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Summary of Contents for Gree GMV-ND09A/B-T
- Page 1 Owner's Manual Original Instructions Commercial Air Conditioners GMV DC Air Handler Models: GMV-ND09A/B-T(U) GMV-ND12A/B-T(U) GMV-ND18A/B-T(U) GMV-ND24A/B-T(U) GMV-ND30A/B-T(U) GMV-ND36A/B-T(U) GMV-ND42A/B-T(U) GMV-ND48A/B-T(U) GMV-ND54A/B-T(U) GMV-ND60A/B-T(U)
- Page 2 Preface For correct installation and operation, please read all instructions carefully. Before reading the instructions, please be aware of the following items: If not abide them strictly, it may cause severe damage to the unit or the people. If not abide them strictly, it may cause slight or medium damage to the unit or the people.
- 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;...
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Page 4: Table Of Contents
Contents 1 Safety Precautions..................... 1 2 Product Introduction ....................2 2.1 Names of Key Components ....................2 2.2 Rated Working Condition ..................... 2 3 Preparations for Installation ..................2 3.1 Pre-Installation Instruction ....................3 3.2 Important Safety Instructions ....................3 3.3 Requirements for Communication Line ................ -
Page 5: Safety Precautions
GMV DC Air Handler 1 Safety Precautions This product can’t be installed at corrosive, inflammable or explosive environment or the place with special requirements, such as kitchen. Otherwise, it will affect the normal operation or shorten the service life of the unit, or even cause fire hazard or serious injury. -
Page 6: Product Introduction
GMV DC Air Handler 2 Product Introduction 2.1 Names of Key Components Fig.2.1.1 2.2 Rated Working Condition Indoor Side Condition Outdoor Side Condition — Dry Bulb Temp Wet Bulb Temp Dry Bulb Temp Wet Bulb Temp ℃(℉) ℃(℉) ℃(℉) ℃(℉) Rated Cooling 26.7(80.0) 19.4(67.0) -
Page 7: Pre-Installation Instruction
GMV DC Air Handler 3.1 Pre-Installation Instruction 3.1.1 Checking Product Received After receiving the product, please check if there is any damage caused by transportation. Shipping damage is the responsibility of the carrier. Verify the model No., specifications and accessories are correct prior to installation. The distributor or manufacturer will not accept claims from dealers for transportation damage or installation of incorrectly shipped units. - Page 8 GMV DC Air Handler The United States environmental protection agency (“EPA”) has issued various regulations regarding the introduction and disposal of refrigerants introduced into this unit. Failure to follow these regulations may harm the environment and can lead to the imposition of substantial fines.
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Page 9: Requirements For Communication Line
GMV DC Air Handler This ventilation is necessary to avoid the danger of CO poisoning which can occur if a carbon monoxide producing device continues to operate in the enclosed area. Carbon monoxide emission can be (re)circulated throughout the building if the furnace or air handler is operating in any mode. CO can cause serious illness including permanent brain damage or death. -
Page 10: Wiring Requirements
3.4 Wiring Requirements Power Cord Size and Air Switch Capacity Minimum Circuit Ampacity Maximum Overcurrent Model Power Cord Size Protection (A) GMV-ND09A/B-T(U) GMV-ND12A/B-T(U) GMV-ND18A/B-T(U) GMV-ND24A/B-T(U) GMV-ND30A/B-T(U) 208/230V-1Ph-60Hz GMV-ND36A/B-T(U) GMV-ND42A/B-T(U) GMV-ND48A/B-T(U) -
Page 11: Installation Instructions
GMV DC Air Handler 4 Installation Instructions 4.1 Dimension Data Fig.4.1.1 Unit: mm(inch) Dimension Model GMV-ND09A/B-T(U) 460(18-1/8) 540(21-1/4) 1105(43-1/2) 295(11-5/8) 426(16-3/4) GMV-ND12A/B-T(U) 460(18-1/8) 540(21-1/4) 1105(43-1/2) 295(11-5/8) 426(16-3/4) GMV-ND18A/B-T(U) 460(18-1/8) 540(21-1/4) 1105(43-1/2) 295(11-5/8) 426(16-3/4) GMV-ND24A/B-T(U) 460(18-1/8) 540(21-1/4) 1105(43-1/2) 295(11-5/8) 426(16-3/4) GMV-ND30A/B-T(U) - Page 12 GMV DC Air Handler A place where easy connection with the outdoor unit is available. A place where is 1m or more away from other electric appliances such as television, audio device, etc. Avoid a location where there is heat source, high humidity or inflammable gas. ...
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Page 13: Piping Work
GMV DC Air Handler 4.3 Piping Work 4.3.1 Specification of Connection Pipe External Diameter (inch) Model Gas Pipe Liquid Pipe GMV-ND09A/B-T(U) GMV-ND12A/B-T(U) GMV-ND18A/B-T(U) GMV-ND24A/B-T(U) GMV-ND30A/B-T(U) GMV-ND36A/B-T(U) GMV-ND42A/B-T(U) GMV-ND48A/B-T(U) GMV-ND54A/B-T(U) GMV-ND60A/B-T(U) 4.3.2 Piping Preparation 4.3.2.1 Solder Connection All cut ends are to be round, burr free, and cleaned. Failure to follow this practice increases the chances for refrigerant leakage. -
Page 14: Condensate Removal
GMV DC Air Handler (3) Use pipe bend when bending the pipe and the bending angle should not be too small. (4) Wrap the connection pipe and joint with sponge and then tie them firmly with tape. 4.4 Condensate Removal (1) It is not allowed to connect the condensate drain pipe into waste pipe or other pipelines which are likely to produce corrosive or peculiar smell to prevent the smell from entering indoors or corrupt the unit. -
Page 15: Electric Heater
4.7.1 Electric Heater Kits Available Manufacturer of Model Electric heater Description electric heater GMV-ND09A/B-T(U) GMV-ND12A/B-T(U) 21-4227-00 Circuit breaker, 5 kW electric heater GMV-ND18A/B-T(U) GMV-ND24A/B-T(U) 21-4227-00 Circuit breaker, 5 kW、8 kW、10 kW... - Page 16 GMV DC Air Handler 4.7.2 Electric Heater Kits Installation (1) Ensure that all power supply is disconnected prior to installing the heater kit. (2) A means of strain relief and conductor protection must be provided at the supply wire entrance into cabinet. (3) Use copper conductors only.
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Page 17: Wiring Work
GMV DC Air Handler 10) Connection of power cords and wired controller. Fig.4.7.2 5 Wiring Work Before obtaining access to terminals, all supply circuits must be disconnected. Units must be earthed securely, or it may cause electric shock. Please carefully read the wiring diagram before carry out the wiring work, incorrect wiring could cause malfunction or even damage the unit. -
Page 18: Power Cord Connection
GMV DC Air Handler (2) The connection of stranded wire (as shown in Fig.5.1.2) 1) Strip about 10mm (3/8 inch) 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. -
Page 19: Connection Of Communication Wire Between Indoor Unit And Outdoor Unit (Or Indoor Unit)
GMV DC Air Handler 5.3 Connection of Communication Wire between Indoor Unit and Outdoor Unit (or indoor unit) (1) Detach the electric box lid. (2) Let the Communication cable pass through the wiring through-holes. (3) Connect the communication wire to terminal D1 and D2 of indoor 4-bit wiring board, as shown in Fig.5.3.1. -
Page 20: Illuminate For Connection Of Wired Controller And Indoor Units Network
GMV DC Air Handler 1) Fig 5.4.1 shows the installation of wired controller. Fig.5.4.1 2) Wired controller and receiving light board can be installed at the same time. When operating through a remote controller, both wired controller and the receiving light board can receive the signals. -
Page 21: Setting Of External Static Pressure
GMV DC Air Handler Fig.5.5 6 Setting of External Static Pressure Working range for external static pressure of this series of duct type unit is 0 inwg~1.00 inwg. For corresponding external static pressure to the respective static pressure notch please see as below. The setting of static pressure for indoor fan can be done via wired controller. -
Page 22: Maintenance Before The Seasonal Use
GMV DC Air Handler (2) If the unit used in the environment with much dust, please clean it regularly (Usually once every two weeks). 7.2 Maintenance before the Seasonal Use (1) Check if the air inlet and air outlet of indoor and outdoor unit are blocked. (2) Check if securely grounded. -
Page 23: Troubleshooting
GMV DC Air Handler 9 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. The following checks prior to contact may save your time and money. Phenomenon Troubleshooting ①...
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