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AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL                 

7.2. Outdoor unit     

7.2.1  

GSH-60ERA, GSH-80ERA,

GSH-100ERA

 

 

 

 

 

External

 

Internal

 

Control Box 

DC Fan Motor 

Compressor 

14

Summary of Contents for GSH-100ERA series

Page 1: ...t Pump SERIE GSH 60IRA GSH 60ERA GSH 80IRA GSH 80ERA GSH 100IRA GSH 100ERA GSH 120IRA GSH 120ERA GSH 140IRA GSH 140ERA GSH 160IRA GSH 160ERA GSH 120IRA 3 GSH 120ERA 3 GSH 140IRA 3 GSH 140ERA 3 GSH 160IRA 3 GSH 160ERA 3 Operational Manual ...

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Page 3: ... 7 Main components 13 8 Installation Guideline of the unit 16 9 Installation of Indoor Unit 19 10 Connection of pipeline 26 11 Remote Air Temperature Sensor 29 12 Thermostat 31 13 2 Way Valve 32 14 3 Way Valve 33 15 Gate controller 34 16 Filling of Refrigerant 34 17 Installation of Insulated Water Tank 35 18 Wring Diagram 40 19 Debugging Operation of Unit 52 20 Daily Operation and Maintenance 54 2...

Page 4: ...be energized unless there is not any problem in check Ensure periodical clean and maintenance of the unit after normal operation of the unit for longer life and reliable operation For improvement of products there should be not additional notice of amendment of the contents This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or ...

Page 5: ...ee if the voltage of local place accords with that on nameplate of unit and capacity of power supply power cord or socket is suitable for input power of this unit Special circuit must be adopted for power supply to prevent fire Do not use octopus multipurpose plug or mobile terminal board for wire connection Be sure to pull out the power plug and drain the indoor unit and water tank when unit is n...

Page 6: ... to install Furthermore don t connect earth wire to gas pipe water pipe drainage pipe or any other improper places which professional does not recognize Never insert any foreign matter into uint to avoid damage And never insert your hands into the air outlet of outdoor unit Don t attempt to repair the unit by yourself Improper repair may cause electric shock or fire so you should contact the servi...

Page 7: ...p supplying power to the unit 5 Don t directly expose the unit under the corrosive ambient with water or dampness 6 Don t operate the unit without water in water tank The air outlet inlet of unit can not be blocked by other objects 7 The water in unit and pipeline should be discharged if the unit is not in use to prevent the water tank pipe line and water pump from frost cracking 8 Never press the...

Page 8: ... tank temperature sensor 1 R3T gas line temperature sensor 13 14 15 16 17 18 19 20 13 2 way valve 14 by pass valve 15 under floor heating 16 radiator 17 other thermal system 18 water tank 19 expansion tank 20 safety valve 4 Operating Principle of the Unit DC Inverter Air to Water Heat Pump is composed of outdoor unit indoor unit and internal fan coil water tank Operation functions 1 Cooling 2 Heat...

Page 9: ...ase three way valve should be installed and should be complied with installation of this manual 2 Sanitary water tank should be equipped with internal electric heater to to secure enough heat energy in the very cold days B Under floor coil Outdoor Indoor Sanitary Water Tank booster heater T 11 ...

Page 10: ...ater tank and exchanges heat with the water in the water tank so that the temperature of water tank increases to the required range Cooling water heating when cooling mode exists together with the water heating mode the user can set the priority of these two modes based on the needs The default priority is heat pump That is under the default setting if cooling mode exists together with the water h...

Page 11: ...door unit stops due to malfunction the two e heaters of the unit will run Disinfection mode in this mode the water heating system can be disinfected When starting up the disinfection function and setting corresponding time to meet the requirement of disinfection mode the function will start After the setting temperature is reached this mode will terminate Weather dependent Operation this mode is o...

Page 12: ...SH 140ERA GSH 120IRA GSH 120ERA GSH 100IRA GSH 100ERA GSH 80IRA GSH 80ERA GSH 60IRA GSH 60ERA GSH 160IRA 3 GSH 160ERA 3 GSH 140IRA 3 GSH 140ERA 3 GSH 120IRA 3 GSH 120ERA 3 Note 1 Capacities and power inputs are based on the following conditions Indoor Water Temperature 30 C 35 C Outdoor Air Temperature 7 CDB 6 CWB 2 Capacities and power inputs are based on the following conditions Indoor Water Tem...

Page 13: ...er floor coil for heating and cooling 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 Under floor coil Outdoor Indoor T B 10 ...

Page 14: ...Sanitary Water Tank and Heat Emitters for heating and Cooling Two way valve is very important to prevent dew condensation on the floor and Radiator while cooling mode B Outdoor Indoor Sanitary Water Tank booster heater FCU 1 FCU2 M Radiator T Under floor coil 12 ...

Page 15: ... units External Water pump Expansion Tank Flow Switch Plate Heat Exchanger Control Box Electric Heater Control Panel Safety Valve Air Vent Internal Water pressure gage GSH 60IRA GSH 80IRA GSH 100IRA GSH 120IRA GSH 140IRA GSH 160IRA GSH 120IRA 3 GSH 140IRA 3 GSH 160IRA 3 13 ...

Page 16: ...AIR TO WATER HEAT PUMP INSTALLATION MANUAL 7 2 Outdoor unit 7 2 1 GSH 60ERA GSH 80ERA GSH 100ERA External Internal Control Box DC Fan Motor Compressor 14 ...

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 Internal Control Box DC Fan Motor Compressor 15 ...

Page 18: ... completed 8 2 Installation of Outdoor Unit 8 2 1 Select Installation Location of Outdoor Unit Outdoor unit must be installed on a firm and solid support Outdoor unit shall be installed close to the indoor unit hence to minimize the length and bends of cooling pipe Avoid placing the outdoor unit under window or between two constructions hence to prevent normal operating noise from entering the roo...

Page 19: ...ce Valve 1 2 3 Handle Used to cover or uncover the front case 4 Air discharge Grill 8 2 2 Space requirements for installation GSH 120ERA GSH 140ERA GSH 160ERA GSH 120ERA 3 GSH 140ERA 3 GSH 160ERA 3 GSH 80 100 120 140 160IRA ERA GSH 60IRA ERA GSH 120 140 160IRA ERA 3 GSH 80 100 120 140 160IRA ERA GSH 60IRA ERA GSH 120 140 160IRA ERA 3 17 ...

Page 20: ... moving must be 40 below to prevent center of the unit from moving Adopt M12 bolts components to tighten feet and under frame when installing Outdoor unit should be installed on concrete base that is 10cm height Requirements on installation space dimension of unit s bodies are shown in following drawing Outdoor unit must be lifted by using designated lifting hole Take care to protect the unit duri...

Page 21: ...ut 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 Do not install at a place subject to corrosive gas severe dust salty fog smoke or heavy moisture Air flow at inlet and outlet air is not blocked 9 2 Install process of indoor unit Step1 Drilling hole on the wall in the following ...

Page 22: ...N MANUAL Step3 Attaching indoor unit to the wall make use of accessory expansion bolt C CAUTION While lifting the indoor unit at least two persons should be joined Weight of the indoor unit is almost 52kg Expansion bolt Install wall 20 ...

Page 23: ...me Remarks 1 Leaving Water Pipe 1 Male BSP 2 Returning Water Pipe 1 Male BSP GSH 80 100 120 140 160IRA ERA 5 8 3 Gas side Pipe 1 2 GSH 60IRA ERA 3 8 4 Liquid side Pipe 1 4 GSH 60IRA ERA 9 4 Space requirements for installation GSH 60IRA GSH 80IRA GSH 100IRA GSH 120IRA GSH 140IRA GSH 160IRA GSH 120IRA 3 GSH 140IRA 3 GSH 160IRA 3 GSH 120 140 160IRA ERA 3 GSH 80 100 120 140 160IRA ERA GSH 120 140 160I...

Page 24: ...m 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 9 5 3 Keep the indoor unit as close as possible to outdoor unit Level distance between connection pipes can not exceed 30m 8 0 16KW or 20m 6 0kw and vertical distance can not exceed 15m 8 0 16KW or 10m 6 0kw 9 6 Water Volume and Pump capacity 22 ...

Page 25: ...ough flow rate do not set water speed as Min it can lead unexpected flow rate error EC 9 6 Water Volume and Expansion Vessel Pressure Note Expansion vessel is included which 10 liter and 1bar pre pressure Total water volume of 280 liter is default If total water is changed because of installation condition the pre pressure should be adjusted to secure proper operation If the indoor unit is located...

Page 26: ...cording to the above formula 2 Check if the water volume is lower than the maximum water volume with help of the above figure The expansion vessel is too small and adjustment is not available 1 Note Installation height difference the difference between installing location of indoor unit and the highest spot of water system if the indoor unit is located at the highest point of the installation the ...

Page 27: ...that is the action pressure of safety valve e The expansion factor of water the difference between the expansion factor of the original water temperature and that of highest water temperature Water expansion factor in different temperature Temperature Expansion factor e 0 0 00013 4 0 10 0 00027 20 0 00177 30 0 00435 40 0 00782 45 0 0099 50 0 0121 55 0 0145 60 0 0171 65 0 0198 70 0 0227 75 0 0258 8...

Page 28: ... Pipe To avoid condensate dew or water leakage on connecting pipe the air pipe and liquid pipe must be wrapped with heat preservation material and adhesive pipe for insulation from the air The joints on indoor unit and outdoor unit must be wrapped with heat preservation materials and have no clearance against the wall surface of indoor unit and outdoor unit Wrap the pipe with tapes 1 Use the adhes...

Page 29: ...m 30m 0m 15m 50g m 5 8 3 8 7 5m 30m 0m 15m 50g m 5 8 3 8 7 5m 30m 0m 15m 50g m 5 8 3 8 7 5m 30m 0m 15m 50g m Note 1 No additional charge of the refrigerant is need when the pipe length is less than 10 m if the pipe length is longer than 10m additional charge of the refrigerant is needed according to the table GSH 60IRAGSH 60ERA GSH 80IRAGSH 80ERA GSH 100IRAGSH 100ERA GSH 120IRAGSH 120ERA GSH 140IR...

Page 30: ... of 25m 25 10 50 750g refrigerant should be added 2 Rated capacity is based on standard pipe length and maximum allowable length is base on the product reliability in the operation 3 Oil trap should be installed every 5 7 meters when the location of outdoor unit is higher than indoor unit 28 ...

Page 31: ...ensor Remote Air Temperature Sensor Doors NO NO NO NO 1 5 Meters YES Installation Guide follow as CN15 Remote Air Environment Temp sensor Electric box PCB 2 Note 1 Distance between the indoor unit and the remote air temperature senor should be less Front side Back side 29 ...

Page 32: ...re the area may be hidden When door is open 4 Remote air temperature sensor can not be located where external thermal influence may be applied 5 Remote air temperature sensor should be installed where space heating is mainly applied 6 After the Remote air temperature sensor is installed should be set the value form 0 to 1 at the function code 1 in the control panel so as to select remote air tempe...

Page 33: ...ect wire as Fig 1 v If it is Heating only thermostat please connect wire as Fig 2 1 NEVER USE 230V AC and 24V AC Thermostat at the same time otherwise it will cause short circuit and power cut off by circuit breaker 2 Setting temperature by Thermostat heating or cooling should be chosen within the setting temperature range of the product 3 For other constrains please refer to previous page where c...

Page 34: ...ve is closed 2 Normal Closed type When electric power is NOT supplied the valve is closed When electric power is supplied the valve is open How to Wire 2 Way Valve Follow below procedures Step 1 Step 2 Step 1 Uncover front cover of the indoor unit and open the control box Step 2 Find terminal block and connect wire as below 3 2 1 2 w a y va lu e 1 2 w a y va lu e 2 4 5 6 O F F O N N O F F O N N N ...

Page 35: ... flow from the indoor unit to under floor water circuit 3 Flow B means water flow from the indoor unit to sanitary water tank How to Wire 3 Way Valve Follow below procedures Step 1 Step 2 Step 1 Uncover front cover of the indoor unit and open the control box Step 2 Find terminal block and connect wire as below 12 11 10 7 8 9 3 way value 1 3 way value 2 OFF ON N OFF ON N 3 way valve should select w...

Page 36: ... Connect a vacuum pump to the liquid valve and the gas valve of the outdoor unit to remove air from the inside of the indoor unit and the connecting pipe Refer to the following figure Fig 22 After confirming that there is no leakage from the system when the compressor is not in operation charge additional R410A working fluid with specified amount to the unit through the filling opening of the liqu...

Page 37: ...re should be water pipe hot water joint and floor drain near the water tank in favor of water replenishment hot water supply and drainage of water tank Connection of inlet outlet waterway Connect the safety check valve attached with the unit points at insulated water tank with the water inlet of water tank with PPR pipe according to the following figure sealing with unsintered tape The other end o...

Page 38: ...VD300LCJ2 A K SXVD200LCJ A M SXVD200LCJ2 A M SXVD300LCJ A M SXVD300LCJ2 A M Litre 200L 200L 300L 300L coil specification SUS304 Ф22X0 8 M 10m 10m coil length N 13m 13m 18 5m 18 5m D mm 540 620 D1 mm 438 528 H mm 1595 1620 A mm 272 280 B mm 105 C mm 112 E mm 432 464 F mm 431 399 I mm 80 95 J mm 247 5 202 5 K mm 739 718 Outline Diameter H mm Φ540X1595 Φ620X1620 Package W D H mm 1620X625X630 1645X705...

Page 39: ... on the valve body points at water tank filter and cut off valve must be installed for water inlet pipe according to the installation sketch of unit At least a cut off valve is needed for the water outlet pipe Installation of blow off pipe at the bottom of water tank Connect a piece of PPR pipe with drainage outlet to floor drain A cut off valve must be installed in the middle of the drainage pipe...

Page 40: ...ton If necessary install heating device for pipeline to prevent the pipeline from freezing Hot water supplied from insulated water tank depends on pressure of water tap so there must be supply of tap water During using the cut off valve of cooling water inlet of water tank should be kept normally on 17 4 ELECTRIC WIRING WORK 17 4 1 Wiring Principle General principles Wires equipment and connectors...

Page 41: ...ith leakage protection are in use action response time must be less than 0 1 second leakage circuit must be 30mA Ⅲ The above selected power cable diameters are determined based on assumption of distance from the distribution cabinet to the unit less than 75m If cables are laid out in a distance of 75m to 150m diameter of power cable must be increased to a further grade Ⅳ Indoor outdoor supply cabl...

Page 42: ...ctive wire U U phase of compressor V V phase of compressor W W phase of compressor DC_MOTOR1 DC fan 1 pin strong power supply 3 pin fan GND 4 pin 15V 5 pin control signal 6 pin feedback signal 4V 4V1 4 way valve HEAT electric heating tape VA 1 e heater of chassis HPP high pressure switch LPP low pressure switch OVC COMP overload protection of compressor T SENSOR2 1 2 hole pipe temperature 3 4 hole...

Page 43: ... pin 5V 18 1 2 silk screen specification AC L live wire input of power supply red N Neutral line input of power supply PFC blue inductive wire blue L1 1 PFC brown inductive wire L2 1 PFC yellow inductive wire L1 2 PFC white inductive wire U U phase of compressor V V phase of compressor W W phase of compressor DC_MOTOR1 DC fan 1 pin strong power supply 3 pin fan GND 4 pin 15V 5 pin control signal 6...

Page 44: ...tion cable 1 pin earthed 2 pin B 3 pin A 4 pin 12 power supply It can not be used for communication between outdoor unit and indoor unit FA pipe electric expansion valve 1 4 pin driving impulse output 5 pin 12V H PRESS signal input of pressure sensor 1 pin GND 2 pin signal input 3 pin 5V 18 1 3 silk screen specification L1 L2 L3 live wire input of power supply N Neutral line input of power supply ...

Page 45: ...nication cable 2 pin B 3 pin A CN65 communication cable 1 pin earthed 2 pin B 3 pin A 4 pin 12 power supply It can not be used for communication between outdoor unit and indoor unit FA pipe electric expansion valve 1 4 pin driving impulse output 5 pin 12V H PRESS signal input of pressure sensor 1 pin GND 2 pin signal input 3 pin 5V 18 1 4 AC_L N PUMP1 PUMP2 RUN HEAT3 L HEAT1 L HEAT2 L ERR 2V1_OFF ...

Page 46: ...door unit1 adhesion proof protection detector OVC HEAT2 CN27 e heater of indoor unit2 adhesion proof protection detector IN SW CN25 detection input of water flow switch COM MANUAL CN6 connect the wired controller COM OUT CN5 connect to outdoor unit COM BMS CN7 connect to remote controller TR OUT1 CN2 transformer output 1 TR OUT2 CN3 transformer output 2 TR IN CN1 220V in put of transformer CN30 CN...

Page 47: ... board Communication line Error indicating lamp Running indicating lamp PE PE PE PE 2 The wires in broken line should be connected by the client 3 Power supply for thermostat If it is 230V AC please connect the thermostat to the terminal block xt3 21 22 23 24 If it is 24V AC please connect the termostat to the terminal block xt3 25 26 27 28 Specification 1 If the gate control function is required ...

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 46 ...

Page 49: ...AIR TO WATER HEAT PUMP INSTALLATION MANUAL GSH 120ERA 3 GSH 140ERA 3 GSH 160ERA 3 47 ...

Page 50: ...p sensor PE Thermostat Thermostat Power supply for Thermostat If it is 230V AC please connect Terminal block xt3 21 22 23 24 If it is 24V AC please connect Terminal block xt3 25 26 27 28 They are can not be connected as the same time 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 Gate controller 20 19 Speci...

Page 51: ... it is 24V AC please connect Terminal block xt3 25 26 27 28 They are can not be connected as the same time 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 Gate controller 20 19 Specification 1 Running indicating lamp HL1 and Error indicating lamp HL2 are connected or not on the basis of the clients demand 2 ...

Page 52: ...tric power supplyfor Indoor Unit Terminal Board 2 Terminal board3 27 28 23 22 21 Thermostat 1 Thermostat 2 24 25 26 6 5 4 2wayvalue 2 2wayvalue 1 1 2 3 9 8 7 3wayvalue 1 3wayvalue 2 10 11 12 15 14 13 16 17 18 19 20 ConnectionforClient water sACcontactor Connectionfor Indicatinglihgt Connectionfor Accident lihgt GateControl Fuction GSH 60IRA ERA GSH 80IRA ERA GSH 100IRA ERA GSH 12IRA ERA GSH 140IRA...

Page 53: ...23 22 21 Thermostat 1 Thermostat 2 24 25 26 29 30 31 power supply for water tank eletric heater 6 5 4 2wayvalue 2 2wayvalue 1 1 2 3 9 8 7 3wayvalue 1 3wayvalue 2 10 11 12 15 14 13 16 17 18 19 20 ConnectionforClient water sACcontactor Connectionfor Indicatinglihgt Connectionfor Accident lihgt GateControl Fuction GSH 12IRA ERA 3 GSH 140IRA ERA 3 GSH 160IRA ERA 3 51 ...

Page 54: ...indicator controller manometer pressure relief valve and automatic discharge valve etc are installed and operate properly 9 Check if power supply accords with the nameplate and model of power cord conform to applicable requirements 10 Check if power supply and control wiring is connect properly according to wiring diagram earthing is safe and each terminal is stable 11 Check if connection pipe wat...

Page 55: ...y damage the unit 4 Apply universal electric meter to measure the insulation resistance between each outdoor phase and earth as well as between phases Caution defective earthing may cause electric shock No Ready to start Cut off all of temporary power supply resume all the insurance and check the electricity for the last time 1 Check the power supply and voltage of the control circuit _____V must ...

Page 56: ...hing device In order to ensure anti freezing protection never cut off the power if ambient temp is below zero in winter In order to avoid frost crack of the unit water in the unit and pipeline system not used for a long period should be drained In addition open the end cap of water tank for drainage Never frequently make the unit on off and close manual valve of water system during operation of un...

Page 57: ...lfunction of power supply or terminal B Malfunction of relay C There is air in water pipe z Find out the reasons and repair z Replace relay z Evacuate Compressor starts or stops frequently A Poor or excess refrigerant B Poor circulation of water system C Low load z Discharge or add part of refrigerant z Water system is blocked or there is air in it Check water pump valve and pipeline Clean water f...

Page 58: ...re sensor dH Malfunction of backup outlet temperature sensor F1 Malfunction of liquid pipe temperature sensor inside refrigerant F8 Malfunction of inlet temperature sensor FE Malfunction of the second sanitary water tank temperature sensor FL Malfunction of the first sanitary water tank temperature sensor F3 Malfunction of gas pipe temperature sensor inside refrigerant dF Malfunction of solar outl...

Page 59: ...5 9 52 9 52 9 52 9 52 9 52 Unit W D H mm 921 427 791 921 427 791 921 427 791 950 412 1253 950 412 1253 950 412 1253 Dimensions Out door unit Packed unit W D H mm 1065 485 840 1065 485 840 1065 485 840 1110 450 1385 1110 450 1385 1110 450 1385 AIR TO WATER HEAT PUMP PERFORMANCE Model Heating floor kW 12 14 15 Capacity1 Cooling floor kW 14 15 15 5 Heating floor kW 2 8 3 33 3 9 Power Input1 Cooling f...

Page 60: ...r Supply V Ph Hz 220 240 1 50 Rated input indoor only W 3200 6200 Liquid side diameter mm inch 6 35 1 4 9 52 3 8 Gas side diameter mm inch 12 7 1 2 15 9 5 8 Cooling FCU 7 25 Cooling Floor 18 25 Heating FCU 25 55 High Temperature Cycle Operation Range Outflow water temp Heating Floor 25 45 Low Temperature Cycle Type Water cooled Nr of speed 3 Power input W 200 pump Water flow limit LPM 7 5 Volume L...

Page 61: ...ed Nr of speed 3 Power input W 200 pump Water flow limit LPM 7 5 Volume Liter 10 Water Pressure Max Bar 3 Expansio n Vessel Water Pressure Pre Bar 1 Type Sheath Material Stainless Steel Operation Automatic Steps 1 Capacity 6 Combinatio n KW 6 Electric Heater Power input Φ V Hz 3 400 50 Type Brazed Plate HEX Mai n com pon ents Heat Exchange r Quantity 1 Unit W D H mm 900 500 324 Dim ensi ons Packed...

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Page 64: ...ufacturer 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 ...

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