Danfoss DHP-A Installation Manual
Domestic heat pumps
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- Service instructions manual (86 pages) ,
- Installation instructions manual (74 pages) ,
- User manual (31 pages)
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Summary of Contents for Danfoss DHP-A
- Page 1 MAKING MODERN LIVING POSSIBLE Installation Guide Domestic heat pumps DHP-A DHP-A Opti DHP-C DHP-C Opti DHP-C Opti W/W DHP-H DHP-H Opti DHP-H Opti Pro DHP-L DHP-L Opti DHP-L Opti Pro www.heating.danfoss.com...
- Page 2 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. (Directive 2006/42/EC)
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Page 3: Table Of Contents
Setting-up the DHP-A outdoor unit ........ -
Page 4: About Documents And Decals
The following symbols can occur on decals on the different parts of the heat pump. Which symbols are used depends on the heat pump model. 1.2.1 General Warning, danger! Warning, hazardous electrical voltage! Read the documentation provided. Warning, hot surfaces! Read the documentation provided. VMGFQ102 Danfoss Heating Solutions... - Page 5 Hot water top sensor Defrost sensor Flow guard 1.2.3 Pipe connections Tap water Heating system Brine system Defrosting tank Expansion tank with safety valve, brine Air bleeding Temperature and pressure relief valve Outdoor unit Water heater Danfoss Heating Solutions VMGFQ102...
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Page 6: Important Information/Safety Regulation
Alternatively the maximum hot water temperature must be reduced in the Service menu. Danfoss SP (1-phase) heat pumps have a factory installed safety valve for temperature and pressure, (10 bar Warning 90-95°C), in accordance with the requirements in Great Britain. - Page 7 Risk of personal injury! Refrigerant exposed to a naked flame creates a poisonous irritating gas. This gas can Warning be detected by its odour even at concentrations below its permitted levels. Evacuate the area until it has been sufficiently ventilated. Danfoss Heating Solutions VMGFQ102...
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Page 8: Electrical Connection
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. All warranties from Danfoss are void if, when filling with refrigerant other than Danfoss A/S specified refriger- Caution ant, if there has not been written notification that the new refrigerant is an approved replacement refrigerant together with other remedies. -
Page 9: Commissioning
If the installation is only to be driven by the immersion heater during the installation, ensure that the heating Caution system is filled and the brine pump and compressor cannot be started. This is carried out by setting the oper- ating mode to AUX. HEATER. Danfoss Heating Solutions VMGFQ102... -
Page 10: Transport, Unpacking And Setting-Up
Rubber bellows for 22-28 mm hole Flexible hose R20 L=550 Flexible hose R25 L=550 Filling device DN25 Filling device DN32 Dirt strainer with shut off valve DN20 Dirt strainer with shut off valve DN25 Manual holder Setting-up the heat pump VMGFQ102 Danfoss Heating Solutions... - Page 11 The heat pump must not be enclosed as the temperature inside the cabinet becomes extremely high. Caution To facilitate the fitting, installation and subsequent testing and maintenance there must be sufficient free space around the heat pump in accordance with the following dimensions: 300 mm 10 mm 600 mm Danfoss Heating Solutions VMGFQ102...
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Page 12: Setting-Up The Dhp-A Outdoor Unit
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. Setting-up the DHP-A outdoor unit 3.4.1 Recommended location When positioning the outdoor unit, note the following: When the outdoor unit is defrosting, water will drip straight down under the unit. - Page 13 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. 2. Screw the adjustable feet (3) into the holes under the ends. Danfoss Heating Solutions VMGFQ102...
- Page 14 3. Align all the three screws in the lower edge. 4. Screw the three screws in the lower edge fully. Use a torx TX25 screwdriver, or equivalent. 5. Secure the front panel's upper edge with the 2 x remaining M6x15 torx TX25, see figure below. VMGFQ102 Danfoss Heating Solutions...
- Page 15 1. Mark for the new holes 2. Lift off the top cover 3. Drill the holes 3. Install and screw the top cover into place Install stand cover 1. Hook the cover onto the stand. Danfoss Heating Solutions VMGFQ102...
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Page 16: Heat Pump Data, Dimensions And Connections
Lead-in for supply, sensor and communication cables Safety valve for temperature and pressure (only applies to certain models) The brine pipes can be connected on either the left or right- hand side of the heat pump. 40±10 VMGFQ102 Danfoss Heating Solutions... - Page 17 Supply line to water heater, 22 Cu (Only applies to DHP- L Opti Pro) Return line from water heater, 22 (flexible hose) The brine lines (1), (2) and return line water heater (7) can be connected on either the left or right-hand sides. 40 ±10 Danfoss Heating Solutions VMGFQ102...
- Page 18 Supply line from heat pump (diam) 22 mm Connection for bleed valve, 22 Cu Combined temperature and pressure relief valve The brine pipes can be connected on either the left or right-hand sides of the heat pump. VMGFQ102 Danfoss Heating Solutions...
- Page 19 Safety valve for temperature and pressure (only applies to certain models) The brine pipes can be connected on either the left or right- hand side of the heat pump. 40±10 Outdoor unit DHP-A, DHP-A Opti Brine in, 28 Cu Brine out, 28 Cu 1175 Danfoss Heating Solutions...
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Page 20: Piping Installation
Alternatively the maximum hot water temperature must be reduced in the Service menu. Danfoss SP (1-phase) heat pumps have a factory installed safety valve for temperature and pressure, (10 bar Warning 90-95°C), in accordance with the requirements in Great Britain. - Page 21 ▪ EXTERNAL AUX. HEATER = 0 (Off) ▪ REV.V. HOT WATER = INT Example system solution 1 System solution for DHP-H, DHP-H Opti, DHP-H Opti Pro, DHP-C Opti, DHP-C Opti W/W, DHP-A, DHP-A Opti. Heat pump Supply line Return line...
- Page 22 Safety valve expansion heating system Safety valve cold water 9 bar Vacuum valve Dirt strainer with shut off valve Flexible hose Expansion heating system Safety valve 2,5 bar Safety valve for temperature and pressure (only applies to certain models) VMGFQ102 Danfoss Heating Solutions...
- Page 23 For system solution 2, select in menu SERVICE\AUX. HEATER\EXTERNAL ADDITION: ▪ EXT.AUX.HEATER = ON ▪ REV.V. HOT WATER = INT Example system solution 2 System solution for DHP-H, DHP-H Opti, DHP-H Opti Pro, DHP-C Opti, DHP-C Opti W/W, DHP-A, DHP-A Opti. Heat pump Supply line Return line...
- Page 24 Safety valve cold water 9 bar Vacuum valve Dirt strainer with shut off valve Flexible hose Expansion heating system External auxiliary heater Safety valve 2,5 bar Safety valve for temperature and pressure (only applies to certain models) VMGFQ102 Danfoss Heating Solutions...
- Page 25 For system solution 3, select in menu SERVICE\AUX. HEATER\EXTERNAL ADDITION: ▪ EXT.AUX.HEATER = ON ▪ REV.V. HOT WATER = EXT Example system solution 3 System solution for DHP-H, DHP-H Opti, DHP-C Opti, DHP-C Opti W/W, DHP-A, DHP-A Opti. Heat pump Supply line Return line...
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Page 26: Connection Brine
2. Connect the return pipe with a flexible hose connection and with all the necessary components including a filter. 3. Insulate the supply and return lines. 4. Connect the bleed valve to the outlet (22mm Cu) on the top of the heat pump. Connection brine VMGFQ102 Danfoss Heating Solutions... - Page 27 Domestic heat pumps 5.3.1 Connection brine Caution The brine circuit is pressurised to max 1,5 bar for DHP-H, DHP-L and DHP-C and max 0,8 bar for DHP-A. Connection brine DHP-H, DHP-L and DHP-C Opti Shut-off valve Filling device Safety valve...
- Page 28 Installation Guide Domestic heat pumps Connection outdoor unit to DHP-A Outdoor unit Expansion vessel Shut-off valve Brine in Manometer Brine out Air bleeding valve Shut-off valve (part of 94) Filling device Shut-off valve (part of 94) Flexible hoses Dirt strainer with shut off valve (part of 94)
- Page 29 5.3.3 Install brine pipes When the brine lines are connected to the right for DHP-A, the brine out line must be routed over the brine Caution pump, under the compressor’s vacuum pipe and under the condenser’s flexible hose, see figure below.
- Page 30 47(2 x 23.5) 13 *(2 x 6.5) 60(2 x 30) 5 *(2 x 2.5) 26(2 x 13) 8 *(2 x 4) 44(2 x 22) *) Not recommended because of high liquid speeds with risk of corrosion/noise problems. VMGFQ102 Danfoss Heating Solutions...
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Page 31: Noise Information
This also applies to the expansion pipe. We recommend that flexible hoses are used for all pipe connections to avoid the trans- mission of vibrations. Flexible hoses are available to purchase as accessories. The figures below show how appropriate and inappropriate installations look using this type of hose. Danfoss Heating Solutions VMGFQ102... -
Page 32: Electrical Installation
3 mm. (The maximum load for externally connected units is 2A). Electrical components Terminal block (applies to the expansion card) Terminal block (applies to DHP-A) Defrost card (applies to DHP-A) Terminal block Space for Danfoss Online... -
Page 33: Connecting External Supply Voltage
Installation Guide Domestic heat pumps 4 kW 6 kW 8 kW 10 kW 400V, 3-N DHP-A, DHP-A Opti 6 kW 8 kW 10 kW 12 kW 400V, 3-N 230V, 1-N 1. Heat pump with 3 kW immersion heater (1-N 1.5 kW). -
Page 34: Position And Connect Outdoor Sensors
The outdoor sensor should not be placed on reflective panel walls. The sensor must be positioned at least 1 m from openings in the walls that emit hot air. VMGFQ102 Danfoss Heating Solutions... -
Page 35: Connect Outdoor Unit
2. Connect the power cable to the terminal block. Connect temperature sensor hot water Sensor for hot water and hot water peak from external water heater is connected in the following way to DHP-L. Hot water sensor Hot water top sensor Danfoss Heating Solutions VMGFQ102... -
Page 36: Selection Of System Solution And Connection Of External Aux. Heater
Additional shunt Terminal block, 215/216 Internal exchange valve I/O-card, 214 (normal connection) For DHP-A, DHP-A Opti, the electrical connection for system solution 2 must be carried out according to the following table: Component Connection Internal immersion heater I/O-card, output for 3 kW and 6 kW as well as Defrost card, output for 6 kW (normal connections) External auxiliary heater Defrost card;... - Page 37 Additional shunt Terminal block, 215/216 External exchange valve I/O-card, 214 kW, connected and fused with 086U9685 For DHP-A,DHP-A Opti, the electrical connection for system solution 3 must be carried out according to the following table: Component Connection Internal immersion heater...
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Page 38: Menu Information
The control system is operated using a keypad and information is shown in a display and by an indicator. The information in the display and menus will vary depending heat pump model and connected accessories. Keypad ROOM 20°C Indicator NO HEAT DEMAND Display OPERAT. AUTO VMGFQ102 Danfoss Heating Solutions... -
Page 39: Information Menu
Local increase or reduction of CURVE at an outdoor temperature of +5°C. Shown in the graph 0°C(range: -5°C / 5°C) CURVE +5 for CURVE. Local increase or reduction of CURVE at an outdoor temperature of 0°C. Shown in the graph 0°C(range: -5°C / 5°C) CURVE 0 for CURVE. Danfoss Heating Solutions VMGFQ102... -
Page 40: Sub-Menu Heat Curve 2
RETURN LINE Indicates the buffer tank temperature, if activated. BUFFER TANK Indicates actual hot water temperature, if activated. HOT WATER Shows the actual calculated value for integral. INTEGRAL Shows the actual temperature for brine in. BRINE IN VMGFQ102 Danfoss Heating Solutions... -
Page 41: Sub-Menu Operat.time
-10°C(range: -13°C / -7°C) for defrost). Used to perform a manual defrost. Started using + or -. 0(range: 0 / 1) MANUAL DEFR Sub-menu LANGUAGE Menu selection SVENSKA ENGLISH DEUTSCH NEDERLANDS FRANÇAIS ESPAÑOL ITALIANO NORSK DANSK SUOMI EESTI Danfoss Heating Solutions VMGFQ102... - Page 42 Installation Guide Domestic heat pumps Menu selection POLSKI ČEŠTINA VMGFQ102 Danfoss Heating Solutions...
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Page 43: Service Menu
0 (stops the heat pump). Stop temperature at high return from the heating system. 55°C(range: 30°C / 70°C) MAX RETURN Minimum time interval between two heat pump starts in minutes. 20M(range: 10M / 30M) START INTER- Danfoss Heating Solutions VMGFQ102... -
Page 44: Sub-Menu Aux. Heater
(Determines whether the external auxiliary heater may produce hot water.) Indicates whether the external auxiliary heater can be used for anti-legionella. The ex- TOPH. AUX / ON change valve must be positioned after the external auxiliary heater. VMGFQ102 Danfoss Heating Solutions... -
Page 45: Sub-Menu Manual Test
1 = start signal on output External alarm SHUNT COOLING - = closes shunt 0 = shunt unaffected + = opens shunt - = closes shunt SHUNT GROUP 0 = shunt unaffected + = opens shunt Danfoss Heating Solutions VMGFQ102... -
Page 46: Sub-Menu Installation
SYSTEM SUPPLY 0, (range: -5°C / 5°C) EXTERNAL FACTOR Affects sensors that are installed inside the heat pump 0 (5°C for DHP-A, DHP-A Opti) (range: 0°C / 20°C) Shows the software version which is stored on the display card respectively the I/O-card. - Page 47 SYSTEM SHUNT 2ND H.C SHUNT ADDITION OPTIMUM , CIRC. PUMP, TWO WAY VALVE) , ON) FLOW SENSOR Permanently ON or ON/ depending on , ON) model. CURRENT LIMITER , ON) PHASE FAULT , PHASE READING) Danfoss Heating Solutions VMGFQ102...
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Page 48: Sub-Menu Defrost
Installation Guide Domestic heat pumps Sub-menu DEFROST The menu applies to DHP-A with defrost card and only appears if OUTDOOR AIR in SERVICE -> INSTALLATION -> SYSTEM -> HEAT SOURCE menu is selected. Menu selec- Meaning Factory setting tion Used to set the temperature of the heat pump’s brine return at which defrosting should -10°C(range: -15°C / -5°C) -
Page 49: Sub-Menu Hgw
How long the plus or minus signal to the shunt is to be high when the HGW integral has been 0.25S(range: PULSE WIDTH reached. 0.20S / 1.00S) Danfoss Heating Solutions VMGFQ102... -
Page 50: Commissioning
System solution chapter. 10.2.1 Default settings If necessary; change language. 1. In the INFORMATION ->LANGUAGE menu. Select language with + or - If it is a floor heating installation (default = radiator) change the following: VMGFQ102 Danfoss Heating Solutions... -
Page 51: Filling And Bleeding The Water Heater And Heating System
6. Bleed all heating systems and the water heater coil. 7. Refill the heating system to a pressure of approximately 1 bar. 8. Repeat the procedure until all air has been removed. 9. Check the system for leakage. 10. Leave the radiator valves fully open. Danfoss Heating Solutions VMGFQ102... -
Page 52: Filling And Bleeding The Brine System
Anti-freeze with corrosion protection additives must be used and mixed to achieve frost protection down to -17 ±2°C for DHP-H, DHP-L and DHP-C Opti. Use only of Danfoss recommended ethylene glycol as anti freeze for DHP-A mixed to achieve frost protection down to -32±1°C. - Page 53 ▪ Cu 28 approximately 0.5 litre/m 10.4.3 Calculate volume for outdoor heat pumps For DHP-A the volume of the brine system is calculated as follows: ▪ Heat pump (exchanger, pipe and outer jacket) approximately 47 litres ▪ Expansion vessel approximately 3 litres ▪...
- Page 54 Filling device Safety valve Bleed and expansion tank 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) External container External pump VMGFQ102 Danfoss Heating Solutions...
- Page 55 (B). 6. DHP-A, open the defroster shunt in the control computer menu SERVICE -> MANUAL TEST -> SHUNT DEFR, set the value to - (mi- nus). Wait 2 min then remove the shunt motor from shunt valve.
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Page 56: Manual Test
1. Ensure that the main circuit breaker is on. 2. Select operating mode , in the menu INFORMATION -> OPERAT.-> 3. Open the SERVICE menu by pressing and holding <- (left button) for five seconds. 4. Set the value for MANUAL TEST to 2. VMGFQ102 Danfoss Heating Solutions... - Page 57 1. Activate the reversing valve by setting the parameter REV.V. HOT WATER to 1. 2. Check that the indicator on the exchange valve's upper side changes position. 3. Stop the test by setting the parameter REV.V. HOT WATER to 0. Danfoss Heating Solutions VMGFQ102...
- Page 58 6. Stop the circulation pump by setting the parameter CIRC. PUMP to 0. 10.5.8 Test the DHP-A outdoor unit The defroster shunt motor has 120 sec running time end to end. 1. Start the defroster shunt by setting the parameter SHUNT DEFR to -(minus). Check that the shunt motor is working.
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Page 59: Commissioning
While doing this, also check that there is no abnormal noise in other parts of the house. DHP-A; noise is coming from the outdoor unit when the fan is in operation, check during manual operation that there is no disturbance in your own home as well as none caused to any neighbours 10.6.4... -
Page 60: Installation Protocol
The serial number must always be given for warranty matters. The serial number is on the type plate, which is attached to the heat pump and control unit. VMGFQ102 Danfoss Heating Solutions... - Page 61 Installation Guide Domestic heat pumps Danfoss Heating Solutions VMGFQ102...
- Page 62 Installation Guide Domestic heat pumps VMGFQ102 Danfoss Heating Solutions...
- Page 63 Installation Guide Domestic heat pumps Danfoss Heating Solutions VMGFQ102...
- Page 64 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. All trademarks in this material are property of the respective companies.