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Summary of Contents for Gree GMV-ND24A/A-T
- Page 1 AIR CONDITIONER INDOOR UNIT Owner's Manual Original Instructions Commercial Air Conditioners GMV DC Air Handler Models: GMV-ND24A/A-T(U) GMV-ND30A/A-T(U) GMV-ND36A/A-T(U) GMV-ND42A/A-T(U) GMV-ND48A/A-T(U) GMV-ND54A/A-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: (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.
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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 3 Preparative for Installation ................... 4 3.1 Pre-Installation Instruction ..................4 3.2 Important Safety Instructions ..................4 3.3 Requirements for Communication Line .............. -
Page 4: Safety Precautions
(18) User is not allowed to repair the unit. Fault service may cause electric shock or fire accidents. Please contact Gree appointed service center for help. (19) Before installation, please check if the power supply is in accordance with the requirements specified on the nameplate. - Page 5 (26) If anything abnormal happens (such as burning smell), please power off the unit and cut off the main power supply, and then immerdiately contact Gree appointed service center.If abnormality keeps going, the unit might be damaged and lead to electric shock or fire.
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Page 6: Product Introduction
GMV DC Inverter VRF 2 Product Introduction 2.1 Names of Key Components Fig 2.1 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 27(80.6) 19(66.2) 35(95) 24(75.2) Rated Heating... -
Page 7: Preparative For Installation
GMV DC Inverter VRF 3 Preparative for Installation 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 number, specifications and accessories are correct prior to installation. - Page 8 GMV DC Inverter VRF WARNING: Before serving or installing this equipment. The electrical power to this unit must be in the “off” position. Caution, more than one disconnect may exist. Failure to observe this warning may result in an electrical shock that can cause personal injury or death. WARNING: The United States environmental protection agency („epa”) has issued various regulations regarding the introduction and disposal of refrigerants introduced into this unit.
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Page 9: Requirements For Communication Line
GMV DC Inverter VRF garge, utility room or parking area and a carbon monoxide producing device is operated therein, there must be adequate ventilation directly to outside. 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. -
Page 10: Wiring Requirements
(UL60335-2011) 3.4 Wiring Requirements (1) Power Cord Size and Air Switch Capacity Minimum Air Switch Minimum Sectional Sectional Area of Model Power Cord Size apacity Area of Power Ground Cord(AWG) Wire(AWG) GMV-ND24A/A-T(U) GMV-ND30A/A-T(U) GMV-ND36A/A-T(U) 208/230V-1Ph-60HZ GMV-ND42A/A-T(U) GMV-ND48A/A-T(U) GMV-ND54A/A-T(U) -
Page 11: Installation Instructions
GMV DC Inverter VRF (1) Use copper wire only as unit‟s power cord. Operating temperature should be within its rated value. (2) If the power cord is more than 15 m (49-1/4 feet) long, please increase properly the sectional area of power cord to avoid overload, which may cause accident. (3) Above selection requirements: Power cord size is based on BV single-core wire (2~4pc) at 40°... -
Page 12: Location
GMV DC Inverter VRF Unit: Inch (mm) DIMENSION MODEL GMV-ND24A/A-T(U) 18-1/8"(460) 21-1/4"(540) 43-1/2"(1105) 11-5/8"(295) 16-3/4"(426) GMV-ND30A/A-T(U) 18-1/8"(460) 21-1/4"(540) 43-1/2"(1105) 11-5/8"(295) 16-3/4"(426) GMV-ND36A/A-T(U) 21-1/4"(540) 21-1/4"(540) 48-1/4"(1224) 11-5/8"(295) 20"(508) GMV-ND42A/A-T(U) 21-1/4"(540) 21-1/4"(540) 48-1/4"(1224) 11-5/8"(295) 20"(508) GMV-ND48A/A-T(U) 24-7/8"(630) 21-1/4"(540) 48-1/4"(1224) 11-5/8"(295) 20"(508) GMV-ND54A/A-T(U) 24-7/8"(630) -
Page 13: Piping Work
Fig 4.2 4.3 Piping Work 4.3.1 Specification of Connection Pipe External Diameter (inch) Model Gas Pipe(in) Liquid Pipe(in) GMV-ND24A/A-T(U) GMV-ND30A/A-T(U) GMV-ND36A/A-T(U) GMV-ND42A/A-T(U) GMV-ND48A/A-T(U) GMV-ND54A/A-T(U) 4.3.2 Piping Preparation All cut ends are to be round, burr free, and cleaned. Failure to follow this practice... -
Page 14: Condensate Removal
GMV DC Inverter VRF Fig 4.3. 4.4 Condensate Removal The drain pan has primary and secondary drain connection (Figure 8). Condensate removal is performed by attaching a 3/4” PVC pipe to the evaporator coil pan and terminated in accordance with local or state Plumbing/HVAC codes. The installation must include a “P” style trap that is located closely to the evaporator coil. -
Page 15: Installation Of Wired Controller
GMV DC Inverter VRF air handler bottom (upflow configuration). Return Air Filters: Each installation must include a return air filter. This filtering may be performed at the air handler or externally such as a return air filter grille. 4.6 Installation of Wired Controller Please refer to User Manual of Wired Controller for the installation details. -
Page 16: Power Cord Connection
GMV DC Inverter VRF （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. 4）Use the screwdriver for tightening the terminal. -
Page 17: Connect Communication Wire Of Wired Controller
GMV DC Inverter VRF 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 18: Illuminate For Connection Of Wired Controller And Indoor Units Network
GMV DC Inverter VRF 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 19 GMV DC Inverter VRF Fig 5.5...
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Page 20: Routine Maintenance
GMV DC Inverter VRF 6 Routine Maintenance （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 21: Table Of Error Codes For Indoor Unit
GMV DC Inverter VRF 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 Indoor Units Incompatibility Jumper Cap Error Protection Error...
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