Gree GMV-NX140P/A(X1.2)-K Owner's Manual
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Gree GMV-NX140P/A(X1.2)-K Owner's Manual

Gree GMV-NX140P/A(X1.2)-K Owner's Manual

Vrf fresh air series 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.
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.
VRF Fresh Air Series Indoor Unit
Owner's Manual
Air Conditioners
Models:
GMV-NX140P/A(X1.2)-K
GMV-NX224P/A(X2.0)-M
GMV-NX280P/A(X2.5)-M
GMV-NX280P/A(X3.0)-M
GMV-NX450P/A(X4.0)-M

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Summary of Contents for Gree GMV-NX140P/A(X1.2)-K

  • Page 1 Thank you for choosing Air Conditioners, please read this owner’s manual carefully before operation and retain it for future reference. GREE reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice.
  • Page 2 Preface For correct installation and operation, please read all instructions carefully. Before reading the instructions, please be aware of the following items: (1) Execution standard: GB/T 25128-2010. (2) For the safe operation of this unit, please read and follow the instructions carefully. (3) 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 Unit Introduction .......................... 3 2.2 Rated Working Condition ......................4 2.3 Working Temperature Range ...................... 4 2.4 Unit Functions ..........................4 3 Preparations for Installation ....................5 3.1 Standard Fittings ......................... 5 3.2 Location for Installation .......................

  • Page 4: Safety Precautions

    Multi Variable Air Conditioners Duct 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 Fault service may cause the main power supply, and electric shock or fire accidents. then immerdiately contact Gree Please contact Gree appointed appointed service center.If service center for help. abnormality keeps going, the unit might be damaged and lead to electric shock or fire.

  • 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 Unit Introduction VRF fresh air series indoor unit is a kind of air processing unit that inhales the fresh air from outdoor side and then processes it to provide for the user in the room.

  • Page 7: Rated Working Condition

    Multi Variable Air Conditioners Duct Type Indoor Unit Connection diagram of GMV-NX280P/A(X3.0)-M and GMV-NX450P/A(X4.0)-M 2.2 Rated Working Condition Indoor Side Condition Outdoor Side Condition Dry Bulb Temp°C Wet Bulb Temp°C Dry Bulb Temp°C Wet Bulb Temp°C Rated Cooling Rated Heating Note: The unit design applies executive standard GB/T 25128-2010.

  • Page 8: Preparations For Installation

    Multi Variable Air Conditioners Duct Type Indoor Unit 3 Preparations for Installation Notes: Product graphics are only for reference. Please refer to actual products. Unspecified measure unit is mm. 3.1 Standard Fittings Please use the supplied standard fittings listed below as instructed. Name Graphics Quantity...

  • Page 9: Location For Installation

    Multi Variable Air Conditioners Duct Type Indoor Unit 3.2 Location for Installation (1) The top holder must be strong enough to support unit's weight. (2) Drain pipe can drain water out easily. (3) There is no obstacle at inlet or outlet. Please ensure good air circulation. (4) In order to make sure the space for maintenance, please install the indoor unit according to the dimension described below.

  • Page 10: Wiring Requirements

    Air Switch Minimum Sectional Minimum Model Power Supply apacity Area of Ground Sectional Area of Wire(mm Power Cord(mm GMV-NX140P/A(X1.2)-K 220-240V ~50Hz GMV-NX224P/A(X2.0)-M 380-415V 3N ~50Hz GMV-NX280P/A(X2.5)-M 380-415V 3N ~50Hz GMV-NX280P/A(X3.0)-M 380-415V 3N ~50Hz GMV-NX450P/A(X4.0)-M 380-415V 3N ~50Hz Notes: ① The size of circuit breaker and power cord in above sheet is selected based on the max power (max current) of unit.

  • Page 11: Installation Instructions

    4.1.1 Outline Dimension and Installation Spots Equip with a service port after hanging the unit. For the convenience of maintenance, the service port should be on one side of the electric box and below unit’s lower level. GMV-NX140P/A(X1.2)-K 1382 1278 1155 Fig 4.1.1...
  • Page 12 Multi Variable Air Conditioners Duct Type Indoor Unit 4.1.2 Punching of Bolt Spots and Bolt Installation (1) Cut out the installation paper pattern according to the hook installation dimension of unit. Place the installation paper pattern on the installation area as shown in Fig 4.1.4. Punch holes on the installation area according to the 4 spots on the paper pattern;...

  • Page 13: Pipe Connection

    Multi Variable Air Conditioners Duct Type Indoor Unit strengthened to make it level and to prevent it from vibration. You may consult user or constructor for details. ③ If the ceiling is not strong enough, you can install a beam bracket in a corner and secure the unit on the beam.
  • Page 14 Multi Variable Air Conditioners Duct Type Indoor Unit adhesives to connect drain hole and drain hose. (5) When the drain pipe is used for several equipments, the shared pipe should be about 100mm lower than the drain hole of each equipment. In this case, use thicker pipe. drainage pipe of indoor unit additional drainage pipe...
  • Page 15 Multi Variable Air Conditioners Duct Type Indoor Unit Fig 4.3.6 (9) The horizontal pipe can be connected to vertical pipe in the same level; please select the connection way as shown in following fig. NO1: Connection of drainage pipe joints (Fig 4.3.7) NO2: Connection of downspout elbow (Fig 4.3.8) NO3: Inserting pipe connection (Fig 4.3.9) Connection of...

  • Page 16: Installation Of Air Duct

    Multi Variable Air Conditioners Duct Type Indoor Unit 4.3.3 Test of Drainage System ● Models without water pump (1) Fill some water to the water tray of indoor unit as following: 1) Connect the drain hose to the other drain connection pipe of water tray and fill about 1L water (as shown in 4.3.12).
  • Page 17 Canvas Duct Supply Air Duct Return Air Blinds Diffuser Hanger Rod Diffuser Connector Supply Air Outlet 4.4.2 Shape and Size of Air-outlet and Air-return Opening (1) The following figure is applicable for the model GMV-NX140P/A(X1.2)-K ◆ Size of air-outlet opening...
  • Page 18 Multi Variable Air Conditioners Duct Type Indoor Unit 1155 Fig 4.4.3 ◆ Size of air-return opening 1278 Fig 4.4.4 (2) The following figure is applicable for the models: GMV-NX224P/A(X2.0)-M; GMV-NX280P/ A(X2.5)-M; GMV-NX280P/A(X3.0)-M ◆ Size of air-outlet opening 1194 Fig 4.4.5 ◆...
  • Page 19 Multi Variable Air Conditioners Duct Type Indoor Unit ◆ Size of air-return opening 1450 Fig 4.4.8 4.4.3 Installation of Air-return Duct (1) Square flange is defaulted to be fitted on the back before ex-factory. Air-return cover is on the bottom, as shown in Fig 4.4.9. Rectangular Flange Rear Return Air Bottom Return Air...

  • Page 20: Installation Of Wired Controller

    Multi Variable Air Conditioners Duct Type Indoor Unit Name Name Return Air Inlet (with filter) Indoor unit Canvas Duct Supply Air Duct Return Air Duct Grille 4.5 Installation of Wired Controller Please refer to User Manual of Wired Controller for the installation details. Note: When installation is finished, the unit must be tested and debugged before operation.

  • Page 21: Power Cord Connection

    Multi Variable Air Conditioners Duct Type Indoor Unit 1) Strip about 10mm insulation of the end of stranded wire by stripping and cutting tool. 2) Loosen the wiring screws on terminal board. 3) Insert the wire into the ring tongue terminal and tighten by crimping tool. 4) Use the screwdriver for tightening the terminal.

  • Page 22: Connect Communication Wire Of Wired Controller

    Multi Variable Air Conditioners Duct Type Indoor Unit IDU PCB communication indoor unit interface CN12 wiring screw terminal board match resistance previous IDU for communication Fig 5.3.1 Fig 5.3.2 (4) Fix the communication cable with clamp of electric box. (5) For more reliable communication, make sure connect the terminal resistor to the most downstream IDU of the communication bus (terminal D1 and D2), as shown in fig 5.3.2, terminal resistor is provided with each ODU.

  • Page 23: Illuminate For Connection Of Wired Controller And Indoor Units Network

    Multi Variable Air Conditioners Duct Type Indoor Unit 5.5 Illuminate for Connection of Wired Controller and Indoor Units Network (1) Communication wire of indoor unit and outdoor unit (or indoor unit) is connected to D1,D2. (2) Wired controller is connected to H1,H2. (3) One indoor unit can connect two wired controllers that must be set as master one and slave one.
  • Page 24 Multi Variable Air Conditioners Duct Type Indoor Unit Fig 5.5...

  • Page 25: Routine Maintenance

    Multi Variable Air Conditioners Duct 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 26: Table Of Error Codes For Indoor Unit

    Multi Variable Air Conditioners Duct Type Indoor Unit 7 Table of Error Codes for Indoor Unit Error Error Error Content Content Content Code Code Code Quantity Of Group Control Water Temperature Sensor Indoor Unit Error Indoor Units Setting Error Error Indoor Fan Protection LA Indoor Units Incompatibility Error d9 Jumper Cap Error Indoor Unit...
  • Page 27 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-nx224p/a(x2.0)-mGmv-nx280p/a(x2.5)-mGmv-nx280p/a(x3.0)-mGmv-nx450p/a(x4.0)-mVrf fresh air series

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