Danfoss DHP-A User Manual
Domestic heat pumps
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Also See for DHP-A:
- Service instructions manual (86 pages) ,
- Installation instructions manual (74 pages) ,
- Installation manual (64 pages)
Related Manuals for Danfoss DHP-A
Summary of Contents for Danfoss DHP-A
- Page 1 MAKING MODERN LIVING POSSIBLE User Guide Domestic heat pumps DHP-A DHP-A Opti 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...
- Page 2 The English language is used for the original instructions. Other languages are a translation of the original instructions. (Directive 2006/42/EC) © Copyright Danfoss A/S...
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Page 3: Table Of Contents
........Danfoss Heating Solutions VUGFE102... -
Page 4: Foreword
We thank you for the confidence that you have shown in us by buying a heat pump from Danfoss . We hope that you will benefit from it for many, many years to come. -
Page 5: Safety Precautions
Only qualified installers may install, operate and carry out maintenance and Caution repair work on the heat pump. Only qualified electricians may modify the electrical installation. Caution Only qualified refrigeration technicians may work on the refrigerant circuit. Caution Danfoss Heating Solutions VUGFE102... -
Page 6: System Modifications
Water expands when it is heated, which means that a small amount of water is released from the system via the overflow pipe. The water that exits the overflow pipe can be hot! Therefore, allow it to flow to a floor drain to prevent any risk of burning yourself. VUGFE102 Danfoss Heating Solutions... -
Page 7: About Your Heat Pump
During normal operation the coil becomes cold as energy is lost through the exchange of heat. In humid air conditions it may build up a layer of ice. DHP-A has an automatic function to defrost the coil by reusing the heat energy produced. -
Page 8: Speed (Rpm) Controlled Circulation Pumps
During heating of the heating system water, a small proportion is diverted through an additional heat ex- changer and is used to heat the domestic water in the water tank. A shunt valve controls the flow between the hot water and the heating system. VUGFE102 Danfoss Heating Solutions... -
Page 9: Water Heater
The hot water tanks for DHP-A differ from the other heat pumps as the function for defrosting the outdoor unit is different. -
Page 10: Auxiliary Heating
AUTO. The electrical heater is made up of an electric heating element on the sup- ply line that has two outputs, AUX. HEAT 1 and AUX. HEAT 2, and can be controlled in three steps. DHP-A has three outputs, AUX. -
Page 11: Control System
▪ Not lit means that the heat pump is not powered. ▪ Green continuously lit, means that the heat pump has power and is ready to produce heat or hot water. ▪ Flashing green light, means an active alarm. Danfoss Heating Solutions VUGFE102... -
Page 12: Display
DEFROST – Displayed when defrosting is active (applies to DHP-A ). FAN – Displayed when the fan is active (applies to DHP-A ). L = Low speed, H = High speed COOLING – Displayed if cooling is produced. A = Active cooling. -
Page 13: Main Menu
DEFROST X(Y) Displayed when defrosting is active. X shows the actual temperature reached. Y shows at which temperature defrost is complete (applies to DHP-A ). Main Menu The display's INFORMATION menu is used to set and adjust the heat pump functions and is opened by pressing the left or right button. -
Page 14: Settings And Adjustments
If the operating modes OFF or HOT WATER are to be used for long periods Warning during the winter, the water in the heating system must be drained, other- wise there is a risk of damage caused by the water freezing. VUGFE102 Danfoss Heating Solutions... -
Page 15: Adjusting The Indoor Temperature
Used to adjust the heat curve at an outdoor temperature of -5°C HEAT STOP This function stops all production of heat when the outdoor temperature is equal to, or higher than, the heat stop value currently set. Danfoss Heating Solutions VUGFE102... - Page 16 1. Press either the + or - button once to open and change the ROOM value. 2. Increase or decrease the ROOM value using the + or - buttons to change the indoor temperature. 3. Wait ten seconds or press the left button once to exit the menu. VUGFE102 Danfoss Heating Solutions...
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Page 17: Reading Off Temperatures
4. Press the down button to move the cursor to the MANUAL DEFROST menu option. 5. Press the right button once. 6. Press the up button once to start defrost. 7. Press the left button three times to exit the menu. Danfoss Heating Solutions VUGFE102... -
Page 18: Regular Checks
Reset the alarm as below. If the alarm remains, contact a service technician. sage For alarms that are not reset automatically, acknowledgement is required. Acknowledge the alarm by setting the heat pump to operating mode OFF and then back to the desired operating mode. VUGFE102 Danfoss Heating Solutions... -
Page 19: Check The Water Level In The Heating Circuit
Under no circumstances must the fluid level be allowed to drop so far that it is no longer visible in the expansion tank. For DHP-A with pressurised brine circuit, the manometer on the expansion tank must show approximately 1.0 bar. -
Page 20: Checking Safety Valves
The filter must be cleaned twice a year after installation. The interval can be extended if there is evidence that cleaning twice a year is not necessary. Have a cloth to hand when opening the filter cover as a small amount of wa- ter usually escapes. VUGFE102 Danfoss Heating Solutions... - Page 21 8. Check that the O-ring (D) on the cover is not damaged. 9. Screw the cover back into place. 10. Turn the shut-off tap to the open position. 11. For the brine circuit filter - reinstall the insulation around the filler cock. 12. Start the heat pump. Danfoss Heating Solutions VUGFE102...
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Page 22: Default Setting In The Controller
Parameter Factory setting Any customer specific settings ROOM 20°C OPERAT. AUTO CURVE 40°C 10°C 55°C CURVE 5 0°C CURVE 0 0°C CURVE -5 0°C HEAT STOP 17°C VUGFE102 Danfoss Heating Solutions... -
Page 23: Checklist
Noise check Function test safety valves Function test mixer valve Trimming the heating system Customer information Contents of this manual Safety precautions Controller, function Settings and adjustments Regular checks Reference to service requirement Warranties and insurances Danfoss Heating Solutions VUGFE102... -
Page 24: Installation Carried Out By
Installation carried out by: Piping installation ▪ Date: ▪ Company: ▪ Name: ▪ Tel. No: Electrical Installation ▪ Date: ▪ Company: ▪ Name: ▪ Tel. No: System adjustment ▪ Date: ▪ Company: ▪ Name: ▪ Tel. No: VUGFE102 Danfoss Heating Solutions... - Page 25 User Guide Domestic heat pumps Danfoss Heating Solutions VUGFE102...
- Page 26 User Guide Domestic heat pumps VUGFE102 Danfoss Heating Solutions...
- Page 27 User Guide Domestic heat pumps Danfoss Heating Solutions VUGFE102...
- Page 28 Domestic heat pumps 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.