFOrMAtION esccsecsssseccseeccseseccseeceseecessecesneeesneeeese 11 4 1 DHP H 11 12 4 2 13 4 3 4 4 DHP L DHP L Opti 16 4 5 DHP A DHP A Opti sssssssssesssesssesseeseesseeseesssesseesseessesssesseesseesees 18 4 6 DHP AL DHP AL Optiv scsssssssssssssssssssssssssesceceeeeeeesesensnnnnnseses 21 47 Package CONTENS ssssssccccssessc
52. Number of units 2 Indoor unit Dimensions Lx Wx mm 690x596x1845 H Weight empty kg 260 260 260 Weight filled kg 440 440 440 mm between heat pump and out door unit Sound effect level dB A 42 48 46 Outdoor unit Dimensions Lx W x mm 630x1175x1245 H Weight empty kg 94 Weight filled kg 99 Sound effect level dB A 53 63 53 63 54 67 54 67 Low high 1 Fan speed low high rpm 450 600 450 600 500 800 500 800 Air flow low high m3 h 2500 3200 2500 3200 2500 3900 2500 3900 Max pipe length m 60 30430 copper pipe 28 Measurements have been carried out on a limited number of circulation pumps which can give variations in results Tolerances in the measurement methods can also give variations 1 For A2W35 according to EN14511 including circulation pumps and outdoor units 2 For A7W35 according to EN14511 including circulation pumps and outdoor units 3 Heat pump with 3 kW auxiliary heater 1 N 1 5 kW 4 Heat pump with 6 kW auxiliary heater 1 N 3 0 kW 5 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW 6 12 kW aux heater compressor off 7 15 kW aux heater compressor off 8 Nominal flow Heat transfer fluid A10K cooling circuit A3K 118 Installation instructions VMBMA702 9 The pressure that must not be exceeded outside the heat pump without falling below the nominal flow 10 The values apply to new heat pumps with clean heat exchangers
53. WATER COOLING ACT COOLING DEFROST DEFROSTS BETW 2 DEFR TIME LAST DEFR FAN H OFF AT DEFROST CURVE MANUAL DEFR LANGUAGE SVENSKA ENGLISH DEUTSCH NEDERLANDS FRAN S ESPA L ITALIANO NORSK DANSK SUOMI EESTI POLSKI CESTINA 13 1 Sub menu OPERAT Table 19 Used to select operating mode Menu selection Meaning Factory setting 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 press 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 HEAT PUMP Operation with only heat pump permitted Note 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 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 components are activated manually 78 Installation instructions VMBMA702 13 2 Sub
54. a temperature must be at least 8 C above the heat pump The delta temperature should be 3 5 C for the brine system If none of the delta temperatures are reached the flow of the circulation pumps may need adjusting depending on the applicable heating system Noise check During transportation and installation there is a certain risk that the heat pump can be damaged components may move or get bent and this can cause noise Because of this it is important to check the heat pump when it has been installed and is ready to be commissioned to ensure that everything is in order The heat pump should be tested in both heating and hot water modes to ensure that there is no abnormal noise While doing this check that there is no abnormal noise in other parts of the house Noise is produced from the outdoor unit when the fan is in operation check during that manual operation that there is no disturbance in your own home as well as to any neighbours A noise kit is available for purchase for the outdoor unit for DHP A 10 and 12 if it is necessary to reduce the noise Select operating mode Set the heat pump to the desired operating mode in the menu INFORMATION gt OPERAT If necessary set certain parameters in the control system such as ROOM and CURVE 104 Installation instructions VMBMA702 17 3 Installing the front cover fy Caution Take care not to damage the front cover or display cables 1 Hook on the lower edge of the front cover 2
55. applies to Opti with speed controlled circulation pumps and only appears if ON in SERVICE gt INSTALLATION gt SYSTEM gt ADDITION gt OPTIMUM menu is selected Table 34 Used to change the circulations pumps operating settings Menu selection Meaning Factory setting TEMP DIFF CIRC Desired temperature difference between supply and return line 8 C i l for the heating system range 0 C 15 C TEMP DIFF BRINE Desired temperature difference between supply and return line 3 C i l for the brine system range 0 C 15 C START FLOW CIRC Speed control of the heating system s circulation pump in Volts 7V Higher voltage gives a greater circulation pump speed which range 3V 10V gives a lower temperature difference A low voltage gives a greater difference 3 10 Manually adjustable speed where 3 is low voltage and 10 is high voltage START FLOW BRINE Speed control of the brine system s circulation pump in Volts 10V Higher voltage gives a greater brine pump speed which gives a_ range 3V 10V lower temperature difference A low voltage gives a greater dif ference 3 10 Manually adjustable speed where 3 is low voltage and 10 is high voltage CONST FL CIRC 7V l z If TEMP DIFF CIRC is set to O the flow is continuous with this value range 3V 10V in the heating system Value indicated in Volts CONST FL BRINE 10V l If TEMP DIFF BR
56. b menu Settings Sub menu Settings SERVICE HOT WATER START HOT WATER TIME HEATING TIME TOPH INTERVAL TOPH TIME TOPH STOP INFL H W SENSOR WEIGHT HOT WATER HEAT PUMP INTEGRAL A1 HYSTERESIS MAX RETURN START INTERVAL ALARM BRINE PRESS PIPE OUTDOOR STOP SHUNT TIME SHUNT COOLING AUX HEATER MAX STEP INTEGRAL A2 HYSTERESIS MAX STEP MAX CURRENT HOT WATER STOP DELAY AFTER EVU EXT AUX HEATER EXT AUX HEATER INTEGRAL A3 TURN OFF DELAY REV V HOT WATER TOPH AUX 82 Installation instructions VMBMA702 Menu Sub menu Settings Sub menu Settings MANUAL TEST MANUAL TEST HEAT PUMP BRINE PUMP CIRC PUMP REV V HOT WATER SHUNT SYSTEM SHUNT HGW SHUNT AUX HEAT 1 AUX HEAT 2 AUX HEAT 3 EXT AUX HEATER EXT CIRC PUMP SHUNT DEFR FANL FAN H EXT AUX HEATER ALARM SHUNT COOLING SHUNT GROUP VK 2 SHUNT PASSIVE COOLING COOLINGA REV V POOL 0 10V Table 27 Used to change the heat pump s default settings continued Menu Sub menu Sub menu Sub menu Sub menu SERVICE INSTALLATION SYSTEM HEAT SOURCE GROUND OR ROCK OUTSIDE AIR BRINE SOLUTION DIRECT EVAP COOLING PASSIVE COOLING EXTERNAL INTEGRATED IN HP COOLING A EXTERNAL ROOM SENSOR POOL SHUNT GROUP BUFFER TANK BUFFER TANK SYSTEM SHUNT 2ND H C SHUNT ADDITION OPTIMUM HGW
57. brine pump CIRC PUMP REV V HOT WATER SHUNT 0 stop the circulation pump 1 start the circulation pump 0 heating mode for the exchange valve 1 hot water mode for the exchange valve closes shunt 0 shunt unaffected opens shunt SYSTEM SHUNT closes shunt 0 shunt unaffected opens shunt Only at buffer tank HGW SHUNT closes shunt 0 shunt unaffected opens shunt AUX HEAT 1 0 stop aux heater step 1 1 start aux heater step 1 AUX HEAT 2 0 stop aux heater step 2 1 start aux heater step 2 AUX HEAT 3 0 stop aux heater step 3 1 start aux heater step 3 EXT AUX HEATER 0 stop external auxiliary heater 1 start external auxiliary heater EXT CIRC PUMP 0 stop circulation pump 1 start circulation pump Installation instructions VMBMA702 87 Menu selection Meaning Factory setting SHUNT DEFR FANL FANH opens flow from defrosting tank 0 shunt unaffected closes flow from defrosting tank 0 stop fan 1 start fan at low speed 0 stop fan 1 start fan at high speed EXT AUX HEATER 0 0V on plinth 283 1 control voltage 230V on plinth 283 ALARM 0 stop signal on output External alarm 1 start signal on output External alarm SHUNT COOLING closes shunt 0 shunt unaffected opens shunt SHUNT GROUP closes shunt 0 shunt unaff
58. cates whether an external auxiliary heater is installed in the system nal auxiliary heater must con tinue to be active after its demand is no longer needed INTEGRAL A3 Indicates the value of the inte 300 gral when external auxiliary range 990 INTEGRAL heater is connected Al 10 TURN OFF DELAY Indicates how long the exter OM range OM 180M 86 Installation instructions VMBMA702 Menu selection Meaning Factory setting REV V HOT WATER Indicates whether the exchange valve for hot water is located before or after the external auxiliary heater Determines whether the external auxiliary heater may produce hot water INT EXT TOPH AUX Indicates whether the exter nal auxiliary heater can be used for anti legionella The exchange valve must be posi tioned after the external aux iliary heater O7von 14 4 Table 31 Sub menu MANUAL TEST Used to manually test and test operate the heat pump s components or signal outputs Menu selection Meaning Factory setting MANUAL TEST HEAT PUMP 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 0 stop heat pump 1 start heat pump Note The heat pump cannot be started in the event of an active alarm BRINE PUMP 0 stop the brine pump 1 start the
59. ce with the requirements in Great Britain This valve is located in the water tank and may not be used for any purpose other than connecting the outlet pipe Also note that for heat pump DHP H Opti Pro SP it is imperative that the hot water temperature is changed from default setting 95 C to 85 C Caution Piping installation must be carried out in accordance with applicable local rules and regulations The hot water tank must be equipped with an approved safety valve Caution To prevent leaks ensure that there are no stresses in the connecting pipes Caution It is important that the heating system is bled after installation Bleed valves must be installed where necessary Note Ensure that the pipe installation is carried out in accordance with the dimensions and connection diagrams Note Configure the heat pump for the desired system solution in the SERVICE ADD HEATER EXTERNAL ADDITION menu Connection heat transfer fluid Connection heat transfer fluid DHP H DHP H Opti Pro DHP C Installation instructions VMBMA702 39 The image shows the principles of a piping installation with all components 1 2 3 4 5 6 7 8 9 Figure 37 Principle solution for a piping 10 installation 11 12 13 14 15 8 1 2 Connection heat transfer fluid DHP L DHP L Opti Symbol explanation Supply line Return line Filler tap Flexible hose Shut off cock and strainer Flexible hose Safety valve 9 bar cold water Safety va
60. ck that the delivery is complete it must contain the outdoor unit front cover cover panel as well as a disassembled stand including necessary screws nuts and washers 7 3 1 Assembling the stand 1 Screw the two horizontal struts together 2 using the two ends 1 as illustrated below Use 10 x M6x10 screws The curved edges of the horizontal struts must be facing inwards 34 Installation instructions VMBMA702 Symbol explanation 1 Ends 2 Strut 3 Feet Figure 30 Assembling the stand 1 Screw the adjustable feet 3 into the holes under the ends 7 3 2 Preparing the outdoor unit While the outdoor unit remains on the pallet it should be prepared for placing on the stand Carry out the following 1 There are three M6x20 screws on the lower edge of the outdoor unit Unscrew them so that 2 3 mm of the thread remains Use a torx TX25 screwdriver or equivalent 1 Caution Do not lift the outdoor unit by its side panels when it is to be raised or moved 2 Raise the outdoor unit 3 Remove the side plates They are held in place by clamps and so are removed by pulling outwards Remove all four screwed lifting eyes Use a 13 mm wrench or equivalent Installation instructions VMBMA702 35 7 3 3 Assembling the outdoor unit on the stand 1 3 Lift the outdoor unit into the place on the stand Figure 31 Lift the outdoor unit onto the stand Screw the outdoor unit onto the stand Use 4 x M6x20 screws It may be n
61. cssnsececcsnsccccssseccecssseececensseeseenaee 24 48 Transporting the heat pump 26 49 Space requirement 26 4 10 Recommended lOCAtION sssssssesesssecceceessnsnnneeeeeseeeeeeessnnnnees 27 14 4 11 Space requirement outdoor unit DHP A DHP AL 28 4 12 Recommended location of outdoor unit DHP A DHP AL 28 Drilling holes for brine PiPes eecsecsssesccsseccsseeesnecsseceenteeeee 29 Separating the heat PUMP ssssccssesccsssecssessecesecsseeeecneceseteeeee 30 Unpacking and installation eessssecssescssssessseescseseccseeceseteeeee 33 71 Setting up 33 7 2 Removing the front cover 34 7 3 Unpacking and installing the outdoor unit s ssssssssssssss 34 Piping installation sesssseccseecsseeccssecsseccseeeessecesaeeecseecsneeesseesee 39 15 8 1 Connection heat transfer fluid ssesesssssssrssssessseesssesssresseress 39 8 2 System solution essctssssesscancesssdvscensndecconsslesntesetoansesnduescetacesotonters 41 8 3 System solution 2 44 8 4 System solution 3 46 8 5 REIA AE NEE EE E E E EE 49 8 6 Noise iNfOrmMAatiOn s ssssssssssesessssesssessseessresseressteseseeseresserssseesseessee 50 8 7 Connecting cold and hot water lin S sssssssssssssssrssssssssss 51 8 8 Connecting the heating system supply and return lines 51 8 9 Filling the water heater and heating system 8 10 Bleeding the heating system 16 Electrical Installation sesscsscsssssccsseccseecsssecssecesusecsnsecsneeeeneesee 53 9 1
62. culated maximum coil length between the HP and outdoor unit in metres press Size kPa Cu22 Cu28 PEM DN 25 PEM DN 32 i 20 0 i 25 6 i 21 0 i 28 0 6 30 34 133 48 173 2x 17 2 x 66 5 2 x 24 2 x 86 5 8 63 21 98 30 150 2 x 10 5 2 x 49 2x 15 2 x 75 10 50 11 47 13 78 2 x 5 5 2 x 23 5 2 x 6 5 2 x 39 12 43 5 26 8 44 2 x 2 5 2 x 13 2x 4 2 x 22 Not recommended because of high liquid speeds with risk of corrosion noise problems Connection of several brine coils When several brine coils are used for a heat pump installation regardless of what heat source is used the length of the coils must not exceed the values in the following tables The coil lengths are based on ethanol 30 at 0 C For hoses of type PEM DN 32 28 0 Table 12 Maximum coil length hose type PEM DN 32 i 28 0 DHP H DHP C DHP L Calculated maximum coil length per coil in metres Size 1 coil 2 coils 3 coils 4 coils 6 lt 390 lt 2 x 425 8 lt 300 lt 2 x 325 10 lt 270 lt 2 x 395 Installation instructions VMBMA702 63 DHP H DHP C DHP L Calculated maximum coil length per coil in metres 12 lt 190 lt 2 x 350 16 lt 70 lt 2x175 lt 3 x 183 4x 197 Table 13 Maximum coil length hose type PEM DN 32 i 28 0 DHP H Opti Pro DHP L Opti Calculated maximum co
63. daptation to the heating SyStem csssssssscccssessseessees 17 3 Installing the front COVED ssssssssssecccsseescccsseeceesseseccenseeeeeee 17 4 Aft r start Up eaa na tiaan Customer iNfOrMatiOn csessssssssssssscsecssscsssecsccsessssssseessseess Technical data DHP H ssssssessseseesssssessssssreecssseeecressssesesssseess Technical data DHP H Opti PrO ssssssssssssssssssssseeesessssssssseee Technical data DHP L eessesessesssesseessssssecsssssersssssssosesssseree Technical data DHP L Opti ssssssssrsessssssserrressssssssreressssssssee Technical data DHP C ssesessesesessesssessesscsssessesssseecsssssessssseres Technical data DHP A ssesssessesseesssssecesesserssssrerssssseresssseess Technical data DHP A Opti c sesssesssssssecssssssscssscssssseeeseeesees VMBMA702 1 26 Technical data DHP AL 27 Technical data DHP AL 2 VMBMA702 ODEs oa sssetessisscasaccsecscsssasteistaneesesicensaas 1 1 1 2 1 3 About the instructions Introduction The installation instructions start by describing heat pump data The installation instructions later give instructions in a logical order covering unpacking installation procedure and checking the installation References to chapters and sections within the instructions are in italics e g About the instructions References to menu options in the heat pump s control system are in upper case e g INFORMATION gt OPERAT gt
64. e 10 2 Information collector pipe i Caution Local rules and regulations related to type of collector must be followed 62 Installation instructions VMBMA702 10 3 10 4 Borehole collector Fully welded plastic pipe collector PEM PN 6 3 according to the applicable local and national regulations with factory manufactured return bend Ground collector Fully welded plastic pipe collector PEM PN 10 according to the applicable local and national regulations In countries where frost damage occurs the collector pipe beside an outer wall minimum 2 metres must be insulated in such a way that frost damage is prevented This applies regardless of ground rock or lake heat Minimum shaft depth between the energy well and the building is 0 5 m If burial to that depth is not possible the pipes must be protected against any external mechanical damage Figure 64 Connection to outdoor unit Shaft depth for and insulation of collector hoses Connection for the brine circuit from the heat pump to the outdoor unit can be carried out using pipes or hoses Depending on what connection is selected and what diameter the connection has there is a maximum length that the connection may be The maximum lengths in the table below are based on ethylene glycol which is mixed to anti freeze protection down to 32 C at 0 C Table 11 Max coil length between heat pump and outdoor unit DHP A DHP AL Ext avail Cal
65. e air between the valves 3 and 5 15 Close valve 3 and pressurise the system using the external pump 1 Caution Max 150kpa 1 5 bar 16 Close valve 5 17 For DHP A DHP AL close the defroster shunt in the control computer menu SERVICE gt MANUAL TEST gt SHUNT DEFR set the value to 0 18 Stop the external pump 11 and disconnect the filling equipment 19 Install insulation on the filler cock 10 8 Bleeding the brine circuit 1 Start the brine pump in the control system s menu SERVICE gt MANUAL TEST gt BRINEPUMP set the value to 1 Check that the level in the bleed tank 9 is stabilised Dismantle the safety valve 8 on the bleed tank Top up with brine to 2 3 of the tank through the connection on which the safety valve 8 was installed Leave the brine pump running so that that the air in the system collects in the bleed tank As air separates in the bleed tank the fluid level drops top up as in step 4 Reinstall the valve 8 when all air has been removed from the system Open valve 8 and release any overpressure The fluid level should not fall below 2 3 of the height of the tank Check that valve 3 is closed 0 Stop the brine pump in the control system s menu SERVICE gt MANUAL TEST gt BRINEPUMP set the value to 0 11 Switch to the desired operating mode if the heating system has been filled and bled ON Oo eR eM Collect any excess brine in a plastic container for topping up the
66. e buffer tank temperature if activated HOT WATER Indicates actual hot water temperature if activated INTEGRAL Shows the actual calculated value for integral BRINE IN Shows the actual temperature for brine in BRINE OUT Shows the actual temperature for brine out POOL Only appears if POOL is selected Shows the actual pool temperature The set pool temperature is shown in brackets COOLING Indicates temperature SHUNT GROUP Only appears if SHUNT GROUP is selected Shows the actual supply tempera ture The calculated supply temperature to the shunt group is within brackets 2ND HEAT CIR Shows the temperature of the second heating circuit if installed by the buffer tank system CURRENT Only appears if CURRENT LIMITER is selected Shows the actual current con sumption The set value for MAX CURRENT is shown in brackets Sub menu OPERAT TIME Table 23 Used to show the operating time for each component Time given in hours Menu selection Meaning Factory setting HEAT PUMP Compressor operating time for both heating and hot water production AUX HEATER Operating time of auxiliary heater HOT WATER Operating time for hot water with compressor Sub menu DEFROST Table 24 Used to obtain information about defrosting settings and to make defrosting settings Menu selection Meaning Factory setting DEFROSTS Total number of defrosts carried out BETW 2 DEFR The operating
67. e feet cannot compensate for it the installation engineer must remedy this Note It is recommended that the condensation drain is installed from the drip tray s drain pipe by lying the heat pump down The drain pipe opens through a hole in the base plate and has a 10 mm hose connection Note If the heat pump has been laid down it is recommended that it stands upright for at least an hour before commissioning 1 Move the heat pump to the installation site If there is little space the heat pump can be unpacked and separated 2 Remove the packaging Figure 27 Condensation drain connection 3 Install a condensation drain on the connection in the base plate if required 4 Set up the heat pump in the installation site a Figure 28 Adjusting the feet 5 Adjust the feet so that it is horizontal Installation instructions VMBMA702 33 7 2 Removing the front cover 1 Caution Do not damage the electrical wiring for the display when the front cover is removed To install the heat pump the front cover must be removed O Figure 29 Removing the front cover 1 Press against the front cover and turn the catch 90 degrees anti clockwise to release the front cover 2 Tilt the front cover outwards 3 Lift the front cover upwards to remove it from the heat pump 7 3 Unpacking and installing the outdoor unit The outdoor unit is packed and delivered in a crate 1 Start by unpacking the unit from the crate 2 Che
68. e hotter water for the heating system and hot water system when it is installed Figure 76 The pressure switches on the compressor s pressure pipe 1 Move the grey cables which are normally connected to pressure switch A to pressure switch B 74 Installation instructions VMBMA702 12 Menu information Menu description regards software with version 1 3 The heat pump has an integrated control system which automatically calculates the heat demand in the house to ensure that the correct amount of heat is produced and emitted where necessary There are many different values parameters which are required in order to do the calculation of the heat demand During installation and service the control panel is used to set and change values that have to be adapted according to the house demand The control panel consists of a display a keypad and an indicator In the display a simple menu system is used to navigate the desired settings and values During operation the display always shows the set ROOM value the operating mode and the status of the heat pump ROOM NO HEAT DEMAND Q OPERAT AUTO Figure 77 Display keypad and indicator Position Description 1 The display text and symbols are only shown as examples Certain symbols cannot be displayed at the same time 2 Keypad Plus sign used to scroll up a menu or increase the values Minus sign used to scroll down a menu or reduce the values
69. e inspection If a an external water heater is installed also check e Reversing valve e Safety valve for cold water 9 bar 16 1 2 Electrical Installation e Circuit breaker e Fuse protection 100 Installation instructions VMBMA702 16 1 3 16 2 16 2 1 16 2 2 16 2 3 e Direction of rotation of the compressor e Coolant pump e For DHP A DHP AL outdoor unit e For DHP A DHP AL defrost sensor e Positioning of the outdoor sensor e Control computer settings If a an external water heater is installed also check e Reversing valve Brine system e Expansion bleed tank on the return pipe e Safety valve for expansion tank e Filler cock on the return pipe e Insulation in the outside wall lead in e Other brine pipe insulation e Bleeding of brine system e Leakage inspection Manual test Test operate and at the same time check the function of the components Activate MANUAL TEST 1 Ensure that the main circuit breaker is on 2 Select operating mode in the menu INFORMATION gt OPERAT gt 3 Open the SERVICE menu by pressing and holding lt in for five seconds 4 Set the value for MANUAL TEST to 2 Test the brine pump 1 Start the brine system s brine pump by setting the value BRINE PUMP to 1 2 Check that the brine pump is running by e listening e putting a hand on the pump e checking that the level in the expansion tank is stable If the level is not stable there is air in the syst
70. eating system 18 High pressure switch peti Symbol explanation i 1 Defrosting tank 2 Water heater 3 TWS coil 4 Connection expansion line when outdoor unit is positioned at high level 5 Connection to TWS coil 6 Cold water line 22 mm T 7 Hot water line 22 mm al 8 Bleed valve at stainless steel water heater 9 Connection brine out during defrost 10 Connection brine from heat pump 11 Connection return pipe to heat pump Package contents Delivery check 1 Check that there is no transport damage The heat pump is packaged in cardboard 2 Remove the packaging and check that the delivery contains the following components Sizes 4 kW 10 kW Table2 Package contents 4 10kW Part no Quan Name tity 086U2369 1 Safety valve 9 bar 1 2 086U2701 1 Outdoor sensor 086U0896 1 Safety valve 1 5 bar 1 2 086U2824 1 Expansion and bleed tank P 24 Installation instructions VMBMA702 086U3427 ch Part no Quan Name tity 086U0026 5 Rubber bellows for 22 32 mm hole 086U6033 2 Flexible hose R20 L 550 Filler device DN25 Dirt filter with shut off DN20 4 7 3 Sizes 12 kW 16 kW Table 3 Package contents 12 16kW Part no Quan Name tity 086U2369 1 Safety valve 9 bar 1 2 086U2701 1 Outdoor sensor 086U0896 1 Safety valve 1 5 bar 1 2 086U2824 1 Expansion and bleed tank d P 086U0026 5 Rubber bellows for 22 32 mm hole
71. ecessary to push and pull the stand slightly in order to get the screw holes to align Caution When filling the brine system the outdoor unit must be bled using the bleed screws on the connecting pipes inside the side covers We recommend that you return to this instruction after the brine system has been filled Reinstall the side panels 7 3 4 Assembling the front cover 1 le a md Hook the lower edge of the front cover onto at least one of the three screws in the bottom edge of the stand Secure the upper edge of the front panel temporarily in the centre hole Use 1 x M6x15 torx TX25 Align all the three screws in the lower edge Screw the three screws in the lower edge fully Use a torx TX25 screwdriver or equivalent Secure the front panel s upper edge with the 2 x remaining M6x15 torx TX25 see figure below e lt lt SANG Figure 32 Secure the cover 36 Installation instructions VMBMA702 7 3 5 Install the cover 1 Hook the cover at the front edge on the front cover Figure 33 Hook the front cover into place 1 Secure the cover using a screw on each side Use 2 x cross head screws If the cover does not align with the side cover plates it may be necessary to drill new 3 mm holes e Mark for the new holes e Liftoff the cover e Drill the holes e Install and screw the cover into place Figure 34 Screw the front cover into place 7 3 6 Install cover 1 Hook the cover onto the stand Fig
72. ected opens shunt 2ND H C SHUNT closes shunt 0 shunt unaffected opens shunt Only at buffer tank PASSIVE COOLING 0 stop passive cooling 1 start passive cooling COOLING A 0 stop active cooling 1 start active cooling REV V POOL 0 normal mode for the exchange valve 1 pool mode for the exchange valve 0 10V Used for circulation pumps at BUFFER TANK 88 Installation instructions VMBMA702 14 5 Sub menu INSTALLATION Table 32 Used for settings that are set during installation Menu selection Meaning Factory setting SYSTEM Sub menu SERVICE gt INSTALLATION gt SYSTEM Note The menu selection in the SYSTEM menu varies depending on the selected values Tip start in the top menu and work downwards Menu selection Meaning HEAT SOURCE GROUND OR ROCK OUTSIDE AIR BRINE SOLUTION DIRECT EVAP COOLING PASSIVE COOLING EXTERNAL INTEGRATED IN HP COOLINGA EXTERNAL ROOM SENSOR on POOL ON SHUNT GROUP ON BUFFER TANK See sepa BUFFER TANK rate instruction for buffer SYSTEM SHUNT tank 2ND H C SHUNT ADDITION OPTIMUM ON HGW ON 0 10V EXT AUX HEATER FLOW SENSOR ON CURRENT LIMITER ON PHASE FAULT PHASE READING SERVICE TIME A Note Only used for test operation The heat pump counts 60 times as fast which means that the waiting
73. een reached range 0 20S 1 00S 92 Installation instructions VMBMA702 15 Important parameters 15 1 Heat production calculating The indoor temperature is adjusted by changing the heat pump s heat curve which is the control system s tool for calculating what the supply temperature should be for water that is sent out in the heating system The heat curve calculates the supply temperature depending on the outdoor temperature The lower the outdoor temperature the higher the supply temperature In other words the supply temperature of the water fed to the heating system will increase linearly as the outdoor air temperature falls The heat curve will be adjusted in connection with installation It must be adapted later on however to obtain a pleasant indoor temperature in any weather conditions A correctly set heat curve reduces maintenance and saves energy 15 2 CURVE 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 CURVE value indicates the supply temperature of the water that is wanted to the heating system at an outdoor temperature of 0 C Figure 79 Graph showing the set value 40 for CURVE Position Description 1 Temperature C 2 Maximum setpoint value 3 Outdoor temperature C Installation instructions VMBMA702 93 Position Description 4 ox 5 Set value standard 40 C In the e
74. em e listen for air If the pump does not start automatically perform manual start If there is air in the brine system bleed the system 5 Stop the brine pump by setting the value to 0 Test the circulation pump 1 Start the heating system circulation pump by setting the value CIRC PUMP to 1 2 Check that the circulation pump is running by carrying out the following e Listen e Place a hand on the pump Installation instructions VMBMA702 101 e Listen for air If the pump does not start see Starting circulation pumps manually If there is air in the heating system vent see Bleeding the heating system Stop the circulation pump by setting the value to 0 16 2 4 Test the exchange valve 1 Activate the 3 way valve by setting the value REV V HOT WATER to 1 2 Check that the indicator on the exchange valve s upper side changes position 3 If the indicator does not change position perform fault tracing 16 2 5 Test the compressor 1 Start the circulation pump by setting the value CIRC PUMP to 1 2 Start the heat pump compressor by setting the value HEAT PUMP to 1 At the same time as the value is set to 1 for HEAT PUMP the brine pump starts Warning Risk of burn injury the pressure pipe on the compressor can get up to 70 80 degrees in temperature after operating for a while Symbol explanation 1 Note Hot Figure 86 The pressure pipe should get hot during oper ation 1 Check that e the compressor is runn
75. ems with closed expansion tanks must also be supplied with approved pressure gauges Note If there is any risk of groundwater infiltration at wall lead ins for brine pipes watertight grommets must be used Note 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 Refrigerant i Caution Work on the refrigerant circuit must only be carried out by a certified engineer 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 Fire risk The refrigerant is not combustible or explosive in normal conditions 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 ventilated Refrigerant vapour is heavier than air and in enclosed spaces below the level of a door for example and in the event of leakage concentrations can arise with a resultant risk of suffocation due to a lack of oxygen Installation instructions VMBMA702
76. er with primary side drain 11 Drying filter 23 Return pipe sensor heating system 12 Expansion valve 24 Brine in to defrosting tank during defrosting 20 Installation instructions VMBMA702 4 6 4 6 1 DHP AL DHP AL Opti Dimensions and connections The brine pipes can be connected on either the left or right hand sides of the heat pump Ft n P ff 3 K 4 4 170 14 K ln Oo 13 Fi A QZ 12 Os s 11 io 40 10 40 10 Z Z 455 455 a 690 a 690 d Figure 15 Dimensions and connections heat pump and water heater Symbol explanation Heat pump 1 Brine in 28 Cu 5 2 Brine out during normal operation 28 Cu 6 3 Brine out during defrosting to hwh pos 8 28 Cu 7 4 Return line from water heater pos 9 28 Cu Symbol explanation Water heater 8 10 11 12 Connection for brine out when defrosting from pos 13 3 Water heater return pipe to pos 4 14 Bleed valve at stainless steel water heater 15 Brine out during defrosting 28 Cu 16 Hot water line 22 mm 17 Heating system supply pipe 22 Cu 6 10 kW 28 Cu 12 kW Heating system return pipe 22 Cu 6 10 kW 28 Cu 12 kW Lead in power and sensor lead Cold water line 22 mm Supply to water heater coil Brine expansion outlet when outdoor unit is positioned at high level Lead in sensor lead Safety valve for temperature and pressure only applies t
77. g to the following table Table 5 Electrical connection Component Connection Internal additional O card output for 6 kW normal connection heater External auxiliary O card output for 3 kW connected and fused with 086U9685 heater Additional shunt Terminal block 215 216 Internal exchange O card 214 normal connection valve For DHP L DHP L Opti the electrical connection for system solution 2 must be carried out according to the following table Table6 Electrical connection Component Connection Internal additional O card output for 6 kW normal connection heater External auxiliary Terminal block 210 heater Additional shunt Terminal block 215 216 Internal exchange O card 214 normal connection valve For DHP A DHP A Opti DHP AL DHP AL Opti the electrical connection for system solution 2 must be carried out according to the following table Table 7 Electrical connection Component Connection Internal additional O card output for 3 kW and 6 kW as well as Defrost card output for 6 kW normal connections heater External auxiliary heater Defrost card 283 connected and fused with 086U9685 Additional shunt Terminal block 215 216 Internal exchange valve O card 214 normal connection 56 Installation instructions VMBMA702 9 6 3 System solution 3 Note If necessary the external components must be fused using
78. gher hot water temperature Menu information 75 INFORMATION menu 13 1 Sub menu OPERAT 13 2 Sub menu HEAT CURVE ccscssssssssccccssssseesccsccssnecescesessnnesseees 79 13 3 Sub menu HEAT CURVE 2 sssssscccssssesccesssseeccesssueeccessnneeeees 79 13 4 Sub menu TEMPERATURE csscssscccsssssseseccccsssssececcessessseeeseees 80 13 5 Sub menu OPERAT TIME 13 6 Sub menu DEFROST 13 7 Sub menu LANGUAGE cssssssesscsssssseecccssssnecccesssssececesssneeeseees 81 SERVICE MERU anonieme s 82 14 1 Sub menu HOT WATER ssssssscccssssseseccccssssescccsesssneesesesssneeeeees 85 14 2 Sub menu HEAT PUMP s s sssssssssrsssresssrssssesssssesssessssresssessss 85 14 3 Sub menu AUX HEATER 14 4 Sub menu MANUAL TEST 14 5 Sub menu INSTALLATION 14 6 S b menu DEFROST ceccsccssssssssssccccesssnseseccesssssnscececeesssneeeseees 90 14 7 Sub menu OPTIMUM ccsssssssssccscesssssnsesccccssessnneessccceesssnnusssecs 91 14 8 Sub menu HGW sssssssssssssssssssssssssressseereesssseesssssesssseseessseeeressseee 92 Important parameters 15 1 Heat production calculating 15 2 15 3 15 4 LAT STOP AORERE EEN ES OEE RA 95 15 5 15 6 15 7 15 8 15 9 Start UP sadn caiisvssssnascducencevsavatoesssatcansddvauocebansapsoussssuanbrasrdvenndscondenniseds 16 1 Installation checklist 16 2 Manual test COMMISSIONING escsescseecseecssecseeesseeeseeete 17 1 Starting circulation pumps manually 17 2 A
79. have been carried out on a limited number of circulation pumps which can give variations in results Tolerances in the measurement methods can also give variations 1 For A2W35 according to EN14511 including circulation pumps and outdoor units 9 The pressure that must not be exceeded outside the heat pump without falling below the nominal flow 2 For A7W35 according to EN14511 including circulation pumps and outdoor units 10 The values apply to new heat pumps with clean heat exchangers 3 Heat pump with 3 kW auxiliary heater 1 N 1 5 kW 11 Sound effect level measured according to EN ISO 3741 at A7W45 EN 12102 4 Heat pump with 6 kW auxiliary heater 1 N 3 0 kW 12 Sound effect level measured according to EN ISO 3471 5 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW 13 Do not use propylene glycol or ethanol 6 12 kW aux heater compressor off 14 Heat pump with 12 kW additional heater 7 15 kW aux heater compressor off 15 Heat pump with 15 kW additional heater 8 Nominal flow Heat circuit A10K cooling circuit A3K 16 According to IEC6100 124 Installation instructions VMBMA702 VMBMA702
80. he compressor is also equipped with an internal protector that stops the compressor if it risks becoming overheated The internal protector cannot be reset manually the compressor must cool before it can be restarted No alarm connected to this protector Circulation pumps The circulation pumps have internal overload protectors which are reset automatically after cooling The overload protectors in circulation pumps for 10 16 kW heat pumps 8 12 kW air water heat pumps also activate the alarm for motor protection and block the heat pump s normal operation Indication and resetting occur in the same way as for the compressor Alarm mode If an alarm that affects the heat pump s normal operation is activated this will be indicated in the display window In order to further attract attention the heat pump will not produce hot water The heat pump will initially meet the heat demand using the compressor If this is not possible the built in electric heating element engages Auxiliary heater electric heating element Installation instructions VMBMA702 9 The auxiliary heater consists of an electric heating element mounted on the heating system supply line It has an overheat protector that switches off the electric heating element if it is at risk of becoming overheated The overheat protector s control unit is on the electrical panel Symbol explanation 1 Overheating protection 2 Reset button Figure 3 The overheat
81. iators under floor heating or water heater Return line The heating system s return line with flow direction from radiators under floor heating or water heater to the heat pump Circulation pump Circulation pump for heating system Refrigerant circuit The energy carrying circuit between the outdoor air and heating system Refrigerant The gas liquid that circulates in the refrigerant circuit Installation instructions VMBMA702 3 2 Important information Safety regulations A Warning Risk of personal injury Children are not permitted to play with the apparatus Warning As the water temperature in DHP H Opti Pro becomes extremely hot a mixer valve must be installed between the cold water and hot water pipes to ensure a lower domestic hot water temperature Warning Danfoss SP 1 phase heat pumps havea factory installed safety valve for temperature and pressure 10 bar 90 95 C in accordance with the requirements in Great Britain This valve is located in the water tank and may not be used for any purpose other than connecting the outlet pipe Also note that for heat pump DHP H Opti Pro SP it is imperative that the hot water temperature is changed from default setting 95 C to 85 C Caution 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 Caution This apparatus is not intended fo
82. ical data Mains power supply V 230 230 230 230 230 NES Rated output com kW 2 7 3 3 4 2 54 5 7 pressor Rated output circu kW 0 2 0 2 0 2 0 4 0 5 y lation pumps Auxiliary heater 3 kW 1 5 3 0 4 5 1 5 3 0 4 5 1 5 3 0 4 5 1 5 3 0 4 5 1 5 3 0 4 5 step Start current 17 11 21 26 28 Circuit breaker A 204 25 32 go 827 00 231 32 40 32 40 30 32 40 30 Performance Heat factor kw 3 52 5 33 7 51 9 40 11 0 16 4 CoP 3 90 4 04 Heat factor kW 3 42 5 38 COP 3 05 3 41 Incoming power kW 0 9 1 3 Nominal flow Cooling circuit I s 0 20 0 36 Heating circuit I s 0 09 0 14 External available Cooling circuit kPa 38 35 pressure Heating circuit kPa 51 48 Max Min temper Cooling circuit C 20 10 ene Heating circuit C 55 20 Pressure switches Low pressure MPa 0 08 Operation MPa 2 65 2 85 High pressure MPa 3 10 Water volume Water heater l i i i i Condenser l 0 8 1 6 1 9 2 1 2 1 2 9 Evaporator l 0 7 0 7 1 2 1 6 1 6 2 2 Installation instructions VMBMA702 111 DHP L 4 6 8 10 12 16 De superheater l Antifreeze Ethylene glycol Ethanol Number of units 1 Dimensions L x W mm 690x596x1538 xH Weight empty kg 140 145 150 155 165 175 Weight filled kg 145 151 157 162 172 184 Sound effect dB A 46 44 44 47 48 50 level Measurements have been carried out on a limited number of circulation pumps which can give varia
83. il length per coil in metres Size 1 coil 2 coils 3 coils 4 coils 6 lt 390 lt 2 x425 8 lt 320 lt 2 x 345 10 lt 250 lt 2 x 365 12 lt 170 lt 2 x315 16 lt 80 lt 2 x 200 lt 3x 207 lt 4 x225 For hose of type PEM DN 40 i 35 2 Table 14 Maximum coil length hose type PEM DN 40 i 35 2 DHP H DHP C DHP L Calculated maximum coil length per coil in metres Size 1 coil 2 coils 3 coils 4 coils 6 lt 1000 7 8 lt 750 E 10 lt 1000 12 lt 700 lt 2 x 1000 16 lt 220 lt 2 x 444 Table 15 Maximum coil length hose type PEM DN 40 i 35 2 DHP H Opti Pro DHP L Opti Calculated maximum coil length per coil in metres Size 1 coil 2 coils 3 coils 4 coils 6 lt 1000 8 lt 780 5 10 lt 980 12 lt 630 lt 2 x 1000 16 lt 250 lt 2 x 1000 When dimensioning size 16 a borehole depth that exceeds this recommendation for coil length is often required In such cases two coils should be used 64 Installation instructions VMBMA702 The different brine coils are distributed from a common collection well All return lines are led back to the well and are equipped with choke valves because the flow of each individual coil must be adjusted Symbol explanation 1 Brine coil 1 2 Brine coil 2 3 Choke valves 4 Collection well Figure 65 The collection well for dis
84. ing in the right direction by putting a hand on the pressure pipe before the com pressor starts the pipe is then cold Feel again after a short while to ensure the pressure pipe becomes properly hot e jt sounds normal and there is no noise 2 If the pipe does not get hot or if the compressor sounds abnormal perform fault tracing according to the service instructions Stop the compressor by setting the value to 0 Stop the brine pump by setting the value to 0 Stop the circulation pump by setting the value to 0 102 Installation instructions VMBMA702 16 2 6 16 2 7 16 2 8 16 2 9 Testing the auxiliary heating power stages 1 Start the circulation pump by setting the value CIRC PUMP to 1 AUX HEAT 1 1 Start the first auxiliary heating power stage by setting the value ADD HEAT 1 to 1 2 Check that the auxiliary heater step works by exiting the MANUAL TEST menu and entering the INFORMATION gt TEMPERATURE gt SUPPLY LINE menu and check that the temperature rises 3 Return to the menu MANUAL TEST and stop AUX HEAT 1 by setting the value back to 0 AUX HEAT 2 AUX HEAT 3 1 Repeat the steps in AUX HEAT 1 for AUX HEAT 2 and AUX HEAT 3 2 Stop the circulation pump by setting the value to 0 Test fuse protection 1 Start the circulation pump by setting the value CIRC PUMP to 1 2 Start the compressor by setting the value HEAT PUMP to 1 3 At the same time start the auxiliary heating power stages availab
85. le hoses as they are installed At threaded connections use a counterhold spanner Lhe X Sd Figure 51 Cut the hose to the correct length to avoid excess bowing out or stretching at bends OK De Figure 52 Cut the hose to the correct length to avoid excess bowing out or stretching and offset the ends so that the hose is installed completely straight Figure 53 Use fixed pipe bends to avoid excess stress on bends next to connections Preventative measures Some of the following points can also be used when troubleshooting e Do not install heat pumps on walls adjoining bedrooms 50 Installation instructions VMBMA702 8 7 8 8 Ensure that all pipes are elastically suspended with mountings as illustrated or similar This is so that the rubber or similar material compresses 1 to 2 mm under vibration It is not recommended to suspend the pipes from too many points as the force at each mounting is then not sufficient Figure 54 Elastic pipe suspension If the heat pump is located indoors and the ceiling in the area is unsuitable to suspend the aforementioned pipe mountings set up or construct special stands on the floor from which the pipes can be suspended Ensure that pipe lines do not lie against walls that they run along and that foam insulation is wrapped around the entire pipe not just on top of it Pipes inside the heat pump must not be against each other if they are clamp and secure suitable rubber pulling
86. le to check that the fuse protection can withstand full power operation Stop the auxiliary heating power stages and the compressor by setting the value back to 0 5 Stop the circulation pump by setting the value to 0 Test the outdoor unit for DHP A AL 1 Start the defroster shunt by setting the value SHUNT DEFR to 1 2 Start the fan at low speed by setting the FAN L value to 1 Check that the fan runs at low speed 3 Start the fan at high speed by setting the FAN H value to 1 Check that the fan runs at high speed Exit test operation Set the value for MANUAL TEST to 0 Installation instructions VMBMA702 103 17 17 1 17 2 17 2 1 17 2 2 Commissioning Starting circulation pumps manually If any of the circulation pumps do not start it may need to be helped as follows Figure 87 Location of the bleed screw Caution When bleeding the circulation pumps water can come into contact with electrical components Therefore protect the electric panel against water penetration 1 Open and remove the bleed screw on the front of the pump Ensure to catch the water that runs out when the screw is removed 2 Insert a flat blade screwdriver and turn it in the direction of rotation of the pump clockwise 3 Reinstall the bleed screw with its rubber seal Adaptation to the heating system Adjust the heat pump settings to the applicable heating system for instance an underfloor heating or radiator system The delt
87. lve Hot water hw Cold water cw Expansion Exp Expansion tank To drain Pressure gauge Safety valve for temperature and pressure only applies to certain models The image shows the principles of a piping installation with all components 1 Figure 38 installation Principle solution for a piping O ON DH BR UN oO 8 1 3 Connection heat transfer fluid DHP A DHP A Opti 40 Installation instructions VMBMA702 Symbol explanation Supply line Return line Pressure gauge Safety valve Shut off cock and strainer Connection to any water heaters Flexible hose Flexible hose Expansion tank To drain 8 1 4 8 2 The image shows the principles of a pipe installation with all components Symbol explanation 1 Supply line Return line Shut off cock and strainer Flexible hose Flexible hose Filler tap Safety valve 9 bar cold water Expansion tank oOo ON DH BW N Figure 39 Principle solution for a piping Safety valve installation jo Pressure gauge To drain N Expansion tank w Hot water BK Cold water nn Exp Exp BRINE a N O Safety valve for temperature and pressure only applies to certain models Connection heat transfer fluid DHP AL DHP AL Opti The image shows the principles of a piping and brine installation with all components Symbol explanation 1 Shut off cock and strainer Safety valve Filler tap Safety valve
88. means an active alarm Caution During a service that consists of replacing the display card all heat pump settings are reset to factory settings Therefore note current settings before replacement 76 Installation instructions VMBMA702 13 INFORMATION menu Open the menu by pressing the left or right button The menu also shows history and operating times Note The menu information below describes all possible parameters The parameters that appear in the display vary depending on the selections made in menus e g type of heat pump and on the connected hardware e g expansion card and defrost card Table 18 Used to change the heat pump s operating modes and to adjust the heat curve Menu Sub menu Sub menu Sub menu INFORMATION OPERAT CANCEL AUTO HEAT PUMP AUX HEATER HOT WATER MANUAL TEST HEAT CURVE CURVE MIN MAX CURVE 5 CURVE 0 CURVE 5 HEAT STOP REDUCTION TANK TEMP OVERCHARGE ROOM FACTOR POOL POOL HYSTERESIS HEAT CURVE 2 if shunt group is activated CURVE MIN MAX TEMPERATURE OUTDOOR ROOM SYSTEM SUPPLY SUPPLY LINE RETURN LINE BUFFER TANK HOT WATER INTEGRAL BRINE IN BRINE OUT POOL COOLING SHUNT GROUP 2ND HEAT CIR CURRENT OPERAT TIME Installation instructions VMBMA702 77 Menu Sub menu Sub menu Sub menu HEAT PUMP AUX HEAT 1 AUX HEAT 2 AUX HEAT 3 HOT
89. menu HEAT CURVE Table 20 Used to change settings for the heat curve Menu selection Meaning Factory setting CURVE Calculated supply temperature at 0 C outdoor temperature Shown as 40 C a graphic curve The curve will be limited by the set values of MIN and for under floor heating 30 C MAX range 22 C 56 C MIN Minimum permitted supply temperature if the temperature for heat 10 C stop has been reached and the heat pump has stopped range 10 C 50 C MAX Maximum calculated setpoint value of the supply temperature 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 OX 5 C Shown in the graph for CURVE range 5 C 5 C CURVE 0 Local increase or reduction of CURVE at an outdoor temperature of 0 C 0 C Shown in the graph for CURVE range 5 C 5 C CURVE 5 Local increase or reduction of CURVE at an outdoor temperature of OX 5 C Shown in the graph for CURVE range 5 C 5 C HEAT STOP Maximum outdoor temperature when heat production is permitted 17 C i 7 range 0 C 40 C If HEAT STOP applies the outdoor temperature must drop 3 C below the setting before HEAT STOP stops REDUCTION Only appears if the tariff control function has been activated Lowering 2 C set room temperature Active at 10 kO connection at EVU input range 1 C 10 C TANK TEMP Displayed if buffer tank is active Charges the buffer tank
90. minal flow 10 The values apply to new heat pumps with clean heat exchangers 11 Sound effect level measured according to EN ISO 3741 at A7W45 EN 12102 12 Sound effect level measured according to EN ISO 3741 13 Do not use propylene glycol or ethanol 14 Heat pump with 12 kW additional heater 15 Heat pump with 15 kW additional heater 16 According to IEC6100 27 Technical data DHP AL Opti Table 44 Technical data DHP AL Opti 6 8 10 12 Type Air water Refrigerant Type R404A Amount kg 0 95 1 45 1 50 1 60 Test pressurisation MPa 3 4 Design pressure MPa 3 1 Compressor Type Scroll Oil POE Electrical data Mains power supply V 400 3 N 50Hz Rated output com kW 2 0 2 3 3 6 4 4 pressor Rated output kW 0 3 0 3 0 4 0 6 circ pumps fan Auxiliary heater 5 kW 3 6 9 12 15 step Start current 12 10 18 17 Circuit breaker 103 16 20 206 163 164 20 20 163 16 20 20 16 204 25 25 257 2514 30 9 257 2514 30 257 3014 35 257 30 4 35 9 Electrical data Mains power supply V 230 1 N 50H i Rated output com kW 3 3 4 2 5 4 5 7 pressor Rated output kW 0 3 0 3 0 4 0 6 circ pumps fan Auxiliary heater 3 kW 1 5 3 0 4 5 step Start current 11 21 26 28 Circuit breaker 253 327 40 253 324 40 323 407 50 323 40 50 Performance Heat output kW 5 00 7 02 8 20 9
91. mum contact gap of 3 mm The maximum load for externally connected units is 2A DANGER Hazardous electrical voltage The terminal blocks are live and can be highly dangerous due to the risk of electric shock All power supplies must be isolated before electrical installation is started The heat pump is connected internally at the factory for this reason electrical installation consists mainly of the connection of the power supply Follow the separate installation instructions for the room sensor 6 Installation instructions VMBMA702 2 3 Commissioning Caution The installation may only be commissioned if the heating system and brine system have been filled and bled Otherwise the circulation pumps can be damaged Caution If the installation is only to be driven by an auxiliary heater during the installation ensure that the heating system is filled and the brine pump and compressor cannot be started This is carried out by setting the operating mode to AUX HEATER Installation instructions VMBMA702 7 3 Check and safety functions The heat pump has a number of check and safety functions to protect the installation against damage during abnor mal operating conditions The diagram below shows the heat pump s three circuits with respective safety functions Symbol explanation 1 Heat transfer fluid circuit 2 Safety valve heat transfer fluid circuit externally mounted Refrigerant circuit Operating pressure switch no
92. n read EVU function The EVU function prevents the operation of HEATPUMP ADD HEAT and CIRC PUMP as long as the contact is closed The text EVU STOP is shown in the display when this function is active e Activate the EVU function according to the electrical installation instructions Tariff control The room temperature lowering function provides a regular temporary lowering of the indoor temperature e Activate the tariff control function according to the electrical installation instructions e The extent of the tariff control is set in the menu INFORMATION gt HEAT CURVE gt REDUCTION Flow switch level switch In certain countries there is a requirement that the heat pump must be equipped with a level switch for the brine system Always check local rules and regulations before commissioning the heat pump Symbol explanation 1 Safety valve 2 Level switch 3 Floats Figure 75 Level switch in the expansion tank bleed tank e Connect the flow sensor according to the installation instructions supplied with the accessory Higher hot water temperature i Caution Does not apply to heat pumps with refrigerant R134a models ComfortDHP C 4H 5H och 7H Caution Never connect the heat pump to provide a higher temperature unless the heating or hot water systems require it Higher temperatures increase the load on the heat pump Installation instructions VMBMA702 73 If necessary the heat pump can be connected to produc
93. o certain models Installation instructions VMBMA702 21 4 6 2 Outdoor unit Figure 16 Outdoor unit dimensions and connections Symbol explanation 1 Brine in 28 Cu 2 Brine out 28 Cu Figure 17 Outdoor unit and connections Symbol explanation 1 Outdoor unit 5 Cover 2 Cover 6 Connection brine in to outdoor unit 3 Front cover 7 Connection brine out from outdoor unit 4 Stand 8 Connection drain drip tray Check that the delivery of the outdoor unit contains the following e Outdoor unit e Disassembled stand e Necessary screws nuts and washers e Defrost sensor 22 Installation instructions VMBMA702 4 6 3 Components The component image below shows a schematic of what the inside of a heat pump looks like There may be differences between different versions Figure 18 The components are shown above Symbol explanation 1 Heating system supply pipe 10 Drying filter 2 Brine out to outdoor unit 11 Expansion valve 3 Return pipe heating system 12 Shunt valve defrosting 4 Auxiliary heating immersion heater 13 Brine in to defrosting tank during defrosting 5 Electrical panel 14 Condenser 6 Heating system circulation pump 15 Compressor 7 Evaporator 16 Low pressure switch Installation instructions VMBMA702 23 4 7 4 7 1 4 7 2 Symbol explanation 8 Circulation pump coolant system 17 Operating pressure switches 9 Exchange valve h
94. o EN14511 including circulation pumps 3 According to IEC61000 4 Heat pump with 3 kW auxiliary heater 1 N 1 5 kW 5 Heat pump with 6 kW auxiliary heater 1 N 3 kW 6 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW 110 Installation instructions VMBMA702 7 The pressure that must not be exceeded outside the heat pump without falling below the nominal flow For the cooling circuit these valves require pipe dimension 40 x 2 4 8 Nominal flow Heat circuit A10 K cooling circuit A3 K 9 Fuse phase L1 size 4 has 1 phase compressor 10 The values apply to new heat pumps with clean heat exchangers 11 Sound effect level measured according to EN ISO 3741 at BOW45 EN 12102 Not available for this version Technical data DHP L Table 38 Technical data DHP L 4 6 8 10 12 16 Type Brine water Refrigerant Type R407C Amount kg 0 75 1 20 1 30 1 45 1 55 2 00 Test pressurisation MPa 3 4 Design pressure MPa 3 1 Compressor Type Scroll Oil POE Electrical data Mains power supply V 400 Steve Rated output com kw 2 7 2 0 2 3 3 6 4 4 5 6 pressor Rated output circu kW 0 2 0 2 0 2 0 4 0 5 0 5 lation pumps Auxiliary heater 3 kW 3 6 9 step Start current 17 12 10 18 17 18 Circuit breaker A 16 1 0 10 16 f 04 16 20 64 16 20 64 16 20 64 20 25 20 20 2 5 Electr
95. oad for externally connected units is 2A Note Electrical connection can also cause noise so this installation must be carried out appropriately An appropriate installation is where there is approximately 300 mm free cable between the heat pump and the building 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 Cable connection e When the cable is connected to the terminal block a screwdriver is used to open the terminal block see figure below Figure 55 Connecting cable to terminal block Installation instructions VMBMA702 53 9 2 9 3 Electrical components Symbol explanation 1 Terminal block applies to the expansion card Terminal block applies to DHP A DHP AL Defrost card applies to DHP A DHP AL Terminal block Space for Danfoss Online Warning decal Space for expansion card Motor protection for compressor Oo ODN DBD oT BR WN Automatic fuses 10 Resetting overheating protection Figure56 Thelocationofthecomponentsonthe 4 Control computer electrical panel 12 Soft starter card 4 P FoYoToYoKoKoToYoYoYoToIoKoToToToToloXoFoToToYeFoIeXeIeTere IIIA III IIIT T Figure 57 Recommended distance between trunking on the wall and trunking on the heat pump is 300 mm Connecting external supply voltage DAN
96. on 3 Symbol explanation 1 10 11 12 13 17 36 51 72 80 83 86 87 89 91 96 113 117 126 Heat pump Supply line Return line Cold water Hot water Water heater DHP AL Circulation pump Supply line sensor moved out from heat pump Additional shunt Shut off valve Non return valve Safety valve expansion heating system Safety valve cold water 9 bar Vacuum valve Strainer Flexible hose Expansion heating system External auxiliary heater Safety valve for temperature and pressure only applies to certain models In system solution 3 the heat pump can produce both heat and hot water and an external auxiliary heater oil boiler district heating or similar supports heat and hot water production and can support antilegionella The exchange valve for heating hot water is located after the external auxiliary heater which prevents the production of heating and hot water at the same time The integrated auxiliary heater can be used for heating and hot water production as well as for antilegionella The parameter TOPH AUX is used to determine if the external or internal auxiliary heater produces antilegionella The values of the integrals A2 and A3 are used to select if the external auxiliary heater is to step in before or after the integrated electrical auxiliary heater The heat pump control computer also controls an additional shunt located after the external addition For system solution 3 select in men
97. perature and pressure only applies to certain models 4 5 2 Outdoor unit Figure 12 Outdoor unit dimensions and connections Symbol explanation 1 Brine in 28 Cu 2 Brine out 28 Cu Figure 13 Outdoor unit and connections Symbol explanation 1 Outdoor unit 5 Cover 2 Cover 6 Connection brine in to outdoor unit 3 Front cover 7 Connection brine out from outdoor unit 4 Stand 8 Connection drain drip tray Check that the delivery of the outdoor unit contains the following e Outdoor unit e Disassembled stand e Necessary screws nuts and washers e Defrost sensor Installation instructions VMBMA702 19 4 5 3 Components The component image below shows a schematic of what the inside of a heat pump looks like There may be differences between different versions Wel be Figure 14 The components are shown above Symbol explanation 1 Water heater 180 litres 13 Brine out 2 Defrosting tank 14 Hot water temperature sensor displays maximum tem perature 3 Evaporator insulated 15 Control panel for control equipment 4 Exchange valve defrosting 16 Electrical panel 5 Exchange valve heating system 17 Heating system supply line 6 Supply line sensor 18 Compressor 7 Heating system circulation pump 19 Low pressure switch 8 Auxiliary heating immersion heater 20 Operating pressure switches 9 Brine pump brine system 21 High pressure switch 10 Brinein 22 Condens
98. ply line is affected at CURVE 40 with different settings for ROOM FACTOR In the event of a heating deficit Table 16 Heating deficit ROOM FACTOR Desired room tempera Actual room tempera Set point for supply line ture C ture C C 0 20 18 40 1 20 18 42 2 20 18 44 3 20 18 46 4 20 18 48 In the event of a surplus of heat the conditions are the opposite Table 17 Heat surplus ROOM FACTOR Desired room tempera Actual room tempera Set point for supply line ture C ture C C 0 20 22 40 1 20 22 38 2 20 22 36 3 20 22 34 4 20 22 32 1 Install the room temperature sensor in a location in the house where the room temperature is relatively constant e Centrally located in the house e At eye level e Notin direct sunlight e Notin a draft e Notin a room with alternative heating 2 Hang a thermometer next to the room temperature sensor in order to calibrate it after connecting it Connect the room sensor according to the electrical instructions After connecting the room temperature sensor it is calibrated by holding in both buttons for 15 seconds until the display starts to flash 5 Set the actual room temperature that the thermometer shows 72 Installation instructions VMBMA702 11 2 11 5 6 Wait 10 seconds until the display stops flashing If the display shows for indoor temperature no indoor temperature has bee
99. r Rated output kW 0 4 0 6 0 6 0 6 circ pumps fan Auxiliary heater 5 kW 3 6 9 12 15 step Start current 12 10 18 17 Circuit breaker 103 164 20 20 163 164 20 20 163 164 20 20 163 204 25 25 257 30 4 35 5 257 25 4 30 5 257 25 4 30 5 257 30 4 35 5 Electrical data Mains power supply V 230 1 N 50Hz Rated output com kW 3 3 4 2 5 4 5 7 pressor Rated output kW 0 4 0 6 0 6 0 6 circ pumps fan Auxiliary heater 3 kW 1 5 3 0 4 5 step Start current 11 21 26 28 Circuit breaker 253 32 40 253 32 40 323 40 50 323 404 50 Performance Heat factor kw 5 00 7 02 8 20 9 84 COP 2 85 3 10 2 85 3 00 Heat factor kW 5 90 7 96 9 85 11 3 COP 3 26 3 45 3 29 3 35 Incoming power kW 1 8 2 3 3 0 3 4 Nominal flow Cooling circuit I s 0 32 0 49 0 58 0 64 Heating circuit I s 0 14 0 22 0 22 0 28 External available Cooling circuit kPa 46 83 69 95 9 oe Heating circuit kPa 45 43 40 51 Lowest outdoor C 20 temperature for compressor start Max Min tempera Cooling circuit C 20 25 ture a Heating circuit C 55 20 Pressure switches Low pressure MPa 0 08 Operation MPa 2 65 2 85 High pressure Mpa 3 10 Installation instructions VMBMA702 121 DHP AL 6 8 10 12 Water volume Water heater l 180 Condenser l 1 3 2 2 2 7 2 7 Evaporator 1 0 1 3 1 3 1 6 Antifreeze 3 Ethylene glycol water solution with freezing point 32 1 C copper pipe
100. r 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 Caution The heat pump must be located in a frost free environment Caution The heat pump must be placed in an area with a floor drain of the heat pump with filled hot water tank see Technical data Caution To prevent leaks ensure that there are no stresses in the connecting pipes Caution It is important that the heating system is bled after installation Caution Bleed valves must be installed where necessary 1 Caution The heat pump must be located ona stable base The floor must be able to support the gross weight 4 Installation instructions VMBMA702 2 1 2 1 1 2 1 2 Caution The hot water tank must be equipped with an approved safety valve and safety valves Caution Cold and hot water pipes and overflow pipes from safety valves must be made of heat resistant and corrosion 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 Caution 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 i Caution Heating syst
101. rculation pumps 8 Nominal flow Heat circuit A10 K cooling circuit A3 K 3 According to IEC61000 9 Fuse phase L1 size 4 has 1 phase compressor 4 Heat pump with 3 kW auxiliary heater 1 N 1 5 kW 10 The values apply to new heat pumps with clean heat exchangers 5 Heat pump with 6 kW auxiliary heater 1 N 3 kW 11 Sound effect level measured according to EN ISO 3741 at BOW45 EN 12102 6 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW Not available for this version 108 Installation instructions VMBMA702 20 Technical data DHP H Opti Pro Table 37 Technical data 6 8 10 12 16 DHP H Opti Pro Type Brine water Refrigerant Type R407C Amount kg 1 15 1 35 1 40 1 55 1 70 Test pressurisation MPa 3 4 Design pressure MPa 3 1 Compressor Type Scroll Oil POE Electrical data Mains power supply V 400 oa Rated output com kw 2 0 2 3 3 6 4 4 5 6 pressor Rated output circula kW 0 1 0 1 0 2 0 2 0 4 tion pumps Auxiliary heater 3 step kW 3 6 9 Start current A 12 10 18 17 18 Circuit breaker A 104 16 20 164 16 20 164 16 20 164 20 25 204 20 25 Electrical data Mains power supply V 230 230 230 230 bs TEN S0 hig Rated output com kw 13 3 4 2 5 4 5 7 pressor Rated output circula kW 0 1 0 1 0 2 0 2 tion pumps Auxiliary heater 3 step
102. rds Position Description 1 Supply temperature C 2 Maximum supply temperature 3 Outdoor temperature C The relationship of the supply temperature to the outdoor temperature will not be affected The supply temperature will be increased or reduced by the same number of degrees all along the heat curve I E The entire heat curve rises or drops instead of the curve gradient changing This method of adjusting the indoor temperatures can be used for a temporary raise or drop For long term increases or reductions of the indoor temperature the heat curve should be adjusted 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 circulation 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 temperature must drop 3 C when setting before the heat stop is de activated MIN and MAX The MIN and MAX values are the lowest respectively highest set point values that are allowed for the supply tem perature Adjusting the minimum and maximum supply temperatures is particularly important if your home has under floor heating If your house has under floor heating and
103. rement methods can also give variations 1 For A2W35 according to EN14511 including circulation pumps and outdoor units 9 The pressure that must not be exceeded outside the heat pump without falling below the nominal flow 2 For A7W35 according to EN14511 including circulation pumps and outdoor units 10 The values apply to new heat pumps with clean heat exchangers 3 Heat pump with 3 kW auxiliary heater 1 N 1 5 kW 11 Sound effect level measured according to EN ISO 3741 at A7W45 EN 12102 4 Heat pump with 6 kW auxiliary heater 1 N 3 0 kW 12 Sound effect level measured according to EN ISO 3741 5 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW 13 Do not use propylene glycol or ethanol 6 12 kW aux heater compressor off 14 Heat pump with 12 kW additional heater 7 15 kW aux heater compressor off 15 Heat pump with 15 kW additional heater 8 Nominal flow Heat transfer fluid A10K cooling circuit A3K 16 According to IEC61000 120 Installation instructions VMBMA702 Technical data DHP AL Table 43 Technical data DHP AL 6 8 10 12 Type Air water Refrigerant Type R404A Amount kg 0 95 1 45 1 50 1 60 Test pressurisation MPa 3 4 Design pressure MPa 3 1 Compressor Type Scroll Oil POE Electrical data Mains power supply V 400 3 N 50Hz Rated output com kW 2 0 2 3 3 6 4 4 presso
104. revent them floating Figure 60 Lake water as heat source 10 1 3 Ground water heating Ground water can be used as a heat source on the condition that there is a sufficiently large flow of ground water in the borehole A submersible pump is lowered in one hole and pumps up groundwater which flows through a separate heat exchanger and is then returned through another borehole The heat pump has a short brine circuit that works directly against the separate groundwater exchanger 60 Installation instructions VMBMA702 When ground water is used as a heat source the heat pump installation must be equipped with a flow sensor available as an accessory that stops the heat pump if the flow in the brine line is too low which can create a risk of freezing in the ground water exchanger Figure 61 Ground water as heat source Installation instructions VMBMA702 61 10 1 4 Ground heat The stored heat energy in the ground can be used as a heat source In this case a brine loop or loops is are laid under the surface layer of ground Figure 62 Ground as heat source 10 1 5 Air heat The DHP A andDHP AL heat pumps are equipped with an outdoor unit that uses outdoor air as a heat source DHP AL can make use of the energy in the air outdoors down to temperatures of 20 degrees To obtain the correct airflow through the outdoor section it is equipped with a fan Figure 63 Connecting outdoor unit to use air as heat sourc
105. rmal Operating pressure switch alternative High pressure switch Low pressure switch Brine circuit oO ODN DU HR W Safety valve brine fluid circuit externally mounted Figure 1 Check and safety functions Heat transfer fluid circuit 1 If the pressure in this circuit exceeds the opening pressure for the safety valve 2 the valve opens releases the overpressure and closes again The safety valve overflow pipe must have an open connection to the drain and visibly flow into this in a frost free environment Refrigerant circuit 3 The refrigerant circuit s high pressure side is equipped with a high pressure switch 6 and two operating pressure switches 4 5 only one of which is connected The connected operating pressure switch stops the compressor when the working pressure is reached which is when sufficient heat energy has been produced If the operating pressure switch does not work and the pressure continues to increase in the circuit the high pressure switch activates when its break pressure is reached whereupon the compressor stops and the heat pump s normal operation is blocked If the high pressure switch is activated an alarm indicator flashes on the heat pump s control panel and a warning text appears in the display of the control panel The blocked heat pump is reset by setting the operating mode to OFF and then back to the previously selected mode AUTO HEAT PUMP ADD HEATER HOT WATER The low pressure swi
106. rval for DEFR CURVE 0 is a brine return between 5 C and 15 C at 0 C outdoor temperature Outdoor temperature Set value for DEFR CURVE 20 A WON oS The value for OUTDOOR STOP corresponds to the fact that the compressor will no longer be used for heating or hot water production if the outdoor temperature is the same as or lower than the value Heating and hot water production will then be produced with the help of the auxiliary heater The value for DEFR CURVE 0 is the temperature that the brine return is permitted to reach when a defrost must start at outdoor temperature 0 C In the corresponding way the value for DEFR CURVE 20 is the temperature that the brine return has when a defrost should start at the set outdoor temperature for OUTDOOR STOP The setting for DEFR CURVE 20 means that the value OUTDOOR STOP 20 C is reduced by between 1 and 8 degrees This also determines how much lower the temperature for the brine return may be than 20 C in this case Figure 85 Graph that shows how the value for DEFR CURVE 20 can be set 1 Temperature input brine line 2 Set value for DEFR CURVE 0 3 Outdoor temperature 4 Set value for OUTDOOR STOP 20 C 98 Installation instructions VMBMA702 5 Adjustable value for DEFR CURVE 20 is 1 C to 8 C lower than OUTDOOR STOP These three settings together create the defrosting curve and all three values have an effect on when defrosting will start even if it is mainly DEFR CURVE 0
107. ry in 1M minutes The history graphs always show the 60 last collection range 1M 60M 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 BRINE TIMEON The brine pump starts the set number of seconds before the com 30S pressor Applies at start of heat pump range 10S 90S BRINE TIME OFF The brine pump stops the set number of seconds after the com 30S pressor Applies at stop of heat pump range 10S 60S 14 6 Sub menu DEFROST The menu applies to DHP A DHP AL with defrost card and only appears if OUTDOOR AIR in SERVICE gt INSTALLATION gt SYSTEM gt HEAT SOURCE menu is selected Table 33 Used to change settings for outdoor unit defrost Menu selection Meaning Factory setting DEFR CURVE 0 Used to set the temperature of the heat pump s brine return at which 10 C defrosting should start at 0 C outdoor temperature using or in the display See Important parameters for more information range 15 C 5 C The graph can be changed up or down at 0 C outdoor temperature DEFR CURVE xx using or value The number of degrees shown after DEFR CURVE in the display is in the top right corner of the display information Used to set the temperature at which the heat pump s brine return is to start a defrost at the set outdoor temperature for OUTDOOR STOP OUTDOOR STOP
108. t protection down to 32 1 C 10 7 1 Calculated volume DHP H C L The volume of the brine system is calculated as follows e Heat pump exchanger and piping approximately 2 litres e Expansion tank approximately 3 litres e Collector single pipe PEM 40 approximately 1 0 litre m PEM 32 approximately 0 6 litre m Cu 28 approximately 0 5 litre m 10 7 2 Calculated volume DHP A AL The volume of the brine system is calculated as follows e Heat pump exchanger pipe and outer jacket approximately 47 litres e Expansion tank approximately 3 litres e Outdoor unit approximately 7 litres e Collector single pipe 28 mm pipe approx 0 5 litre m 68 Installation instructions VMBMA702 10 7 3 Filler cock When the filler cock is installed on the return pipe remember to turn the strainer cover upwards in order to minimise the amount of air that gets into the brine system when cleaning the filter Symbol explanation 3 Shut off valve 4 Shut off valve pA 5 Shut off valve 4 6 G 6 Strainer 7 Shut off valve Figure 72 Filler cock Figure 73 Filling the brine system 2 for ooN o 12 Symbol explanation 1 Brine in Brine out Shut off valve part of the filler cock Shut off valve part of the filler cock Shut off valve part of the filler cock Strainer part of the filler cock Shut off valve part of the filler cock Safety valve 1 5 bar O OO N OAU RA U N Bleed and expansion tank
109. t pump side Caution When the brine lines are connected to the right for DHP AAtria och Atria Optimum the brine out line must be routed over the brine pump under the compressor s vacuum pipe and under the condenser s flexible hose see figure below Figure 71 The brine s supply line 1 Install the out pipe with all the accompanying components Installation instructions VMBMA702 67 2 Install the expansion tank with the safety valve 3 Fit both brine pipes with anti diffusion insulation running all the way from the heat pump to the lead in in the wall The brine pipes running outside the house to the collector can be buried however they must be well insulated Caution Applies from AtriamodellernaDHP A DHP AL Bear in mind that the outdoor unit may move during defrosts use flexible hoses to connect the pipes from the heat pump and pipes on the outdoor unit 10 7 Filling the brine system 1 Caution Before filling the brine system the electrical installation must be completed so that it is possible to operate the brine pump i Caution Before filling the brine system for AtriamodellernaDHP A DHP AL the water heater MUST be filled Note Anti freeze with corrosion protection additives must be used and mixed to achieve frost protection down to 15 C for Diplomat DuoDHP L ComfortDHP C and DiplomatDHP H Note Use only ethylene glycol as anti freeze for AtriaDHP A and Atria DuoDHP AL mixed to achieve fros
110. tallation instructions VMBMA702 43 8 3 System solution 2 In system solution 2 the heat pump can produce both heat and hot water and an external auxiliary heater oil boiler electric boiler district heating or similar supports heat production but not hot water production The exchange valve for heating hot water is located ahead of the external auxiliary heater which allows the production of heating and hot water at the same time The integrated auxiliary heater can be used for heating and hot water production as well as for antilegionella The values of the integrals A2 and A3 are used to select if the external auxiliary heater is to step in before or after the integrated electrical auxiliary heater The heat pump control computer also controls an additional shunt located after the external addition For system solution 2 select in menu SERVICE AUX HEATER EXTERNAL ADDITION EXT AUX HEATER ON REV V HOT WATER INT 8 3 1 Example system solution 2 System solution for DHP H DHP H Opti Pro DHP C DHP A DHP A Opti Symbol explanation PX C gt 10 1 Heat pump ae lt 11 10 Supply line 11 Return line IO ENG 12 Cold water i ae irculation pump s pt 51 Supply line sensor moved out from heat pump 629 72 Additional shunt 96 e i 8 80 Shut off valve 83 Non return valve 86 Safety valve expansion heating s
111. tch 7 stops the compressor and blocks the heat pump s operation if the pressure becomes too low in the cooling circuit s low pressure side If the low pressure switch is activated the heat pump s normal operation is blocked an alarm indicator on the heat pump s control panel flashes and a warning text appears in the display of the control panel The blocked heat pump is reset by setting the operating mode to OFF and then back to the previously selected mode AUTO HEAT PUMP ADD HEATER HOT WATER Brine circuit 8 If the pressure in this circuit exceeds the opening pressure for the safety valve 9 the valve opens releases the overpressure and closes again The safety valve overflow pipe must have an open connection to the drain and visibly flow into this in a frost free environment Compressor 8 Installation instructions VMBMA702 The compressor is equipped with a thermal over current relay to protect it against over current Symbol explanation 1 Thermal over current relay F11 Figure2 Thethermalovercurrent relay on the electrical panel If the thermal over current relay 1 is activated the heat pump s normal operation is blocked an alarm indicator on the heat pump s control panel flashes and a warning text appears in the display of the control panel The blocked heat pump is reset by setting the operating mode to OFF and then back to the previously selected mode AUTO HEAT PUMP ADD HEATER HOT WATER T
112. the START temper range 1K 10K ature for hot water and this value Example 40 3K at a temperature of 43 C in the water heater the shunt switches to the heating system MAX TEMP Max temperature of the water in the water heater The temperature is 95 C measured on the peak sensor in the water heater range 60 C 100 C Note Domestic hot water can have this temperature which can mean that an external mixer valve may be required START HGW The number of seconds the HGW shunt is to open at HGW start is the 7S starting point of shunt opening The opening time for the HGW shunt range OS 30S from fully closed to fully open towards the water heater is 30 seconds INITIALIZING HGW The time in seconds before control of HGW shunt starts after HGW start 60S range 10S 90S INTEGRAL DELAY Delay of integral calculation in seconds after the integral value for HGW 10S has been reached range 5S 120S HGW SHUNT TIME The time that the signal is active to open or close the HGW shunt com 35S pletely range 15S 60S HGW INT BOUND Integral value parameter for HGW 60 range 10 120 HGW INTEGRAL Shows the actual value for the HGW integral Plus indicates that the shunt opens towards the hot water heater and minus indicates that the shunt opens towards the heating system PULSE WIDTH How long the plus or minus signal to the shunt is to be high when the 0 25S HGW integral has b
113. the pipes apart by hand only helps temporarily If the heat pump is on an unstable surface position rubber feet designed for its weight underneath If necessary use rubber straps to secure flexible hoses in position so that they do not lie against each other or create vibration bridges Ensure that electrical wiring is not put under strain if it is it creates vibration bridges If possible install the heat pump in a location that is sound insulated from areas that are frequented by residents Soundproofing measures to carry out afterwards Go through the aforementioned points and improve if possible Hood for compressor most effective for high frequencies Improve the acoustic environment of the heat pump by installing acoustic panels on the walls and ceiling In some instances it is recommended that the heat pump is moved to another area Connecting 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 relevant system Connecting the heating system supply and return lines For information on how flexible hoses should be installed 1 2 Connect the supply pipe with a flexible hose connection and with all the necessary components Connect the return pipe with a flexible hose connection and with all the necessary components including a filter Insulate the supply and return lines Connect the expansion tank to the expansion
114. the season and weather conditions and is not constant The heat demand can be expressed as temperature difference over time and can be calculated giving an integral value as a result heat demand To calculate the integral value the control system uses several parameters A heat deficit is needed to start the heat pump and there are two integral values A1 default value 60 which starts the compressor and A2 factory set 600 which starts the auxiliary heater and A3 which starts the external auxiliary heater During heat production the deficit reduces and when the heat pump stops the inertia in the system causes a surplus of heat The integral value is a measurement of the area under the time axis and is expressed in degree minutes The figure below shows the factory settings for the integral values that the heat pump has When the integral value has reached the set value for INTEGRAL A1 the compressor starts If the integral value does not reduce but continues to increase the internal additional heat will start when the integral value reaches the set value for A2 and the external value at set value for A3 Figure 82 Symbol explanation 1 oO oOo N DU BP WN a a ae BRB WN O Integral Heat surplus INTEGRAL A1 INTEGRAL A2 Heating deficit Time Heat pump operation No operation Compressor Internal additional heater Compressor start A1 Auxiliary heater start A2 Aux heater stop latest by A1 Compressor
115. the side panels forward and then upwards and outwards to remove them 30 Installation instructions VMBMA702 Figure 23 Top panel and side panels 11 12 Slacken off the screws that hold the rear panel and remove it Disconnect the electrical connectors at the exchange valve circulation pump and electrical auxiliary heater Disconnect the cables for the following sensors at the electrical panel e Supply line 301 302 e Hot water 311 312 e Top sensor 325 326 Unscrew the electrical panel s screws Turn the electrical panel through 180 degrees and place it in front of the heat pump Figure 24 Electrical panel 13 Disconnect the T pipe connector from the return line under the heater see figure below Installation instructions VMBMA702 31 14 Disconnect the flexible hose at the electrical auxiliary heater see figure below Figure 25 Connections 15 Unscrew the four screws in the corners that hold the water heater s bottom plate Warning Always use two people for heavy lifting 16 Lift off the unit with the water heater pipe and electrical auxiliary heater Figure 26 Separating 17 Put the unit down carefully on a floor protector 32 Installation instructions VMBMA702 7 Unpacking and installation 7 1 Setting up Note The heat pump has feet that can be adjusted to compensate for irregularities in the surface on which it is sitting If the surface is so irregular that th
116. tions in results Tolerances in the measurement methods can also give variations 1 At BOW35 according to EN14511 including circulation pumps 2 At BOW45 according to EN14511 including circulation pumps 3 According to IEC61000 4 Heat pump with 3 kW auxiliary heater 1 N 1 5 kW 5 Heat pump with 6 kW auxiliary heater 1 N 3 kW 6 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW 112 Installation instructions VMBMA702 7 The pressure that must not be exceeded outside the heat pump without falling below the nominal flow For the cooling circuit these valves require pipe dimension 40 x 2 4 8 Nominal flow Heat circuit A10 K cooling circuit A3 K 9 Fuse phase L1 size 4 has 1 phase compressor 10 The values apply to new heat pumps with clean heat exchangers 11 Sound effect level measured according to EN ISO 3741 at BOW45 EN 12102 Not available for this version 22 Technical data DHP L Opti Table 39 Technical data 6 8 10 12 16 DHP L Opti Type Brine water Refrigerant Type R407C Amount kg 1 20 1 35 1 45 1 55 2 00 Test pressurisation MPa 3 4 Design pressure MPa 3 1 Compressor Type Scroll Oil POE Electrical data Mains power supply V 400 oa Rated output com kw 2 0 2 3 3 6 4 4 5 6 pressor Rated output circula kW 0 1 0 1 0 2
117. tributing to several brine coils Choke valves with flow indicators available as accessories from the Danfoss range are used to adjust the brine flow so that it is the same in all coils If choke valves with flow indicators are not available adjust the valves until the temperature of all the coil return hoses is the same 10 5 Connection diagram 10 5 1 DHP H DHP H Opti Pro DHP L DHP L Opti Symbol explanation 1 Brine in Brine out Shut off valve part of the filler cock Dirt valve Safety valve 1 5 bar Bleed and expansion tank N DO wu A U N F bps Shut off val Figure 66 General connection diagram brine lines aaa 10 5 2 DHP C Symbol explanation 1 Brine in Brine out Shut off valve part of the filler cock Strainer Safety valve 1 5 bar Bleed and expansion tank N DO WV A WU N Shut off valve Figure 67 General connection diagram brine lines Installation instructions VMBMA702 65 10 5 3 DHP A DHP A Opti If the outdoor unit is installed higher than the heat pump the expansion outlet must be used together with a pressure tank If the outdoor unit is installed at the same level or lower than the heat pump the accompanying plastic vessel can be used The upper part of the outdoor unit must then not exceed the fluid level in the vessel Symbol explanation 1 Brine in Brine out Shut off valve part of the filler cock Strainer Safety valve 1 5 bar Bleed and expansion tank
118. tructions in the User manual The applicable warranties Where the customer is to turn for servicing Finally fill in the references at the back of the Maintenance instructions 106 Installation instructions VMBMA702 19 Technical data DHP H Table 36 Technical data DHP H 4 6 8 10 12 16 Type Brine water Refrigerant Type R407C Amount kg 0 75 1 20 1 30 1 45 1 55 2 00 Test pressurisation MPa 3 4 Design pressure MPa 3 1 Compressor Type Scroll Oil POE Electrical data Mains power supply V 400 Steve Rated output com kW 2 7 2 0 2 3 3 6 4 4 5 6 pressor Rated output circu kW 0 2 0 2 0 2 0 4 0 5 0 5 lation pumps Auxiliary heater 3 kW 3 6 9 step Start current 17 12 10 18 17 18 Circuit breaker A 1 67 1 0 10 1 04 16 20 l 64 16 20 6 16 20 64 20 25 20 20 25 16 Electrical data Mains power supply V 230 230 230 230 230 ENED Rated output com kW 2 7 3 3 4 2 54 5 7 pressor Rated output circu kW 0 2 0 2 0 2 0 4 0 5 lation pumps Auxiliary heater 3 kw 1 5 3 0 4 5 1 5 3 0 4 5 1 5 3 0 4 5 1 5 3 0 4 5 1 5 3 0 4 5 step Start current 17 11 21 26 28 Circuit breaker A 20 25 32 23 32140 PRAD Se Ae eo 32 40 50 7 Performance Heat factor kw 3 52 5 33 7 51 9 40 11 0 16 4 CoP 3 90 4 04 4 34 4 24 4 20 3 99 Heat factor kw 3 42 5 38 7 40 9 24 10 6
119. u SERVICE AUX HEATER EXTERNAL ADDITION EXT AUX HEATER ON REV V HOT WATER EXT 46 Installation instructions VMBMA702 8 4 1 Example system solution 3 System solution for DHP H DHP C DHP A DHP A Opti Hs SE gt X 2 Figure 47 Example system solution 3 Symbol explanation 1 10 11 12 13 36 51 72 77 80 83 86 87 89 91 96 113 117 126 Heat pump Supply line Return line Cold water Hot water Circulation pump Supply line sensor moved out from heat pump Additional shunt Reversing valve Shut off valve Non return valve Safety valve expansion heating system Safety valve cold water 9 bar Vacuum valve Strainer Flexible hose Expansion heating system External auxiliary heater Safety valve for temperature and pressure only applies to certain models Installation instructions VMBMA702 47 8 4 2 Example system solution 3 System solution for DHP L DHP L Opti BONO Figure 48 otf gt Cease 5 FESTA 28K a cel eee AL bu Example system solution 3 48 Installation instructions VMBMA702 Symbol explanation 1 10 11 12 13 18 36 51 72 77 80 83 86 87 89 91 96 113 117 126 Heat pump Supply line Return line Cold
120. ure 18 C range 0 C 30 C 14 3 Sub menu AUX HEATER Table 30 Used to change the heat pump stages operating settings Menu selection Meaning Factory setting to pass before the auxiliary heater may be activated MAX STEP Maximum number of permitted steps for auxiliary heating l O no auxiliary heating permitted Means that only AUTO y gp y or HEAT PUMP can be selected range O 1 2 3 4 5 4 5 INTEGRAL A2 Two conditions must be fulfilled in order to start the auxiliary 600 heater the integral s value to start must be less than integral range 50 990 A2 and the supply temperature must be 2 C lower than the calculated temperature See Important parametersfor more information HYSTERESIS If the difference between the actual supply temperature and 20 C the calculated supply temperature is too great see Important range 5 C 30 C parameters either the integral value is set to start value A2 starts the auxiliary heater or to 0 stops the auxiliary heater MAX CURRENT Refers to main fuse in the unit in amperes 20 range 16 35 HOT WATER STOP Stop temperature for hot water during AUX HEATER The 60 C value is read off by the hot water sensor range 50 C 65 C DELAY AFTER EVU Time in minutes Indicates how many minutes after EVU are 30M range OM 120M EXT AUX HEATER Menu selection Meaning EXT AUX HEATER Indi
121. ure 35 Hook the cover onto the stand Installation instructions VMBMA702 37 7 3 7 Assembling the defrost sensor Figure 36 Hook the defroster sensor into place 1 Slide the mounting for the defroster sensor into the hole on the reverse of the outdoor unit until the cover hooks into place on the edge 2 Secure the defroster sensor at the bottom of the mounting using a cable tie The outdoor unit is now mounted and can be adjusted on the site where it should be set up 7 3 7 1 Conversion table The conversion table for the defrost sensor is the same as the one used for the outdoor unit sensor 150 ohm Note When reading the resistance of the sensor the sensor contacts must first be disconnected from the control equipment Table 4 Conversion table outdoor sensor defrost sensor Outdoor sensor defrost sensor C ohm Q 30 1884 25 1443 20 1115 15 868 10 681 5 538 0 428 5 343 10 276 15 224 20 183 25 150 30 124 35 103 40 86 38 Installation instructions VMBMA702 8 8 1 8 1 1 Piping installation Warning As the water temperature in DHP H Opti Pro becomes extremely hot a mixer valve must be installed between the cold water and hot water pipes to ensure a lower domestic hot water temperature Warning Danfoss SP 1 phase heat pumps havea factory installed safety valve for temperature and pressure 10 bar 90 95 C in accordan
122. urve The curve will be limited by the set values of MIN and MAX range 22 C 56 C MIN Minimum permitted shunt group temperature if the temperature for heat stop 10 C has not been reached range 10 C 50 C MAX Maximum permitted shunt group temperature 55 C range 15 C 70 C Installation instructions VMBMA702 79 13 4 13 5 13 6 Sub menu TEMPERATURE The history of different temperature measurements can be viewed by pressing the right arrow key The graph shows the last 60 measurement points for the set time interval SERVICE gt INSTALLATION gt LOG TIME In the event of an alarm history stops being logged until the alarm is reset by changing the operating mode to OFF Table 22 Used to indicate the prevailing temperatures history and set calculated values Menu selection Meaning Factory setting OUTDOOR Shows the actual outdoor temperature ROOM Shows the actual set temperature SYSTEM SUPPLY Displays system supply temperature at the buffer tank system SUPPLY LINE Shows the actual supply temperature The calculated supply temperature to the heating system group is within brackets During hot water production in operating mode AUX HEATER the value for HOT WATER STOP 10 is shown within brackets RETURN LINE Shows the actual return temperature The stop temperature MAX RETURN is within brackets BUFFER TANK Indicates th
123. vent 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 Figure 80 Increasing or reducing the CURVE changes the slope of the curve Position Description 1 Temperature C 2 Maximum setpoint value 3 Outdoor temperature C If the CURVE value is increased the heat curve will become steeper and if the value is reduced it will become flatter The most energy efficient and cost effective setting is achieved by changing the CURVE value which leads to fewer starts and longer operating times For a temporary increase or reduction adjust the ROOM value instead 15 3 ROOM If you wish to increase or reduce the indoor temperature change the ROOM value The difference between changing the ROOM value and the CURVE value is as follows e When changing the ROOM value the angle of the curve on the system s heat curve 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 94 Installation instructions VMBMA702 15 4 15 5 15 6 e When changing the CURVE value the angle of the curve on the system s heat curve changes 20 0 20 Figure 81 Changing the ROOM value changes the heat curve upwards or downwa
124. ystem O 87 Safety valve cold water 9 bar 89 Vacuum valve 91 Strainer 96 Flexible hose 113 Expansion heating system Figure 44 Example system solution 2 tiz External auxiliaryiheatgr 126 Safety valve for temperature and pressure only applies to certain models 44 Installation instructions VMBMA702 8 3 2 Example system solution 2 System solution for DHP L DHP L Opti CDCA GD at Y D lt lt D Sia ae E L R 29 43 ea T Figure 45 Example system solution 2 Symbol explanation 1 10 11 12 13 18 36 51 72 80 83 86 87 89 91 96 113 117 126 Heat pump Supply line Return line Cold water Hot water Water heater Circulation pump Supply line sensor moved out from heat pump Additional shunt Shut off valve Non return valve Safety valve expansion heating system Safety valve cold water 9 bar Vacuum valve Strainer Flexible hose Expansion heating system External auxiliary heater Safety valve for temperature and pressure only applies to certain models Installation instructions VMBMA702 45 8 3 3 Example system solution 2 System solution for DHP AL DHP AL Opti 2 G6 G1 oot gt 10 a ta cae ee F lt 47 lt 7 Figure 46 Example system solution 2 8 4 System soluti

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