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Related Manuals for Danfoss DHP-AQ HP 11
Summary of Contents for Danfoss DHP-AQ HP 11
- Page 1 MAKING MODERN LIVING POSSIBLE Commissioning DHP-AQ 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
Commissioning ..............Danfoss Heating Solutions... -
Page 4: About Documents And Decals
Information regarding making the handling of the installation easier or a possible operational technical disadvantage. Symbols on 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. VIGFH202 Danfoss Heating Solutions... -
Page 5: Electrical Components
Component, accessorie according to proposed system solutions Supply line sensor 1.3.3 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 VIGFH202... -
Page 6: Checking Piping And Electrical Installation
If the amount of water in the heating system is not sufficient, Low Pressure alarms may occur. For DHP-AQ Maxi, also check: Water heater checklist Not OK Bleed valve installed For DHP-AQ Mini, also check: External Water heater checklist Not OK Exchange valve installed (factory installed in DHP-AQ Midi and DHP-AQ Maxi) VIGFH202 Danfoss Heating Solutions... -
Page 7: Checking The Electrical Installation
▪ The sensor must be positioned at least 1 m from openings in the walls that emit hot air. ▪ If the sensor cable is connected through a pipe, the pipe must be sealed so that the sensor is not affected by outgoing air. Danfoss Heating Solutions VIGFH202... -
Page 8: Filling And Bleeding
15°C ). The reason is to avoid the potential risk of freezing of the outdoor unit. Leave all radiator valves fully open. To bleed the outdoor unit, remove the lower front hatch and right hand side cover. Fig. 3: Bleed the outdoor unit Fig. 2: Remove front hatch and side cover VIGFH202 Danfoss Heating Solutions... -
Page 9: Setting Heat Pump Size
▪ Use + or – buttons to select Heat Pump size in kW. ▪ Press right arrow (>) to confirm the choice. An asterisk (*) will appear next to the chosen value. ▪ Press left arrow (<) several times to navigate back to the Service Menu. Danfoss Heating Solutions VIGFH202... -
Page 10: Configuration Of Control System
▪ Press right arrow (>) to select the appropriate value. If the system is a mix of radiator and floor heating, RADIATOR is chosen. ▪ An asterisk (*) will appear to confirm the setting . ▪ To exit factory setting, press left arrow (<) 5 times to enter Service Menu. VIGFH202 Danfoss Heating Solutions... -
Page 11: Activation Of Optimum Circulation (Variable Speed) Pump
▪ Press left arrow (<) several times to exit the Service Menu Activate hot water production The following settings are made in the Information Menu. To enter the Information Menu, press left arrow (<). Use + or – to move up and down in the menu. Danfoss Heating Solutions VIGFH202... -
Page 12: Activate The Electrical Auxiliary Heater In Dhp-Aq Midi And Dhp-Aq Maxi
The following settings are made in the Service Menu. If not already in the Service Menu, enter the Service Menu by pressing and holding left arrow (<) for at least 5 seconds. Use + or – to move up and down in the menu. VIGFH202 Danfoss Heating Solutions... -
Page 13: Activate Electrical Auxiliary Heater In Dhp-Aq Mini
The following settings are made in the Service Menu. If not already in the Service Menu, enter the Service Menu by pressing and holding left arrow (<) for at least 5 seconds. Use + or – to move up and down in the menu. Danfoss Heating Solutions VIGFH202... -
Page 14: Distribution Circuits
The following settings are made in the Service Menu. If not already in the Service Menu, enter the Service Menu by pressing and holding left arrow (<) for at least 5 seconds. Use + or – to move up and down in the menu. VIGFH202 Danfoss Heating Solutions... - Page 15 When HEAT CURVE is selected, the distribution circuit controls to the set heat curve. When CONSTANT TEMP is selected, distribution circuit controls a constant temper- ature regardless of outdoor temperature. ▪ Press left arrow (<) several times to exit the Service Menu. DISTR. CIRCUIT 2 requires expansion card. Danfoss Heating Solutions VIGFH202...
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Page 16: Find Start Flow
Depending on the operation mode, the result of the flow search may be presented as follows: Operation mode Heating If the operation mode is heating with cooling completely tuirned off, the result will be one of the following: ▪ FLOW OK ▪ FLOW NOT OK VIGFH202 Danfoss Heating Solutions... - Page 17 (You must exit the SERVICE MENU and enter the default display for each decrease in speed) Note the last reading for the F in the display and increase that value by 10%. This value is to be used as a setting in START FLOW CIRC. Danfoss Heating Solutions VIGFH202...
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Page 18: Manual Test
1 = four way valve is set for defrosting/cooling EXPANSION VALVE 0 – 100% for test of electronic expansion valve. SOLENOID 0 = closed solenoid 1 = open solenoid COMPR.HE 0 = compressor heater off 1 = compressor heater on VIGFH202 Danfoss Heating Solutions... - Page 19 The following settings are made in the MANUAL TEST menu. To activate MANUAL TEST, see description above. Use + or – to move up and down in the menu. The OPTIMUM function must be activated. See "Activation of optimum (variable speed) pump" in the chapter "Configuration of control system" Danfoss Heating Solutions VIGFH202...
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Page 20: Test The Compressor
6. Stop the compressor by setting the COMPRESSOR value to 0. 7. Stop the circulation pump by setting the CIRC. PUMP value to 0. Fig. 4: The pressure pipe (1) should get hot during operation VIGFH202 Danfoss Heating Solutions... - Page 21 Displays the current consumption in Amperes. The set value for MAX CURRENT is shown in brackets. Only appears if CURRENT LIMITER is selected in the Service menu. DISCH. PIPE Shows the temperature at the discharge pipe sensor. Danfoss Heating Solutions VIGFH202...
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Page 22: Exit Test Operation
Set the value for MANUAL TEST to 0. 7.10 Insulate the piping When the manual testing is finished, do a final check for leaks and insulate the piping. Caution Make sure that pipes transporting cold water are insulated to prevent condensation damage. VIGFH202 Danfoss Heating Solutions... -
Page 23: Starting Up
▪ Set the speed on the pump to the value where sufficient flow is guaranteed. ▪ Check that the delta temperature (the difference between the supply line and return line) should be 7–10°C. The delta is checked in the INFORMATION MENU, see description as follows. Danfoss Heating Solutions VIGFH202... - Page 24 Reinstall the lower front hatch and side cover After completed checks and tests the lower front hatch and side cover must be reinstalled on the outdoor unit. See figure 5. Fig. 5: Reinstall lower front hatch and side cover VIGFH202 Danfoss Heating Solutions...
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Page 25: Tuning The System
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 value for the CURVE indicates which value on the supply temperature is required in relation to the outdoor temperature. For a temporary temperature increase or reduction, adjust the ROOM value instead. Danfoss Heating Solutions VIGFH202... - Page 26 2. Desired supply temperature 3. Outdoor temperature (°C) -2 0 Fig. 8: Changing the ROOM value changes the heat curve upwards or downwards The relationship of the supply temperature to the outdoor temperature will not be affected. VIGFH202 Danfoss Heating Solutions...
- Page 27 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 below the heat stop setting, before the heat stop is deactivated and heat production starts again. Danfoss Heating Solutions VIGFH202...
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Page 28: Installation Protocol And Customer Info
After installation and test operation, the customer must be informed about their new heat pump installation. In the User guide there is a checklist regarding the information that the installer must give the customer. 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. VIGFH202 Danfoss Heating Solutions... -
Page 29: Important Information/Safety Regulation
Bleed valves must be installed where necessary. Caution The hot water tank must be equipped with an approved safety valve. Caution Heating systems with closed expansion tanks must also be supplied with approved pressure gauges and safety valves. Danfoss Heating Solutions VIGFH202... -
Page 30: Refrigerant
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. VIGFH202 Danfoss Heating Solutions... -
Page 31: Work On The Refrigerant Circuit
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 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 32: Commissioning
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. VIGFH202 Danfoss Heating Solutions... - Page 33 Commissioning DHP-AQ Danfoss Heating Solutions VIGFH202...
- Page 34 Commissioning DHP-AQ VIGFH202 Danfoss Heating Solutions...
- Page 35 Commissioning DHP-AQ Danfoss Heating Solutions VIGFH202...
- Page 36 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.
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