Gree Versati III GRS-CQ10Pd/NhH-M Owner'S Manual Download

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Air-to-water Heat Pump Split Versati

SPLIT TYPE

19. Wring Diagram

19.1 Control board

(1) GRS-CQ8.0Pd/NhH-M, GRS-CQ10Pd/NhH-M, GRS-CQ12Pd/NhH-M, GRS-CQ14Pd/NhH-M, GRS-CQ16Pd/

NhH-M, GRS-CQ12Pd/NhH-E, GRS-CQ14Pd/NhH-E, GRS-CQ16Pd/NhH-E

X26

X25

X26

X24 X23 X22 X21 X20 X34 X33 X32 X31 X30 X29 X28 X27

AC-L

CN8 CN10

CN9

CN16

CN15

CN19

CN18 CN3 CN4

CN1

CN20

CN21

CN22

CN23

CN24

CN26

CN25

Silk Screen

Introduction

AC-L

Live wire of power supply

Neutral wire of power supply

To the ground

X20

E-heater of water tank

X21

E-heater 1

X22

E-heater 2

X23

Other thermal by 220VAC

X24

Reserved

X25

Reserved

X26

Reserved

X27

2-way valve 1 is normally open

X28

2-way valve 1 is normally closed

X29

Reserved

X30

Reserved

X31

Reserved

X32

Reserved

X33

Reserved

X34

3-way valve signal

CN30

Build-in water pump signal(PWM)

Summary of Contents for Versati III GRS-CQ10Pd/NhH-M

Page 1: ...eat Pump Split Versati Models GRS CQ8 0Pd NhH M GRS CQ10Pd NhH M GRS CQ12Pd NhH M GRS CQ14Pd NhH M GRS CQ16Pd NhH M GRS CQ12Pd NhH E GRS CQ14Pd NhH E GRS CQ16Pd NhH E Owner s Manual Original Instructions Air Conditioners SPLIT TYPE ...

Page 2: ...ponsible for their safety Children should be supervised to ensure that they do not play with the appliance 2 This product has gone through strict inspection and operational test before leaving the factory In order to avoid damage due to improper disassembly and inspection which may impact the normal operation of unit please do not disassemble the unit by yourself You can contact our designated dea...

Page 3: ...ess of indoor unit 19 7 4 Outline dimension of indoor unit 20 7 5 Precautions on installation of indoor unit 20 7 6 Water volume and pump capacity with pump 21 7 7 Water volume and expansion vessel pressure 21 7 8 Selection of expansion vessel 22 8 Connection of Pipeline 22 8 1 Connection of outlet pipe for indoor outdoor unit 22 8 2 Installation of protective layer on connection pipe 23 9 Remote ...

Page 4: ...k 34 19 Wring Diagram 36 19 1 Control board 36 19 2 Electric wiring 41 20 Commissioning 47 20 1 Check before startup 47 20 2 Test run 48 21 Daily Operation and Maintenance 49 21 1 Recovery 50 21 2 Decommissioning 50 21 3 Safety consideration 51 21 4 Notice before seasonal use 53 21 5 Requirements on water quality 53 ...

Page 5: ...l operation of the unit for longer life and reliable operation If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard The appliance shall be installed in accordance with national wiring regulations This product is a kind of comfort air conditioning and is not allowed to be installed where there are corrosive...

Page 6: ...s 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 not in use for a long time Otherwise the...

Page 7: ...e of unit Earthing the unit must be earthed reliably The earthing wire should connect with special device of buildings If not please ask the qualified personnel 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 outdoor unit to avoid damage And never insert your...

Page 8: ...ciency or cause stop of the unit and even fire Keep pressurized spray gas holder and so on away from the unit above 1m It may cause fire or explosion Please note whether the installation stand is firm enough or not If damaged it may cause fall of the unit and injury of people Unit should be installed at the place with good ventilation to save energy When there is not water in water tank never powe...

Page 9: ...ides full disconnection under overvoltage category III conditions the instructions shall state that means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervi...

Page 10: ... power means to stop supplying power to the unit Don t directly expose the unit under the corrosive ambient with water or dampness Don t operate the unit without water in water tank The air outlet inlet of unit cannot be blocked by other objects 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 Never...

Page 11: ...er pressures Item Minimum entering water pressures Maximum entering water pressures Cooling 0 05MPa 0 25MPa Heating Water heating The range of external static pressures at which the appliance was tested add on heat pumps and appliances with supplementary heaters only If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to a...

Page 12: ...ergency mode 7 Quick water heating 8 Holiday mode 9 Forced Operation Mode 10 Quiet mode 11 Disinfection mode 12 Weather dependent Operation 13 Floor debugging 14 Air removal of the water system 15 Other thermal Cooling in cooling mode the refrigerant is condensed in the outdoor unit and evaporated in the indoor unit Via the heat exchange with water in the indoor unit the temperature of water decre...

Page 13: ...ops while the e heater of water tank runs When the setting temperature or water tank is reached the e heater will stop running 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 Holiday m...

Page 14: ... Line Up Model Name Capacity Power supply Heating1 kW Cooling2 kW GRS CQ8 0Pd NhH M 8 8 5 400V 3N 50Hz GRS CQ10Pd NhH M 10 10 GRS CQ12Pd NhH M 12 11 GRS CQ14Pd NhH M 14 12 6 GRS CQ16Pd NhH M 15 5 13 GRS CQ12Pd NhH E 12 11 230V 50Hz GRS CQ14Pd NhH E 14 12 6 GRS CQ16Pd NhH E 15 5 13 Notes a 1 Capacities and power inputs are based on the following conditions Indoor Water Temperature 30 C 35 C Outdoor...

Page 15: ...ng and Cooling Notes a The two way valve is very important to prevent dew condensation on the floor while cooling mode b Type of thermostat and specification should be complied with installation of this manual c The bypass valve must be installed to secure enough water flow rate and should be installed at the collector ...

Page 16: ...e two way valve is very important to prevent dew condensation on the floor while cooling mode b In this case three way valve should be installed and should be complied with installation of this manual c Anitary water tank should be equipped with internal electric heater to secure enough heat energy in the very cold days ...

Page 17: ...In this case three way valve should be installed and should be complied with installation of this manual c Anitary water tank should be equipped with internal electric heater to secure enough heat energy in the very cold days d When the FCU and the underfloor coil are used at the same time performance of the underfloor coil is satisfied firstly When performance of the FCU is required then Floor co...

Page 18: ... Versati 14 SPLIT TYPE 5 Main Components 5 1 Indoor unit 1 GRS CQ8 0Pd NhH M I GRS CQ10Pd NhH M I GRS CQ12Pd NhH M I GRS CQ14Pd NhH M I GRS CQ16Pd NhH M I GRS CQ12Pd NhH E I GRS CQ14Pd NhH E I GRS CQ16Pd NhH E I External Internal ...

Page 19: ...5 SPLIT TYPE 5 2 Outdoor unit 1 GRS CQ8 0Pd NhH M O GRS CQ10Pd NhH M O External DC Fan Motor Compressor Control Box Internal 2 GRS CQ12Pd NhH M O GRS CQ14Pd NhH M O GRS CQ16Pd NhH M O GRS CQ12Pd NhH E O GRS CQ14Pd NhH E O GRS CQ16Pd NhH E O ...

Page 20: ... power until all installation work is completed 6 2 Installation of outdoor unit 6 2 1 Select installation location of outdoor unit 1 Outdoor unit must be installed on a firm and solid support 2 Outdoor unit shall be installed close to the indoor unit hence to minimize the length and bends of cooling pipe 3 Avoid placing the outdoor unit under window or between two constructions hence to prevent n...

Page 21: ...cription Unit inch No Name Remarks 1 Liquid side Service Valve 1 4 GRS CQ8 0Pd NhH M GRS CQ10Pd NhH M GRS CQ12Pd NhH M GRS CQ14Pd NhH M GRS CQ16Pd NhH M GRS CQ12Pd NhH E GRS CQ14Pd NhH E GRS CQ16Pd NhH E 2 Gas side Service Valve 1 2 GRS CQ8 0Pd NhH M GRS CQ10Pd NhH M 3 Gas side Service Valve 5 8 GRS CQ12Pd NhH M GRS CQ14Pd NhH M GRS CQ16Pd NhH M GRS CQ12Pd NhH E GRS CQ14Pd NhH E GRS CQ16Pd NhH E 4...

Page 22: ...e lifted by using designated lifting hole Take care to protect the unit during lift To avoid rusting do not knock the metal parts 6 Note that when release and refix the screw of the clasper your hand should support the panal And then after connected power cable please ensure using the elastic trip of accessory to tighten with the pipe 7 Installation of Indoor Unit 7 1 Selection of the installation...

Page 23: ...pace requirements for installation Wall Wall Service Space 7 3 Installation process of indoor unit Step1 Drill holes on the wall in the following drawing Wall Wall Step2 Install expansion bolts and forecasted pannel Wall Anchor bolt X3 Wall Mounting bracket ...

Page 24: ...imension of indoor unit Description Unit inch No Name Remarks 1 Leaving Water Pipe 1 Male BSP 2 Returning Water Pipe 1 Male BSP 3 Liquid side Pipe 1 4 GRS CQ8 0Pd NhH M GRS CQ10Pd NhH M GRS CQ12Pd NhH M GRS CQ14Pd NhH M GRS CQ16Pd NhH M GRS CQ12Pd NhH E GRS CQ14Pd NhH E GRS CQ16Pd NhH E 4 Gas side Pipe 1 2 GRS CQ8 0Pd NhH M GRS CQ10Pd NhH M 5 Gas side Pipe 5 8 GRS CQ12Pd NhH M GRS CQ14Pd NhH M GRS...

Page 25: ...peration the water pump will adjust its output based on the actual load 7 7 Water volume and expansion vessel pressure Pre pressure in expension vessel Bar Maximum total water volume liter 2 5 2 0 1 5 1 0 0 5 0 0 0 50 100 150 200 250 300 350 400 Notes a The expansion vessel is 10 liter and 1bar pre pressurized b Total water volume of 280 liter is default if total water is changed because of instal...

Page 26: ... 0 0121 55 0 0145 60 0 0171 65 0 0198 70 0 0227 75 0 0258 80 0 029 85 0 0324 90 0 0359 95 0 0396 100 0 0434 8 Connection of Pipeline 8 1 Connection of outlet pipe for indoor outdoor unit 1 Align the expansion end of copper pipe with the center of threaded joint Tighten the flaring nuts with your hands 2 Tighten the flaring nuts with torque wrench until you hear a click 3 Bend of fitting pipe shall...

Page 27: ...of indoor unit and outdoor unit 3 Wrap the pipe with tapes Use the adhesive tape to wrap the connecting pipe and cable into one bundle To prevent condensate water from overflowing out of the drainpipe the drainpipe shall be separated from connecting pipe and cable Wrap the heat preservation tape so that each ring of tape shall press half of the previous ring Fix the wrapped pipe onto the wall with...

Page 28: ...1 4 5m 15m 0m 15m 0g m GRS CQ14Pd NhH M 5 8 1 4 5m 15m 0m 15m 0g m GRS CQ16Pd NhH M 5 8 1 4 5m 15m 0m 15m 0g m GRS CQ12Pd NhH E 5 8 1 4 5m 15m 0m 15m 0g m GRS CQ14Pd NhH E 5 8 1 4 5m 15m 0m 15m 0g m GRS CQ16Pd NhH E 5 8 1 4 5m 15m 0m 15m 0g m Notes a the refrigerant charge for the 8 10kW model is as high as 1 84kg It is the allowed maximum charge for the split type unit If more charge is required ...

Page 29: ...th of the connection cable of remote air temperature sensor b Height from floor is approximately 1 5m c Remote air temperature sensor cannot be located where the area may be hidden when door is open d Remote air temperature sensor cannot be located where external thermal influence may be applied e Remote air temperature sensor should be installed where space heating is mainly applied f After the r...

Page 30: ...ts etc If connected the mainboard of the unit can be seriously damaged Installation of the thermostat is very similar to that of the remote air temperature sensor 11 2 Way Valve The role of 2 way valve 1 is to control the water flow into the underfloor loop When Floor Config is set to With for either cooling or heating operation it will keep open When Floor Config is set to Without it will keep cl...

Page 31: ...Flow B between Flow B and Flow A Yes 1 SPDT Single Pole Double Throw Three wires consist of Live1 for selecting Flow B and Neutral for common 2 Flow A means water flow from the indoor unit to under floor water circuit 3 Flow B means water flow from the indoor unit to sanitary water tank Follow steps below to wire the 3 way valve Follow below procedures Step 1 Step 2 Step 1 Uncover front cover of t...

Page 32: ... thermal installation Tank temp sensor Water tank Electric heater Mixing valve Water pump Floor temp sensor 3 way vave 2 2 way valve 1 Other thermal T water in PE Safety vavle Expansion vessel T liquid pipe T gas pipe Optional E heater 3 way valve Flow switch Water pump T water out PE T optional water sensor Heating DHW Indoor Unit Step 2 Electric wiring work Other thermal L and N connect to XT3 1...

Page 33: ...cuum pump Lo knob Liquid valve Gas valve Connection pipe Pressure meter 4 After confirming that there is no leakage from the system when the compressor is not in operation charge additional R32 working fluid with specified amount to the unit through the filling opening of the liquid pipe valve of the outdoor unit Be sure to charge the specified amount of refrigerant in liquid state to the liquid p...

Page 34: ...ng ON OFF refrigerant recovery will quit 7 Turn off the power supply circuit breaker remove the gauge manifold and then disconnect the refrigerant pipes WARNING When pumping down the refrigerant stop the compressor before disconnecting the refrigerant pipes If the refrigerant pipes are disconnected while the compressor is operating and the stop valve ball valve is open the pressure in the refriger...

Page 35: ...e contact the appointed after sales service center to purchase a specialized wire with sufficient length 18 Installation of Insulated Water Tank 18 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 ...

Page 36: ...pe L 70 R2 cm R is inside radius of the pipe Moreover heat preservation should be conducted and metal pipe cannot be used For the first use water tank must be full of water before the power is on 18 2 Outline dimension and parameter of water tank Model SXTVD300LC B M Litre 300L D mm 620 D1 mm 530 H mm 1585 A mm 669 B mm 278 C mm 198 E mm 115 F mm 117 G mm 639 I mm 274 J mm 343 K mm 169 ...

Page 37: ...sulated pipes are adopted refer to the above dimensions for out diameter and wall thickness 3 Installation of circulating water inlet outlet pipes connect the water inlet of the unit with circulating outlet of water tank and water outlet of unit with circulating inlet of water tank 4 Installation of water inlet outlet pipes of the water tank safety check valve filter and cut off valve must be inst...

Page 38: ...on If cut off valve is installed outside the room PPR pipe is recommended to avoid freeze damage c Waterway pipelines can t be installed until water heater unit is fixed Do not let dust and other sundries enter into pipeline system during installation of connection pipes d After connection of all waterway pipelines perform leakage test firstly After that perform heat preservation of waterway syste...

Page 39: ... second leakage circuit must be 30mA b 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 c The power supply must be of rated voltage of the unit and special electrical line for air conditioning...

Page 40: ...N8 CN10 CN9 CN16 CN15 CN19 CN18 CN3 CN4 CN1 CN20 CN21 CN22 CN23 CN24 CN26 CN25 Silk Screen Introduction AC L Live wire of power supply N Neutral wire of power supply X3 To the ground X20 E heater of water tank X21 E heater 1 X22 E heater 2 X23 Other thermal by 220VAC X24 Reserved X25 Reserved X26 Reserved X27 2 way valve 1 is normally open X28 2 way valve 1 is normally closed X29 Reserved X30 Rese...

Page 41: ...mperature sensor CN9 Remote room temperature sensor CN7 Rreserved CN6 Rreserved CN5 Rreserved CN20 Thermostat CN21 Detection to welding protection for the optional electric heater 1 CN22 Detection to welding protection for the optional electric heater 2 CN23 Detection to welding protection for the water tank electric heater CN24 Gate control detection CN25 Flow switch CN26 Reserved CN3 Communicati...

Page 42: ...defrost H_PRESS High pressure sensor HPP High pressure switch LPP Low pressure switch for heating CN2 Low pressure switch for cooling CN7 Communication to Indoor unit CN8 Reserved CN9 Reserved COM_ESPE1 Reserved COM_ESPE2 Communication to driver board CN5 Reserved 2 GRS CQ8 0Pd NhH M GRS CQ10Pd NhH M PWR COMM X4 DC BUS X5 X6 X1 X2 X3 X7 X8 X9 U V W X1 X2 X3 Three phase power input X4 X5 X6 To one ...

Page 43: ...he filter board 2 N N OUT Neutral line input of the filter board 3 L1 1 To PFC inductor brown line 4 L1 2 To PFC inductor white line 5 L2 1 To PFC inductor yellow line 6 L2 2 To PFC inductor blue line 7 COMP Wiring board 3 pin DT 66BO1W 03 variable frequency 8 COMM Communication interface 1 3 3V 2 TX 3 RX 4 GND 9 DC BUS DC BUS Pin for electric discharge of the high voltage bar during test 10 PWR P...

Page 44: ...W Silk Screen Specification W Connector to the compressor phase W U Connector to the compressor phase U V Connector to the compressor phase V R 2 Connector to reactor input S 2 T 2 R 1 Connector to reactor input S 1 T 1 R Connector to filter L1 F S Connector to filter L2 F T Connector to filter L3 F COMM1 Reserved COMM Communication CN1 Switch power input ...

Page 45: ...ic wiring 19 2 1 Wiring principle Refer to Section 18 4 19 2 2 Electric wiring design The wiring diagram stuck to the unit always prevails 1 Wiring diagram indoor unit GRS CQ8 0Pd NhH M I GRS CQ10Pd NhH M I GRS CQ12Pd NhH M I GRS CQ14Pd NhH M I GRS CQ16Pd NhH M I ...

Page 46: ...Air to water Heat Pump Split Versati 42 SPLIT TYPE GRS CQ12Pd NhH E I GRS CQ14Pd NhH E I GRS CQ16Pd NhH E I ...

Page 47: ...Air to water Heat Pump Split Versati 43 SPLIT TYPE 2 Wiring diagram outdoor unit GRS CQ8 0Pd NhH M O GRS CQ10Pd NhH M O GRS CQ12Pd NhH M O GRS CQ14Pd NhH M O GRS CQ16Pd NhH M O ...

Page 48: ...Air to water Heat Pump Split Versati 44 SPLIT TYPE GRS CQ12Pd NhH E O GRS CQ14Pd NhH E O GRS CQ16Pd NhH E O 3 Water tank ...

Page 49: ...Air to water Heat Pump Split Versati 45 SPLIT TYPE 19 2 3 Terminal board 1 GRS CQ8 0Pd NhH M I GRS CQ10Pd NhH M I GRS CQ12Pd NhH M I GRS CQ14Pd NhH M I GRS CQ16Pd NhH M I ...

Page 50: ...Air to water Heat Pump Split Versati 46 SPLIT TYPE 2 GRS CQ12Pd NhH E I GRS CQ14Pd NhH E I GRS CQ16Pd NhH E I ...

Page 51: ...ing pipe proper 8 Are the nilometer of water tank water temperature indicator controller manometer pressure relief valve and automatic discharge valve etc installed and operated properly 9 Does power supply accord with the nameplate Do power cords conform to applicable requirements 10 Is power supply and control wiring connected properly according to wiring diagram Is earthing safe Is each termina...

Page 52: ...ion resistance between each outdoor phase and earth as well as between phases Caution defective earthing may cause electric shock No Ready to start 1 Cut off all temporary power supply resume all the insurance and check the electricity for the last time Check the power supply and voltage of the control circuit _____V must be 10 within the range of rated operating power No Start up the unit 1 Check...

Page 53: ...sure frequent check to the working condition of each part to see if there is oil stain at pipeline joint and charge valve to avoid leakage of refrigerant If malfunction of the unit is out of control of users please timely contact with authorized service center Notes a The water pressure gage is installed in the returning water line in the unit Please adjust the hydraulics system pressure according...

Page 54: ...d refrigerant shall be returned to the refrigerant supplier in the correct recovery cylinder and the relevant Waste Transfer Note arranged Do not mix refrigerants in recovery units and especially not in cylinders If compressors or compressor oils are to be removed ensure that they have been evacuated to an acceptable level to make certain that flammable refrigerant does not remain within the lubri...

Page 55: ...e discharged this shall be done in a safe manner to avoid possibility of sparking that no live electrical components and wiring are exposed while charging recovering or purging the system Repairs to sealed components During repairs to sealed components all electrical supplies shall be disconnected from the equipment being worked upon prior to any removal of sealed covers etc If it is absolutely ne...

Page 56: ... into the floor drain without any convex bow intertwist or fold Extra length of the drain hose inside the floor drain should be cut away in case of poor drainage or water freeze under low atmospheric temperature The recommended action pressure for the safety valve is 0 7Mpa the same as that for the water tank Do comply with this requirement for section of the safety valve otherwise the water tank ...

Page 57: ... so as to preheat the outdoor compressor 4 Precautions for Freeze Protection in Winter Under subzero climatic conditions in winter anti freeze fluid must be added into the water cycle and external water pipes should be properly insulated Glycol solution is recommended as the anti freeze fluid Concentration Freezing Temp C Concentration Freezing Temp C Concentration Freezing Temp C 4 6 2 19 8 10 35...

Page 58: ...global cn gree com www gree com GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 ...

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Gree Versati III GRS-CQ10Pd/NhH-M, Owner'S Manual

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