Table of Contents
Related Manuals for Gree Versati GRS-CQ4.0Pd/NhH-E
Summary of Contents for Gree Versati GRS-CQ4.0Pd/NhH-E
- Page 1 SPLIT TYPE Change for life Owner's Manual Original Instructions Air Conditioners Air-to-water Heat Pump Split Versati Models: GRS-CQ4.0Pd/NhH-E GRS-CQ6.0Pd/NhH-E GRS-CQ8.0Pd/NhH-E GRS-CQ8.0Pd/NhH5-E GRS-CQ10Pd/NhH-E GRS-CQ10Pd/NhH5-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...
-
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 ........................16 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 ......................35 19. Wring Diagram ....................... 37 19.1 Control board ........................37 19.2 Electric wiring ........................43 20. Commissioning...................... 46 20.1 Check before startup .....................46 20.2 Test run .........................47 21.
-
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...
-
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 AmbientT emp. Sensor Defrost temp. sensor Fin-tube Othert hermal heat exchanger EXV1 EXV2 T-economizer in 4-wayv alve Highp ressure sensor Safety Highp ressure 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.
-
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 4.0=4.0kW; 6.0=6.0kW; 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 Under-floor coil Indoor Outdoor Shut-off valve By-pass valve (field supplied) 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;... - Page 16 Air-to-water Heat Pump Split Versati SPLIT TYPE CASE 2: Connecting Sanitary Water Tank and Under-floor Coil Under-floor coil Indoor Outdoor Sanitary water tank By-pass valve (field supplied) Shut-off valve 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;...
- Page 17 Air-to-water Heat Pump Split Versati SPLIT TYPE CASE 3 : Connecting Sanitary Water Tank, Under-floor Coil and FCU Indoor Under-floor coil Outdoor FCU1 FCU2 Sanitary water tank By-pass valve (field supplied) 2-way valve (field supplied) Shut-off valve 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;...
-
Page 18: Main Components
Air-to-water Heat Pump Split Versati SPLIT TYPE 5. Main Components 5.1 Indoor unit (1) GRS-CQ4.0Pd/NhH-E(I),GRS-CQ6.0Pd/NhH-E(I) External Internal... - Page 19 Air-to-water Heat Pump Split Versati SPLIT TYPE (2) GRS-CQ8.0Pd/NhH-E(I), GRS-CQ8.0Pd/NhH5-E(I), GRS-CQ10Pd/NhH-E(I),GRS-CQ10Pd/NhH5-E(I) External Internal...
-
Page 20: Outdoor Unit
Air-to-water Heat Pump Split 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 21: 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 22 Air-to-water Heat Pump Split 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-CQ8.0Pd/NhH5-E GRS-CQ10Pd/NhH-E,GRS-CQ10Pd/NhH5-E Gas-side Service Valve Handle Used to cover or uncover the front casew Air discharge Grill 6.2.3 Space requirements for installation Wall Wall ＞200...
-
Page 23: Installation Of Indoor Unit
Air-to-water Heat Pump Split Versati SPLIT TYPE 7. Installation of Indoor Unit 7.1 Selection of the installation location for the indoor unit (1) Avoid direct sunshine. (2) Ensure the hanger rod, ceiling and building structure have sufficient strength to support the weight of air conditioner unit. -
Page 24: Installation Process Of Indoor Unit
Air-to-water Heat Pump Split Versati SPLIT TYPE 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 Wall Step3: Attaching indoor unit to the wall. Wall Insulation pad Note NOTE... -
Page 25: Outline Dimension Of Indoor Unit
Air-to-water Heat Pump Split Versati SPLIT TYPE 7.4 Outline dimension of indoor unit Description: Unit: inch Name Remarks Leaving Water Pipe 1″Male BSP Returning Water Pipe 1″Male BSP GRS-CQ4.0Pd/NhH-E(I),GRS-CQ6.0Pd/NhH-E(I) Gas-side Pipe GRS-CQ8.0Pd/NhH-E(I),GRS-CQ8.0Pd/NhH5-E(I) Liquid-side Pipe GRS-CQ10Pd/NhH-E(I),GRS-CQ10Pd/NhH5-E(I) 7.5 Precautions on installation of indoor unit (1) Indoor unit shall be vertically mounted on the wall of the room with expansion bolt. -
Page 26: Water Volume And Expansion Vessel Pressure
Air-to-water Heat Pump Split Versati SPLIT TYPE 7.7 Water volume and expansion vessel pressure Maximum total water volume(liter) 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 installation condition, the pre- pressure should be adjusted to secure proper operation. -
Page 27: Connection Of Pipeline
Air-to-water Heat Pump Split Versati SPLIT TYPE Water expansion factor in different temperature Temperature(°C) Expansion factor e 0.0198 0.0227 0.0258 0.029 0.0324 0.0359 0.0396 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. - Page 28 Air-to-water Heat Pump Split Versati SPLIT TYPE No clearance 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-CQ4.0Pd/NhH-E 1/2" 1/4"...
-
Page 29: Remote Air Temperature Sensor
Air-to-water Heat Pump Split Versati SPLIT TYPE Notes (a) No additional charge of the refrigerant is need when the pipe length is less than 10m, if the pipe length is longer than 10m, additional charge of the refrigerant is needed according to the table. (b) Example: If 10kW model is installed at a distance of 25m, (25-10)x16=240g refrigerant should be added. -
Page 30: Thermostat
Air-to-water Heat Pump Split Versati SPLIT TYPE (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 remote air temperature sensor is installed, it should be set to “With” through the wired controller so as to set the remote air temperature to the control point. -
Page 31: Way Valve
Air-to-water Heat Pump Split Versati SPLIT TYPE N(1) N(1) N(1) 2-Way 2-Way 2-Way valve 1 valve 1 valve 1 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 Air-to-water Heat Pump Split Versati SPLIT TYPE Step 1. Other thermal installation Other thermal Indoor Unit Safety 3-Way Optional vavle Valve 2 2-Way T-water out T-optional 3-way T-liquid pipe E-heater water sensor valve Valve 1 Heating T-wateri n Flow Expansion Water Mixing T-gas pipe...
-
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: 13 14 220~50Hz Gate-controller 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 SXTVD300LCJ2/A-K B(mm) C(mm) E(mm) F(mm) G(mm) I(mm) J(mm) K(mm) Outline (Diameter×H) Φ620×1725 (mm) Package 738×870×1843 (W×D×H) (mm) 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... - Page 38 Air-to-water Heat Pump Split Versati SPLIT TYPE Indoor Unit Water Tank Hot water output Other Thermal System Temp Sensor 1 Temp Sensor 2 Power cord of booster heater Safety check valve Filter cooling Tap water water inlet Blow-off Outlet Description Joint pipe thread Circulating water inlet/outlet of main unit 1″Male BSP...
-
Page 39: Electric Wiring Work
Air-to-water Heat Pump Split Versati SPLIT TYPE insulated cotton. If necessary, install heating device for pipeline to prevent the pipeline from freezing. (e) Hot water supplied from insulated water tank depends on pressure of water tap, so there must be supply of tap water. - Page 40 Air-to-water Heat Pump Split Versati SPLIT TYPE (f) The specifications of the breaker and power cable listed in the table above are determined based on the maximum power (maximum amps) of the unit. (g) The specifications of the power cable listed in the table above are applied to the conduit-guarded multi-wire copper cable (like, YJV XLPE insulated power cable) used at 40°C and resistible to 90°C (see IEC 60364-5-52).
-
Page 41: Wring Diagram
Air-to-water Heat Pump Split Versati SPLIT TYPE 19. Wring Diagram 19.1 Control board (1) GRS-CQ4.0Pd/NhH-E GRS-CQ6.0Pd/NhH-E CN20 AC_L CN21 CN22 CN23 CN24 CN25 CN10 CN16 CN15 CN19 CN18 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... - Page 42 Air-to-water Heat Pump Split Versati SPLIT TYPE 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 Rreserved CN20 Thermostat CN21 Detection to welding protection for the optional electric heater 1 CN22...
- Page 43 Air-to-water Heat Pump Split Versati SPLIT TYPE 2WAY Reserved 4WAY 4-way valve coil OFAN DC motor LPS-C Low pressure switch for cooling LPS-H Low pressure switch for Heating High pressure switch High pressure sensor Electronic expansion valve coil 1 Electronic expansion valve coil 2 T_SENSOR1 1,2: Discharged;...
- Page 44 Air-to-water Heat Pump Split Versati SPLIT TYPE Reserved Reserved Reserved Reserved 3-way valve signal CN30 Build-in water pump signal(PWM) 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...
- Page 45 Air-to-water Heat Pump Split Versati SPLIT TYPE AC-L AC-N HEAT VA-1 H_PRES S COM- ES PE1 COM- ES PE2 PWR1 DC-M OTORO1 DC-M OTORO T-SE NSOR3 T-SE NSOR2 T-SE NSOR1 Silk Screen Introduction AC-L Live wire of power supply Neutral wire of power supply PWR1 Reserved Fuse...
- Page 46 Air-to-water Heat Pump Split Versati SPLIT TYPE N-OUT COMM L-OUT AC-L Silk Screen Introduction AC-L Live line input Neutral line input L-OUT Live line output N-OUT Neutral line output COMM Communication To compressor phase U To compressor phase V To compressor phase W...
-
Page 47: 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-CQ4.0Pd/NhH-E(I), GRS-CQ6.0Pd/NhH-E(I), GRS-CQ8.0Pd/NhH-E(I), GRS-CQ8.0Pd/NhH5-E(I),GRS- CQ10Pd/NhH-E(I), GRS-CQ10Pd/NhH5-E(I) - Page 48 Air-to-water Heat Pump Split 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 49 Air-to-water Heat Pump Split Versati SPLIT TYPE (3) Water tank Thermostat Electric Power heater WP95A-R YEGN Electric heating 3YEGN Electrical Note: the dotted line box requires on-site wiring. 19.2.3 Terminal board GRS-CQ4.0Pd/NhH-E(I),GRS-CQ6.0Pd/NhH-E(I),GRS-CQ8.0Pd/NhH-E(I),GRS-CQ8.0Pd/NhH5-E(I),GRS- CQ10Pd/NhH-E(I), GRS-CQ10Pd/NhH5-E(I) Terminal board XT2 N(1) 2-Way-valve1 Other thermal Terminal board XT1 Teminal board XT3 10 11...
-
Page 50: 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 51: 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 52: 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 53: 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 54: 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 55 Air-to-water Heat Pump Split Versati SPLIT TYPE Pressure relief of the water tank The water may drip from the discharge pipe of the pressure-relief device and that this pipe must be left open to 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.
-
Page 56: Notice Before Seasonal Use
Air-to-water Heat Pump Split Versati SPLIT TYPE ① ② ③ ① Safety valve ② Regulator ③ Filter 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 57 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...