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Related Manuals for Gree Versati III GRS-CQ8.0Pd/NhH-M
Summary of Contents for Gree Versati III GRS-CQ8.0Pd/NhH-M
- Page 1 SPLIT TYPE Change for life Owner's Manual Original Instructions Air Conditioners Air-to-water Heat 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...
- 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 ....................14 5.1 Indoor unit ........................14 5.2 Outdoor unit ........................15 6. - Page 4 18.2 Outline dimension and parameter of water tank ............32 18.3 Connection of waterway system ...................33 18.4 Electric wiring work ......................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.
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Page 5: Safety Notices (Please Be Sure To Abide )
Air-to-water Heat Pump Split 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 Split 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 Split 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 Split 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 Split 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 Split 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 Split 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 pressures...
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Page 12: Diagram Of The Operating Principle
Air-to-water Heat Pump Split Versati SPLIT TYPE 1. Diagram of the Operating Principle Indoor Unit Outdoor Unit Field Supply Ambien temp sensor Defrost temp sensor Fin-tube Other thermal heat exchanger EXV1 EXV2 T-economizer in High pressure 4-wayv alve sensor Safety High pressure vavle switch... - Page 13 Air-to-water Heat Pump Split Versati SPLIT TYPE Water heating: in water 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 increase while the refrigerant releases heat and is condensed.
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Page 14: Nomenclature
Air-to-water Heat Pump Split Versati SPLIT TYPE 3. Nomenclature Description Options GREE G-GREE Air to water heat pump Heating Mode S= Static; C=Circulating Function Q=Multi-function; Omit=Single-function Nominal Heating Capacity 8.0=8.0kW;10=10kW; Compressor Style Pd=DC Inverter; Omit=On/Off Refrigerant Nh=R32 Design Serial Number B,C,D,E.. -
Page 15: Installation Example
Air-to-water Heat Pump Split Versati SPLIT TYPE 4. Installation Example CASE 1: Connecting Under-floor Coil for Heating 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 Air-to-water Heat Pump Split Versati SPLIT TYPE CASE 2: Connecting Sanitary Water Tank and Under-floor Coil Notes (a) The 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 Air-to-water Heat Pump Split Versati SPLIT TYPE CASE 3 : Connecting Sanitary Water Tank, Under-floor Coil and FCU Notes (a) The two-way valve is very important to prevent dew condensation on the floor and FCU 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.
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Page 18: Main Components
Air-to-water Heat Pump Split Versati 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: Outdoor Unit
Air-to-water Heat Pump Split Versati SPLIT TYPE 5.2 Outdoor unit (1) GRS-CQ8.0Pd/NhH-M(O), GRS-CQ10Pd/NhH-M(O) External Control Box DC Fan Motor Compressor 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: Installation Guideline Of Outdoor Unit
Air-to-water Heat Pump Split 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 21 Air-to-water Heat Pump Split Versati SPLIT TYPE 6.2.2 Outline dimension of outdoor unit (1) GRS-CQ8.0Pd/NhH-M(O), GRS-CQ10Pd/NhH-M(O) (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) Description: Unit: inch Name Remarks GRS-CQ8.0Pd/NhH-M, GRS-CQ10Pd/NhH-M, GRS-CQ12Pd/NhH-M, Liquid-side Service Valve GRS-CQ14Pd/NhH-M, GRS-CQ16Pd/NhH-M, GRS-CQ12Pd/NhH-E, GRS-CQ14Pd/NhH-E, GRS-CQ16Pd/NhH-E Gas-side Service Valve GRS-CQ8.0Pd/NhH-M, GRS-CQ10Pd/NhH-M, GRS-CQ12Pd/NhH-M, GRS-CQ14Pd/NhH-M, GRS-CQ16Pd/NhH-M,...
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Page 22: Installation Of Indoor Unit
Air-to-water Heat Pump Split Versati SPLIT TYPE 6.2.3 Space requirements for installation Wall Wall ＞200 ＞300 ＞250 ＞350 ＞200 ＞1000 ＞1000 Wall Wall 6.2.4 Precautions on installation 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. -
Page 23: Space Requirements For Installation
Air-to-water Heat Pump Split Versati SPLIT TYPE 7.2 Space 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. Mounting bracket Anchor bolt X3 Wall... -
Page 24: Outline Dimension Of Indoor Unit
Air-to-water Heat Pump Split Versati SPLIT TYPE Step3: Attaching indoor unit to the wall. Wall Insulation pad Note NOTE • While lifting the indoor unit, at least two persons should be joined. Weight of the indoor unit is more than 50kg. •... -
Page 25: Water Volume And Pump Capacity (With Pump)
Air-to-water Heat Pump Split Versati SPLIT TYPE (3) Keep the indoor unit as close as possible to outdoor unit. Level distance between connection pipes cannot exceed 25m (8.0~10kW) and vertical distance cannot exceed 15m (4~10kW). 7.6 Water volume and pump capacity (with pump) Versati III Split Type Water Flow Note... -
Page 26: Selection Of Expansion Vessel
Air-to-water Heat Pump Split Versati SPLIT TYPE 7.8 Selection of expansion vessel Formula: V--- Volume of expansion vessel C--- 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.) 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... -
Page 27: Installation Of Protective Layer On Connection Pipe
Air-to-water Heat Pump Split Versati SPLIT TYPE 8.2 Installation of protective layer on connection pipe (1) 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. (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. -
Page 28: Grs-Cq8.0Pd/Nhh-M
Air-to-water Heat Pump Split Versati SPLIT TYPE Indoor unit Outdoor unit Indoor unit Outdoor unit Outdoor unit Indoor unit Oil bend Pipe size Length B Elevation A Additional (Diameter:Φ) Model refrigerant Liquid Standard Max. Standard Max. GRS-CQ8.0Pd/NhH-M 1/2" 1/4" 0g/m GRS-CQ10Pd/NhH-M 1/2"... -
Page 29: Remote Air Temperature Sensor
Air-to-water Heat Pump Split 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 length of the connection cable of remote air temperature sensor;... -
Page 30: Thermostat
Air-to-water Heat Pump Split Versati SPLIT TYPE 10. Thermostat Installation of the thermostat is very similar to that of the remote air temperature sensor. 12 13 14 15 Thermostat How to Wire Thermostat (1) Uncover the front cover of indoor unit and open the control box; (2) Identify the power specification of the thermostat, if it is 220V, find terminal block XT3 as NO.12~15;... -
Page 31: Way Valve
Air-to-water Heat Pump Split 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 32: Other Auxiliary Heat Sources
Air-to-water Heat Pump Split Versati SPLIT TYPE 13. Other Auxiliary Heat Sources Other thermal is allowed for the equipment and controlled in such a way that the mainboard will output 230V when outdoor temperature is lower than the set point for startup of the aother thermaluxiliary heat source. Note: Other thermal and Optional Electric Heater CANNOT be installed at the same time. -
Page 33: Gate-Controller
Air-to-water Heat Pump Split Versati SPLIT TYPE 14. Gate-controller If there is gate control function, installation guide follow as: 220VAC 15. Charging and Discharging of Refrigerant (1) Before shipped out from manufacturer, the outdoor unit has been filled with refrigerant. Additional refrigerant may be filled when carrying out site connection of pipelines. -
Page 34: Refrigerant Collecting
Air-to-water Heat Pump Split Versati SPLIT TYPE 16. Refrigerant Collecting When relocating or disposing of the indoor/outdoor unit, pump down the system following the procedure below so that no refrigerant is released into the atmosphere. (1) Turn off the power supply (circuit breaker). (2) Connect the low-pressure valve on the gauge manifold to the charge plug (lowpressure side) on the outdoor unit. -
Page 35: Installation Of Insulated Water Tank
Air-to-water Heat Pump Split Versati SPLIT TYPE During recycling refrigerant, make sure the liquid valve and gas valve are closed completely, and the power supply is cut off before disassembling the connection pipe. If connection pipe is disassembled when the compressor is still operating, air may get into the system. In this case, system pressure will increase and compressor will be damaged. -
Page 36: Outline Dimension And Parameter Of Water Tank
Air-to-water Heat Pump Split Versati SPLIT TYPE Safety check valve Tap water Note (a) For safe use of water, water outlet/inlet of water tank must connect with a certain length of PPR pipe ,L ≥70×R2(cm, R is inside radius of the pipe). Moreover, heat preservation should be conducted and metal pipe cannot be used. -
Page 37: Connection Of Waterway System
Air-to-water Heat Pump Split Versati SPLIT TYPE Model SXTVD300LC/B-M Outline (Diameter×H) (mm) Φ620×1585 Package (W×D×H)(mm) 740×940×1705 Net weight Gross weight Joints Dimension Description Joint pipe thread Hot water outlet of water tank 3/4″Female BSP Circulating water inlet/outlet of water tank 3/4″Female BSP Cooling water inlet of water tank 3/4″Female BSP... -
Page 38: Electric Wiring Work
Air-to-water Heat Pump Split Versati SPLIT TYPE Description Joint pipe thread Circulating water inlet/outlet of main unit 1″Male BSP Cooling water inlet of water tank 3/4″Female BSP Circulating water inlet/outlet of water tank 3/4″Female BSP Hot water outlet of water tank 3/4″Female BSP Code Name... - Page 39 Air-to-water Heat Pump Split Versati SPLIT TYPE (8) Power cables to be connected into the electric cabinet must be protected with rubber or plastic to prevent scratch by edge of metal plate. (9) Power cables close to the electric cabinet of the unit must be fixed reliably to make the power terminal in the cabinet free from an external force.
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Page 40: Wring Diagram
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 X24 X23 X22 X21 X20 X34 X33 X32 X31 X30 X29 X28 X27 CN20 AC-L CN21 CN22 CN23 CN24 CN26... - Page 41 Air-to-water Heat Pump Split Versati SPLIT TYPE Silk Screen Introduction CN31 Back-up water pump signal(PWM)-field supply CN18 20K temperature sensor (inlet water) CN19 20K temperature sensor (outlet water) CN15 20K temperature sensor (refrigerant liquid line) CN15 20K temperature sensor (outlet water) CN15 20K temperature sensor (refrigerant liquid line) CN16...
- Page 42 Air-to-water Heat Pump Split Versati SPLIT TYPE Silk Screen Introduction Fuse 4-way valve VA-1 E-heater of chassis HEAT E-heater of cranke DC-MOTORO Reserved DC-MOTORO1 Fan motor EXV 1 EXV 2 T_SENSOR2 1,2: environment; 3,4:discharge; 5,6: suction T_SENSOR1 1,2: economizer inlet; 3,4: economizer outlet; 5,6:defrost H_PRESS High pressure sensor High pressure switch...
- Page 43 Air-to-water Heat Pump Split Versati SPLIT TYPE Input port of the switching power COMM UART communication interface DC-BUS Discharge terminals (3) GRS-CQ12Pd/NhH-E, GRS-CQ14Pd/NhH-E, GRS-CQ16Pd/NhH-E COMM DC-BUS1 L2-1 L1-2 COMP L2-2 L1-1 AC-L DC-BUS Silk Screen Introduction AC-L L-OUT Live line input of the filter board N-OUT Neutral line input of the filter board L1-1 To PFC inductor brown line...
- Page 44 Air-to-water Heat Pump Split Versati SPLIT TYPE (4) GRS-CQ12Pd/NhH-M, GRS-CQ14Pd/NhH-M, GRS-CQ16Pd/NhH-M COM M COM M 1 R- 2 T- 2 R- 1 T- 1 S- 2 S- 1 Silk Screen Specification Connector to the compressor phase-W Connector to the compressor phase-U Connector to the compressor phase-V Connector to reactor (input) Connector to reactor (input)
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Page 45: Electric Wiring
Air-to-water Heat Pump Split Versati SPLIT TYPE 19.2 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-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: Grs-Cq12Pd/Nhh-E
Air-to-water Heat Pump Split Versati 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 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 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 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)
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Page 50: Grs-Cq12Pd/Nhh-E(I) Grs-Cq14Pd/Nhh-E(I) Grs-Cq16Pd/Nhh-E(I)
Air-to-water Heat Pump Split Versati SPLIT TYPE (2) GRS-CQ12Pd/NhH-E(I) , GRS-CQ14Pd/NhH-E(I), GRS-CQ16Pd/NhH-E(I) -
Page 51: Commissioning
Air-to-water Heat Pump Split Versati SPLIT TYPE 20. Commissioning 20.1 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 for the following items finished or to be finished. -
Page 52: Test Run
Air-to-water Heat Pump Split Versati SPLIT TYPE 20.2 Test run Test run is testing whether the unit can run normally via preoperation. If the unit cannot run normally, find and solve problems until the test run is satisfactory. All inspections must meet the requirements before performing the test run. -
Page 53: Daily Operation And Maintenance
Therefore, once the water tank has been 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 54: Recovery
Air-to-water Heat Pump Split Versati SPLIT TYPE Malfunctions Reasons Troubleshooting Enhance heat insulation efficiency of the Poor heat insulation of water system. system. Poor heat exchange of evaporator. Poor efficiency of hot water Check if air in or out of unit is normal and Poor refrigerant of unit. -
Page 55: Safety Consideration
Air-to-water Heat Pump Split Versati SPLIT TYPE j) When the cylinders have been filled correctly and the process completed, make sure that the cylinders and the 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 56 Air-to-water Heat Pump Split Versati SPLIT TYPE the atmosphere. The pressure-relief device is to be operated regularly to remove lime deposits and to verify that it is not blocked A discharge pipe connected to the pressure-relief device is to be installed in a continuously downward direction and in a frost-free environment.
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Page 57: Notice Before Seasonal Use
Air-to-water Heat Pump Split Versati SPLIT TYPE ② ③ ① ④ ①Tee joint ⑤ ②Safety valve ③Pressure maintaining valve ④Filter ⑤Cut-off valve Drainage Installation Mode 3 of the Tap Water Safety Valve (Inlet Water Pressure>0.5MPa) A pressure maintaining valve is required in the installation mode 3 to make sure the water tank pressure keep within 0.3~0.5MPa. - Page 58 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 global@cn.gree.com www.gree.com...