Gree GMV-36WL/B-T(U) User Manual
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Gree GMV-36WL/B-T(U) User Manual

Ultra heat gmv5
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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 sent email to global@gree.com.cn or electronic version.
 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.
Ultra Heat GMV5
User Manual
Owner's Manual
Air Conditioners
Applicable Models:
GMV-48WL/B-T(U)
GMV-36WL/B-T(U)

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Summary of Contents for Gree GMV-36WL/B-T(U)

  • Page 1 If you have lost the Owner’s Manual, please contact the local agent or visit www.gree.com or sent email to global@gree.com.cn or electronic version.  GREE reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice.
  • Page 3 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) Multi VRF system conforms to design standard: ARI 210240-2008 (2) To ensure safety when operating this system, please strictly follow the instructions in this manual.

  • Page 4: Table Of Contents

    Contents 1 Safety Precautions ............................1 2 Product Introduction ............................2 2.1 Names of Main Parts .......................... 3 2.2 Combinations of Indoor and Outdoor Units ..................3 2.3 Operating Range ..........................3 3 Preparation before Installation ........................3 3.1 Standard Parts ............................ 4 3.2 Installation Site ...........................

  • Page 5: Safety Precautions

    Ultra Heat GMV5 User Manual 1 Safety Precautions This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. This mark indicates procedures which, if improperly performed, might lead to the death or serious injury of the user.

  • Page 6: Product Introduction

    Gree authorized service center and ask professional technicians to repair it. (36) 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 manual.

  • Page 7: Names Of Main Parts

    Ultra Heat GMV5 User Manual 2.1 Names of Main Parts GMV-36WL/B-T(U) GMV-48WL/B-T(U) Fig.1 Electric box Liquid pipe Name Motor Fan blade Gas pipe valve assembly valve 2.2 Combinations of Indoor and Outdoor Units (1) See below the number of indoor units that can be connected to the outdoor unit. (2) The total capacity of indoor units should be within 50%~100% of the outdoor unit.

  • Page 8: Standard Parts

    Ultra Heat GMV5 User Manual 3.1 Standard Parts Please use the supplied standard parts as required. Parts for Outdoor Unit Name Appearance Remark User Manual Must be connected to Wiring (match the last IDU of with resistance) communication connection Corrugated pipe Drainage hole Drainage jiont...

  • Page 9: Piping Work Requirements

    Ultra Heat GMV5 User Manual If possible, do not install the unit where it will be exposed to direct sunlight. (If necessary, install a blind that does not interfere with the air flow.) Install ODU in a place where it will be free from getting dirty or getting wet by rain as much as possible. Install ODU where it is convenient to connect IDU.

  • Page 10: Dimension Of Outdoor Unit And Mounting Hole

    Ultra Heat GMV5 User Manual 4.1 Dimension of Outdoor Unit and Mounting Hole Unit Outline and Installation Dimension: Fig.3 Unit:mm(inch) Model GMV-36WL/B-T(U) 1345 GMV-48WL/B-T(U) (35-3/8) (13-3/8) (53) (22-1/2) (15)

  • Page 11: Connection Pipe

    Ultra Heat GMV5 User Manual 4.2 Connection Pipe 4.2.1 Schematic Diagram of Piping Connection Gas pipe Liquid pipe Outdoor connection pipe Connection pipe between ODU and the first indoor branch Connection pipe between indoor branch and IDUs IDU 1 Connection pipe of indoor branchs Branchs of IDUs Connection pipe between indoor branch and IDUs IDU 2...
  • Page 12 Ultra Heat GMV5 User Manual The 1st branch section Equivalent length to the farthest connection pipe(L≤150m/492ft ） Equivalent length from the 1st branch to the farthest pipe(L<4om/131ft) Each Y-type branch equals to 0.5m(1-5/8ft) and each branch header equals to 1.0m(3-1/4ft) Fig.5 Allowable Length and Height Difference of Connection Pipe Piping parameters of GMV-36WL/B-T(U) 、GMV-48WL/B-T(U): Allowable value...
  • Page 13 Ultra Heat GMV5 User Manual Fig. 6 Dimension of outdoor connection pipe: Pipe dimension Basic module Liquid pipe Gas pipe (mm/inch) (mm/inch) φ15.9 φ9.52 GMV-36WL/B-T(U) (φ5/8) (φ3/8) φ15.9 φ9.52 GMV-48WL/B-T(U) (φ5/8) (φ3/8) 4.2.4 Selection of Indoor Branches Select indoor branches according to the total capacity of downstream indoor units. if the capacity exceeds that of the outdoor unit, capacity of outdoor unit prevails.
  • Page 14 Ultra Heat GMV5 User Manual 460600＜C 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. Fig.8 Total capacity of downstream indoor units Pipe...

  • Page 15: Installation Of Connection Pipe

    Ultra Heat GMV5 User Manual Fig. 9 Rated capacity of IDU Gas pipe Liquid pipe C(Btu/h) (mm/inch) (mm/inch) Φ9.52 Φ6.35 C≤9600 (Φ3/8) (Φ1/4) Φ12.7 Φ6.35 9600<C≤17000 (Φ1/2) (Φ1/4) Φ15.9 Φ9.52 17000<C≤48000 (Φ5/8) (Φ3/8) Φ19.05 Φ9.52 48000<C≤55000 (Φ3/4) (Φ3/8) Φ22.2 Φ9.52 55000<C≤96000 (Φ7/8) (Φ3/8)
  • Page 16 Ultra Heat GMV5 User Manual (3) Remove the flared nut connecting indoor connection pipe and outdoor unit. Then use flaring tool to fix the flared nut into the pipe (as shown in Fig.10). (4) Check if the flared part is flaring evenly and if there is any crack. Fig.
  • Page 17 Ultra Heat GMV5 User Manual Fig. 13 Fig. 14 Pipe Diameter Tightening Torque 6mm(1/4inch) 15-30N· m(11-22ft.-1b.) 9.5mm(3/8 inch) 35-40N· m(26-29ft.-1b.) 12.7mm(1/2 inch) 45-50N· m(33-37ft.-1b.) 16mm(5/8 inch) 60-65N· m(44-48ft.-1b.) 4.3.4 Outdoor Pipe Connection Twist the flared nut on the connection pipe of outdoor valves. Twisting method is the same as for indoor pipe connection.
  • Page 18 Ultra Heat GMV5 User Manual to other branches or IDUs Outlet 1 Y-type branch Inlet Field supplied Outlet 2 Field supplied 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.

  • Page 19: Disassembly Of Compressor Feet

    Ultra Heat GMV5 User Manual Thermal insulating layer is required to be wrapped at this part. Thermal insulating pipe No gap Fig. 18 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 20: Leak Test, Vacuum Pumping, Refrigerant Adding

    Ultra Heat GMV5 User Manual compressor will shake abnormally and unit’s operating life will be shortened. 4.5 Leak Test, Vacuum Pumping, Refrigerant Adding 4.5.1 Leak Test (1) Please make sure that the stop valves of the outdoor unit are closed during the operation. (2) The leak test should be made by pressurizing nitrogen gas.
  • Page 21 Ultra Heat GMV5 User Manual When the pressure of the system is less than -0.1Mpa (-1bar), keep the system for more than one hour under the condition. Fig. 21 Name Outdoor unit Gas side stop valve Liquid side stop valve Pressure-vacuum gauge Name Hi-knob Lo-knob...
  • Page 22 Ultra Heat GMV5 User Manual Fig. 22 Name Outdoor unit Gas side stop valve Liquid side stop valve Pressure-vacuum gauge Name Hi-knob Lo-knob R410A tank Scale Procedures for adding refrigerant When the liquid and gas stop valves have not been opened, the system is under the vacuum: ①...
  • Page 23 Ultra Heat GMV5 User Manual Diameter of Φ22.2 Φ19.05 Φ15.9 Φ12.7 Φ9.52 Φ6.35 liquid pipe (Φ7/8) (Φ3/4) (Φ5/8) (Φ1/2) (Φ3/8) (Φ1/4) (mm/inch) kg/m 0.35 0.25 0.17 0.11 0.054 0.022 oz/inch 0.314 0.224 0.152 0.099 0.048 0.020 NOTICE! Liquid pipe that is within 20m(65-5/8feet) doesn’t need to be added with refrigerant.

  • Page 24: Electric Wiring

    Ultra Heat GMV5 User Manual φ6.35: D+b+c+d=5+3+2+1=11m(36feet) NOTICE! Liquid pipe that is within 20m(65-5/8 feet) doesn’t need to be added with refrigerant. Therefore, the minimum quantity of additional refrigerant = (23-20)×0.054+11×0.022＝ 0.404kg(14oz) 4.6 Electric Wiring All electrical installation must be performed by qualified technicians in accordance with local laws, regulations and this user manual.

  • Page 25: Wiring Diagram

    Ultra Heat GMV5 User Manual Fig. 24 Fig. 25 Fig. 26 (3). How to fix connection cord and power cord by cord clamp After passing the connection cord and power cord through the insulation tube, fasten it with the cord clamp.(Fig. 26) Before starting work, check that power is not being supplied to the indoor unit and outdoor unit.
  • Page 26 Ultra Heat GMV5 User Manual Fig.27 a Connection of power cord and communication wire for IDU and one ODU Fig.27 b Connection of power cord and communication wire for IDU and ODUs multi NOTICE! : ODU n(Max)=16. The wire (match with resistance) must be connected with the last ODU.
  • Page 27 Ultra Heat GMV5 User Manual Fig.28 Wiring of the Power Cord (1) Open the side plate. (2) Connect the power cord to the terminals “L1”, “L2” and also the earthing screw, and then connect the communication line “D1,D2” of the indoor unit to those of the outdoor unit correspondingly.

  • Page 28: Check Items After Installation And Test Operation

    Ultra Heat GMV5 User Manual breaker is 40℃(104℉). If working condition changes, please adjust the specification according to national standard. 5 Check Items after Installation and Test Operation 5.1 Check Items after Installation Check Items Conditions Might Happen Check Has the unit been fixed firmly? The unit may drop, shake or emit noise.

  • Page 29: Trial Run

    Ultra Heat GMV5 User Manual 5.2 Trial Run 5.2.1 Check before Trial Running, Must Preheat Compressor Fig.29 5.2.2 Trial Run 5.2.2.1 Notices (1) Before the trial running, make sure the unit is power on and compressor has been preheated...

  • Page 30: Common Malfunctions And Troubleshooting

    (2) Do not repair the air conditioning personally but instead contact the professionally skilled personnel at the Gree appointed service center, as the incorrect repair would cause electric shock or fire hazard etc. 6.1 Check before Contacting Service Center...

  • Page 31: Normal Phenomenon

    Clean the filter screen. Note: If problem cannot be solved after the above check, please contact Gree appointed service center and also give a description of the error occurred as well as the model of the unit. 6.2 Normal Phenomenon...

  • Page 32: Error Display

    Ultra Heat GMV5 User Manual The unit “swishes” when it is started or It is the sound when the refrigerant gas stopped. stops running. The unit “swishes” when it is in and It is the sound when the draining after the running. system is operating.
  • Page 33 Ultra Heat GMV5 User Manual EEPROM read-write error High pressure sensor error Middle pressure sensor error Low pressure sensor error Discharge temperature sensor error High pressure switch AC over current IPM over current protection IPM module overheat Desynchronizing protection Busbar over voltage protection Phase current detection fault Busbar under voltage protection Capacitor charge error...

  • Page 34: Maintenance And Care

    (5) If unit starts up after not operating for a long time, it should be power on 8 hours before operation starts so as to preheat the outdoor compressor; (6) Check whether outdoor unit is securely installed. If there is any problem, please contact Gree authorized service center.

  • Page 35: Maintenance After Seasonal Use

    Otherwise, it may lead to danger. Use nitrogen or refrigerant to conduct the tests. 8 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: (1)Product’s initial startup must be performed by professional technicians from Gree service center...
  • 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...

This manual is also suitable for:

Gmv-48wl/b-t(u)Gmv-hy36wlt/a-t(u)Gmv-hy48wlt/a-t(u)

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