Solex GAG-08DC User Manual Download

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DC INVERTER

AIR TO WATER HEAT PUMP

User Manual

Model: GAG-08DC/12DC/16DC

Summary of Contents for GAG-08DC

Page 1: ... 1 DC INVERTER AIR TO WATER HEAT PUMP User Manual Model GAG 08DC 12DC 16DC ...

Page 2: ...MANUAL 12 4 1 Electric Parts Control Program working theory 12 4 2 Operating Mode Principle 13 4 3 Wire controller 14 4 3 1 Controller 14 4 3 2 Buttons definition 15 4 4 keys operation 15 4 4 1 Unlock screen 15 4 4 2 Turn on off 15 4 4 3 Change mode 5 modes 15 4 4 4 Modify the setting parameters 15 4 4 5 Clock setting 16 4 4 6 Timer setting 16 4 4 7 Night mode 18 4 4 8 Auto heat curve 18 4 4 9 Com...

Page 3: ...e heating system at low outdoor temperatures If the outdoor temperature drops to a level lower than minus 0 C factory setting the auxiliary heater switches on to ensure the heat pump unit works normally The unit is also capable of cooling in the summer The heat pump controller is an intelligent wired system The unit is rated as 8KW 12KW 16KW The Material components are chosen to provide a long ser...

Page 4: ...ced securely fixed outdoors on a firm base preferably a concrete foundation It should not be positioned next to sensitive walls for example next to a bedroom Also ensure that the placement does not inconvenience any neighbors Large amounts of condensation water as well as de icing water from defrosting can be produced You must provide good drainage at the installation area and make sure the water ...

Page 5: ... during installation and can be used during a service Under normal operating conditions the home owner does not need to have access to the controller The unit has an integrated electronic outlet water temperature sensor that limits the outlet temperature up to 60 C 3 2 Installation design The unit can be installed in several different ways The safety equipment must be installed in accordance with ...

Page 6: ... 6 B Space Heating Cooling Mode Only C 2x8 12 16 Installation Space Heating Cooling DHW ...

Page 7: ... 7 D 3x8 12 16 Installation Space Heating Cooling DHW Solar Application 1 ...

Page 8: ... in standby mode the circulation pump is controlled directly from the unit which takes the outdoor temperature and temperature in pipe into consideration to decide whether to circulate water within the system Shut off valves and drain valves are fitted so that unit can be emptied in the event of prolonged power failures The supplied flexible hoses act as vibration dampers The flexible hoses are fi...

Page 9: ...lectrical installation and service must be carried out under the supervision of a qualified electrician Electrical installation and wiring must be carried out in accordance with the stipulations in force Wiring Diagram GAG 08DC 12DC ...

Page 10: ... 10 Wiring Diagram GAG 16DC ...

Page 11: ...ssioning 3 5 1 Preparations Before commissioning make sure compressor heater has already pre heated for 3 10 minutes 1 Compressor Heater As mentioned above if the temperature is lower than 10 C it is important that the compressor heater can heat the compressor before the first start up In order to ensure this happens please follow the instructions below a Disconnect the power connection of compres...

Page 12: ...on pump or radiators the entire system will require further venting When the system is stable correct pressure and all air eliminated the automatic heating control system can be set as required e Check heating water inlet outlet temperature difference after the system is stable f Check the compressor exhaust and suction temperature g Adjust the parameters according to different weather conditions ...

Page 13: ...erature sensor breakdown the auxiliary electric heater E2 turns on e Motorized 3 way Valve G1 In DHW mode the motorized 3 way valve is power on In any other mode it is power off 4 2Operating Mode Principle 1 Space Cooling Mode Temperature setting range is 10 25 C the factory setting is 12 C 2 Space Heating Mode Temperature setting range is 10 55 C the factory setting is 45 C 3 Hot Water Mode Tempe...

Page 14: ... weekly timer Compresso r1 Heating Wifi Anti freeze zeze A C heater DHW temp AC outlet temp parameter value Defrost Cooling DHW Time Parameter number Timer point Target temp setting Mode DHW pump Up Down SET Compressor 2 DHW heater A C pump ON OFF Error A C inlet temp Sterilization Timer ON OFF ...

Page 15: ...t on 4 4 2 Turn on off Touch key OFF ON 4 4 3 Change mode 5 modes A press the key repeatly the mode icons will flash by recycling COOLING HEATING DHW COOLING DHW HEATING DHW B When selected cooling or heating plus DHW DHW will be priority C When selected DHW mode only DHW operation no cooling and heating D Healthy sterilization is an independent automatic operation mode if necessary modify the par...

Page 16: ...re C The detailed settings in the table below Item Meaning Setting range Default Change setting date 1 AC cooling 10 C 25 C 12 C 2 AC heating 10 C 55 C 45 C 3 Hot water 10 C 60 C 50 C 4 Antibacterial 60 C 70 C 65 C 4 4 5 Clock setting Press key for 6 seconds clock icon flashes Touch or key to adjust the time 4 4 6 Timer setting Press key for 6 seconds clock icon flashes Press key for 6 seconds aga...

Page 17: ...uch key again ON and will flash touch or key to change the target temperature Touch key to confirm B One day can set 3 points for on 3 points for off When timer point 1 ON is finished point 1 OFF flash Touch or key to adjust the time of timer touch key to confirm C If some points don t need to be set touch key to jump D Press key for 6 seconds clock icon flashes Press key for 6 seconds again then ...

Page 18: ... Outdoor fan run at low speed 4 4 8 Auto heat curve A AU curve translate is decided by parameter F14 positive value means move up negative value means move down 15 15 B AC AU heat curve highest temp is decided by parameter F13 from 30 50 default 45 When the parameter is 45 the AU highest target temp is 45 C 4 4 9 Communication with LCD controller LCD controlled is connected with heat pump CN27 by ...

Page 19: ...ircuit E15 DHW temp sensor error Temp sensor open circuit or short circuit E16 Outlet water temp sensor error Temp sensor open circuit or short circuit E17 FLO Water flow error 1 Water flow volume too small 2 Water flow switch error E18 Ambient temp too low 1 Outdoor air temp too low 2 temp sensor error En Communication error Communication wire open or PCB error E20 Miss Wrong phase Power supply e...

Page 20: ...ump working mode 0 no stop 1 stop when reach temp 2 running 1 minute every 15 F12 minutes F12 Water pump mode 2 interval time F11 2 1 99 minutes 15 F13 AC AU curve max temp value 30 50 C 45 C F14 AC AU curve offset value 10 10 C 0 C F15 Auto remove error 0 no remove 1 255minutes 30 F16 Sterilization temperature 40 80 C 65 C F17 Sterilization interval time 0 sterilization invalid 1 99 days 7 F18 St...

Page 21: ...0 F64 Minimum frequency healing 20 50 30 F65 Defrost frequency 20 100 60 F67 EEV Temp differential to stop the valve heating 20 20 C for factory only 2 C F68 EEV temp differential to stop the valve cooling 20 20 C for factory only 2 C F69 EEV control mode 0 15 12 F70 EEV minimum steps 2 0 100 35 F71 Cooling mode and Ambient temp 5 C EEV steps 15 250 100 F72 Cooling mode andAmbient temp 15 C EEV st...

Page 22: ...let temp 40 97 C reserved H11 Water source inlet temp 40 97 C reserved H12 Water source outlet temp 40 97 C reserved H13 IPM temperature 40 97 C H14 Solar pipe temperature 40 97 C reserved H15 Running frequency H16 Compressor current H17 EEV open steps 2 H18 EVI EEV open steps 2 reserved H19 Water flow value L min H20 Low pressure value MPa reserved H21 High pressure value MPa reserved H22 EC moto...

Page 23: ...6 AC AU curve max temp value H47 AC AU curve offset value H48 Functional value H49 AC maximum temperature H50 AC minimum temperature H51 DHW maximum temperature H52 Compressor maximum target temperature H53 AC auxiliary electric heater E2 validation H54 DHW auxiliary electric heater E1 validation H55 Water pump working mode H56 Water pump mode 2 interval time F11 2 H57 Auto restart H58 AC temp dif...

Page 24: ...ox cover 2 Back panel 12 IPM heat radiating air duct 3 4 way valve 13 Service panel 4 Plate heat exchanger 14 Plastic handle 5 Water pump 15 Front cover 6 Service valve 16 Grill 7 Right side panel 17 Fan motor 8 Base panel 18 Condensing assembly 9 Compressor 19 Fan motor bracket 10 Electronical box assembly 20 Top cover ...

Page 25: ...Service panel 3 4 way valve 14 Plastic handle 4 Plate heat exchanger 15 Front cover 5 Water pump 16 Grill 6 Service valve 17 Plastic fan blade 7 Right side panel 18 Fan motor 8 Base panel 19 Condensing assembly 9 Compressor 20 Fan motor bracket 10 Electronical box assembly 21 Top cover 11 Electrical box cover ...

Page 26: ...Service panel 3 4 way valve 14 Plastic handle 4 Plate heat exchanger 15 Front cover 5 Water pump 16 Grill 6 Service valve 17 Plastic fan blade 7 Right side panel 18 Fan motor 8 Base panel 19 Condensing assembly 9 Compressor 20 Fan motor bracket 10 Electronica box assembly 21 Top cover 11 Electrical box cover ...

Page 27: ... 27 5 2 System Drawing 5 3 Dimensions mm GAG 08DC ...

Page 28: ... 28 GAG 12DC GAG 16DC ...

Page 29: ...pressure cut off value MPa 4 40 Low pressure cut off value MPa 0 05 Type of Compressor Twin rotary Brand of EEV Saglnomiya Brand of 4 way valve Saglnomiya Refrigerant R410a Refrigerant Kg 2 3 3 3 3 90 Air flow m3 h 3700 4200 7200 Waterproof grade IPX4 Noise dB A 46 49 52 Max water outlet temperature C 60 Diameter of water connection DN 25 Rating water flow m H 1 50 2 15 2 9 Internal pressure drop ...

Page 30: ...ould operate heat pumps differently to conventional heating systems such as gas boilers Below are some points you should be aware of Since heat pumps produce water at a lower temperature than gas boilers it is important to remember the heat up time of your property is slower The lower temperature the heat pump produces the more efficient it is The higher the ambient temperature outside temperature...

Page 31: ... evening This is controlled by your central heating controller There is no right and wrong way to operate your heat pump We cannot tell you which is the most efficient way to operate it since every home is different What we can say is that you should look for the best way to heat your home that suits your lifestyle Nowadays with low cost energy monitors you can easily find the most cost effective ...

Page 32: ...Water filter MUST be installed before water go into PLATE HEAT EXCHANGER The water filter need to be cleaned at least half an year 3 Must use enough brine glycol in the water system in cold area if the air temp is lower than 0 for the safety you must use brine glycol as the fluid in the heat pump water system instead of pure water 4 MUST keep the electricity power supply always connected even when...

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