Version 2.2
User Guide
GDH™-G°CEL series
Page 1: ...Version 2 2 User Guide GDH G CEL series ...
Page 2: ...at pump connection 7 5 Installation electrical connection 5 1 Installation 8 6 Electrical connection 6 1 Installation 380V 50 Hz 9 6 2 Installation 220V 50 Hz 9 6 3 Connection plan 380V 50 Hz 10 6 4 Connection plan 220V 50 Hz 11 7 GDH Heat Pump Manager 7 1 Controller electronic control technology 12 7 2 Controller options 12 7 3 GDH Heat Pump Manager controller board 13 7 4 GDH Heat Pump Manager c...
Page 3: ...logy for domestic water generation 1 2 Functional description Heat is drawn by the ground water The obtained heat and additional energy produced by the compressor heat the water on the condenser side using the plate heat exchanger 1 3 Statutory regulations The GDH heat pump series complies with DIN VDE and ICL specifications and EU directives The specifications and directives can be found in Chapt...
Page 4: ... prevailing wind direction should be in line with the direction of air intake of the heat pump Ensure that the air intakes and outlets are free from any shrubbery and tall grass Bolt the heat pump securely to the footing 3 0 Preparing and hydraulic connection 3 1 Preparing The GDH heat pump may be installed on a flat ground A location must be selected which also provides sufficient space to servic...
Page 5: ...cuit temperature is controlled by B4 at inlet temperature When the Heat pump controller measures that the temperature is under the set point for DHW or the heating circuit the compressor will be switched on DHW has the priority over the heating circuit Main circulation pump is controlled by output NO7 The circulation pump works during winter mode the whole time In summer mode the circulation pump ...
Page 6: ...ciently a buffer tank must be installed Please note following general pressure drops in a heating system 10 kPA 1 m high for a circulation pump please check the diagrams in the manufacturer manual Water tank 1 0 1 5 m Heat exchanger in a water tank 1 5 2 0 m Heat pump 1 5 3 0 m Heat meter 1 5 2 0 m Filter new or cleaned 1 5 2 0 m Electrical heater 0 5 1 0 m 3 way valve 1 0 2 0 m Pipes with angles ...
Page 7: ...at the water gets frozen in winter The sole distributor can be connected direct to the heat pump 4 2 Water water heat pump connection When the heat pump works with water as energy source You need to install an additional heat exchanger or filter between the heat pump and the water source To prevent the internal heat exchanger from the ground water You need an additional heat exchanger for water wa...
Page 8: ...the cover plate Step 2 Put the display into the frame and use the two screws to fix it Step 3 Connect the cable to the display Step 4 Connect the other side to the controller Step 5 Put the frame on the display Step 6 Connect the temperature sensors from the outdoor unit to the controller board The cable has two wires one must be connected to GND and the other cable must be connected to the port ...
Page 9: ...ou have connected the right direction for the 3 phase current The compressor would be damaged if it s running in a wrong direction Listen at the noise when you first start up the heat pump Normally the sound is like a washing machine Check the high and low pressure values If the pressure is the same on both sides the compressor is not connected right 6 2 Installation 220V 50 Hz Please connect the ...
Page 10: ...Version 2 2 10 6 3 Connection plan 380V 50 Hz ...
Page 11: ...Version 2 2 11 6 4 Connection plan 220V 50 Hz ...
Page 12: ...of 2x mixed heating circuits Serial interfaces for a modular system configuration Connection to BMS systems Substantial energy efficiency and associated cost savings thanks to the integrated instrument and facility management Better system administration via a simple graphical user interface Anti Legionella protection function for domestic water Bivalent mode for automatic switchover between the h...
Page 13: ...Version 2 2 13 7 3 GDH Heat Pump Manager controller board Please refer the manual GDH Heat Pump Manager ...
Page 14: ...6 DHW heater overload ID7 External boiler heater alarm ID8 Remote on off ID9 Dew point sensor 3 ID10 Primary circuit flow switch 0 10 Volt Output Y1 0 10V Mix valve 1 Y2 0 10V Cooling circulation pump Y3 0 10V Mix valve 2 Y4 0 10V Modulated Geothermal pump Temperature sensors B1 NTC Geothermal inlet temp B2 NTC Geothermal outlet temp B3 NTC DHW control temp B4 NTC Prim system inlet temp B5 NTC Mix...
Page 15: ...NO1 NO12 Pre connected 220V Outputs Port 1 2 3 4 5 6 NO 2 3 4 5 7 11 Device Geothermal pump Primary circuit pump DHW pump 3 way Mix circuit pump 1 Heating circuit pump Mix circuit pump 2 Example connection for the primary circuit pump at pre conncection port 1 For devices greater than 2 5 Ampere or 380V use a contactor and a fuse Port NO6 NO8 for the electrical heater or boiler are not pre conntec...
Page 16: ...r overload Remote on off Dew point sensor 3 Primary circuit flow switch 7 7 Analog 0 10V ouputs Control signal for 0 10 volt controlled devices Mix valve 1 connection 0 10V Y1 Port Y Y Y NO 1 2 3 Device Mix valve 1 Cooling circuit pump Mix valve 2 only on off signal use a dc contactor 7 8 Analog inputs Temperature sensor connection Connect the cable to G and the port B for the temperature probe Co...
Page 17: ...Version 2 2 17 8 Heat pump dimensions 8 1 Indoor unit A B C 770 mm 450 mm 960 mm ...
Page 18: ...levant requirements of the applicable EC directives This declaration becomes invalidated if any modifications are made to product s without our prior authorization Typ e G CEL series Designation EC Directives Brine to water heat pumps 98 37 EG for outdoor installation 2006 95 EG 2004 108 EG Harmonized EN Standards EN 378 EN 349 EN 60529 EN 60335 1 2 40 EN ISO 12100 1 2 EN 55014 1 2 EN ISO 13857 EN...
