Gree VERSATI III Series Owner'S Manual Download Page 28

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Air-to-water Heat Pump Split Versati

SPLIT

TYPE

No clearance

Outdoor unit

Indoor unit

Outdoor unit

Indoor unit

Oil bend

Model

Pipe size

"#$%'

Length B

Elevation A

Additional

refrigerant

gas

Liquid

Standard

Max.

Standard

Max.

GRS-CQ4.0Pd/NhH-E

1/2"

1/4"

20m

15m

16g/m

GRS-CQ6.0Pd/NhH-E

1/2"

1/4"

20m

15m

16g/m

GRS-CQ8.0Pd/NhH-E

1/2"

1/4"

25m

15m

16g/m

GRS-CQ10Pd/NhH-E

1/2"

1/4"

25m

15m

16g/m

Notes

(a) No additional charge of the refrigerant is need when the pipe length is less than 10m, if the pipe length is

Summary of Contents for VERSATI III Series

Page 1: ...ions Air Conditioners Thank you for choosing GREE air conditioners Please read this Owner s Manual carefully before operation and retain it for future reference If you have lost the Owner s Manual please contact the local agent or visit www gree com or send an email to global gree com cn for the electronic version GREE ELECTRIC APPLIANCES INC OF ZHUHAI SPLIT TYPE ...

Page 2: ...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 with the special maintenance center of our company if necessary 3 For personal injury or property loss and damage caused by improper operation such as improper installation and debugging unnecessa...

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

Page 4: ...Electric wiring work 34 19 Wring Diagram 36 19 1 Control Board 36 19 2 Electric Wiring 42 20 Commissioning 44 20 1 Check before startup 44 20 2 Test run 46 21 Daily Operation and Maintenance 47 21 1 Recovery 48 21 2 Decommissioning 48 21 3 Safety consideration 48 21 4 Notice before Seasonal Use 49 ...

Page 5: ... in check Ensure periodical clean and maintenance of the unit after normal 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 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 it would lead to...

Page 6: ...ocal 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 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 th...

Page 7: ... t change earthing mode of unit Earthing the unit must be earthed reliably The earthing wire should connect with special device of buildings If not please ask the 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: ...inlet and outlet of unit cause stop of the unit and Keep pressurized spray gas holder and so on away from the unit above 1m explosion Please note whether the 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 power the unit on to run ...

Page 9: ...for disconnection from the supply mains having a contact separation in all poles that provides 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 ...

Page 10: ...it 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 press the button with sharp objects to protect manual controller Never use o...

Page 11: ... 25MPa Heating Water heating maximum and minimum entering water 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 is damaged it must be replaced by the manufacturer its service agent or similarly The appliance is intended to be permanently con...

Page 12: ...DC Inverter Air to Water Heat Pump is composed of outdoor unit indoor unit and internal fan coil water tank Operation functions 1 2 Heating 3 4 5 6 7 8 9 10 11 12 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 tem...

Page 13: ...ck 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 mode this mode is only available for heating mode This mode is set to keep indoor temperature or leaving water temperature in a cer...

Page 14: ...r Unit Code Model Line Up Model Name Capacity Power supply Heating1 kW Cooling2 kW GRS CQ4 0Pd NhH E 4 3 8 230VAC 50Hz GRS CQ6 0Pd NhH E 6 5 8 GRS CQ8 0Pd NhH E 8 7 GRS CQ10Pd NhH E 9 5 8 5 Notes a 1 Capacities and power inputs are based on the following conditions b 2 Capacities and power inputs are based on the following conditions Indoor Water Temperature 23 C 18 C Outdoor Air Temperature 35 C ...

Page 15: ...Air to water Heat Pump Split Versati 11 SPLIT TYPE 4 Installation Example Notes a b c The bypass valve must be installed to secure enough water flow rate and should be installed at the collector ...

Page 16: ...Air to water Heat Pump Split Versati 12 SPLIT TYPE Notes a b c Anitary water tank should be equipped with internal electric heater to secure enough heat energy in the very cold days ...

Page 17: ...Air to water Heat Pump Split Versati 13 SPLIT TYPE Notes a b c Anitary water tank should be equipped with internal electric heater to secure enough heat energy in the very cold days d ...

Page 18: ...E 5 Main Components 5 1 Indoor unit 1 GRS CQ4 0Pd NhH E I GRS CQ6 0Pd NhH E I External Plate Heat Exchanger Control Box Expansion Tank Water Pump Control Panel Flow Switch 3 Way Valve Safety Valve Electric Heater Air Vent Water pressure gauge Internal ...

Page 19: ...sati 15 SPLIT TYPE 2 GRS CQ8 0Pd NhH E I GRS CQ10Pd NhH E I External Plate heat exchanger Water pressure gauge Safety valve 3 way valve Flow switch Air vent Electric heater Water pump Control panel Expansion tank Control box Internal ...

Page 20: ... Versati 16 SPLIT TYPE 5 2 Outdoor unit 1 GRS CQ4 0Pd NhH E O GRS CQ6 0Pd NhH E O External DC Fan Motor Control Box Compressor Internal 2 GRS CQ8 0Pd NhH E O GRS CQ10Pd NhH E O External DC Fan Motor Compressor Control Box Internal ...

Page 21: ...tallation workers will provide installation and test services according to installation manual 3 Do not connect to power until all installation work is completed 6 2 Installation of outdoor unit 6 2 1 Select installation location of outdoor unit 1 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...

Page 22: ...stallation of outdoor unit 1 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 2 Adopt M12 bolts components to tighten feet and under frame when installing 3 Outdoor unit should be installed on concrete base that is 10cm ...

Page 23: ...ccessory to tighten with the pipe 7 Installation of Indoor Unit 7 1 Select installation location of indoor unit 1 Avoid direct sunshine 2 conditioner unit 3 Drainage pipe is easy to connect out 4 Indoor and outdoor connection pipes are easy to go outdoors 5 leak 6 Do not install at a place subject to corrosive gas severe dust salty fog smoke or heavy moisture 7 2 Space requirements for installatio...

Page 24: ...lt X3 Step3 Attaching indoor unit to the wall Wall Thermal baffle NOTENote While lifting the indoor unit at least two persons should be joined Weight of the indoor unit is more than 50kg The indoor unit must be installed vertically to the ground and fastened securely Before commissioning the dust proof cap of the automatic relief valve must be loosened other than entirely being removed away and it...

Page 25: ...ounted on the wall of the room with expansion bolt 2 Keep the indoor unit away from heat sources like heat sink and so on in the room as much as possible 3 Keep the indoor unit as close as possible to outdoor unit Level distance between connection pipes cannot exceed 20m 4 0 6 0kW or 25m 8 0 10kW and vertical distance cannot exceed 15m 4 10kW 7 6 Water volume and pump capacity with pump Note See t...

Page 26: ... 8 Selection of expansion vessel Formula V Volume of expansion vessel C Total water volume P1 Pre set pressure of expansion vessel P2 The highest pressure during running of the system 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 i...

Page 27: ...ecting pipe the air pipe and liquid pipe must be wrapped with heat preservation material and adhesive pipe for insulation from the air 2 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 3 Wrap the pipe with tapes Ь Use the adhesive tape to wrap the connecting pipe and cable int...

Page 28: ...ength B Elevation A Additional refrigerant gas Liquid Standard Max Standard Max GRS CQ4 0Pd NhH E 1 2 1 4 5m 20m 0m 15m 16g m GRS CQ6 0Pd NhH E 1 2 1 4 5m 20m 0m 15m 16g m GRS CQ8 0Pd NhH E 1 2 1 4 5m 25m 0m 15m 16g m GRS CQ10Pd NhH E 1 2 1 4 5m 25m 0m 15m 16g m Notes a No additional charge of the refrigerant is need when the pipe length is less than 10m if the pipe length is ...

Page 29: ...d maximum allowable length is based 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 9 Remote Air Temperature Sensor Front side Back side Remote Air Temperature Sensor Doors NO NO NO NO 1 5 Meters YES AP RT6 CN1 15K CN8 Remote Air Environment Temp sensor Electric box PCB 2 Notes a Distance between...

Page 30: ... valves fan coil units etc If connected the mainboard of the unit can be Installation of the thermostat is very similar to that of the remote air temperature sensor 11 2 Way Valve J General Information Type Power Operating Mode Supported NO 2 wire 230V 50Hz AC Yes Yes NC 2 wire 230V 50Hz AC Yes Yes 1 Normal Open type When electric power is NOT supplied the valve is open When electric power is supp...

Page 31: ...A between Flow A and Flow B Yes Selecting 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 3 Follow steps below to wire the 3 way valve Follow below procedures Step 1 Step 2 Step 1 Uncover front cover of the unit and open the control box Step 2 Find terminal block and connect wires as below L N BN 7 BK 6...

Page 32: ...Heatpump system 3 Way Valve 2 2 Way Valve 1 Water Tank EH 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 XT2 3 4 4 5 Other Thermal N XT2 Step 3 Wired controller setting Other thermal shou...

Page 33: ...ir from the Pressure meter HI knob Vacuum pump Lo knob Liquid valve Gas valve Connection pipe Pressure meter 4 J valve of the outdoor unit Ь Be sure to charge the specified amount of refrigerant in liquid state to the liquid pipe Since this refrigerant is a mixed refrigerant adding it in gas form may cause the refrigerant composition to change preventing normal operation Ь Before charging check wh...

Page 34: ...he 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 refrigeration cycle could become extremely high if air is dra...

Page 35: ...nk 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 never suspended Installation Fix With Bolts Water Tank Installed on the ground and never suspended The minimum clearance from the water tank t...

Page 36: ...mension and parameter of water tank Model SXTVD300LCJ2 A K Litre 300L Enamel Coil length M 8 7m N 12 4m D mm 620 D1 mm 530 H mm 1725 A mm 209 B mm 273 C mm 605 E mm 396 F mm 127 G mm 145 I mm 608 J mm 232 K mm 320 mm J JJ Package Net weight kg 140 Gross weight kg 158 ...

Page 37: ...s 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 installed for the water inlet pipe according to the installation sketch of the unit At least a cut off valve is needed for the water outlet pipe 5 Installation of blow o...

Page 38: ... from insulated water tank depends on pressure of water tap so there must be supply of tap water f During using the cut off valve of cooling water inlet of water tank should be kept normally on 18 4 Electric wiring work 18 4 1 Wiring principle General principles 1 Wires equipment and connectors supplied for use on the site must be in compliance with provisions of regulations and engineering requir...

Page 39: ... 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 d All electrical installation shall be carried out by professional technicians in accordance with the local laws and regulations e Ensure safe grounding and t...

Page 40: ...ower 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 Reserved X31 Reserved X32 Reserved X33 Reserved X34 3 way valve signal CN18 Build in water pump signal PWM CN19 _ CN15 20K temp...

Page 41: ...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 Communication with outdoor unit CN4 Communication with control panel HEAT B 2WAY 4WAY HEAT C OFAN LPS C LPS H HPS FB FA HPP T SENSOR1 T SENSOR2 CN2 AC L PE L3 Silk Sc...

Page 42: ... 485 2 communication without 12V 3 pin 2 GRS CQ8 0Pd NhH E GRS CQ10Pd NhH E CN4 CN3 CN18 CN19 CN15 CN16 CN10 CN9 CN8 CN20 CN21 CN22 CN23 CN24 CN25 X27 X28 X29 X30 X31 X32 X33 X34 X20 X21 X22 X23 X24 X25 X26 N AC_L X3 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 2...

Page 43: ...temperature sensor refrigerant vapor line CN16 10K temperature sensor leaving water for the optional electric heater CN16 Rreserved CN8 Water tank temperature 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...

Page 44: ...ly N Neutral wire of power supply PWR1 Reserved F1 Fuse 4V 4 way valve VA 1 E heater of chassis HEAT E heater of cranke DC MOTORO Reserved DC MOTORO1 Fan motor FA EXV 1 FB EXV 2 T_SENSOR2 J T_SENSOR1 J 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 Res...

Page 45: ...IT TYPE COMM N AC L W V U L OUT N OUT Silk Screen Introduction AC L Live line input N Neutral line input L OUT Live line output N OUT Neutral line output COMM Communication U To compressor phase U V To compressor phase V W To compressor phase W ...

Page 46: ... 2 Electric 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 CQ4 0Pd NhH E I GRS CQ6 0Pd NhH E I GRS CQ8 0Pd NhH E I GRS CQ10Pd NhH E I ...

Page 47: ...Air to water Heat Pump Split Versati 43 SPLIT TYPE 2 Wiring diagram outdoor unit Ь GRS CQ4 0Pd NhH E O GRS CQ6 0Pd NhH E O Ь GRS CQ8 0Pd NhH E O GRS CQ10Pd NhH E O ...

Page 48: ...eck before debugging The procedures are as below No 1 If the contents of Application for Installation of this Unit by Installer are real If not debugging will be refused ª 2 ª 3 ª No Pre check 1 ª 2 Check the accessories attached with the unit for quantity package and so on ª 3 Make sure there is drawings in terms of electricity control design of pipeline and so on ª 4 Check if installation of the...

Page 49: ...ª 13 _ ª 14 ª Y Y _ _ a Power supply and electric control system b Loading calculation c Heating problems of Unit d Noise problem e Pipeline problem f Others incurred by any problem which is not solved immediately Submit schedule of amending reports to installer Yes No ...

Page 50: ...he phase sequence before start up to avoid reverse rotation of the compressor which may damage the unit 4 Apply the 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 1 Cut off all temporary power supply resume all the insurance and check the electricity f...

Page 51: ...installed in the returning water line in the unit Please adjust the hydraulics system pressure according to next item Ь Ь When recharging the hydraulics system pressure should be not more than 2 5 Bar Malfunctions Reasons Troubleshooting Compressor does not start up Power supply has problem Connection wire is loose Malfunction of mainboard Malfunction of compressor Phase sequence is reverse Find o...

Page 52: ... 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 be carried out prior to returning the compressor to the suppliers Only electric heating to the compressor body shall be employed to accelerate this process When oil is drained from a system it shall be carried out safely 21 2 ...

Page 53: ... 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 necessary to have an electrical supply to equipment during servicing then a permanently operating form of leak detection shall be located at the mo...

Page 54: ...d be power on 8 hours before operation starts so as 4 Precautions for Freeze Protection in Winter Concentration Freezing Temp C Concentration Freezing Temp C Concentration Freezing Temp C 4 6 2 19 8 10 35 21 8 4 4 23 6 13 38 8 26 12 2 5 27 4 15 42 6 29 16 7 31 2 17 46 4 33 Note Concentration listed in the table above indicates the mass concentration ...

Page 55: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com ...

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