Gree GMV-140WL/A-T User Manual
Dc inverter multi vrf system
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Thank you for choosing 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 email to global@gree.com.cn or electronic
version.
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product improvement without further notice.
GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.
DC Inverter Multi
VRF System User Manual
User Manual
Owner's Manual
Air Conditioners
Models:
GMV-120WL/A-T
GMV-140WL/A-T
GMV-160WL/A-T
GMV-120WL/A-X
GMV-140WL/A-X
GMV-160WL/A-X
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Table of Contents
Related Manuals for Gree GMV-140WL/A-T
Summary of Contents for Gree GMV-140WL/A-T
- Page 1 GREE reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice. GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.
- Page 2 Preface Gree DC Inverter Multi VRF System, with the most advanced technologies in the world, uses eco-friendly refrigerant R410A as its cooling medium. For correct installation and operation, please read this manual carefully. Before reading the manual, please note that: (1) EN 14511-2011。...
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Page 3: Table Of Contents
Contents 1 Safety Precautions ............................1 2 Product Introduction ............................3 2.1 Names of Main Parts ............................3 2.2 Combinations of Indoor and Outdoor Units ....................3 2.3 Operating Range ............................... 4 3 Preparation before Installation ........................4 3.1 Standard Parts ..............................4 3.2 Installation Site .............................. -
Page 4: Safety Precautions
DC Inverter Multi VRF System User Manual 1 Safety Precautions Forbidden item! Improper operation might lead to personal injury or even death. Item needs to be followed. Improper operation might lead to personal injury or property damage. Installation should Please install unit performed by distributor or... - Page 5 Cleaning and user maintenance shall not be made by children without supervision. Gree Electric Appliances, Inc. of Zhuhai will not assume responsibility for any personal injury or property loss caused by improper installation, improper debugging, unnecessary repair or not following the instructions of this...
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Page 6: Product Introduction
Various product lineups are provided with capacity range from 8kW to 16kW, which can be widely used in residential, commercial and working area and especially applicable to places with big load change. Gree residential air conditioner is absolutely your best choice. 2.1 Names of Main Parts Fig.1... -
Page 7: Operating Range
DC Inverter Multi VRF System User Manual 2.3 Operating Range Cooling Outdoor temperature: -5℃～52℃ Heating Indoor temperature: -20℃～27℃ 3 Preparation before Installation Note: Graphics here are only for reference. Please refer to actual products. Unspecified dimensions are all in mm. 3.1 Standard Parts Please use the supplied standard parts as required. -
Page 8: Piping Work Requirements
DC Inverter Multi VRF System User Manual Make sure the location has space Please keep the unit away from heat exchange inflammable, explosive maintenance so that unit can corrosive gas or waste gas. operate reliably with good ventilation. ODU and IDU should stay as Select a location which is out of close as possible to shorten the children’s reach. -
Page 9: Installation Instruction
Note: Graphics here are only for reference. Please refer to actual products. Unspecified dimensions are all in mm. 4.1 Dimension of Outdoor Unit and Mounting Hole Unit Outline and Installation Dimension（mm） Fig.3 in mm Model GMV-120WL/A-T GMV-140WL/A-T GMV-160WL/A-T 1345 GMV-120WL/A-X GMV-140WL/A-X GMV-160WL/A-X... -
Page 10: Connection Pipe
DC Inverter Multi VRF System User Manual 4.2 Connection Pipe 4.2.1 Schematic Diagram of Piping Connection Fig.4 4.2.2 Allowable Length and Height Difference of Connection Pipe Y type branch joint is adopted to connect indoor and outdoor units. Connecting method is shown in the figure below: Note：Equivalent length of one Y-type branch is 0.5m. - Page 11 DC Inverter Multi VRF System User Manual Fig.5 Allowable Length and Height Difference of Connection Pipe Piping parameters of GMV-120WL/A-T，GMV-140WL/A-T，GMV-160WL/A-T， GMV-120WL/A-X，GMV-140WL/A-X and GMV-160WL/A-X:: Allowable Fitting pipe value Total length (actual length) of fitting pipe 300m L1+L2+L3+a+b++c+d Actual length 120m Length of farthest fitting pipe (m)
- Page 12 DC Inverter Multi VRF System User Manual Fig.6 Dimension of outdoor connection pipe Pipe dimension Basic module Gas pipe (mm) Liquid pipe（mm） φ15.9 φ9.52 GMV-120WL/A-T φ15.9 φ9.52 GMV-140WL/A-T Connection method φ19.05 φ9.52 GMV-160WL/A-T φ15.9 φ9.52 GMV-120WL/A-X φ15.9 φ9.52 GMV-140WL/A-X φ19.05 φ9.52...
- Page 13 DC Inverter Multi VRF System User Manual R410A Refrigerant system Total capacity of downstream indoor units X (kW) Model X＜20 FQ01A 20≤X≤30 FQ01B Y type branch 30＜X≤70 FQ02 70＜X≤135 FQ03 135＜X FQ04 4.2.5 Dimension of Pipe between Indoor Branches Select pipe between indoor branches according to the capacity of downstream indoor units; If the capacity exceeds that of the outdoor unit, capacity of outdoor unit prevails.
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Page 14: Installation Of Connection Pipe
DC Inverter Multi VRF System User Manual 4.2.6 Dimension of Pipe between Indoor Branch and IDU Dimension of pipe between indoor branch and IDU should be consistent with the dimension of indoor pipe. Fig. 9 Rated capacity of IDU C(kW) Gas pipe (mm) Liquid pipe (mm) C≤2.8... - Page 15 DC Inverter Multi VRF System User Manual bent or stretched; otherwise the material will get harder. Do not bend or stretch the pipe for more than 3 times at the same position. 4.3.2 Flaring Process (1) Use pipe cutter to cut the connection pipe in case it is unshaped. (2) Keep the pipe downward in case cutting scraps get into the pipe.
- Page 16 Twist the flared nut on the connection pipe of outdoor valves. Twisting method is the same as for indoor pipe connection. Below is the piping diagram of GMV-120WL/A-T,GMV-140WL/A-T ,GMV-160WL/A-T, GMV-120WL/A-X,GMV-140WL/A-X and GMV-160WL/A-X. According to customer requirement or space limit, outlet pipe can be installed from the front, right or rear side.
- Page 17 DC Inverter Multi VRF System User Manual 4.3.6 Installation of Y-type Branch (1) Y-type Branch Fig.16 (2) Y-type branch has several pipe sections with different dimension, which facilitates to match with various copper pipes. Use pipe cutter to cut in the middle of the pipe section that is of proper dimension and remove burrs as well.
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Page 18: Disassembly Of Compressor Feet
DC Inverter Multi VRF System User Manual Fig.18 4) Thermal insulating material of branches should be the same as that of the pipeline. The attached foam of branches cannot be taken as insulating material. 5) When wrapping the tape, the later circle should cover half of the former one. Don’t wrap the rape too tight, otherwise the insulation effect will be weakened. -
Page 19: Vacuum Pumping, Refrigerant Adding
DC Inverter Multi VRF System User Manual 4.5 Vacuum Pumping, Refrigerant Adding 4.5.1 Vacuum Pumping (1) Outdoor unit has been charged with refrigerant before delivery. Field-installed connection pipe needs to be charged with additional refrigerant. (2) Confirm whether outdoor liquid and gas valves are closed. (3) Use vacuum pump to withdraw the air inside indoor unit and connection pipe from the outdoor valve, as shown below. -
Page 20: Electric Wiring
DC Inverter Multi VRF System User Manual of the pipe, then set the unit in cooling startup and fill refrigerant from the low pressure check valve of the outdoor unit. (3) Calculation example Fig. 21 IDU ① IDU ② IDU ③ IDU ④... - Page 21 1）Connection of power cord and communication wire Separate power supply for IDU and ODU ●Connection method of single-phase motor unit （GMV-120WL/A-T、GMV-140WL/A-T、GMV-160WL/A-T） Fig.22 Connection of power cord and communication wire for IDU and ODU ● Connection method for three-phase motor unit （GMV-120WL/A-X,GMV-140WL/A-X,GMV-160WL/A-X）...
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Page 22: Check Items After Installation And Test Operation
* Min power cord * Min capacity sectional area (mm sectional area (mm （A） 220-240V~ 50Hz GMV-120WL/A-T 1×4.0 2×4.0 208-230V~ 60Hz 220-240V~ 50Hz GMV-140WL/A-T 1×4.0 2×4.0 208-230V~ 60Hz 220-240V~ 50Hz GMV-160WL/A-T 1×6.0 2×6.0 208-230V~ 60Hz 380-415V 3N~ 50Hz GMV-120WL/A-X 1×2.5 4×2.5... - Page 23 DC Inverter Multi VRF System User Manual necessary to perform test operation and debugging. Otherwise, unit won’t be able to work. 2. Test operation and debugging must be performed by professional technicians or under the guidance of professional technicians. 5.2.1 Prepare the test operation and debugging (1) Do not connect power until all installation work is finished.
- Page 24 DC Inverter Multi VRF System User Manual LED3 displays the quantity of indoor unit. Confirm the number manually. If the number is not consistent the display one, cut off power of IDU and ODU and check whether communication 01~80 Blink wire of IDU is correctly connected.
- Page 25 DC Inverter Multi VRF System User Manual Refrigerant is normal and unit will display as in the left for 2s. Then next step starts. Valves of ODU are being inspected. Compressor will start operation for 2min or so and then stop. The opening and closing status of outdoor valves are as below: Outdoor valves are not fully turned on.
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Page 26: Common Malfunctions And Troubleshooting
② Do not repair the air conditioner by yourself. Improper maintenance may lead electric shock or fire hazard. Please contact Gree authorized service center for maintenance. ●Please check the items below before calling for maintenance. - Page 27 Reduce heat resources. Filter is blocked and dirty. Clean the filter ●Note If problem cannot be solved after checking the above items, please contact Gree service center and describe the cases and models. ●Following circumstances are not malfunctions. Malfunction Reason...
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Page 28: Error Indication
DC Inverter Multi VRF System User Manual 7 Error Indication Inquiry method of error indication: combine division symbol and content symbol to check the corresponding error. For example, division symbol L and content symbol 4 together means over-current protection. Content symbol Division symbol... - Page 29 DC Inverter Multi VRF System User Manual system cycle K1 IDU/ODU capacity/output capacity capacity distribution ratio Content symbol Division symbol Alarm due to Power 1-to-more: 1-to-more: bad air No main Mode shock supply is number of IDU IDU series is quality insufficient is inconsistent...
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Page 30: Function Setting Of Outdoor Unit
DC Inverter Multi VRF System User Manual Drop protection of discharge temperature sensor of compressor Malfunction of DC motor High-pressure protection Drive current Drive Low-voltage detection charging Failure AC current protection of Phase-lacking circuit circuit startup of protection of compressor’s of inverter malfunction malfunction... -
Page 31: Odu Quiet Function
DC Inverter Multi VRF System User Manual LED1 to select relevant functions. Function setting includes: outdoor silent mode setting (A7), heating and cooling function setting (A6), compulsory defrosting (n3) After selecting relevant functions, press SW7 to confirm and start setting this function. Main board of outdoor unit will display as below: LED1 LED2... -
Page 32: Cool & Heat Function
DC Inverter Multi VRF System User Manual If then no motion is taken to the master unit for 5min, unit will exit and resume displaying the current status. 8.2 Cool & Heat Function This function can set operation modes and prevent mode collision that is caused by setting different modes for different indoor units. -
Page 33: Forced Defrosting
DC Inverter Multi VRF System User Manual 8.3 Forced Defrosting This function can only be set when outdoor compressor is running. Upon entering this function, main board of outdoor unit will display as below: LED1 LED2 LED3 Function code Display Current progress/mode Display Current status... -
Page 34: Maintenance And Care
Otherwise, it may lead to danger. Use nitrogen or refrigerant to conduct the tests. 10 After-sales Service If there’s quality defect or other problems in the product, please contact Gree local after-sales service department for help. Warranty must be based on the following conditions:... - Page 35 DC Inverter Multi VRF System User Manual (1)Product’s initial startup must be performed by professional technicians from Gree service center or persons assigned by Gree. (2)Only Gree spare parts are used, (3)All instructions of unit operation and maintenance in this manual must be strictly followed according to set period and set frequency.
- Page 36 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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