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Owner's Manual
Original Instructions
Air Conditioners
Air-to-water Heat Pump All in one Versati
Models:
GRS-CQ4.0PdG/NhH-E
GRS-CQ6.0PdG/NhH-E
GRS-CQ8.0PdG/NhH-E
GRS-CQ10PdG/NhH-E
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
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Table of Contents
Related Manuals for Gree Versati GRS-CQ4.0PdG/NhH-E
Summary of Contents for Gree Versati GRS-CQ4.0PdG/NhH-E
- Page 1 GRS-CQ4.0PdG/NhH-E GRS-CQ6.0PdG/NhH-E GRS-CQ8.0PdG/NhH-E GRS-CQ10PdG/NhH-E 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.
- Page 2 To Users Thank you for selecting Gree’s product. Please read this instruction manual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our...
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Page 3: Table Of Contents
Contents Safety Notices (Please be sure to abide ) ..............1 1. Diagram of the Operating Principle ................. 8 2. Operating Principle of the Unit ................. 8 3. Nomenclature......................10 4. Installation Example ..................... 11 5. Main Components ....................12 5.1 Indoor unit ........................12 5.2 Outdoor unit ........................13 6. - Page 4 18.2 Electric Wiring .......................35 19. Commissioning...................... 39 19.1 Check before startup .....................39 19.2 Test run .........................40 20. Daily Operation and Maintenance ............... 41 20.1 Recovery ........................42 20.2 Decommissioning ......................42 20.3 Safety consideration .....................43 20.4 Notice before Seasonal Use ..................44 20.5 Replacement of the Magnesium Rod ................44...
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Page 5: Safety Notices (Please Be Sure To Abide )
Air-to-water Heat Pump All in One Versati SPLIT TYPE Safety Notices (Please be sure to abide ) WARNING: If not abide strictly, it may cause severe damage to the unit or the people. NOTE: If not abide strictly, it may cause slight or medium damage to the unit or the people. - Page 6 Air-to-water Heat Pump All in One Versati SPLIT TYPE WARNING Once abnormality Don't operate the unit with Before likeburning smell occurs, wet hand. installation,please see please cut off the power if the voltage of local supply immediately and place accords with then contact with service that on nameplate center.
- Page 7 Air-to-water Heat Pump All in One Versati SPLIT TYPE Before cleaning please cut The power supply must User can not change off the power supply. adopt special circuit with power cord socket leakage switch and enough without prior consent. capacity. Wiring working must be done by professionals.
- Page 8 Air-to-water Heat Pump All in One Versati SPLIT TYPE Don't step on the top of the Never block the air inlet and Keep pressurized unit or place anything on it. outlet of unit. spray, gas holder and so on away from the unit above 1m .
- Page 9 Air-to-water Heat Pump All in One Versati SPLIT TYPE WARNING Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. Should repair be necessary, contact your nearest authorized service centre. Any repairs carried out by unqualified personnel may be dangerous.
- Page 10 Air-to-water Heat Pump All in One Versati SPLIT TYPE To realize the function of the air conditioner unit, a special refrigerant circulates in the system. The used refrigerant is the fluoride R32, which is specially cleaned.The refrigerant is flammable and inodorous. Furthermore, it can leads to explosion under certain conditions.
- Page 11 Air-to-water Heat Pump All in One Versati SPLIT TYPE maximum and minimum water operating temperatures. Maximum Minimum water operating Item water operating temperatures temperatures Cooling 7°C 25°C Heating 20°C 60°C Water heating 40°C 80°C maximum and minimum water operating pressures. Minimum water operating Maximum water Item...
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Page 12: Diagram Of The Operating Principle
Air-to-water Heat Pump All in One Versati SPLIT TYPE 1. Diagram of the Operating Principle 2. 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) &RROLQJ (2) +HDWLQJ ... - Page 13 Air-to-water Heat Pump All in One Versati SPLIT TYPE Heating: in heating mode, the refrigerant evaporates in the outdoor unit and is condensed in the indoor unit. Via the heat exchange with water in the indoor unit, the water absorbs heat and its temperature increases while the UHIULJHUDQW UHOHDVHV KHDW DQG LV FRQGHQVHG :LWK WKH KHOS RI ZLUHG FRQWUROOHU WKH RXWÀRZ WHPSHUDWXUH FDQ PHHW WKH user’s requirement.
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Page 14: Nomenclature
3. Nomenclature Description Options GREE G-GREE Air to water heat pump Heating Mode 6 6WDWLF & &LUFXODWLQJ... -
Page 15: Installation Example
Air-to-water Heat Pump All in One Versati SPLIT TYPE 4. Installation Example &$6( &RQQHFWLQJ 8QGHUÀRRU &RLO DQG )&8 IRU +HDWLQJ DQG &RROLQJ Outdoor Indoor Under-floor coil FCU2 FCU2 Remote room thermostat Bypass valve -way valve Shut off valve (field supplied) (field supplied) (field supplied) High-temp line... -
Page 16: Main Components
Air-to-water Heat Pump All in One Versati SPLIT TYPE 5. Main Components 5.1 Indoor unit (1) GRS-CQ4.0PdG/NhH-E(I),GRS-CQ6.0PdG/NhH-E(I),GRS-CQ8.0PdG/NhH-E(I), GRS-CQ10PdG/NhH-E(I) External Expansion Tank Air Vent 3-Way Valve Safety Valve Water Pump Plate Heat Exchanger Internal(top view) Note: the cover of the air vent must be opened during installation. -
Page 17: Outdoor Unit
Air-to-water Heat Pump All in One Versati SPLIT TYPE 5.2 Outdoor unit (1) GRS-CQ4.0Pd/NhH-E(O),GRS-CQ6.0Pd/NhH-E(O) External Control Box DC Fan Motor Compressor Internal (2) GRS-CQ8.0Pd/NhH-E(O), GRS-CQ10Pd/NhH-E(O) External Control Box DC Fan Motor Compressor Internal... -
Page 18: Installation Guideline Of Outdoor Unit
Air-to-water Heat Pump All in One Versati SPLIT TYPE 6. Installation Guideline of Outdoor Unit 6.1 Instruction to installation (1) Installation of the unit must be in accordance with national and local safety codes. (2) Installation quality will directly affect the normal use of the air conditioner unit. The user is prohibited from installation. - Page 19 Air-to-water Heat Pump All in One Versati SPLIT TYPE (2) GRS-CQ8.0Pd/NhH-E(O), GRS-CQ10Pd/NhH-E(O) Description: Unit: inch Name Remarks Liquid-side service valve GRS-CQ4.0Pd/NhH-E, GRS-CQ6.0Pd/NhH-E GRS-CQ8.0Pd/NhH-E, GRS-CQ10Pd/NhH-E Gas-side service valve Handle Used to cover or uncover the front case. Air discharge grill 6.2.3 Space requirements for installation Wall Wall ＞200...
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Page 20: Installation Of Indoor Unit
Air-to-water Heat Pump All in One Versati SPLIT TYPE (5) Outdoor unit must be 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:When release and refix the screw of the clasper,should use your hand to support the panal.And then,after connected power cable,please ensure using the elastic trip of accessory to tighten with the pipe. -
Page 21: Outline Dimension Of Indoor Unit
Air-to-water Heat Pump All in One Versati SPLIT TYPE NOTE Note ‡ 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. ‡... -
Page 22: Water Volume And Pump Capacity (With Pump)
Air-to-water Heat Pump All in One Versati SPLIT TYPE Tap water Space heating return water Hot gas pipe Space heating Liquid pipe supply water 7.5 Water volume and pump capacity (with pump) All-in-one Versati Note See the curve above for the maximum external static pressure. The water pump is of variable frequency. And during operation, the water pump will adjust its output based on the actual load. -
Page 23: Water Volume And Expansion Vessel Pressure
Air-to-water Heat Pump All in One Versati SPLIT TYPE 7.6 Water volume and expansion vessel pressure Notes (a) 7KH H[SDQVLRQ YHVVHO LV OLWHU DQG EDU SUHSUHVVXUL]HG (b) 7RWDO ZDWHU YROXPH RI OLWHU LV GHIDXOW LI WRWDO ZDWHU LV FKDQJHG EHFDXVH RI LQVWDOODWLRQ FRQGLWLRQ WKH SUH pressure should be adjusted to secure proper operation. -
Page 24: Selection Of Expansion Vessel
Air-to-water Heat Pump All in One Versati SPLIT TYPE Example 2: The indoor unit is installed on the highest spot of the water system and the total water volume is 350L. As the volume of water system is higher than 280L, it is necessary to adjust the pressure of the expansion vessel be lower. -
Page 25: Connection Of Pipelines
Air-to-water Heat Pump All in One Versati SPLIT TYPE 8. Connection of Pipelines 8.1 Connection of outlet pipe for indoor & outdoor unit (1) $OLJQ WKH H[SDQVLRQ HQG RI FRSSHU SLSH ZLWK WKH FHQWHU RI WKUHDGHG MRLQW 7LJKWHQ WKH ÀDULQJ QXWV ZLWK \RXU hands. - Page 26 Air-to-water Heat Pump All in One Versati SPLIT TYPE Pipe size Length A Elevation B Additional 'LDPHWHU Model refrigerant Liquid Standard Max. Standard Max. GRS-CQ4.0PdG/NhH-E 1/2" 1/4" 16g/m GRS-CQ6.0PdG/NhH-E 1/2" 1/4" 16g/m GRS-CQ8.0PdG/NhH-E 1/2" 1/4" 16g/m GRS-CQ10PdG/NhH-E 1/2" 1/4" 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...
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Page 27: Remote Air Temperature Sensor
Air-to-water Heat Pump All in One Versati SPLIT TYPE 9. Remote Air Temperature Sensor Front side Back side Remote Air Temperature Sensor 1.5 Meters Doors Remote Air Environmen t Temp sensor Electric box Notes (a) Distance between the indoor unit and the remote air temperature sensor should be less than 15m due to OHQJWK RI WKH FRQQHFWLRQ FDEOH RI UHPRWH DLU WHPSHUDWXUH VHQVRU (b) +HLJKW IURP ÀRRU LV DSSUR[LPDWHO\ P (c) 5HPRWH DLU WHPSHUDWXUH VHQVRU FDQQRW EH ORFDWHG ZKHUH WKH DUHD PD\ EH KLGGHQ ZKHQ GRRU LV RSHQ ... -
Page 28: Thermostat
Air-to-water Heat Pump All in One Versati SPLIT TYPE 10. Thermostat Installation of the thermostat is very similar to that of the remote air temperature sensor. 10 11 12 Thermostat How to Wire Thermostat (1) 8QFRYHU WKH IURQW FRYHU RI LQGRRU XQLW DQG RSHQ WKH FRQWURO ER[ (2) ,GHQWLI\ WKH SRZHU VSHFL¿FDWLRQ RI WKH WKHUPRVWDW LI LW LV 9 ¿QG WHUPLQDO EORFN ;7 DV 12 a (3) ,I LW LV WKH KHDWLQJFRROLQJ WKHUPRVWDW SOHDVH FRQQHFW ZLUH DV SHU WKH ¿JXUH DERYH NOTE... -
Page 29: Way Valve
Air-to-water Heat Pump All in One Versati SPLIT TYPE WARNING ‡ Normal Open type should be connected to wire (OFF) and wire (N) for valve closing in cooling mode. ‡ Normal Closed type should be connected to wire (ON) and wire (N) for valve closing in cooling mode. (ON) : Line signal (for Normal Open type) from PCB to 2-way valve (OFF) : Line signal (for Normal Closed type) from PCB to 2-way valve (N) : Neutral signal from PCB to 2-way valve... -
Page 30: Gate-Controller
Air-to-water Heat Pump All in One Versati SPLIT TYPE Note: Logic 2 of other thermal is NOT availbale for this situation.It is recommended not to use other thremal for hot water production. Step 2. Electric wiring work Other thermal L and N connect to XT2~3,4. T-optional sensor T-optional... -
Page 31: Refrigerant Collecting
Air-to-water Heat Pump All in One Versati SPLIT TYPE (2) Check the liquid valve and the gas valve of the outdoor unit. The valves shall be completely shut off. (3) Connect a vacuum pump to the liquid valve and the gas valve of the outdoor unit to remove air from the LQVLGH RI WKH LQGRRU XQLW DQG WKH FRQQHFWLQJ SLSH 5HIHU WR WKH IROORZLQJ ¿JXUH Pressure meter Pressure meter... -
Page 32: Handling Of The Unit
Air-to-water Heat Pump All in One Versati SPLIT TYPE (6) Fully close the ball valve on the gas pipe side of the outdoor unit when the pressure gauge on the gauge manifold shows 0.05 to 0 MPa [Gauge] (approx. 0.5 to 0 kgf/cm²) and quickly stop the air conditioner. When “Refri. -
Page 33: Wring Diagram
Air-to-water Heat Pump All in One Versati SPLIT TYPE 18. Wring Diagram 18.1 Control Board (1) GRS-CQ4.0PdG/NhH-E GRS-CQ6.0PdG/NhH-E Silk Screen Introduction AC-L Live wire of power supply Neutral wire of power supply To the ground E-heater of water tank E-heater 1 E-heater 2 Other thermal by 220VAC Reserved... - Page 34 Air-to-water Heat Pump All in One Versati SPLIT TYPE Silk Screen Introduction CN15 20K temperature sensor (outlet water) CN15 20K temperature sensor (refrigerant liquid line) CN16 20K temperature sensor (refrigerant vapor line) CN16 10K temperature sensor (leaving water for the optional electric heater) CN16 Rreserved Water tank temperature sensor...
- Page 35 Air-to-water Heat Pump All in One Versati SPLIT TYPE AC-L HEAT-B 2WAY HEAT-C LPS-H T-SENSOR2 OFAN LPS-C 4WAY T-SENSOR1 Silk Screen Introduction AC-L Live wire input of power supply Neutral wire input of power supply To the ground HEAT-B Bottom band heater HEAT-C Compressor band heater 2WAY...
- Page 36 Air-to-water Heat Pump All in One Versati SPLIT TYPE (2) GRS-CQ8.0PdG/NhH-E, GRS-CQ10PdG/NhH-E Silk Screen Introduction AC-L Live wire of power supply Neutral wire of power supply To the ground E-heater of water tank E-heater 1 E-heater 2 Other thermal by 220VAC Reserved Reserved Reserved...
- Page 37 Air-to-water Heat Pump All in One Versati SPLIT TYPE Silk Screen Introduction CN15 20K temperature sensor (refrigerant liquid line) CN16 20K temperature sensor (refrigerant vapor line) CN16 10K temperature sensor (leaving water for the optional electric heater) CN16 Rreserved Water tank temperature sensor Remote room temperature sensor Rreserved Rreserved...
- Page 38 Air-to-water Heat Pump All in One Versati SPLIT TYPE Silk Screen Introduction HEAT E-heater of cranke DC-MOTORO Reserved DC-MOTORO1 Fan motor EXV 1 EXV 2 T_SENSOR2 HQYLURQPHQW GLVFKDUJH VXFWLRQ T_SENSOR1 HFRQRPL]HU LQOHW HFRQRPL]HU RXWOHW GHIURVW H_PRESS High pressure sensor High pressure switch Low pressure switch for heating...
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Page 39: Electric Wiring
Air-to-water Heat Pump All in One Versati SPLIT TYPE 18.2 Electric Wiring 18.2.1 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 requirements. (2) 2QO\ HOHFWULFLDQV KROGLQJ TXDOL¿FDWLRQ DUH DOORZHG WR SHUIRUP ZLUH FRQQHFWLRQ RQ WKH VLWH (3) Before connection work is started, the power supply must be shut off. - Page 40 Air-to-water Heat Pump All in One Versati SPLIT TYPE 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 41 Air-to-water Heat Pump All in One Versati SPLIT TYPE (2) Wiring diagram: outdoor unit GRS-CQ4.0Pd/NhH-E(O), GRS-CQ6.0Pd/NhH-E(O) GRS-CQ8.0Pd/NhH-E(O), GRS-CQ10Pd/NhH-E(O)
- Page 42 Air-to-water Heat Pump All in One Versati SPLIT TYPE 18.2.3 Terminal Board GRS-CQ4.0PdG/NhH-E(I), GRS-CQ6.0PdG/NhH-E(I), GRS-CQ8.0PdG/NhH-E(I), GRS-CQ10PdG/NhH-E(I)
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Page 43: Commissioning
Air-to-water Heat Pump All in One Versati SPLIT TYPE 19. Commissioning 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: 7KH IROORZLQJ LWHPV VKDOO EH SHUIRUPHG E\ TXDOL¿HG UHSDLU SHUVRQV &RQ¿UP WRJHWKHU ZLWK WKH VDOHV HQJLQHHU GHDOHU LQVWDOOLQJ FRQWUDFWRU DQG FXVWRPHUV IRU WKH IROORZLQJ LWHPV ¿QLVKHG RU WR EH ¿QLVKHG &RQ¿UPDWLRQ RI ,QVWDOODWLRQ... -
Page 44: Test Run
Air-to-water Heat Pump All in One Versati SPLIT TYPE 19.2 Test run 7HVW UXQ LV WHVWLQJ ZKHWKHU WKH XQLW FDQ UXQ QRUPDOO\ YLD SUHRSHUDWLRQ ,I WKH XQLW FDQQRW UXQ QRUPDOO\ ¿QG DQG solve problems until the test run is satisfactory. All inspections must meet the requirements before performing the test run. -
Page 45: Daily Operation And Maintenance
VXIIHU IURVWELWH DQG HYHQ RWKHU VHYHUH LQÀXHQFHV XQGHU ORZ WHPSHUDWXUH 7KHUHIRUH RQFH WKH ZDWHU WDQN KDV EHHQ installed, the water tank must be set to ‘’With”, otherwise GREE will not be responsible for this abnormal operation. Never frequently make the unit on/off and close the manual valve of the water system during operation of the unit by users. -
Page 46: Recovery
Air-to-water Heat Pump All in One Versati SPLIT TYPE Malfunctions Reasons Troubleshooting (QKDQFH KHDW LQVXODWLRQ HI¿FLHQF\ RI WKH Poor heat insulation of water system. system. Poor heat exchange of evaporator. 3RRU HI¿FLHQF\ RI KRW ZDWHU Check if air in or out of unit is normal and Poor refrigerant of unit. -
Page 47: Safety Consideration
Air-to-water Heat Pump All in One Versati SPLIT TYPE M :KHQ WKH F\OLQGHUV KDYH EHHQ ¿OOHG FRUUHFWO\ DQG WKH SURFHVV FRPSOHWHG PDNH VXUH WKDW WKH F\OLQGHUV DQG WKH equipment are removed from site promptly and all isolation valves on the equipment are closed off. k) Recovered refrigerant shall not be charged into another refrigeration system unless it has been cleaned and checked. -
Page 48: Notice Before Seasonal Use
Air-to-water Heat Pump All in One Versati SPLIT TYPE 20.4 Notice before Seasonal Use &KHFN ZKHWKHU DLU LQOHWV DQG DLU RXWOHWV RI LQGRRU DQG RXWGRRU XQLWV DUH EORFNHG &KHFN ZKHWKHU JURXQG FRQQHFWLRQ LV UHOLDEOH RU QRW (3) If unit starts up after not operating for a long time, it should be power on 8 hours before operation starts so DV WR SUHKHDW WKH RXWGRRU FRPSUHVVRU (4) Precautions for Freeze Protection in Winter 8QGHU VXE]HUR FOLPDWLF FRQGLWLRQV LQ ZLQWHU DQWLIUHH]H ÀXLG PXVW EH DGGHG LQWR WKH ZDWHU F\FOH DQG H[WHUQDO... - Page 49 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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