Related Manuals for Gree Fresh Air Series
Summary of Contents for Gree Fresh Air Series
- Page 1 Owner's Manual Original Instructions Commercial Air Conditioners Multi Variable Air Conditioners Fresh Air Series Indoor Unit Models: GMV-NDX42P/A-T(U) GMV-NDX48P/A-T(U) GMV-NDX54P/A-T(U) GMV-NDX72P/A-T(U) GMV-NDX96P/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: This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
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Page 3: Table Of Contents
Contents 1 Safety Precautions ....................1 2 Product Introduction ....................2 2.1 Unit Introduction ......................2 2.2 Rated Working Condition ..................... 3 2.3 Working Temperature Range ..................3 3 Preparations for Installation ..................4 3.1 Standard Fittings ......................4 3.2 Location for Installation ....................5 3.3 Requirements for Communication Line ................ -
Page 4: Safety Precautions
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 1 Safety Precautions Follow this instruction to complete the installation work. Please carefully read this manual before unit startup and service. Wire size of power cord should be large enough. The damaged power cord and connection wire should be replaced by exclusive cable. -
Page 5: Product Introduction
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. According to... -
Page 6: Rated Working Condition
Multi Variable Air Conditioners Fresh Air Series Indoor Unit Connection diagram of fresh air series indoor units and conventional VRF indoor units (2) If the selected air volume ＞1471 CFM, it can only connect the fixed outdoor unit as below:... -
Page 7: Preparations For Installation
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 3 Preparations for Installation NOTICE! Product graphics are only for reference. Please refer to actual products. Unspecified measure unit is mm（in.）. 3.1 Standard Fittings Please use the supplied standard fittings listed below as instructed. -
Page 8: Location For Installation
Multi Variable Air Conditioners Fresh Air Series Indoor Unit M8 Washer To fix the hook on the 8 PC (M8XΦ16X 1.5) cabinet of the unit. Wrap the joint of drain Sponge of Drain Pipe 2 PC pipe NOTICE! The fittings list above is subject to change without notice, please refer to the packing list provided with indoor unit. -
Page 9: Requirements For Communication Line
Multi Variable Air Conditioners Fresh Air Series Indoor Unit (1) Install the unit at a place where is adequate to withstand the weight of the unit and make sure the unit would not shake or fall off. (2) Never expose the unit under direct sunshine and rainfall. Install the unit at a place where is against dust, typhoon and earthquake. -
Page 10: Wiring Requirements
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 3.3.2 Select communication line for indoor unit and indoor unit (outdoor unit) Fig 3.3.2 Total Length of Communication Cable Material Type between IDU Unit and Wire size Remarks IDU (ODU ) Unit L m(ft) ①. -
Page 11: Installation Instructions
Multi Variable Air Conditioners Fresh Air Series Indoor Unit The air switch should include magnetic trip function and thermal trip function so that system can be protected from short circuit and overload. An all-pole disconnection switch having a contact separation of at least 3mm (1/8in.) in all poles should be connected in fixed wiring. - Page 12 Multi Variable Air Conditioners Fresh Air Series Indoor Unit Below are dimensions of A, B, C, etc. for different models: Unit：mm（in.） Model GMV-NDX42P/A-T 1440 1580 1400 （U） (56-11/16) (19-11/16) (62-7/32) (11-13/16) (29-11/16) (55-1/8) (27-9/16) GMV-NDX48P/A-T 1440 1580 1400 （U） (56-11/16)
- Page 13 Multi Variable Air Conditioners Fresh Air Series 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 4.1.3.
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Page 14: Pipe Connection
Multi Variable Air Conditioners Fresh Air Series Indoor Unit NOTICE! 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 15: Installation And Test Of Drain Pipe
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 4.3 Installation and Test of Drain Pipe 4.3.1 Installation of Drain Pipe NOTICE! ①. The drain pipe should be as short as possible and slope downward for at least 1%~2% so that condensate can drain out easily. - Page 16 Multi Variable Air Conditioners Fresh Air Series Indoor Unit (4) When connecting several drain pipes, follow the instruction as indicated in Fig 4.3.4. Choose the drain collecting pipe that matches with unit capacity. Fig 4.3.4 (5) For indoor units that have high pressure at the outlet of drain pipe, use water-sealed joint.
- Page 17 Multi Variable Air Conditioners Fresh Air Series Indoor Unit Fig 4.3.7 Fig 4.3.8 Fig 4.3.9 (10) Drain pipes should have a downward slope of at least 1%~2%, in order to prevent pipes from sagging, install hanger bracket at intervals of 1000~1500mm (39-3/8~59in.).
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Page 18: Installation Of Air Duct
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 4.4 Installation of Air Duct NOTICE! ①. There should be insulating layer on air-out duct, air-return duct and fresh air duct to avoid heat loss and moisture. Adhere a nail on the air duct and then add thermal sponge with a layer of tin. - Page 19 Multi Variable Air Conditioners Fresh Air Series Indoor Unit (2) Installation of Circular Duct Fig 4.4.2 Name Name Fresh Air Duct Transition Pipe Canvas Duct Supply Air Duct Fresh Air Blinds Diffuser Hanger Rod Diffuser Connector Supply Air Outlet 4.4.2 Shape and Size of Air-outlet and Air-return Opening Fig 4.4.3 Air Outlet...
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Page 20: Installation Of Wired Controller
Multi Variable Air Conditioners Fresh Air Series Indoor Unit Unit: mm (in.) Size of Air –returen Size of Air Outlet Opening Model GMV-NDX42P/A-T(U) 197 (7-3/4) 1151 (45-5/16) 1362 (53-5/8) 264 (10-3/8) GMV-NDX48P/A-T(U) 197 (7-3/4) 1151 (45-5/16) 1362 (53-5/8) 264 (10-3/8) -
Page 21: Connection Of Wire And Patch Board Terminal
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 5.1 Connection of Wire and Patch Board Terminal (1) The connection of wire (as shown in fig 5.1.1) 1) Strip about 25mm (1in.) insulation of the wire end by stripping and cutting tool. -
Page 22: Connection Of Communication Line Of Idu And Odu
Multi Variable Air Conditioners Fresh Air Series Indoor Unit For units with single-phase power supply. (1) Detach the electric box lid. (2) Let the power cord pass through the wiring through-holes. (3) Connect the power cord to terminal “L1, L2, ”. -
Page 23: Illuminate For Connection Of Wired Controller And Indoor Units Network
Multi Variable Air Conditioners Fresh Air Series Indoor Unit (4) Fix the communication wire with wire clip on the electric box. (5) Wiring instructions of remote receiving light board and wired controller: 1) Fig 5.4.1 shows the installation of wired controller. - Page 24 Multi Variable Air Conditioners Fresh Air Series Indoor Unit (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. (4) One wired controller can control 16 indoor units in maximum at the same time. (as shown in fig 5.5)
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Page 25: Routine Maintenance
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 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. -
Page 26: Table Of Error Codes For Indoor Unit
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 7 Table of Error Codes for Indoor Unit Error Error Error Content Content Content Code Code Code Indoor Units Indoor Unit Error Jumper Cap Error Incompatibility Error Indoor Unit Network Indoor Fan Protection... -
Page 27: Troubleshooting
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 8 Troubleshooting If your air conditioner is not working well, please check the following table first before asking for service: Phenomenon Troubleshooting ①. Power supply is not connected ②. Circuit breaker tripping caused by leakage of electricity The unit can’t start...