Danfoss DHP-A Service Instructions Manual
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Danfoss DHP-A Service Instructions Manual

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See also: User Manual , Instruction and Installation Manual
Enlarged version
Service instructions
DHP-A
DHP-A Opti
DHP-AL
DHP-AL Opti
DHP-C
DHP-H
DHP-H Opti
DHP-H Opti Pro
DHP-L
DHP-L Opti
DHP-L Opti Pro
VMGFC302

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Summary of Contents for Danfoss DHP-A

  • Page 1 Service instructions DHP-A DHP-A Opti DHP-AL DHP-AL Opti DHP-C DHP-H DHP-H Opti DHP-H Opti Pro DHP-L DHP-L Opti DHP-L Opti Pro VMGFC302...
  • Page 2 If these instructions are not followed during installation and service, Danfoss A/Sliability according to the applicable warranty is not binding. Danfoss A/S retains the right to make changes to components and specifications without prior notice. © 2010 Copyright Danfoss A/S.

  • Page 3: Table Of Contents

    DHP-L, DHP-L Opti............... 13 DHP-L Opti Pro................14 DHP-A, DHP-A Opti..............15 DHP-AL, DHP-AL Opti..............16 Outdoor unit DHP-A, DHP-AL, DHP-A Opti, DHP-AL Opti. 17 Transport, unpacking and setting-up........18 Separating the heat pump............18 Piping installation................21 Information collector pipe............21 Connection of several brine coils...........

  • Page 5: About Documents And Decals

    Supplied with the heat pump on delivery. The Service instructions and Electrical instructions are available for download here: www.documentation.heatpump.danfoss.com Symbols in documents The instructions contain different warning symbols, which, together with text, indicate to the user that there are risks involved with actions to be taken.

  • Page 6: Symbols On Decals

    Symbols on decals Warning, danger! Read the documentation provided. Read the documentation provided. Warning, hazardous electrical voltage! Warning, hot surfaces! Warning, moving parts! Warning, risk of crushing injury! Pipe connections Tap water Heating system Brine Defrosting tank Expansion tank with safety valve, brine Bleeding 4 –...

  • Page 7: Terminology

    Temperature and pressure relief valve Outdoor unit Water heater Electrical components Component, normal Component, accessory Outdoor unit Drip tray Outdoor sensor Shunt valve Hot water sensor Room sensor Sensor hot-water top Flow guard Defrost sensor Terminology Table 1. Terminology Term Meaning Heating system/Heat transfer fluid The circuit that generates heat to the property or to the water heater.

  • Page 8: Important Information

    Important information Warning! Risk of personal injury! Children are not permitted to play with the product. Caution! This product is not intended for persons (including children) with reduced physical, sensory or psychological capacity, or who do not have knowledge or experience, unless supervised or they have received instructions on how the apparatus functions from a safety qualified person.

  • Page 9: Electrical Connection

    Draining and refilling must only be carried out using new refrigerant (for the amount of refrigerant see manufac- turer’s plate) through the service valves. Caution! All warranties from Danfoss are void if, when filling with refrigerant other than Danfoss A/S specified refrigerant, if there has not been written notification that the new refrigerant is an approved replacement refrigerant together with other remedies.

  • Page 10: Check And Safety Functions

    Check and safety functions The heat pump has a number of check and safety functions to protect the installation against damage during abnormal operating conditions. The diagram below shows the heat pump's three circuits with respective safety functions. Symbol explanation Heat transfer fluid circuit Safety valve, heat transfer fluid circuit, externally mounted...
  • Page 11 If the thermal over current relay (position 1 in the image below) 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.

  • Page 12: Heat Pump Data, Components

    Heat pump data, components Note! Illustrations of products are not precise drawings and must only be considered as schematic images. Differences in component parts may occur. DHP-H, DHP-H Opti Figure 3. Components Symbol explanation Water heater, 180 litres Drying filter Return pipe sensor, heating system Expansion valve Evaporator, insulated...

  • Page 13: Dhp-H Opti Pro

    DHP-H Opti Pro Figure 4. Components Symbol explanation Water heater, 180 litres Drying filter Return pipe sensor, heating system Hot water temperature sensor (displays max- imum temperature) Evaporator, insulated Control panel for control equipment HGW shunt valve Electrical panel Supply pipe sensor, heating system Compressor Heating system circulation pump Low pressure switch...

  • Page 14: Dhp-C

    DHP-C Figure 5. Components Symbol explanation Water heater, 180 litres Brine out Return pipe sensor, heating system Circulation pump, brine system Evaporator, insulated Expansion valve Heat exchanger for cooling operation Drying filter Exchange valve cooling Hot water temperature sensor (displays maximum temperature) Shunt cooling Control panel for control equipment...

  • Page 15: Dhp-L, Dhp-L Opti

    DHP-L, DHP-L Opti Figure 6. Components Symbol explanation Auxiliary heater, immersion heater on supply line Expansion valve Return pipe, heating system Control panel for control equipment Reversing valve Brine in Evaporator, insulated Electrical panel Heating system circulation pump Compressor Supply pipe sensor, heating system Low pressure switch Brine out Operating pressure switch...

  • Page 16: Dhp-L Opti Pro

    DHP-L Opti Pro Figure 7. Components Symbol explanation Auxiliary heater, immersion heater on supply line Expansion valve Return pipe, heating system Control panel for control equipment Supply line water heater Electrical panel HGW shunt valve Compressor Evaporator, insulated Low pressure switch Supply pipe sensor, heating system Operating pressure switch Circulation pump, heating system...

  • Page 17: Dhp-A, Dhp-A Opti

    DHP-A, DHP-A Opti Figure 8. Components Symbol explanation Water heater, 180 litres Brine out Defrosting tank Hot water temperature sensor (displays maximum tem- perature) Evaporator, insulated Control panel for control equipment Exchange valve, defrosting Electrical panel Exchange valve, heating system...

  • Page 18: Dhp-Al, Dhp-Al Opti

    DHP-AL, DHP-AL Opti Figure 9. Components Symbol explanation Heating system supply pipe Drying filter Brine out to outdoor unit Expansion valve Return pipe, heating system Shunt valve defrosting Auxiliary heating, immersion heater Brine in to defrosting tank during defrosting Electrical panel Condenser Heating system circulation pump Compressor...

  • Page 19: Outdoor Unit Dhp-A, Dhp-Al, Dhp-A Opti, Dhp-Al Opti

    Outdoor unit DHP-A, DHP-AL, DHP-A Opti, DHP-AL Opti Figure 10. Outdoor unit and connections Symbol explanation Outdoor unit Cover Cover Connection, brine in to outdoor unit Front cover Connection, brine out from outdoor unit Stand Connection, drain drip tray Service instructions VMGFC302 – 17...

  • Page 20: Transport, Unpacking And Setting-Up

    Transport, unpacking and setting-up Separating the heat pump Note! Does not apply to DHP-L, DHP-L Opti, DHP-L Opti Pro, DHP-AL, DHP-AL Opti. 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.
  • Page 21 Figure 12. Top panel and side panels 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: •...
  • Page 22 Disconnect the flexible hose at the electrical auxiliary heater, see figure below. Figure 14. Connections Unscrew the four screws in the corners that hold the water heater’s bottom plate. Warning! Always use two people for heavy lifting. Lift off the unit with the water heater, pipe and electrical auxiliary heater. Figure 15.

  • Page 23: Piping Installation

    Piping installation Information collector pipe Caution! Local rules and regulations related to type of collector must be followed. 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.

  • Page 24: Noise Information

    The collection well for distributing 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.
  • Page 25 • Ensure that all pipes are elastically suspended, with mountings as illustrated or similar. This is so that the rub- ber (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 18.

  • Page 26: Electrical Installation

    Electrical Installation Cable connection • When the cable is connected to the terminal block a screwdriver is used to open the terminal block, see figure below. Figure 20. Connecting cable to terminal block 24 – Service instructions VMGFC302...

  • Page 27: Installing Accessories/Additional Functions

    Installing accessories/additional functions 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. 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.

  • Page 28: Evu Function

    • Not in a room with alternative heating Break all power supply to the heat pump. Remove the front cover from the heat pump. Route the room sensor’s connecting cable through the opening in the top panel up to the connecting block.

  • Page 29: Level 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 Safety valve Level switch Floats Figure 21.

  • Page 30: Important Parameters

    Important parameters 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.

  • Page 31: Room

    In the event of outdoor temperatures below 0°C, a higher setpoint value is calculated and in the event of outdoor temperatures greater than 0°C, a lower setpoint value is calculated. -2 0 Figure 23. Increasing or reducing the CURVE changes the slope of the curve. Position Description Temperature (°C)

  • Page 32: Heat Stop

    • When changing the CURVE value, the angle of the curve on the system's heat curve changes. -2 0 Figure 24. Changing the ROOM value changes the heat curve upwards or downwards. Position Description Supply temperature (°C) Maximum supply temperature Outdoor temperature (°C) The relationship of the supply temperature to the outdoor temperature will not be affected.

  • Page 33: Integral

    INTEGRAL The heat demand in the house depends on 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 exter- nal auxiliary heater.

  • Page 34: Hysteresis

    Symbol explanation INTEGRAL A3 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 < INTEGRAL A2. This means that the external addition will be activated earlier than the internal addition.
  • Page 35 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.
  • Page 36 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 and DEFR CURVE -20 that is changed. 34 –...

  • Page 37: Troubleshooting

    Fault on sensor for start temperature. No hot water production. DEFROST SENSOR Defrost sensor fault. Heating and hot water production is controlled from the outdoor sensor’s value instead (applies to DHP-A, DHP-A Opti, DHP-AL, DHP-AL Opti). SENSOR COOLING Sensor fault. Cooling function stops.

  • Page 38: Check Points

    4K ±1 K Table 11. Expansion valve factory setting Name Setting Danfoss TUBE R404A, 4.2 kW From fully closed position, screw 3 turns out Danfoss TUBE R404A, 5.6 kW From fully closed position, screw 5,5 turns out Danfoss TUBE R404A, 8,4 kW From fully closed position, screw 5 turns out Danfoss TUBE R404A, 12.0 kW...

  • Page 39: Operational Problems

    Name Setting Danfoss TUBE R407C, 11.0 kW From fully closed position, screw 6.25 turns out Danfoss TUBE R407C, 17,0 kW From fully closed position, screw 5,5 turns out Table 12. Break pressure switches Refrigerant Pressure switch Break pressure R134a (Only applies to Low pressure switch 0.03 MPa...
  • Page 40 Cause Troubleshooting Remedy 6. The low pressure switch opens too • If the low pressure switch opens too Incorrect pressure switch installed. soon. soon or is always open, replace it. Higher break pressure than intended. See marking. • Pressure switch fault, opens at a higher pressure than indicated (mark pressure).
  • Page 41 Cause Troubleshooting Remedy 14. Blocked evaporator on the water If there is no strainer in the brine circuit, If the evaporator is thought to be side. there is a risk of dirt sticking in the evapo- blocked, try flushing it. If this does not rator and blocking it.
  • Page 42 Cause Troubleshooting Remedy 7. The high pressure switch does not • If the high pressure switch does not Incorrect pressure switch installed. open. open, replace it. Same or higher break pressure than the high pressure switch. See mark- ing. • Pressure switch fault, opens at a higher pressure than indicated (mark pressure).
  • Page 43 Cause Troubleshooting Remedy 13. Blocked condenser on the water If there is no strainer in the heating sys- If the condenser is thought to be side. tem, there is a risk of dirt sticking in the blocked, try flushing it. If this does not condenser and blocking it.
  • Page 44 Cause Troubleshooting Remedy 6. Defective compressor (applies to 3- Measurement check the voltage on the If the compressor is defective, replace it. phase heat pumps). three phases (each to zero) at the com- pressor. There must not be any large devi- ation between the phases.
  • Page 45 Table 18. Problem – Alarm AH (auxiliary heat) Cause Troubleshooting Remedy 1. The overheating protection has trip- Check if the overheating protection has If the overheating protection has trip- ped. tripped. ped, reset it. • 2. Phase drop. If the overheating protection has trip- Check if the overheating protection ped, reset it.
  • Page 46 Table 20. Problem – Alarm Brine flow low Cause Troubleshooting Remedy 1. Incorrect system selected in the In the menu SYSTEM, check which system If the incorrect system is selected, control system. is selected. change it. If the system does not contain a flow sensor but the control system is set for the system with flow sensor, this alarm occurs.
  • Page 47 Table 23. Problem – Operating pressure switch open alternatively high hot gas temperature Cause Troubleshooting Remedy 1. Operating pressure switch, func- Switch off the main switch for the If the pressure switch is closed, bridge tion. heat pump, wait until the com- the pressure switch cables temporarily pressor has been stationary for at and switch on the voltage to the heat...
  • Page 48 Cause Troubleshooting Remedy 4. There is no overflow pipe connec- Establish which safety valve does not have Install an overflow pipe according to the ted to the safety valve(s). an overflow pipe. applicable norms. 5. Filler valve between incoming cold Check whether water continuously leaks Try closing the filler valve and see if water and heating system not closed...
  • Page 49 10.4.3 Noise Table 25. Problem – Noise problem in the radiator system Cause Troubleshooting Remedy 1. Flexible hoses missing. Flexible hoses must be installed according Install flexible hoses according to the to the instructions. instructions. 2. Incorrectly installed flexible hoses. Flexible hoses must be installed according Install flexible hoses according to the to the instructions.
  • Page 50 Table 27. Problem – Shrieking, whistling noise Cause Troubleshooting Remedy 1. Whistling expansion valve. Take overheating readings, adjust Check if the noise has stopped. If not, to the recommended value. continue with point 2. Open and close the valve fully in Continue with point 3.
  • Page 51 10.4.4 Hot-water Table 29. Problem – Temperature and/or quantity Cause Troubleshooting Remedy 1. Defective 3-way valve motor. Check the function of the 3-way valve, If the motor is defective, replace it. that it runs between the end positions by running a manual test. 2.
  • Page 52 Cause Troubleshooting Remedy 9. Insufficient exchange surface to Is the exchange surface too small? Replace with a heater with a larger transfer the heat pump’s output to the exchange surface. Can the heater cope with the heat pump’s heater. output? (Only applies to heat pumps with a separate heater.) 10.
  • Page 53 Cause Troubleshooting Remedy 4. The 3-way valve has jammed in hot Check the function of the 3-way Is the motor being supplied with water mode. valve motor by test running it voltage according to the wiring manually. If the motor does not diagram in both operating shift mode during manual test instances?
  • Page 54 Cause Troubleshooting Remedy 9. The external auxiliary heater does not If an external auxiliary heater is used, Connect the external auxiliary heater start when the heat pump’s control check that it is correctly installed by test according to the instructions. computer requests it.
  • Page 55 Cause Troubleshooting Remedy 3. Defective 3-way valve motor. Check the function of the 3-way valve Is the motor being supplied with voltage motor by test running it manually. If the according to the wiring diagram in both The motor should set the valve to the motor does not shift mode during manual operating instances? relevant end position depending on...
  • Page 56 10.4.6 Other Table 33. Problem – The heat pump runs and runs but never stops Cause Troubleshooting Remedy 1. Air in the heating system. Listen for air in the heat pump and heat- Bleed the heating system according to ing system. the installation instructions.
  • Page 57 Cause Troubleshooting Remedy 6. The compressor runs backwards. • If the phases are in the incorrect order, If the text ERR PHASE SEQ. appears in The incoming phases have the incor- switch two incoming phases at the main the display when the heat pump is rect sequence (only applies to 3- terminal block and recheck according to powered, (only appears in the first 10...
  • Page 58 Cause Troubleshooting Remedy 5. The compressor has been stopped Check if a square appears in the display’s If the operating pressure switch has by the operating pressure switch or lower left corner. If so, the operating pres- stuck in the open position, try gently delivery line sensor.
  • Page 59 Cause Troubleshooting Remedy 5. The heat pump’s control computer Check the ROOM and CURVE and MIN set- Adjust incorrect values in the heat is not set/adjusted to the customer’s tings. pump’s control computer. ROOM = requirements/wishes. Desired indoor temperature CURVE = Should be set so that the desired indoor temperature (ROOM) is maintained regardless of the outdoor temperature.
  • Page 60 Cause Troubleshooting Remedy 9. The compressor has been stopped Check if a square appears in the display’s If the operating pressure switch has by the operating pressure switch or lower left corner. If so, the operating pres- stuck in the open position, try gently delivery line sensor.
  • Page 61 Table 37. Problem – Auxiliary heater cuts in too soon Cause Troubleshooting Remedy 1. The heat pump’s control computer Check the ROOM, CURVE, INTEGRAL A1 and Adjust incorrect values in the heat is not set/adjusted to the customer’s INTEGRAL A2 settings pump’s control computer.
  • Page 62 Does not start when the control com- tions/wiring diagram. Test the function in nected, reconnect according to the puter gives the signal. manual mode. instructions. 10.4.7 Outdoor section (Applies to DHP-A) Table 40. Problem – Noise/loud noise Cause Troubleshooting Remedy 1. Positioning the outdoor unit.
  • Page 63 Table 43. Problem – Water run-off by the outdoor unit, risk of moisture problems in house foundations Cause Troubleshooting Remedy Insufficient drainage. During some periods when the outdoor Drain the ground under and around the unit is being defrosted, large amounts outdoor unit so that it can cope with the (20-40 L/day) of water can run off.

  • Page 64: Technical Data, Dhp-H

    Technical data, DHP-H Table 44. Technical data DHP-H Type Brine/water Refrigerant Type R407C Amount 0,75 1,20 1,30 1,45 1,55 2,00 Test pressurisation Design pressure Compressor Type Scroll Electrical data Mains power supply V 3-N, ~50 Hz Rated output, com- pressor Rated output, circu- lation pumps Auxiliary heater, 3...
  • Page 65 DHP-H Evaporator De-superheater Antifreeze Ethylene glycol/ Ethanol Number of units Dimensions L x 690x596x1845 W x H Weight empty Weight filled Sound power dB(A 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.

  • Page 66: Technical Data; Dhp-H Opti

    Technical data; DHP-H Opti Table 45. Technical data DHP-H Opti Type Brine/water Refrigerant Type R407C Amount 1,35 1,45 1,55 2,00 Test pressurisation Design pressure Compressor Type Scroll Electrical data Mains power supply 3-N, ~50 Hz Rated output, com- pressor Rated output, circula- tion pumps Auxiliary heater, 3 3/6/9...
  • Page 67 DHP-H Opti Number of units Dimensions L x W x 690x596x1845 Weight empty Weight filled Sound power 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.

  • Page 68: Technical Data; Dhp-H Opti Pro

    Technical data; DHP-H Opti Pro Table 46. Technical data DHP-H Opti Pro Type Brine/water Refrigerant Type R407C Amount 1,15 1,35 1,40 1,55 1,70 Test pressurisation Design pressure Compressor Type Scroll Electrical data Mains power supply 3-N, ~50 Hz Rated output, com- pressor Rated output, circula- tion pumps...
  • Page 69 DHP-H Opti Pro Number of units Dimensions L x W x 690x596x1845 Weight empty Weight filled Sound power dB(A) 45 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.

  • Page 70: Technical Data, Dhp-L

    Technical data, DHP-L Table 47. Technical data DHP-L Type Brine/water Refrigerant Type R407C Amount 0,75 1,20 1,30 1,45 1,55 2,00 Test pressurisation Design pressure Compressor Type Scroll Electrical data Mains power supply V 3-N, ~50 Hz Rated output, com- pressor Rated output, circu- lation pumps Auxiliary heater, 3...
  • Page 71 DHP-L Evaporator De-superheater Antifreeze Ethylene glycol/ Ethanol Number of units Dimensions L x 690x596x1538 W x H Weight empty Weight filled Sound power dB(A) 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.

  • Page 72: Technical Data, Dhp-L Opti

    Technical data, DHP-L Opti Table 48. Technical data DHP-L Opti Type Brine/water Refrigerant Type R407C Amount 1,20 1,35 1,45 1,55 2,00 Test pressurisation Design pressure Compressor Type Scroll Electrical data Mains power supply 3-N, ~50 Hz Rated output, com- pressor Rated output, circula- tion pumps Auxiliary heater, 3...
  • Page 73 DHP-L Opti Antifreeze Ethylene glycol/ Ethanol Number of units Dimensions L x W x 690x596x1538 Weight empty Weight filled Sound power dB(A) 44 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.

  • Page 74: Technical Data; Dhp-L Opti Pro

    Technical data; DHP-L Opti Pro Table 49. Technical data DHP-L Opti Pro Type Brine/water Refrigerant Type R407C Amount 1,15 1,35 1,40 1,55 1,70 Test pressurisation Design pressure Compressor Type Scroll Electrical data Mains power supply 3-N, ~50 Hz Rated output, compres- Rated output, circula- tion pumps Auxiliary heater, 3 step...
  • Page 75 DHP-L Opti Pro Dimensions L x W x 690x596x1538 Weight empty Weight filled dB(A) Sound power 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.

  • Page 76: Technical Data, Dhp-C

    Technical data, DHP-C Table 50. Technical data DHP-C Type Brine/water Refrigerant Type R407C R407C R407C R134a R134a R134a Amount 1,20 1,30 1,45 0,90 1,00 1,10 Test pressurisation Design pressure 2,45 2,45 2,45 Compressor Type Scroll Electrical data Mains power supply V 3-N, ~50 Hz Rated output, com- pressor...
  • Page 77 DHP-C De-superheater Antifreeze Ethylene glycol/ Ethanol Number of units Dimensions L x W 690x596x1845 Weight empty Weight filled Sound power dB(A) 47 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.

  • Page 78: Technical Data, Dhp-A

    Technical data, DHP-A Table 51. Technical data DHP-A Type Air/water Refrigerant Type R404A Amount 0,95 1,45 1,50 1,60 Test pressurisation Design pressure Compressor Type Scroll Electrical data Mains power sup- 3-N ~50Hz Rated output, com- pressor Rated output, circ.pumps/fan Auxiliary heater, 5...
  • Page 79 DHP-A High pressure 3,10 Water volume Water heater Condenser Evaporator Ethylene glycol + water solution with freezing point -32±1°C Antifreeze Number of units Indoor unit Dimensions L x W x 690x596x1845 Weight empty Weight filled Sound power dB(A) level Outdoor unit...

  • Page 80: Technical Data, Dhp-A Opti

    Technical data, DHP-A Opti Table 52. Technical data DHP-A Opti Type Air/water Refrigerant Type R404A Amount 0,95 1,45 1,50 1,60 Test pressurisation Design pressure Compressor Type Scroll Electrical data Mains power supply V 3-N ~50Hz Rated output, com- pressor Rated output, circ.pumps/fan...
  • Page 81 DHP-A Opti Water volume Water heater Condenser Evaporator Ethylene glycol + water solution with freezing point -32±1°C Antifreeze Number of units Indoor unit Dimensions L x W x 690x596x1845 Weight empty Weight filled dB(A) Sound power level Outdoor unit Dimensions L x W x...

  • Page 82: Technical Data, Dhp-Al

    Technical data, DHP-AL Table 53. Technical data DHP-AL Type Air/water Refrigerant Type R404A Amount 0,95 1,45 1,50 1,60 Test pressurisation Design pressure Compressor Type Scroll Electrical data Mains power supply V 3-N ~50Hz Rated output, com- pressor Rated output, circ.pumps/fan Auxiliary heater, 5 3/6/9/12/15 step...
  • Page 83 DHP-AL Water volume Water heater Condenser Evaporator Ethylene glycol + water solution with freezing point -32±1°C Antifreeze Number of units Indoor unit Dimensions L x W x 690x596x1538 Weight empty Weight filled dB(A) Sound power level Water heater Dimensions L x W x 690x596x1538 Weight empty Weight filled...

  • Page 84: Technical Data, Dhp-Al Opti

    Technical data, DHP-AL Opti Table 54. Technical data DHP-AL Opti Type Air/water Refrigerant Type R404A Amount 0,95 1,45 1,50 1,60 Test pressurisation Design pressure Compressor Type Scroll Electrical data Mains power supply V 3-N ~50Hz Rated output, com- pressor Rated output, circ.pumps/fan Auxiliary heater, 5 3/6/9/12/15...
  • Page 85 DHP-AL Opti Condenser Evaporator Ethylene glycol + water solution with freezing point below -32±1°C Antifreeze Number of units Indoor unit Dimensions L x W x 690x596x1538 Weight empty Weight filled dB(A) 42,5 47,7 45,5 48,1 Sound power level Water heater Dimensions L x W x 690x596x1538 Weight empty...

  • Page 86: Vmgfc302

    VMGFC302...

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