MAKING MODERN LIVING POSSIBLE Installation Guide Domestic heat pumps DHP-A Opti DHP-C DHP-C Opti DHP-C Opti W/W DHP-H DHP-H Opti DHP-H Opti Pro/Opti Pro+ DHP-L DHP-L Opti DHP-L Opti Pro/Opti Pro+ www.heating.danfoss.
Danfoss A/S is not liable or bound by warranty if these instructions are not adhered to during installation or service. The English language is used for the original instructions. Other languages are a translation of the original instructions.
Installation Guide Domestic heat pumps 1 About documents and decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Symbols in documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 Symbols on decals . . . . . . . . . . .
Installation Guide 1 About documents and decals 1.1 Introduction Domestic heat pumps The following documents are available for this product: ▪ The Wiring diagrams that contain the wiring diagram for the heat pump intended for fault tracing and service. The Wiring diagrams are available for download as below. ▪ The User manual must handed over and gone through with the end customer. Supplied with the heat pump on delivery. ▪ Country specific instructions and forms are available where relevant.
Installation Guide 1.3.1 ! ! Domestic heat pumps General Warning, danger! Warning, hot surfaces! Read the documentation provided. Warning, moving parts! Read the documentation provided. Warning, risk of crushing injury! Warning, hazardous electrical voltage! 1.3.2 3 50 54 55 71 304 353 362 363 365 366 1.3.
Installation Guide Domestic heat pumps 2 Important information/Safety regulation 2.1 General safety precautions Risk of personal injury! Children are not permitted to play with the product. As the water temperature in DHP-H Opti Pro/DHP-H Opti Pro + and DHP-L Opti Pro/DHP-L Opti Pro + becomes hot (up to 95°C), a mixer valve must be installed between the cold water and hot water pipes to ensure a lower domestic hot water temperature.
Installation Guide Domestic heat pumps Cold and hot water pipes and overflow pipes from safety valves must be made of heat resistant and corrosion-resistant material, for example copper. The safety valve overflow pipes must have an open connection to the drain and visibly flow into this in a frost-free environment. The connecting pipe between the expansion tank and the safety valve must slope continuously upwards.
Installation Guide 2.2.4 Domestic heat pumps Work on the refrigerant circuit 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.
Installation Guide 2.5 Domestic heat pumps Commissioning 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. If the installation is only to be driven by the immersion 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 Guide Domestic heat pumps 3 Transport, unpacking and setting-up 3.1 Transporting the heat pump During transportation or lifting of the entire heat pump, the front panel must always be installed as it locks the other panels construction. 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. The heat pump must always be transported and stored standing and in a dry environment.
Installation Guide 3.3 Setting-up the heat pump 3.3.1 Recommended location Domestic heat pumps 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.
Installation Guide Domestic heat pumps 300 mm 1620 300 mm 1905 300 mm 10 mm 600 mm 3.3.3 12 Setting up N 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 the feet cannot compensate for it, the installation engineer must remedy this. N It is recommended that the condensation drain is installed from the drip tray’s drain pipe by lying the heat pump down.
Installation Guide 3.3.4 Domestic heat pumps Removing the front cover Do not damage the electrical wiring for the display when the front cover is removed! 1 2 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. 3 3.4 Setting-up the outdoor unit 3.4.
Installation Guide 3.4.2 Domestic heat pumps Foundation for outdoor unit 1. Position the outdoor unit on a stable base that can take the total weight, see Technical data. 2. Secure all four mounting points on a stable base, for example a cast foundation.
Installation Guide Domestic heat pumps Incorrect positioning of the outdoor unit risks reduction of performance. N N Remember that the outdoor unit must have a certain amount of space in order to function and for servicing. Otherwise there is a risk that the air will recirculate from exhaust to intake. Avoid this by following the dimensions given below. Space requirement >500 mm 3.4.3 Keep the outdoor unit and its immediate area free of snow, ice, leaves etc. >400 m m m >500 m 3.4.
Installation Guide Domestic heat pumps 1 16 VMGFQ202 Danfoss Heating Solutions
Installation Guide 4 Domestic heat pumps Heat pump data, dimensions and connections DHP-H, DHP-H Opti, DHP-H Opti Pro, DHP-H Opti Pro +, DHP-C, DHP-C Opti, DHP-C Opti W/W 1 2 3 1845 (±10) 4 5 6 7 8 9 110 440 300 2 The brine pipes can be connected on either the left or righthand side of the heat pump.
Installation Guide Domestic heat pumps DHP-L, DHP-L Opti, DHP-L Opti Pro/DHP-L Opti Pro + 110 1538 (±10) 1 2 3 440 300 4 528 1 7 40 ±10 3 4 5 6 7 The brine lines (1), (2) and return line water heater (7) can be connected on either the left or right-hand sides.
Installation Guide 4.
Installation Guide Domestic heat pumps DHP-A Opti 1 2 3 4 1845 (±10) 5 6 7 8 9 10 300 The brine pipes can be connected on either the left or righthand side of the heat pump.
Installation Guide Domestic heat pumps Outdoor unit DHP-A Opti 4 5 6 3 2 1 Position 1 2 3 4 5 6 Danfoss Heating Solutions Description Width Depth Distance from rubber hose to side of the outdoor unit Height Height to supply line pipe, 28 mm Cu Height to return line pipe, 28 mm Cu VMGFQ202 6-12 kW 1,016 mm 564 mm 285 mm 1,477 mm 155.5 mm 96.
Installation Guide 5 Domestic heat pumps Piping installation As the water temperature in DHP-H Opti Pro/DHP-H Opti Pro + and DHP-L Opti Pro/DHP-L Opti Pro + becomes hot (up to 95°C), a mixer valve must be installed between the cold water and hot water pipes to ensure a lower domestic hot water temperature. Alternatively the maximum hot water temperature must be reduced in the Service menu.
Installation Guide Domestic heat pumps 5.2 Connection heating and hot water 5.2.1 System solution 1 Description In system solution 1 the heat pump can produce both heating and hot water with the compressor and the integrated immersion 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 immersion heater.
Installation Guide Domestic heat pumps Example system solution 1 System solution for DHP-H, DHP-H Opti, DHP-H Opti Pro/DHP-H Opti Pro +, DHP-C Opti, DHP-C Opti W/W, DHP-A Opti.
Installation Guide Domestic heat pumps Example system solution 1 System solution for DHP-L, DHP-L Opti.
Installation Guide Domestic heat pumps Example system solution 1 System solution for DHP-L Opti Pro/DHP-L Opti Pro +. 1 10 11 12 13 18 80 83 86 87 89 91 96 113 118 126 118 5.2.
Installation Guide Domestic heat pumps Example system solution 2 System solution for DHP-H, DHP-H Opti, DHP-H Opti Pro/DHP-H Opti Pro +, DHP-C Opti, DHP-C Opti W/W, DHP-A Opti.
Installation Guide Domestic heat pumps Example system solution 2 System solution for DHP-L, DHP-L Opti.
Installation Guide Domestic heat pumps Example system solution 2 System solution for DHP-L Opti Pro/DHP-L Opti Pro +. 118 5.2.
Installation Guide Domestic heat pumps Example system solution 3 System solution for DHP-H, DHP-H Opti, DHP-C Opti, DHP-C Opti W/W, DHP-A Opti.
Installation Guide Domestic heat pumps Example system solution 3 System solution for DHP-L, DHP-L Opti. 1 10 11 12 13 18 36 51 72 77 80 83 86 87 89 91 96 113 117 118 126 5.2.
Installation Guide Domestic heat pumps Connection brine DHP-H, DHP-L and DHP-C Opti 100 111 80 94 100 111 121 122 A B C Shut-off valve Filling device Safety valve Bleed and expansion tank Brine in Brine out Shut-off valve (part of 94) Shut-off valve (part of 94) Dirt strainer with shut off valve (part of 94) 80 94 100 111 121 122 A B C Shut-off valve Filling device Safety valve Bleed and expansion tank Brine in Brine out Shut-off valve (part of 94) Shut-off valve (part of 94) Dirt strainer with shut
Installation Guide Domestic heat pumps Connection outdoor unit to DHP-A Opti 85 100 84 112 3 80 C 96 3 80 84 85 94 96 100 122 94 121 96 B A Outdoor unit Shut-off valve Manometer Air bleeding valve Filling device Flexible hoses Safety valve 112 121 122 A B C Expansion vessel Brine in Brine out Shut-off valve (part of 94) Shut-off valve (part of 94) Dirt strainer with shut off valve (part of 94) Connection brine DHP-C Opti W/W 71 73 85 Flow guard 2-way valve Air bleeding valve 73 71 85 5.3.
Installation Guide Domestic heat pumps 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. 1 1 2 3 4 Insert pipe Brine pipe Mortar Sealant 3 2 3 1 4 1.
Installation Guide N 1. 2. 3. 4. 5. 6. 7. Domestic heat pumps Use support sleeves for connection of flexible hoses. Determine to which side the brine pipes are to be connected. Route the out pipe for brine in through the corresponding hole (with rubber collar) in the heat pump side. Install all necessary components on the pipe. Remember to install the filler cock with the filter cover upwards. Route the pipe for brine out through the corresponding hole (with rubber collar) in the heat pump side.
Installation Guide Domestic heat pumps The delivery includes two rubber hoses and pipe insulation stored inside the outdoor unit. The hoses are to be connected to the outdoor unit on one side and to the brine circuit on the other side as shown in the the figure below. The side panel has to be removed in order to get access to the brine pipes. 5.
Installation Guide Domestic heat pumps DHP-H Opti, DHP-L Opti Size (kW) 6 8 10 12 16 Calculated maximum length of collectors (m) 1 collector 2 collectors <390 <2 x 425 <320 <2 x 345 <250 <2 x 365 <170 <2 x 315 <80 <2 x 200 DHP-H Opti Pro/DHP-H Opti Pro +, DHP-L Opti Pro/DHP-L Opti Pro + Size (kW) 6 8 10 13 17 Calculated maximum length of collectors (m) 1 collector 575 215 160 100 65 2 collectors >2 x 500 <2 x 370 <2 x 355 <2 x 255 <2 x 105 3 collectors <3 x 207 4 collectors 4 x 225 3 collectors <3
Installation Guide Domestic heat pumps **) When dimensioning for sizes 13 kW and 17 kW, a collector that exceeds this recommendation is often required. In these cases, use 2 or 3 parallell collectors. 5.5 Noise information 5.5.1 Installation of the heat pump To prevent disturbing noise from the heat pump the following recommendations should be observed: ▪ In the event the heat pump is positioned on a vibration sensitive base, vibration dampers should be used.
Installation Guide 6 Domestic heat pumps Electrical Installation 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.
Domestic heat pumps DHP-H Opti Pro +, DHP-L Opti Pro + 400V, 3-N A 6 kW 8 kW 10 kW 13 kW 17 kW 101/162/203 161/162/203 161/202/253 161/202/253 201/252/323 DHP-C Opti DHP-C Opti W/W 4 kW 6 kW 8 kW 10 kW A 161,8/202,8/253,8 101/162/203 101/162/203 161/162/203 6 kW 8 kW 10 kW 12 kW 400V, 3-N A 101/162/203/204/255/256/ 101/162/203/204/255/256/ 161/162/203/204/255/256/ 161/202/253/204/255/306/ 307 307 307 357 230V, 1-N A 169+101/162/253 400V, 3-N DHP-A Opti 1. 2. 3. 4. 5. 6. 7.
Installation Guide 6.3.2 Domestic heat pumps Connection 400 V, 3-N Isolator switch 1 4 3 6 5 N3 3L1 PE5 1L1 1L2 1L3 Incoming cable 2 Terminal block heat pump 2L1 2L2 2L3 PE1 6.3.
Installation Guide 6.3.4 Domestic heat pumps Connection 230 V, other alternatives See country specific electrical instructions. 6.4 Position and connect outdoor sensors Recommended location --> Unsuitable location --> The outdoor sensor is connected by a two core cable. A maximum cable length of 50 m applies for a cross section of 0.75 mm2. For greater lengths a cross section of 1.5 mm2 is used, up to a maximum of 120 m.
Installation Guide Outdoor unit 6 1 2 211 213 3 4 5 386 Domestic heat pumps Heat pump PE 211 213 283 386 387 125 220/N 387 125,127 N/220 1 2 3 4 5 6 Fan high speed Fan low speed Defrost sensor Accessories Neutral Heating, drip tray 1. Route the power cable through the opening in the lower back panel of the heat pump to the terminal blocks. 2. Connect the power cable to the terminal block. Connect component plug The delivery package includes three component plugs for the outdoor unit.
Installation Guide Domestic heat pumps 6.7 Selection of system solution and connection of external aux. heater 6.7.1 Introduction N Configure the heat pump for the desired system solution in the SERVICE\ADD. HEATER\EXTERNAL ADDITION menu. Also see section Piping installation. 6.7.2 System solution 1 The heat pump is delivered configured for system solution 1. 6.7.
Installation Guide Component Additional shunt Internal exchange valve 6.7.4 Domestic heat pumps Connection Terminal block, 215/216 I/O-card, 214 (normal connection) System solution 3 N 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 3, select the following in menu SERVICE\AUX. HEATER\EXT.AUX.HEATER: ▪ EXT.
Installation Guide 1. 2. 3. 4. 5. 6. 7. 8. 9. 46 Domestic heat pumps Check that the main circuit breaker is on. Open the SERVICE menu by pressing and holding the left button in for five seconds. Open the control computer menu SERVICE -> 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.
Installation Guide 7 Domestic heat pumps Menu information 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 when necessary. The control system is operated using a keypad and information is shown in a display and by an indicator. N The information in the display and menus will vary depending heat pump model and connected accessories. ROOM 1 2 3 20°C NO HEAT DEMAND 3 OPERAT.
Installation Guide 8 Domestic heat pumps INFORMATION menu Open the menu by pressing the left or right button. The menu also shows history and operating times. N 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). ▪ INFORMATION ▪ OPERAT.
Installation Guide Menu selection CURVE +5 CURVE 0 CURVE -5 HEAT STOP REDUCTION TANK TEMP OVERCHARGE ROOM FACTOR POOL (Expansion card) POOL HYSTERESIS (Expansion card) 8.3 Domestic heat pumps Meaning Local increase or reduction of CURVE at an outdoor temperature of +5°C. Shown in the graph for CURVE. Local increase or reduction of CURVE at an outdoor temperature of 0°C. Shown in the graph for CURVE. Local increase or reduction of CURVE at an outdoor temperature of -5°C. Shown in the graph for CURVE.
Installation Guide Menu selection SUPPLY LINE RETURN LINE BUFFER TANK HOT WATER INTEGRAL BRINE IN BRINE OUT POOL COOLING SHUNT GROUP 2ND HEAT CIR. CURRENT 8.5 Factory setting - - - - Meaning Compressor operating time for both heating and hot water production. OPERAT. TIME AUX. HEATER 1. OPERAT. TIME AUX. HEATER 2. OPERAT. TIME AUX. HEATER 3. Operating time for hot water with compressor. Operating time cooling. Operating time active cooling.
Installation Guide 8.
Installation Guide 9 Domestic heat pumps 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. N 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).
Installation Guide Domestic heat pumps Menu selection START INTERVAL Meaning Minimum time interval between two heat pump starts in minutes. Factory setting 20M(range: 10M / 30M) ALARM BRINE Gives an alarm when the outgoing brine temperature falls below the set value. PRESS. PIPE (range: , -14°C / 10°C) 135°C Sensor on the compressor’s hot gas line. The value within brackets indicates maximum permitted temperature.
Installation Guide Menu selection REV.V. HOT WATER TOPH. AUX 9.4 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 FAN L FAN H EXT. AUX. HEATER 54 Meaning Factory setting Indicates whether the exchange valve for hot water is located before or after the external INT / EXT auxiliary heater. (Determines whether the external auxiliary heater may produce hot water.
Installation Guide Menu selection SHUNT COOLING Domestic heat pumps Meaning - = closes shunt 0 = shunt unaffected + = opens shunt N SHUNT GROUP 2ND H.C SHUNT PASSIVE COOLING ACT COOLING REV. V. POOL 0-10V Factory setting - Does not apply to DHP-C Opti W/W.
Installation Guide Menu selection SENSOR CALIBRATION Domestic heat pumps Meaning 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 Affects sensors that are installed inside the heat pump VERSION LOG TIME BRINE TIME ON BRINE TIME OFF 56 Shows the software version which is stored on the display card respectively the I/O-card. DISPLAY: V X.X I/O-CARD: V X.
Installation Guide Domestic heat pumps SYSTEM Menu selection HEAT SOURCE Meaning GROUND OR ROCK OUTSIDE AIR (BRINE SOLUTION, DIRECT EVAP.) Does not apply to DHP-C Opti W/W. Factory setting B/W N COOLING PASSIVE COOLING ( , INTEGRATED IN HP) N Does not apply to DHP-C Opti W/W. ACTIVE COOLING ( , PASSIVE/ACTIVE, ACTIVE) N Does not apply to DHP-C Opti W/W. ROOM SENSOR ( , ON) POOL SHUNT GROUP BUFFER TANK (See separate instruction for buffer tank) ADDITION , ON , ON BUFFER TANK SYSTEM SHUNT 2ND H.
Installation Guide 9.6 Domestic heat pumps Sub-menu DEFROST The menu applies to DHP-A Opti with defrost card and only appears if OUTDOOR AIR in SERVICE -> INSTALLATION -> SYSTEM -> HEAT SOURCE menu is selected. Menu selection DEFR CURVE 0 DEFR TEMPERATURE Meaning Used to set the temperature of the heat pump’s brine return at which defrosting should start, at 0°C outdoor temperature, using + or -. The graph can be changed up or down at 0°C outdoor temperature in the display.
Installation Guide Menu selection CONST. FL. BRINE MIN FLOW CIRC. MIN FLOW BRINE Domestic heat pumps Meaning the flow is continuous with this value in the brine system. If TEMP DIFF BRINE is set to Value indicated in Volts. Lowest permitted voltage (speed) of the circulation pump’s flow in the heating system. If there is no heat demand, there may still be a demand to read in the temperatures for the sensors in the system and the circulation pump therefore must be run.
Installation Guide 10 Domestic heat pumps Commissioning N 10.1 Read the safety instructions! Checking the pipes and electrical installation Before manual test operation, check that the following points have been correctly carried out: 10.1.1 ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Pipe connections in accordance with the connection diagram, see System solutions.
Installation Guide Domestic heat pumps If it is a floor heating installation (default = radiator) change the following: 1. Press the left button for five seconds to open the SERVICE menu. 2. In the SERVICE -> INSTALLATION -> FACTORY SET menu. Select parameters FLOOR. If necessary; change the number of auxiliary heating steps. 1. In the SERVICE -> AUX. HEATER -> MAX STEP menu. Chose the number of auxiliary heating steps with + or -. 10.2.
Installation Guide Domestic heat pumps 10.4 Filling and bleeding the brine system 10.4.1 Introduction Before filling the brine system, the electrical installation must be completed so that it is possible to operate the brine pump. Before filling the brine system for DHP-A Opti the water heater MUST be filled. Always check local rules and regulations before using anti-freeze.
Installation Guide 10.4.2 Domestic heat pumps Calculate volume For DHP-H, DHP-L and DHP-C the volume of the brine system is calculated as follows: ▪ Heat pump (exchanger and piping) approximately 2 litres ▪ Bleed and expansion tank approximately 3 litres ▪ Collector (single pipe): ▪ PEM 40 approximately 1.0 litre/m ▪ PEM 32 approximately 0.6 litre/m ▪ Cu 28 approximately 0.5 litre/m 10.4.
Installation Guide 10.4.
Installation Guide 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Domestic heat pumps Set the heat pump operating mode to "OFF" in the control computer menu INFORMATION -> OPERAT. HEAT PUMP Mix water and anti-freeze in the correct proportions in an external container (D). Note that each pack must be well mixed.
Installation Guide Domestic heat pumps 15. DHP-A Opti bleed the expansion vessel through the bleed screw until fluid appears. Bleed also the outdoor unit using the bleed screw on the connection pipe. The side covers of the outdoor unit must be removed to access the bleed screws. Leave all radiator valves fully open. N N To bleed the out door unit, remove the lower front hatch and right hand side cover.
Installation Guide Domestic heat pumps 2: Bleed the outdoor unit 16. Stop the brine pump in the control computer menu SERVICE -> MANUAL TEST -> BRINEPUMP, set the value to 0, at the same time leave the external pump running. 17. Open valve (C) with the external pump running to eliminate the air between the valves (A) and (B). 18. Check the system for leakage. 19. Close valve (A) and pressurise the system using the external pump. DHP-H, DHP-L, DHP-C Opti, the brine circuit is pressurised to max 1,5 bar.
Installation Guide 10.5 Manual test 10.5.1 Introduction Domestic heat pumps At manual test some heat pump controller functions are inactivated. Therefore, don´t set the heat pump into operating conditions that can damage the installation. The installation may only be commissioned if the heating system, water heater and brine system have been filled and bled. Otherwise the circulation pumps will be damaged. Any alarms that may occur in connection with the installation must be fault-traced.
Installation Guide 10.5.3 Domestic heat pumps Test the brine pump 1. Start the brine pump by setting the parameter BRINE PUMP to a value between 30% and 100%. (1 at constant speed circulation pump). 2. Check that the brine pump is running by: ▪ listening ▪ putting a hand on the pump ▪ checking that the level in the bleed and expansion vessel (111) is stable (Brine/Water). If the level is not stable there is air in the system.
Installation Guide 10.5.6 Domestic heat pumps Test the compressor Risk of burn injury, the pressure pipe on the compressor can be very hot after operating for a while! 1. Start the circulation pump by setting the parameter CIRC.PUMP to 100 (1 if fixed circulation pump). 2. Start the heat pump compressor by setting the parameter HEAT PUMP to 1. At the same time as the parameter is set to 1 for HEAT PUMP the brine pump starts. N 3.
Installation Guide 10.5.9 Domestic heat pumps Exit test operation 1. Set the parameter for MANUAL TEST to 0. 10.6 Commissioning 10.6.1 Select operating mode 1. Set the heat pump to the desired operating mode in the menu INFORMATION -> OPERAT. 2. If necessary, set certain parameters in the control system, such as ROOM and CURVE. 10.6.
Installation Guide N Domestic heat pumps Trimming must be carried out over a few days as the inertia in the heating system causes the indoor temperature to change slowly. 1. Choose one of the house’s rooms as a reference room for the indoor temperature, where the highest temperature is required, 20-21°C. 2. Place a thermometer in the room. 3. Open all the heating system’s valves fully. 4. Leave the heat pump’s ROOM value set at 20°C. See Service instructions, Important parameters for more information.
Installation Guide Danfoss Heating Solutions Domestic heat pumps VMGFQ202 73
Installation Guide 74 Domestic heat pumps VMGFQ202 Danfoss Heating Solutions
Installation Guide Danfoss Heating Solutions Domestic heat pumps VMGFQ202 75
Installation Guide Domestic heat pumps Danfoss Heat Pumps Box 950 671 29 ARVIKA Phone +46 570 81300 E-mail: dhpinfo@danfoss.com Internet: www.heating.danfoss.com Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed.
