Gree GMV-ND07T/A-T(U) Owner's Manual
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Gree GMV-ND07T/A-T(U) Owner's Manual

Gree GMV-ND07T/A-T(U) Owner's Manual

Multi variable air conditioners cassette type 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.
Multi Variable Air Conditioners
Cassette Type Indoor Unit
Owner's Manual
Air Conditioners
Models:
GMV-ND07T/A-T(U)
GMV-ND09T/A-T(U)
GMV-ND12T/A-T(U)
GMV-ND15T/A-T(U)
GMV-ND18T/A-T(U)
GMV-ND24T/A-T(U)
GMV-ND30T/A-T(U)
GMV-ND36T/A-T(U)
GMV-ND42T/A-T(U)
GMV-ND48T/A-T(U)

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Summary of Contents for Gree GMV-ND07T/A-T(U)

  • Page 1 Multi Variable Air Conditioners Cassette Type Indoor Unit Owner's Manual Air Conditioners Models: GMV-ND07T/A-T(U) GMV-ND09T/A-T(U) GMV-ND12T/A-T(U) GMV-ND15T/A-T(U) GMV-ND18T/A-T(U) GMV-ND24T/A-T(U) GMV-ND30T/A-T(U) GMV-ND36T/A-T(U) GMV-ND42T/A-T(U) GMV-ND48T/A-T(U)  Thank you for choosing Air Conditioners, please read this owner’s manual carefully before operation and retain it for future reference.

  • Page 3: User Notice

    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. This mark indicates procedures which, if improperly performed, might lead to the death or WARNING serious injury of the user.
  • Page 5 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 ....................3 3.1 Standard Fittings ......................... 3 3.2 Installation Position Selection ..................... 4 3.3 Requirements for Communication Line ................

  • Page 6: Safety Precautions

    Multi Variable Air Conditioners Cassette Type Indoor Unit 1 Safety Precautions WARNING (1) Follow this instruction to complete the installation work. Please carefully read this manual before unit startup and service. (2) Wire size of power cord should be large enough.The damaged power cord and connection wire should be replaced by exclusive cable.

  • Page 7: Product Introduction

    Multi Variable Air Conditioners Cassette Type Indoor Unit 2 Product Introduction 2.1 Names of Key Components ① ② ③ ④ ⑤ ⑥ Name Air Outlet Filter Air Inlet Grile Fittings Louver Drainage Pipe 2.2 Rated Working Condition Indoor Side Condition Outdoor Side Condition Dry Bulb Temp °C( ℉...

  • Page 8: Preparations For Installation

    Multi Variable Air Conditioners Cassette Type 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. Name Appearance Q'ty...

  • Page 9: Installation Position Selection

    Multi Variable Air Conditioners Cassette Type Indoor Unit 3.2 Installation Position Selection (1) The appliance shall not be installed in the laundry. (2) The top holder must be strong enough to support unit’s weight. (3) Drain pipe can drain water out easily. (4) There is no obstacle at inlet or outlet.

  • Page 10: Requirements For Communication Line

    Multi Variable Air Conditioners Cassette Type Indoor Unit 3.3 Requirements for Communication Line Notice: If air conditioner used under strong electronic-magnetic interference circumstance, STP (shielded twisted pair) communication cable must be adopted. 3.3.1 Select Communication Line for Indoor Unit and Wired Controller Fig 3.3.1 Total length of communication line...

  • Page 11: Wiring Requirements

    Multi Variable Air Conditioners Cassette Type Indoor Unit 3.4 Wiring Requirements Power Cord Size and Air Switch Capacity Model Power Supply MCA(A) MOP(A) GMV-ND07T/A-T(U) GMV-ND09T/A-T(U) GMV-ND12T/A-T(U) GMV-ND15T/A-T(U) GMV-ND18T/A-T(U) 208~230V-1ph-60Hz GMV-ND24T/A-T(U) GMV-ND30T/A-T(U) GMV-ND32T/A-T(U) GMV-ND42T/A-T(U) GMV-ND48T/A-T(U) (1) An all-pole disconnection switch having a contact separation of at least 3mm(1/8 in.) in all poles should be connected in fixed wiring.

  • Page 12: Installation Instructions

    Multi Variable Air Conditioners Cassette Type Indoor Unit 4 Installation Instructions 4.1 Installation of Indoor Unit 4.1.1Ceiling opening Dimension and suspension bolt position. Fig 4.1.1 Unit: mm(in.) Model 07~48 950(37-3/8) 890(35-1/16) 840(33-1/16) 680(26-3/4) 780(30-11/16) 4.1.2 Suspend the Indoor Unit (1) Drill bolt holes and install bolts 1) Stick the reference cardboard on the installation position;...
  • Page 13 Multi Variable Air Conditioners Cassette Type Indoor Unit 2) Insert the M10 expansion bolt into the hole and then knock the nail into the bolt, as shown in fig 4.1.4. Notice: The length of bolt depends on the installation height of the unit, bolts are field supplied. Fig 4.1.4 (2) Install the indoor unit temporarily Assemble suspension bolt on the expansion bolt, attach the hanger bracket to the suspension...

  • Page 14: Refrigerant Pipe Connection

    Multi Variable Air Conditioners Cassette Type Indoor Unit Fig 4.1.5 4.2 Refrigerant Pipe Connection (1) Aim the flaring port of copper pipe at the center of screwed joint and then tighten the flaring nut with hand as shown in fig 4.2. (2) Tighten the flaring nut with torque wrench.

  • Page 15: Drainage Pipe Installation And Drainage System Testing

    Multi Variable Air Conditioners Cassette Type Indoor Unit 4.3 Drainage Pipe Installation and Drainage System Testing 4.3.1 Notice for Installation of Drain Pipe (1) The drainage pipe should be short and the gradient downwards should be at least 1%~2% in order to drain condensation water smoothly. (2) The diameter of drainage hose should be bigger or equal to the diameter of drainage pipe joint.
  • Page 16 Multi Variable Air Conditioners Cassette Type Indoor Unit Fig 4.3.2 ①- drainage pipes assembled by T-shaped joints (8) The installation height of raising pipe for drainage should be lower than B. The gradient from raising pipe towards drainage direction should be at least 1%~2%. If the raising pipe is vetical with the unit, the raising height should be less than C.
  • Page 17 Multi Variable Air Conditioners Cassette Type Indoor Unit Fig 4.3.5 Model C (mm/in.) 8~12(5/16~1/2) 09~48 12~18(1/2~11/16) 4.3.3 Test of Drainage System (1) Please test drainage system after electric work is finished. Inject approximately 1L purified water to drain pan from air vent, ensure that not to splash the water over the electrical components (e.g.

  • Page 18: Panel Installation

    Multi Variable Air Conditioners Cassette Type Indoor Unit 4.4 Panel Installation 4.4.1 Notices for Installation (1) Improper decorative panel installation could cause the following problems. Fig 4.4.1 (2) Ensure that its clearance-free between decoration panel and ceiling board after installation, if not, please adjust the body position.

  • Page 19: Installation Of Wired Controller

    Multi Variable Air Conditioners Cassette Type Indoor Unit 4.4.2 Panel Installation (1) Detach the panel’s Corner Cap, there is a mark “piping side” on one of the 4 corners, adjust the panel direction so as to keep the mark and fittings on the same corner . (2) Temporality hang the panel to body (there is four hangers on each corner of the panel, hang the hangers to corresponding hooks on the body), as shown in fig 4.4.4.

  • Page 20: Wiring Work

    Multi Variable Air Conditioners Cassette Type Indoor Unit 5 Wiring Work WARNING Before obtaining access to terminals, all supply circuits must be disconnected. (1) Units must be earthed securely, or it may cause electric shock. (2) Please carefully read the wiring diagram before carry out the wiring work, incorrect wiring could cause malfunction or even damage the unit.

  • Page 21: Power Cord Connection

    Multi Variable Air Conditioners Cassette Type Indoor Unit 5.2 Power Cord Connection NOTICE! Every unit should be equipped with a circuit breaker for short-circuit and overload protection. In general, circuit breaker is at OFF status. During operation, all indoor units and outdoor units belonging to the same system must be kept energized status.

  • Page 22: Connect Communication Wire Of Wired Controller

    Multi Variable Air Conditioners Cassette Type Indoor Unit terminal resistor is provided with each ODU. 5.4 Connect Communication Wire of Wired Controller (1) Open electric box cover of indoor unit. (2) Let the communication wire go through the rubber ring. (3) Connect the communication wire to terminal H1 and H2 of indoor 4-bit wiring board.

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

    Multi Variable Air Conditioners Cassette 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, (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 Cassette Type Indoor Unit Fig 5.5...

  • Page 25: Routine Maintenance

    Multi Variable Air Conditioners Cassette Type 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. (3) Do not clean the unit with hot water whose temperature is higher than 45°C to prevent fade or deformation.

  • Page 26: Table Of Error Codes For Indoor Unit

    Multi Variable Air Conditioners Cassette Type 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 Low Air Quality Warning Address Error ODU-IDU Incompatibility...
  • Page 28 Add: Tel: E -mail:...

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