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D.C. Inverter VRF Water Heater
Installation and Operating Instructions
The Instructions is applicable to the following outdoor units and the supplied
VRF indoor units, as well as the hydro-box and water tank:
GMV-Pds100W/Na-K
GMV-Pds120W/Na-K
GMV-Pds140W/Na-K
GMV-Pds160W/Na-K
The outdoor units described above are supplied with H-Series R410A VRF
indoor unit, hydro-box and water tank.
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Related Manuals for Gree GMV-Pds100W/Na-K
Summary of Contents for Gree GMV-Pds100W/Na-K
- Page 1 D.C. Inverter VRF Water Heater Installation and Operating Instructions The Instructions is applicable to the following outdoor units and the supplied VRF indoor units, as well as the hydro-box and water tank: GMV-Pds100W/Na-K GMV-Pds120W/Na-K GMV-Pds140W/Na-K GMV-Pds160W/Na-K The outdoor units described above are supplied with H-Series R410A VRF...
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Page 2: Table Of Contents
Please read these Instructions thoroughly before installation and operation. Thank you for purchasing Gree air conditioner. Before operating your air conditioner, please read the Installation and Operation Instructions thoroughly, and keep it properly for correct use of this machine. Instructions... -
Page 3: Instructions
Instructions During use, the total capacity of the indoor units running simultaneously shall not be higher than the capacity of outdoor unit. Otherwise, it may result in inadequate cooling (heating) volume from each indoor unit. One air switch (or fuse) shall be installed for each indoor unit according to the capacity of the air-conditioner unit, and one mains air switch shall be installed for all indoor units. -
Page 4: Safety Considerations
Safety Considerations Before use, please read the Instructions thoroughly and operate the machine correctly according to the guideline herein. We require your special attention to the meaning of these two symbols: WARNING!: A symbol indicating that improper operation might cause human death or severe injury. CAUTION!: A symbol indicating that improper operation might cause human injury or damage. -
Page 5: Selection Of Installing Position And Precautions
CAUTIONS! Installing at the following places might result in trouble of the air conditioner. If unavoidable, please contact Gree's franchise repair center. The place full of oil; Salt area beside the sea; The place with sulfurated gas (e.g. sulfurated hot spring);... - Page 6 Recommended Wire Model Power Supply Air Switch Capacity (Number x Section) GMV-Pds100W/Na-K 220V~ 50Hz 3×6.0 GMV-Pds120W/Na-K 220V~ 50Hz 3×6.0 GMV-Pds140W/Na-K 220V~ 50Hz 3×10.0...
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Page 7: Inst All
☆ The installation shall be done by specialist technicians. ● Installation of Outdoor Unit 1. Overall Dimension of Outdoor Unit Overall Dimensional Schematics for GMV-Pds100W/Na-K, GMV-Pds120W/Na-K, GMV-Pds140W/Na-K and GMV-Pds160W/Na-K Fig. 1 2. When moving the outdoor unit, two ropes with enough length must be used to lift in four directions. To prevent the machine from drifting out of the center, the included angle of the ropes must be smaller than when the machine is being lifted and moved. - Page 8 Installation of Outdoor Unit Space Dimensions Required for Installation of GMV-Pds100W/Na-K, GMV-Pds120W/Na-K, GMV-Pds140W/Na-K and GMV-Pds160W/Na-K Fig. 2 ●Skecth map of installation Skecth map of installation A(only water tank) Fig. 3 Installation of Outdoor Unit...
- Page 9 Skecth map of installation B(with floor heater and water tank) Fig. 4 Skecth map of installation C(with solar and water tank) Fig. 5 Installation of Outdoor Unit...
- Page 10 Skecth map of installation D(with solar,floor heater and water tank) Fig. 6 Skecth map of installation E(only with floor heater) Ducted Fig. 7 Several kind of installation modes have been introduced the whole system is made up of the following main parts: outdoor unit, Hydro-box,water tank.,indoor units Furthermore,system has an interface for the floor heater and the solar .
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Page 11: On Connection Between Outdoor Unit And Hydro-Box
Connection between Outdoor Unit and Hydro-box ● Electrical Connection Note: As needed, the Hydro-box shall be installed with an air switch (or fuse) for protection against short circuit and abnormal overload. Usually, this air switch is closed. A circuit breaker to cut off the power supply of the entire system must be installed. Communication CN20 wire... -
Page 12: Ui Connection Between Indoor And Outdoor Units
Connection between Indoor and Outdoor Units ● Electrical Connection Note: One air switch (or fuse)shall be installed for each indoor unit according to the capacity of the air- conditioner unit, and one mains air switch shall be installed for all indoor units. The air switch for each indoor unit is used for protection against short circuiting and abnormal overloading, and it is usually closed. - Page 13 ☆ The sum of the capacity codes of indoor units and the Max number of indoor units may be selected according to the following form. Sum of Max. Indoor Max. number of Sum of Min. Indoor Unit Capacity Unit Capacity indoor units GMV-Pds100W/Na-K GMV-Pds120W/Na-K GMV-Pds140W/Na-K GMV-Pds160W/Na-K ☆ Selection of Y-type manifold pipe Y-type manifold pipe Fig. 10...
- Page 14 Model Recommended Water Tank Model GMV-Pds160W/Na-K SXD250LC-K,SXD300LC-K, RQD8GA-K SXD350LC-K,SXD400LC-K GMV-Pds140W/Na-K GMV-Pds120W/Na-K RQD5GA-K SXD250LC-K,SXD300LC-K GMV-Pds100W/Na-K According to skecth map of installation B (with floor heater and water tank) Outdoor unit model Hydro-box Model Recommended Water Tank Model GMV-Pds160W/Na-K SXVD200LCJ/A-K,SXVD300LCJ/A-K, RQD8GA-K SXVD350LCJ/A-K,SXVD400LCJ/A-K...
- Page 15 Allowable Value Pipe 100, 120, 140, 160 Total Length (Actual Length) of Pipes 150m + 2L +a+b+c+d Length of Actual Length farthest pipe Equivalent Length Length of pipe from the 1 Branching to the farthest indoor unit Height difference Outdoor unit on ——...
- Page 16 ● Size of Connection Pipe 1. The size of the pipe (main pipe) from the outdoor unit to the 1 Branching is same as the size of outdoor pipe. Size of Outdoor Pipe Model GMV-Pds100W/Na-K GMV-Pds100W/Na-K GMV-Pds140W/Na-K GMV-Pds160W/Na-K Item φ9.52 φ9.52...
- Page 18 Connection between Indoor and Outdoor Units Connection of indoor and outdoor outlet pipes See Table 5 for the torque required for tightening the nuts. Align the flared end of copper pipe with the center of threaded connector and use your hands to securely tighten the flared nuts. ☆...
- Page 19 Connection between Indoor and Outdoor Units ● Connection of Branching pipe 1. Y-type Branching Pipe To other manifold pipe or indoor unit Inlet 1 Site pipe Inlet Site pipe Outlet 2 Y-type Manifold Pipe Outdoor Unit Fig. 13 ☆ The Y-type Branching pipe is installed with additional tube. The purpose is to adjust the different pipe diameters.
- Page 20 Connection between Indoor and Outdoor Units When it is needed to cut the Branching pipe, please cut from the middle of given connection pipe and remove the burrs. Cut from the middle Fig. 16 CAUTION: ● Each pipe for VRF air conditioner system shall be attached with a label to identify the system to which the pipe belongs, and thus avoid wrong connection.
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Page 21: Notes On Dial Switch
each cable tightly. Close the electric box. Magnetic rings shall be installed to the two ends of communication wires. -
Page 22: Refrigerant Charging And Test Run
Connection between Indoor and Outdoor Units Connect the indoor and outdoor communication wires according to Fig. 20. Fig. 18 Connection Schematics for Indoor and Outdoor Communication Wires Remarks: 1. The communication wire to be installed to the last indoor unit is distribution wire (resistor compatible). - Page 23 Notes on Dial Switch ● Setting the address code and capacity code of the indoor unit Assign the address of indoor units according to the planning of air conditioner system. The address of indoor unit shall not be repeated in the same system. On the main board of indoor unit, 8-bit DIP switch (S1) is used to assign the address and capacity of this indoor unit.
- Page 24 (Do not charge from gas pipe side). ● Calculation of Added Refrigerant Volume 1. Refrigerant volume in the system upon shipment of outdoor unit Model GMV-Pds100W/Na-K GMV-Pds120W/Na-K GMV-Pds140W/Na-K GMV-Pds160W/Na-K Refrigerant charge volume...
- Page 25 Refrigerant Charging and Test Run Note: ☆ The mass of refrigerant in the system when delivered from manufacturer does not include the mass of additional refrigerant needed by the liquid pipe connecting the outdoor unit ,indoor unit and Hydro-box. ☆ As the length of the connecting pipe is decided on site, the amount of additional refrigerant shall be decided depending on the size and the length of the liquid pipe used on site.
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Page 26: Working Principle Of Air Conditioner Unit
Refrigerant Charging and Test Run Liquid Pipe: Diameter φ9.52 φ9.52 φ9.52 φ6.35 Φ12.7 Length Diameter φ9.52 φ6.35 φ6.35 φ6.35 Length Total length of liquid pipes Φ12.7 E=5=5m φ9.52 A+B+C+a=20+10+5+10=45m φ6.35:D+b+c+d=5+10+10+10=35m Note: It is not needed to add refrigerant if the total length of liquid pipe is within 50m. Therefore, the total length of 9.52 liquid pipe L (total length of 12.7 liquid pipe *2)+(total length of 9.52 liquid pipe *1)+(total length of 6.35 liquid pipe *0.4) (5m*2)+(45m*1)+(35m*0.4) 69m and the minimum refrigerant volume to be added... - Page 27 Refrigerant Charging and Test Run ● Inspections after Installation Possible problem in case of improper Inspection Items to be inspected installation records If each component of the machine is The machine might fall down, vibrate or installed securely? generate noise Possible insufficiency of refrigerating If it is checked for air leakage volume (heating volume)
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Page 28: Components And Their Names
Working Principle of Air Conditioner Unit ● Working Principle of HOME-GMV outdoor unit system Electronic magnetic valve "A" Variable frequency motor Filter Filter Heat exchanger One-way valve ERG cooler One-way valve 4-way Valve "A" Capillary HV sensor Solenoid By-pass air capillary valve "B"... -
Page 29: Maintenance
When working under heating mode, the 4-way valve AB will be activated, so that the refrigerant will circulate in reverse to the cooling process. The refrigerant gives out heats in indoor heat exchanger (Under specific conditions, the electric heating elements will start to work and give out heats). In the outdoor heat exchanger, the refrigerant will absorb heat to perform heat pump heating cycle, so as to achieve the purpose of heating. -
Page 30: Troubleshooting
Components and their Names ● System Schematics Water Outdoor Unit Tank Hydro-Box Cassette Indoor Unit Air-duct indoor unit Wall-mounted Air-duct indoor unit (Round air indoor unit (Rectangular air discharge port) discharge port) Fig. 24 The HOME-GMV system consists of outdoor unit ,Hydro-box and Max. 7 sets of indoor units. The indoor unit may be ceiling mounted, wall mounted, air duct type, or low-pressure ultra-thin air duct type. - Page 31 Check if the batteries of the remote controller have been changed. Check if the air filter is properly installed. Check if the outdoor unit is firmly installed. Please contact Gree’s franchise repair center in case of any abnormality. To ensure smooth startup of the air-conditioner unit after a long period of stop, the mains switch shall be preset to “ON”...
- Page 32 Too many heat sources in the room Reduce the heat sources The filter is dirty Clean the filter ● Note If still unable to find out the causes, please contact Gree’s franchise repair center and tell them the symptom and the model of your air conditioner.
- Page 33 Troubleshooting ● The following are not faults “Fault” Cause The overload protection switch makes When the air conditioner is started the air conditioner run after 3-minute immediately after stop The air conditioner does not run Run under standby for approx. 1 When the power supply is switched on minute The air conditioner...
- Page 34 When the system is failed during operation: ▲ The error lamp on outdoor main board will display. Fig. 25 Outdoor Unit GMV-Pds100W/Na-K, GMV-Pds120W/Na-K, GMV-Pds140W/Na-K and GMV-Pds160W/Na-K Note: The detailed position of the elements shall be based on the physical machine.
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Page 35: Performance Data Sheet
No display Recharging circuit fault ● After-sale Services ☆ If your air conditioner has quality or other problems, please contact Gree’s after-sale Service Department. For details, please see the Service Telephones of Gree Electric Appliance Inc. in Each Province (City). - Page 36 Working Conditions and Range ●Rated Working Conditions of the whole Unit Rated Indoor Side Status Outdoor Side Status Water Tank Temp. working Dry bulb Wet bulb Dry bulb Wet bulb Start Temp. End Temp. condition temp. temp. temp. temp. Rated Cooling Rated Heating Rated Cooling and water...
- Page 37 Performance Data Sheet ● Performance Data of Outdoor Unit Item Model GMV-Pds100W/Na-K GMV-Pds120W/Na-K GMV-Pds140W/Na-K GMV-Pds160W/Na-K Cooling Capacity 10.0 12.0 14.0 16.0 Heating Capacity 11.0 13.2 15.4 17.6 Heat exchanger capacity for hot water Supply Water Temp. 50 (default), adjustable between 35 -58...
- Page 38 GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI Add : Jinji West Road, Qianshan, Zhuhai, Guangdong Tel:(0756) 8617555 (Customer Service Center) Postcode: 519070 © GREE 66174124 V1.0...
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