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

Multi variable air conditioners fresh air series indoor unit
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Owner's Manual
Original Instructions
Commercial Air Conditioners
Multi Variable Air Conditioners
Fresh Air Series Indoor Unit
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 Owner's Manual Original Instructions Commercial Air Conditioners Multi Variable Air Conditioners Fresh Air Series Indoor Unit 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...
  • Page 2 To Users Thank you for selecting Gree product. Please read this instruction manual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our product and achieve expected operating effect, we hereby instruct as below:...
  • Page 3 Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons: (1) Damage the product due to improper use or misuse of the product; (2) Alter, change, maintain or use the product with other equipment without abiding by the instruction manual of manufacturer;...

  • Page 4: Table Of Contents

    Contents 1 Safety Notices (Please be sure to abide them) ............1 2 Product Introductions ....................3 2.1 Unit Introduction ........................3 2.2 Rated Working Condition ......................5 2.3 Working Temperature Range ....................5 3 Preparations for Installation ..................5 3.1 Standard Fittings ........................

  • Page 5: Safety Notices (Please Be Sure To Abide Them)

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit 1 Safety Notices (Please be sure to abide them) WARNING: If not abide them strictly, it may cause severe damage to the unit or the people. NOTE: If not abide them strictly, it may cause slight or medium damage to the unit or the people.
  • Page 6 Wrong maintenance supply immediately, and then may cause electric shock or fire contact Gree appointed service hazard. Please contact Gree center. If those abnormal appointed service center for circumstances still exit, the unit help.

  • Page 7: Product Introductions

    Any personal injury or property loss caused by improper installation, improper debug, and unnecessary repair or not following the instructions of this manual should not be the responsibility of Gree Electric Appliances, Inc. of Zhuhai. Correct Disposal of this product This marking indicates that this product should not be disposed with other household wastes throughout the EU.
  • Page 8 (2) If the number of connected indoor units is more than one and all of them are VRF fresh air indoor units: Connected Optional indoor unit model Connection condition outdoor unit series GMV-NX140P/A(X1.2)-K GMV5 GMV-NX224P/A(X2.0)-M The total capacity of connected fresh air indoor units cannot GMV6 GMV-NX280P/A(X2.5)-M exceed 50%~100% of the capacity of outdoor units.

  • Page 9: Rated Working Condition

    (3) If the number of connected indoor units is only one and it is VRF fresh air indoor unit: Recommended Connected Optional indoor unit model Connection condition capacity of outdoor unit outdoor unit series GMV-NX140P/A(X1.2)-K 14kW GMV Mini* The capacity of outdoor GMV-NX224P/A(X2.0)-M 22.4kW unit is not less than the...

  • Page 10: Standard Fittings

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit 3.1 Standard Fittings Please use the supplied standard fittings listed below as instructed. Name Graphics Quantity Function Wired Controller Control indoor unit Union Nut Sub-assy Connect exit pipe NOTE! The packed attachments should be subject to actual objects. If there are any alterations, there will be no further notice.

  • Page 11: Requirements For Communication Line

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit ② Improper installation will affect unit’s performance, so do not install the unit by yourself. Please contact local dealer to arrange professional technicians for the installation. ③ Do not connect power until all installation work is finished. 3.3 Requirements for Communication Line NOTE! If the unit is installed in the place with strong electromagnetic interference, shielded wire must be...

  • Page 12: Wiring Requirements

    (1) Power Cord Size and Air Switch Capacity Minimum Sectional Minimum Sectional Air Switch Capacity Model Power Supply Area of Ground Area of Power Wire(mm²) Cord(mm²) 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...

  • Page 13: 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 Unit: mm Fig.4.1.1 GMV-NX224P/A(X2.0)-M;...
  • Page 14 Multi Variable Air Conditioners Fresh Air Series Indoor Unit GMV-NX450P/A(X4.0)-M Unit: mm Fig.4.1.3 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 15 Multi Variable Air Conditioners Fresh Air Series Indoor Unit Fig.4.1.6 4.1.3 Lift the Unit Lift up the unit to the ceiling and secure it on the bolt. Use specialized nut to secure the unit. Unit: mm Fig.4.1.7 NOTES! ① Before installation, please finish the preparation work of all pipes (connection pipe, drain pipe) and wires (wired controller wire, connection wire of IDU and ODU) that need to be connected with the indoor unit.

  • Page 16: Pipe Connection

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit 4.2 Pipe Connection (1) Direct the flaring of copper pipe to the center of screwed connection and then screw the flaring nut tight 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. Fig.4.2 Torque for tightening nut Pipe diameter (mm)
  • Page 17 Multi Variable Air Conditioners Fresh Air Series Indoor Unit (8) 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. Fig.4.3.1 4.3.2 Drainage pipe installation (1) Insert the drain hose into the drain hole and tighten it with tapes, as shown in Fig.4.3.2.
  • Page 18 Multi Variable Air Conditioners Fresh Air Series Indoor Unit (5) Install the trap as shown in following Fig.4.3.5. Fig.4.3.5 (6) Install one trap for each unit. (7) Convenience for cleaning trap in the future should be considered when installing it. (8) The horizontal pipe can be connected to vertical pipe in the same level;...

  • Page 19: Installation Of Air Duct

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit Fig.4.3.10 Fig.4.3.11 3) Check if the water drains smoothly from the drain pipe and check if there is water leakage on the connection pipe. 4) Arrange insulation of drain hose and pipe clamp after checking the drain system. ...
  • Page 20 (1) Installation of the Rectangular Duct Fig.4.4.1 (2) Installation of Circular Duct Fig.4.4.2 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 Unit: mm Fig.4.4.3...
  • Page 21 Multi Variable Air Conditioners Fresh Air Series Indoor Unit  Size of air-return opening Unit: mm 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 Unit: mm Fig.4.4.5  Size of air-return opening Unit: mm Fig.4.4.6...
  • Page 22 Multi Variable Air Conditioners Fresh Air Series Indoor Unit (3) The following figure is applicable for the models: GMV-NX450P/A(X4.0)-M  Size of air-outlet opening Unit: mm Fig.4.4.7  Size of air-return opening Unit: mm 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.

  • Page 23: Installation Of Wired Controller

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit (3) Use a clincher to connect air-return duct to the air-return opening of indoor unit. The other end of air-return duct connects with the air-return louver. In order to adjust the height conveniently, you can make a folded canvas duct and have it strengthened by 8# iron wire.

  • Page 24: Connection Of Wire And Patch Board Terminal

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit ⑨ Do not alter the inner wires of air conditioner. Manufacturer does not assume responsibility for damage or abnormal operation due to this reason. ⑩ If the unit is installed in places with strong electromagnetic interference, it's recommended to use twin-twisted shield wire.

  • Page 25: Power Cord Connection

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit 5.2 Power Cord Connection NOTES! ① Every unit should be equipped with a circuit breaker for short-circuit and overload protection. ② During operation, all indoor units connected to the same outdoor unit system must be kept energized status.

  • Page 26: Connect Communication Wire Of Wired Controller

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit 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 (terminals D1 and D2), as shown in Fig.5.3.2, terminal resistor is provided with each ODU.

  • Page 27: Illuminate For Connection Of Wired Controller And Indoor Units Network

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit Fig.5.4.3 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 28 Multi Variable Air Conditioners Fresh Air Series Indoor Unit Fig.5.5...

  • Page 29: Routine Maintenance

    Multi Variable Air Conditioners Fresh Air Series 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 30: Troubleshooting

    Multi Variable Air Conditioners Fresh Air Series Indoor Unit Error Error Error Content Content Content Code Code Code Power Insufficiency Filter Cleaning Humidity Sensor Error Protection Reminder Quantity Of Group Low bus bar voltage of Control Indoor Units Water Temperature Error indoor unit Setting Error High bus bar...

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)-m

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