Table of Contents
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Table of Contents
Related Manuals for Danfoss DHP-AQ
Summary of Contents for Danfoss DHP-AQ
- Page 1 Installation instructions DHP-AQ VMGFD102...
- 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.
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Page 3: Table Of Contents
Check and safety functions ............. 21 11.1 Filling and bleeding the hot water heater System solution ................24 and heating system ..................65 System solution DHP-AQ Mini ..........24 11.2 Checking the pipes and electrical installation ....65 System solution DHP-AQ Midi ..........24 11.3 Configuration of control system ......... -
Page 5: About Documents And Decals
Sheet with adhesive decals that will be used as translation for the existing English language type plates. 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 Warning symbols 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! Electrical components Component, normal Component, accessory Outdoor unit Shunt valve Outdoor sensor Exchange valve hot water Hot water sensor Supply line sensor Sensor hot-water top...
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Page 7: Terminology
Pipe connections Bleeding Defrosting tank Expansion tank with safety valve, brine Brine Temperature and pressure relief valve Tap water Outdoor unit Water heater Heating system Terminology Term Meaning Heating system/Heat transfer fluid The circuit that generates heat to the property or to the water heater. circuit Supply line The heating system’s supply line with flow direction from the heat pump to radiators/... -
Page 8: Important Information
Important information General safety precautions Warning! Risk of personal injury! Children are not permitted to play with the product. Caution! The heat pump must be installed by authorised installation engineers and the installation must follow the applicable local rules and regulations as well as these installation instructions. 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
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 10: Commissioning
Commissioning Caution! The installation may only be commissioned if the heating system is filled and bled. Otherwise the circulation pump can be damaged. Caution! If the installation is only to operate using an auxiliary heater during the installation, ensure that the heating system is filled and bled and that the compressor cannot be started. -
Page 11: Transport, Unpacking And Positioning
Transport, unpacking and positioning Transporting heat pump Caution! The heat pump must always be transported and stored standing and in a dry environment. If the heat pump is laid on the incorrect side it may become seriously damaged as the oil in the compressor can run out in the pressure pipe and therefore prevent normal function. - Page 12 100 mm ~900 mm Position Description Meas- 6-9 kW 11-13 kW 16-18 kW ure- Drainage hole ments Foundation 450 mm 470 mm 710 mm Gravel 424 mm 480 mm 480 mm 618 mm 672 mm 857 mm 130 mm 190 mm 145 mm 61 mm 65 mm...
- Page 13 Caution! A driptray is installed with the purpose of gathering and draining away melt water during defrosting. Connect a hose or pipe along with a heat trace cable between the outlet of the drip tray and a drain or a free draining piece of ground. The heat cable must be connected to the terminal provided and is necessary to prevent ice blockage.
- Page 14 3.3.2 Lifting instructions To lift the heat pump into position, unscrew the side plates by slackening off the screws (1). Then use the side members behind the side panels to lift and position the heat pump. 12 – Installation instructions VMGFD102...
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Page 15: The Heat Pump
155.5 mm Height to return line pipe, 28 mm Cu 96.5 mm Length max protruding pipe 30 mm Control unit DHP-AQ Mini Position Description Lead-in for supply, sensor and communication cables Control unit DHP-AQ Midi Installation instructions VMGFD102 – 13... - Page 16 Position Description Supply line for heating system, 28 mm Cu Supply line to water heater, 28 mm Cu Supply line from heat pump, 28 mm Cu Lead-in for supply, sensor and communication cables Control unitDHP-AQ Maxi Position Description Supply line heating system, 28 mm Cu Return line heating system, 28 mm Cu...
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Page 17: Components
Components 4.2.1 Outdoor unit Position Name Position Name Electrical cabinet Electronic expansion valve Receiver Pressure transmitter Drying filter Suction line Heat exchanger Compressor Flow sensor High pressure switch Heating system supply line Operating pressure switch Return line heating system Four-way valve Solenoid Discharge pipe Non-return valve... - Page 18 101.8 – 101.16. If an immersion heater of a different type is used that requires a start signal in DHP-AQ Mini (placed before the hot water reversing valve) the auxiliary heater is controlled from the potential free output 101.8 – 101.16. The parame- ter MAX STEP is set to ”P”.
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Page 19: Principle Description
In the event of power cuts longer than three minutes, only a 6 kW output will be connected immediately after power has returned, the remaining output is delayed two hours. 4.2.6 Compressor heater The compressor heater runs in intervals when the outdoor temperature falls below 10°C. The compressor heater does not run at the same time as the compressor. -
Page 20: Hot Water Function
Position Description Position Description Compressor Electronic expansion valve Operating pressure switch Non-return valve High pressure switch Solenoid Discharge pipe sensor Refrigerant sensor 2 Four-way valve Air exchanger (evaporator) Heating system (cold return line) Plate heat exchanger (condenser) Refrigerant sensor 1 Heating system ( hot supply line) Pressure transmitter Receiver...