Gree GMV-ND22T/B-T Owner's Manual
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Gree GMV-ND22T/B-T Owner's Manual

Multi variable air conditioners compact cassette type indoor unit
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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.
Multi Variable Air Conditioners
Compact Cassette Type Indoor Unit
Owner's Manual
Air Conditioners
Models:
GMV-ND22T/B-T
GMV-ND28T/B-T
GMV-ND36T/B-T
GMV-ND45T/B-T
GMV-ND50T/B-T
GMV-ND56T/B-T

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Summary of Contents for Gree GMV-ND22T/B-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: User Notice

    Preface For correct installation and operation, please read all instructions carefully. Before reading the instructions, please be aware of the following items: (1) For the safe operation of this unit, please read and follow the instructions carefully. (2) During operation, total capacity of indoor units should not exceed the total capacity of outdoor units.

  • Page 3: Table Of Contents

    Contents 1 Safety Precautions ........................ 1 2 Product Introduction ......................3 2.1 Names of Key Components ..................3 2.2 Rated Working Condition ..................... 3 2.3 Unit Functions ......................3 3 Preparations for Installation ....................4 3.1 Standard Fittings......................4 3.2 Installation Position Selection ..................4 3.3 Requirements of communication wire selection ............

  • Page 4: Safety Precautions

    Multi Variable Air Conditioners Cassette Type Indoor Unit 1 Safety Precautions means items that must be forbidden! Otherwise, it may lead to personal injury or death or serious damage. means items that must be followed! Otherwise, it may lead to personal injury or property loss.
  • Page 5 Do not repair the air please turn off the unit at conditioner by yourself. once and disconnect power Improper repair will cause supply. Then contact GREE electric shock or fire service center. If the air hazard. Please contact conditioner continues to...

  • Page 6: Product Introduction

    Any personal injury or property loss caused by improper installation, improper debug, unnecessary repair or not following the instructions of this manual should not be the responsibility of Gree Electric Appliances, Inc. of Zhuhai. 2 Product Introduction 2.1 Names of Key Components Fig 2.1...

  • Page 7: Preparations For Installation

    Multi Variable Air Conditioners Cassette Type Indoor Unit Filter Cleaning Reminding Function I Feel Light Function Swing Note! ① √: included, X: not included. ② Please refer to the user manual of Wired Controller or Remote Controller for function details. 3 Preparations for Installation Note: this picture is for reference only, please refer to the actual product;...

  • Page 8: Requirements Of Communication Wire Selection

    Multi Variable Air Conditioners Cassette Type Indoor Unit (3) There should be no obstruction near air inlet and air outlet. (4) Follow the installation distance required in the fig below to ensure sufficient space for maintenance. (5) The installation location should be far from heat sources, flammable or explosive gas, or smog spread in the air..

  • Page 9: Wiring Requirements

    Multi Variable Air Conditioners Cassette Type Indoor Unit Total length of communication wire between Wire diameter Wire type Wire standard Remark indoor unit and wired controller (m) 1.Total length of communication cable can't exceed 250m . Light/Ordinary polyvinyl 2.The cord shall be Circular chloride cord (the cores shall be L≤250...

  • Page 10: Installation Instructions

    Minimum Air Switch Sectional Area of Sectional Area Model Power Supply Capacity (A) Grounding of Power Cord Wire(mm GMV-ND22T/B-T GMV-ND28T/B-T GMV-ND36T/B-T 220~240V-1ph-50Hz 208~230V-1ph-60Hz GMV-ND45T/B-T GMV-ND50T/B-T GMV-ND56T/B-T 4 Installation Instructions 4.1 Indoor unit installation 4.1.1 Indoor unit dimension and suspension bolt position Fig 4.1.1...
  • Page 11 Multi Variable Air Conditioners Cassette Type Indoor Unit 4.1.2 Suspend the indoor unit (1) Drill bolt holes and install bolts 1) Stick the paper pattern on the installation position; drill 4 holes according to the hole site on the cardboard as shown in fig 4.1.2; diameter of drilling hole is according to the diameter of expansion bolt and the depth is 60-70mm, as shown in fig 4.1.3.

  • Page 12: Refrigerant Pipe Connection

    Multi Variable Air Conditioners Cassette Type Indoor Unit Fig 4.1.5 4.2 Refrigerant Pipe Connection (1) Aim the flaring port of copper pipe at the center of screwed joint and then tighten the flaring nut with hand as shown in fig 4.2. (2) Use a torque wrench to tighten up the flaring nut until the wrench gives out a click sound.

  • Page 13: Drainage Pipe Installation And Drainage System Testing

    Multi Variable Air Conditioners Cassette Type Indoor Unit (4) Wrap the connection pipe and joint with sponge and then tie them firmly with tape. 4.3 Drainage Pipe Installation and Drainage System Testing 4.3.1 Notice for Installation of Drainage Pipe (1) The drainage pipe should be short and the gradient downwards should be at least 1%~2% in order to drain condensation water smoothly.
  • Page 14 1%~2%. If the raising pipe is vertical with the unit, the raising height should be less than 800mm., as shown in Fig 4.3.2.6. model A(mm) B(mm) GMV-ND22T/B-T GMV-ND28T/B-T GMV-ND36T/B-T GMV-ND45T/B-T GMV-ND50T/B-T GMV-ND56T/B-T Fig 4.3.6...

  • Page 15: Panel Installation

    Multi Variable Air Conditioners Cassette Type Indoor Unit should be less than 300mm. 4.3.3 Test of Drainage System (1) Please test drainage system after electric work is finished. Inject approximately 1L purified water to drain pan from air vent, ensure that not to splash the water over the electrical components (e.g.
  • Page 16 Multi Variable Air Conditioners Cassette Type Indoor Unit (3) Connect the decoration panel terminals (Female) to body terminals (male) as shown in figure4.4.3. Fig 4.4.3 4.4.2 Panel installation (1) Detach the panel’s Corner Cap, there is a mark “piping side” on one of the 4 corners, adjust the panel direction so as to keep the mark and fittings on the same corner , as shown in fig4.4.4 Fig 4.4.4...

  • Page 17: Installation Of Wired Controller

    Multi Variable Air Conditioners Cassette Type Indoor Unit Fig 4.4.5 4.5 Installation of Wired Controller Wired controller is optional accessory. If wired controller is needed, please contact your local dealer and install the wired controller according to the instruction manual. Note! Do perform the commissioning operation before first use;...

  • Page 18: Connection Of Wire And Patch Board Terminal

    Multi Variable Air Conditioners Cassette Type Indoor Unit  Install circuit breaker for branch circuit according to related regulations and electrical standards.  All wiring must use pressure terminal or single wire. Multi-twisted wire that connects directly to the wiring board may cause fire hazard. ...

  • Page 19: Power Cord Connection

    Multi Variable Air Conditioners Cassette Type Indoor Unit Fig 5.1.1 Fig 5.1.2 5.2 Power Cord Connection Note! ① All indoor units must be unified of power supply so that they can be powered ON/OFF at the same time. ② If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.

  • Page 20: Connection Of Communication Wire For Wired Controller

    Multi Variable Air Conditioners Cassette Type Indoor Unit 5.4 Connection of Communication Wire for Wired Controller (1) Detach the electric box cover. (2) Let the communication wire pass through the wiring through-holes. (3) Connect the communication wire to terminal H1 and H2 of indoor 4-bit wiring board. (4) Fix the communication wire with clamp.
  • Page 21 Multi Variable Air Conditioners Cassette Type Indoor Unit Fig 5.5 Note: ① The type of indoor units must be the same if they are controlled by the same wired controller. ② When the indoor unit is controlled by two wired controllers, the addresses of the two wired controllers should be different through address setting.

  • Page 22: Routine Maintenance

    Multi Variable Air Conditioners Cassette Type Indoor Unit 6 Routine Maintenance Warning: ① Do turn off the unit and cut off the main power supply when cleaning the air conditioner to avoid electric shock or injury. ② Stand at solid table when cleaning the unit. ③...

  • Page 23: Troubleshooting

    Multi Variable Air Conditioners Cassette Type Indoor Unit Quantity Of Group Water Temperature Sensor Control Indoor Filter Cleaning Reminder Error Units Setting Error 8 Troubleshooting The air conditioner is not expected to be serviced by users. Incorrect repair may cause electric shock or fire, so please contact an authorized service center for professional service.
  • Page 24 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-nd28t/b-tGmv-nd45t/b-tGmv-nd50t/b-tGmv-nd36t/b-tGmv-nd56t/b-t

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