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- Page 1 Operational Manual Installation Manual Air-to-water Heat Pump SERIE GSH-60IRA GSH-60ERA GSH-80IRA GSH-80ERA GSH-120IRA-3 GSH-120ERA-3 GSH-100IRA GSH-100ERA GSH-140IRA-3 GSH-140ERA-3 GSH-120IRA GSH-120ERA GSH-160IRA-3 GSH-160ERA-3 GSH-140IRA GSH-140ERA GSH-160IRA GSH-160ERA...
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Page 3: Table Of Contents
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Contents 1. Instruction to Users--------------------------------------------------------------------------------2 2. Safety Considerations-----------------------------------------------------------------------------3 3. Diagram of the Operating Principle-------------------------------------------------------------6 4. Operating Principle of the Unit------------------------------------------------------------------6 5. Model Line-Up --------------------------------------------------------------------------------------9 6. Installation Example-----------------------------------------------------------------------------10 7. Main components--------------------------------------------------------------------------------13 8. Installation Guideline of the unit---------------------------------------------------------------16 9. -
Page 4: Instruction To Users
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 1. Instruction to Users Thank you for choosing our Air to water Heat Pump. Please read this manual carefully before installation and use the unit correctly according to the following procedure. After receipt of the unit, check it for appearance, unit model compared with your desire and attachments. -
Page 5: Safety Considerations
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 2. Safety Considerations Please read the following contents carefully before operating. WARNING ★ ★ ★ Don't operate the unit Before installation, Once abnormality like with wet hand. please see if the voltage burning smell occurs, please of local place accords cut off the power supply with that on nameplate... - Page 6 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL ★ Before cleaning please cut The power supply must User can not change ★ ★ off the power supply. adopt special circuit with power cord socket without leakage switch and enough prior consent. Wiring capacity. working must be done by professionals.
- Page 7 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL ★ When there is not ★ Please note whether the ★ unit should be installed at water in water tank, never installation stand firm the place with good ventilation power the unit on to run. enough or not.
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Page 8: Diagram Of The Operating Principle
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 3. Diagram of the Operating Principle OUTDOOR UINT INDOOR UINT 1 compressor 19 expansion tank 10 electric heater 2 four-way valve 20 safety valve 11 flow switch 3 finned coil exchanger 12 3-way valve R1T plate outlet temperature sensor 4 fan motor 13 2-way valve R2T Liquid line temperature sensor... -
Page 9: Booster Heater
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL CASE 2: connecting Sanitary Water Tank Under-floor coil Indoor Outdoor Sanitary Water Tank booster heater In this case, three-way valve should be installed and should be complied with installation of this manual; Sanitary water tank should be equipped with internal electric heater to to secure enough heat energy in the very cold days;... - Page 10 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL temperature of water decrease and it releases heat while the refrigerant absorbs heat and evaporates. With the help of wired controller, the outflow temperature can meet the user’s requirement. Through the control of valve, the low-temperature water in the system is connected with indoor fan coil and underground pipe, and exchanges heat with the indoor air so that the indoor temperature decreases to the required range.
- Page 11 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Quick water heating: in quick water heating mode, the unit runs according to the water heating control of heat pump and the e-heater of water tank runs at the same time； Forced Operation Mode: this mode is only used for refrigerant recovery and debugging for the unit；...
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Page 12: Model Line-Up
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 5. Model Line-Up Capacity Model Name Power supply Heating，KW Cooling，KW 15.5 GSH-160IRA GSH-160ERA GSH-140IRA GSH-140ERA GSH-120IRA GSH-120ERA 220-240V 10.5 1Ph～ GSH-100IRA GSH-100ERA 50Hz GSH-80IRA GSH-80ERA GSH-60IRA GSH-60ERA 15.5 GSH-160IRA-3 GSH-160ERA-3 380-415V 3Ph～ GSH-140IRA-3 GSH-140ERA-3 50Hz GSH-120IRA-3 GSH-120ERA-3 Note：... -
Page 13: Installation Example
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 6. Installation Example CASE 1: connecting Under-floor coil for heating and cooling Under-floor coil Indoor Outdoor 1． Type of thermostat and specification should be complied with installation of this manual； 2． By pass valve must be installed to secure enough water flow rate，and by pass valve should be installed at the collector；... - Page 14 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL CASE 3 : connecting Sanitary Water Tank and Heat Emitters for heating and Cooling; Radiator Under-floor coil Indoor Outdoor Sanitary Water Tank FCU2 FCU 1 booster heater Two-way valve is very important to prevent dew condensation on the floor and Radiator while cooling mode.
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Page 15: Main Components
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 7. Main components GSH-120IRA-3 7.1 Indoor units GSH-60IRA GSH-140IRA-3 GSH-80IRA GSH-160IRA-3 GSH-100IRA GSH-120IRA GSH-140IRA GSH-160IRA External Air Vent Safety Valve Electric Heater Expansion Tank Plate Heat Exchanger Control Box Water pump Control Panel Water pressure gage Flow Switch Internal... - Page 16 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 7.2. Outdoor unit 7.2.1 GSH-60ERA, GSH-80ERA,GSH-100ERA External Control Box DC Fan Motor Compressor Internal...
- Page 17 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 7.2.2 GSH-120ERA, GSH-140ERA, GSH-160ERA GSH-120ERA-3, GSH-140ERA-3, GSH-160ERA-3 External Control Box DC Fan Motor Compressor Internal...
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Page 18: Installation Guideline Of The Unit
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 8.Installation Guideline of the unit 8.1 Instruction to installation The installation of unit must be in accordance with national and local safety codes. Installation quality will directly affect the normal use of air conditioner unit. The user is prohibited from installation by himself. - Page 19 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL GSH-120ERA, GSH-140ERA, GSH-160ERA GSH-120ERA-3, GSH-140ERA-3, GSH-160ERA-3 Description Unit: inch Name Remarks GSH-80,100,120,140,160IRA/ERA Liquid-side Service Valve GSH-120,140,160IRA/ERA-3 GSH-60IRA/ERA GSH-80,100,120,140,160IRA/ERA Gas-side Service Valve GSH-120,140,160IRA/ERA-3 GSH-60IRA/ERA Handle Used to cover or uncover the front case Air discharge Grill 8.2.2 Space requirements for installation...
- Page 20 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 8.2.3 Precautions on Installation of Outdoor Unit When moving outdoor unit, it is necessary to adopt 2 pieces of long enough rope to hand the unit from 4 directions. Included angle between the rope when hanging and moving must be 40°below to prevent center of the unit from moving.
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Page 21: Installation Of Indoor Unit
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 9. Installation of Indoor Unit 9.1 Select Installation Location of Indoor Unit Avoid direct sunshine. Ensure the hanger rod, ceiling and building structure have sufficient strength to support the weight of air conditioner unit. Drainage pipe is easy to connect out. Indoor and outdoor connection pipes are easy to go outdoors Do not install at a place where flammable or explosive goods exist or flammable or explosive gas might leak. - Page 22 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Step3：Attaching indoor unit to the wall make use of accessory expansion bolt Expansion bolt Install wall ！ C CAUTION! While lifting the indoor unit, at least two persons should be joined. Weight of the indoor unit is almost 52kg.
- Page 23 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 9.3 Outline dimension of Indoor unit GSH-60IRA, GSH-80IRA, GSH-100IRA, GSH-120IRA, GSH-140IRA, GSH-160IRA, GSH-120IRA-3, GSH-140IRA-3, GSH-160IRA-3 Description Uint: inch Name Remarks Leaving Water Pipe 1″Male BSP Returning Water Pipe 1″Male BSP GSH-80,100,120,140,160IRA/ERA Gas-side Pipe GSH-120,140,160IRA/ERA-3 1/2(GSH-60IRA/ERA) GSH-80,100,120,140,160IRA/ERA Liquid-side Pipe GSH-120,140,160IRA/ERA-3...
- Page 24 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Service Space 9.5 Precautions on Installation of indoor Unit 9.5.1 Indoor unit shall be vertically mounted on the wall of the room with expansion bolt. 9.5.2 Keep the indoor unit away from heat sources like heat sink and so on in the room as much as possible.
- Page 25 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Note: The water pump is three speed-adjustable(maximum/medium/minimum), In most case, we strongly recommended to set speed as maximum; If the noise of the pump is not acceptable, we recommended change the default speed to medium speed, but to secure enough flow rate, do not set water speed as “Min”, it can lead unexpected flow rate error “EC”;...
- Page 26 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL To adjust pre-pressure, use nitrogen gas by certificated installer. 9.7 The method of calculating the charging pressure of expansion vessel needed to be adjusted is as follows. During installation, if the volume of water system has changed, please check if the pre-set pressure of the expansion vessel needs to be adjusted according to the following formula: /10 0.3)
- Page 27 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 9.8 Selection of expansion vessel Formula: ⋅ − --- Volume of expansion vessel --- Total water volume --- Pre-set pressure of expansion vessel -- The highest pressure during running of the system (that is the action pressure of safety valve.) --- The expansion factor of water (the difference between the expansion factor of the original water temperature and that of highest water temperature.)
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Page 28: Connection Of Pipeline
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 10. Connection of pipeline 10.1 Connection of Outlet Pipe for Indoor & Outdoor Unit Align the expansion end of copper pipe with the center of threaded joint. Tighten the flaring nuts with your hands. Tighten the flaring nuts with torque wrench until you hear a “click”. Bend of fitting pipe shall not be too low;... - Page 29 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Pipe size Length B Elevation A Additional model (Diameter:Φ) refrigerant Liquid Standard Max. Standard Max. 5.0m 20g/m 1/2" 1/4" GSH-60IRA GSH-60ERA 7.5m 50g/m 5/8" 3/8" GSH-80IRA GSH-80ERA 7.5m 50g/m 5/8" 3/8" GSH-100IRA GSH-100ERA 7.5m 50g/m 5/8"...
- Page 30 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Example: If 16kw model is installed at a distance of 25m, (25-10)*50=750g refrigerant should be added; Rated capacity is based on standard pipe length and maximum allowable length is base on the product reliability in the operation; Oil trap should be installed every 5-7 meters when the location of outdoor unit is higher than indoor unit.
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Page 31: Remote Air Temperature Sensor
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 11. Remote Air Temperature Sensor Back side Front side Remote Air Temperature Sensor 1.5 Meters Doors Installation Guide follow as: Remote Air Environment CN15 Temp sensor Electric box Note: 1. Distance between the indoor unit and the remote air temperature senor should be less... - Page 32 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL than 15 meter due to length of the connection cable of remote air temperature sensor. 2. Height from floor is approximately 1.5 meter; 3. Remote air temperature sensor can not be located where the area may be hidden When door is open;...
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Page 33: Thermostat
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 12. Thermostat Installation of Thermostat is very similar to that of Remote air temperature sensor, 22 23 27 28 Heat Heat Cool Cool (230V) (24V) Fig .1 22 23 27 28 Heat Heat (24V) (230V) Fig.2 How to Wire Thermostat Uncover the front cover of the indoor unit and open the control box。... -
Page 34: Way Valve
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 13. 2-Way Valve 2-way valve is required to control water flow while cooling operation. Role of 2-way valve is to cut off water flow into under floor loop in cooling mode when fan coil unit is equipped for cooling operation. -
Page 35: Way Valve
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 14. 3-Way Valve 3-way valve is required to operate sanitary water tank. Role of 3-way valve is flow switching between under floor heating loop and water tank heating loop. General Information Type Power Operating Mode Supported Selecting “Flow A”... -
Page 36: Gate-Controller
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 15. Gate-controller If there is gate control function, pull out the leading wire 50 on terminal board （ XT2 ） between19 and 20 and then connect the Gate-controller Installation Guide follow as: Gate-controller WE do not supply this section 16. -
Page 37: Installation Of Insulated Water Tank
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 17. Installation of Insulated Water Tank 17.1 Installation measure The insulated water tank should be installed and keep levelly within 5m and vertically within 3m from the Indoor unit. It can be installed in the room. Standing water tank must be installed vertically with the bottom on the ground, never suspended. - Page 38 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL be conducted and metal pipe can not be used. For the first use, water tank must be full of water before the power is on. 17.2 Outline dimension and parameter of water tank SXVD200LCJ/A-K SXVD200LCJ2/A-K SXVD300LCJ/A-K SXVD300LCJ2/A-K SXVD200LCJ/A-M...
- Page 39 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Joints Dimension Description Joint pipe thread Hot water outlet of water tank 1/2 ″ Female BSP Circulating water inlet/outlet of water tank 3/4 ″ Female BSP Cooling water inlet of water tank 1/2 ″ Female BSP Pipe joint 3/4 ″...
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Page 40: Electric Wiring Work
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Joints Dimension Description Joint pipe thread 1 ″ Male BSP Circulating water inlet/outlet of main unit 1/2 ″ Female BSP Cooling water inlet of water tank 3/4 ″ Female BSP Circulating water inlet/outlet of water tank 1/2 ″... - Page 41 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Power cable must be grounded reliably. 17.4.2 Specification of Power Supply Wire and Leakage Switch Power cable specifications and Leakage switch types in the following list are recommended for selection. Leakage Minimum Sectional Minimum Sectional Power Supply Switch Area of Power...
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Page 42: Wring Diagram
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 18. Wring Diagram 18.1 PCB OUTLINE 18.1.1 GSH-60ERA, GSH-80ERA,GSH-100ERA silk screen Specification AC-L live wire input of power supply, red zero wire input of power supply, white ground wire, yellow green L2-2 PFC blue inductive wire L1-1 PFC brown inductive wire L2-1... - Page 43 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL CN66、CN67 communication cable 2 pin B，3pinA communication cable: 1 pin earthed，2 pin B，3 pin A，4 pin+12power supply; CN65 It can not be used for communication between outdoor unit and indoor unit; pipe electric expansion valve 1-4 pin：driving impulse output；5 pin：+12V；...
- Page 44 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL HEAT electric heating tape VA-1 e-heater of chassis high pressure switch low pressure switch 1, 2hole：pipe temperature；3, 4hole：environment；5, T-SENSOR2 6hole：exhaust 1 hole:+3.3V 2 hole: detection: suction temperature T－SENSOR3 sensor CN66、CN67 communication cable 2 pin B，3 pin A communication cable 1 pin earthed，2 pin B，3 pin A，4 pin+12 power supply CN65...
- Page 45 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL DC fan 1 pin：strong power supply；3 pin：fan GND；4 pin：+15V； DC_MOTOR1 5 pin：control signal；6 pin：feedback signal； DC fan 1 pin：strong power supply；3 pin：fan GND；4 pin：+15V； DC_MOTOR2 5 pin：control signal；6 pin：feedback signal； 4-way valve HEAT electric heating tape VA-1 e-heater of chassis high pressure switch...
- Page 46 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL silk screen location specification AC-L live wire of power supply Neutral wire of power supply PUMP1 live wire of indoor water pump PUMP2 live wire of solar water pump running indicator HEAT3-L e-heater of water tank HEAT1-L e-heater of indoor unit 1 HEAT2-L...
- Page 47 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 18.2.2 Electric Wiring Design 18.2.2.1 Wiring Diagram: Indoor Unit GSH-60IRA, GSH-80IRA, GSH-100IRA, GSH-120IRA, GSH-140IRA , GSH-160IRA Indoor Unit POWER 2-way N(2) valve1 2-way valve2 Specification: 3-way 1 If there is gate control function, pull out the leading wire 50 on valve1 terminal boards between19 and 20 and then connect the...
- Page 48 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 18.2.2.2 Wiring Diagram: Outdoor Unit GSH-60ERA GSH-80ERA, GSH-100ERA GSH-120ERA, GSH-140ERA , GSH-160ERA...
- Page 49 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL GSH-120ERA-3, GSH-140ERA-3, GSH-160ERA-3,...
- Page 50 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 18.2.2.3 Wiring Diagram: Indoor AND Outdoor Unit(Including Field Wiring) GSH-60IRA/ERA, GSH-80IRA/ERA,GSH-100IRA/ERA, GSH-12IRA/ERA,GSH-140IRA/ERA, GSH-160IRA/ERA Error indicating lamp Running indicating lamp...
- Page 51 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL GSH-12IRA/ERA-3,GSH-140IRA/ERA-3, GSH-160IRA/ERA-3 Error indicating lamp Running indicating lamp...
- Page 52 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 18.2.2.4 Terminal Board Information GSH-60IRA/ERA, GSH-80IRA/ERA,GSH-100IRA/ERA, GSH-12IRA/ERA,GSH-140IRA/ERA, GSH-160IRA/ERA Terminal board 3 24 25 26 27 28 Thermostat(1) Thermostat(2) Terminal Board 1 power supply for Water tank electric heater N(2) Connecting external electric power supply for Indoor Unit Connection for Gate Control Fuction Indicating lihgt...
- Page 53 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL GSH-12IRA/ERA-3,GSH-140IRA/ERA-3, GSH-160IRA/ERA-3 Terminal Board 2 Connection for Gate Control Fuction Indicating lihgt 10 11 12 16 17 18 19 20 Connection for Client 2 way value(1) 2 way value(2) Connection for 3 way value(1) 3 way value(2) water's AC contactor Accident lihgt Terminal Board 1...
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Page 54: Debugging Operation Of Unit
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 19. Debugging Operation of Unit 19.1 Check before Startup For safety of users and unit, the unit must be started up for check before debugging. The procedures are as below: The following items shall be performed by qualified repair persons. Confirm together with the sales engineer, dealer, installing contractor and customers forthe following items having been finished or to be finished. - Page 55 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL inspection must meet the requirements before performing the test run. Test run should follow the content and steps of the table below: The following procedure should be executed by experience and qualified maintenance man. start up the pretest procedure Notice: before test, ensure that all power must be cut off including far- end power switch.
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Page 56: Daily Operation And Maintenance
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 20. Daily Operation and Maintenance In order to avoid damage of unit, all protecting devices in the unit had been set before outgoing, so the user can never adjust or remove them. For the first startup of the unit or next startup of unit after long-period stop (above 1 day)by cutting off the power, please electrify the unit in advance to preheat the unit for more than Never put sundries on the unit and accessories. -
Page 57: Troubleshooting
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Troubleshooting Malfunctions Reasons Troubleshooting Power supply Phase sequence is reverse problem Check out and re-fix Compressor does Connection wire is loose. not start up Malfunction of mainboard Find out the reasons and repair. Malfunction of Replace compressor compressor A. - Page 58 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL The table of error code Error code Error description Malfunction of outdoor environment temperature sensor Malfunction of defrost temperature sensor Malfunction of discharge temperature sensor Malfunction of suction temperature sensor Malfunction of outdoor fan Overload proection of compressor or malfunction of driver High pressure protection of compressor Low pressure protection of compressor high-temperature protection of discharge...
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Page 59: Parameter Lists
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL 21. Parameter Lists 21.1 Product Data at Rated Condition AIR TO WATER HEAT PUMP--PERFORMANCE Model GSH-60IRA/ERA GSH-80IRA/ERA GSH-100IRA/ERA GSH-12IRA/ERA GSH-140IRA/ERA GSH-160IRA/ERA Heating（floor ） Capacity Cooling（floor ） 10.5 15.5 Heating（floor ） 2.50 2.67 3.33 Power Input Cooling（floor ）... - Page 60 AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL Note: Capacities and power inputs are based on the following conditions: ①.Cooling conditions – Indoor Water Temperature 23°C/18°C; Outdoor Air Temperature 35°CDB/24°CWB ②.Heating conditions Indoor Water Temperature 30°C/35°C Outdoor Air Temperature 7°CDB/6°CWB ③.Standard piping length 7.5m Capacities and power inputs are based on the following conditions: ①.Cooling conditions Indoor Water Temperature 12°C/7°C;...
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Page 61: Operation Range
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL INDOOR UNIT Model GSH-12IRA-3 GSH-140IRA-3 GSH-160IRA-3 Power Supply V/Ph/Hz 380~415/3/50 Rated input (indoor only) 6200 Liquid side diameter 9.52(3/8) (inch) Gas side diameter 15.9(5/8) (inch) Cooling 7-25 ℃ (FCU) Operation Range Cooling ℃ 18-25 (Floor ) (Outflow water Heating 25-55(High Temperature Cycle ) - Page 64 Manufacturer: Sinclair Corporation Ltd., 1-4 Argyll Street, London W1F 7LD, UK Supplier and technical support: Nepa, spol.s.r.o. Purky ova 45 612 00 Brno Czech Republic www.nepa.cz Toll-free info line: +420 800 100 285...