Gree GMV-ND24A/A-T Owner'S Manual Download Page 6 | Manualshive

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Gree GMV-ND24A/A-T Owner'S Manual Download Page 6

GMV DC Inverter VRF

3

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

20(68.0)

15(59.0)

7(44.6)

6(42.8)

Indoor Unit Working Temperature Range: 16°C(60.8 °F)~32°C(89.6 °F)

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Summary of Contents for GMV-ND24A/A-T

Page 1: ...NDITIONER 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: ...by yourself If you need to disassemble and check units please contact our service center We will send specialists to guide the disassembly 6 All graphics in this manual is only for your reference For sales or production reasons these graphics are subject to change by manufacturer without prior notice User Notice This appliance is not intended for use by persons including children with reduced phys...

Page 3: ...e Removal 11 4 5 Ductwork 11 4 6 Installation of Wired Controller 12 5 Wiring Work 12 5 1 Connection of Wire and Patch Board Terminal 12 5 2 Power Cord Connection 13 5 3 Connection of Communication Wire between Indoor Unit and Outdoor Unit or indoor unit 13 5 4 Connect Communication Wire of Wired Controller 14 5 5 Illuminate for Connection of Wired Controller and Indoor Units Network 15 6 Routine ...

Page 4: ...Never start up or shut off the air conditioner by means of directly plug or unplug the power cord 11 Turn off the unit after it runs at least five minutes otherwise it will influence oil return of the compressor 12 Do not allow children operate this unit 13 Do not operate this unit with wet hands 14 Turn off the unit or cut off the power supply before cleaning the unit otherwise electric shock or ...

Page 5: ...s during installation please ventilate immediately Poisonous gas will emerge if the refrigerant gas meets fire 25 Volatile liquid such as diluent or gas will damage the unit appearance Only use soft cloth with a little neutral detergent to clean the outer casing of unit 26 If anything abnormal happens such as burning smell please power off the unit and cut off the main power supply and then immerd...

Page 6: ...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 20 68 0 15 59 0 7 44 6 6 42 8 Indoor Unit Working Temperature Range 16 C 60 8 F 32 C 89 6 F ...

Page 7: ...lities to install the product in accordance with such codes and or any prevailing local codes regulations The manufacturer assumes no responsibilities for equipment installed in violation of any codes or regulations 3 1 4 Replacement Parts When reporting shortages or damages or ordering repair parts give the complete product model and serial numbers as stamped on the product Replacement parts for ...

Page 8: ...trical power supply This air handler must not be reconfigured to operate with any other power supply WARNING The unit must have an uninterrupted unbroken electric grounding to minimize the possibility of personal injury if an electric fault occurs The electric grounding circuit may consist of an appropriate sized power cord which connected with the grounding piece located in the unit control box a...

Page 9: ...ng electromagnetic interference shielded wire must be applied on the communication wire between indoor unit and wired controller Twisted pair line with shielding function must be applied on the communication wire between indoor unit and indoor unit outdoor unit 3 3 1 Select communication line for indoor unit and wired controller Fig 3 3 1 Wire type Total length of communication wire between indoor...

Page 10: ...he cord shall be Circular cord the cores shall be twisted together 3 If unit is installed in places with intense magnetic field or strong interference it is necessary to use shielded wire communication line for outdoor unit Light Ordinary polyvinyl chloride sheathed cord UL60335 2011 L 1000 3280 2 18 UL60335 2011 3 4 Wiring Requirements 1 Power Cord Size and Air Switch Capacity Model Power Cord Si...

Page 11: ...sed on BV single core wire 2 4pc at 40 104 F Cambient temperature when laying across plastic pipe Air switch is D type and used at 40 C 104 F If actual installation condition varies please lower the capacity appropriately according to the specifications of power cord and air switch provided by manufacturer 4 Install cut off device near the unit The minimum distance between each stage of cut off de...

Page 12: ...ry a bath a shower or a swimming pool Be sure that the installation conforms to the installation dimension diagram The space around the unit is adequate for ventilation 4 2 2 Air Handler WARNING This air handler is designed for indoor installation only Do not install it outdoors When installing the air handler take consideration to minimize the length of refrigerant tubing as much as possible Do n...

Page 13: ...aintenance and the height between the air handler and ground is above 2500mm And the air handler is not accessible to the general public A B Fig 4 2 4 3 Piping Work 4 3 1 Specification of Connection Pipe Model External Diameter inch Gas Pipe in Liquid Pipe in GMV ND24A A T U 5 8 3 8 GMV ND30A A T U 5 8 3 8 GMV ND36A A T U 5 8 3 8 GMV ND42A A T U 5 8 3 8 GMV ND48A A T U 5 8 3 8 GMV ND54A A T U 5 8 ...

Page 14: ...ondensate line P trap Fig 4 4 4 5 Ductwork This air handler is designed for a complete supply and return ductwork system WARNING Do not operate the unit without all ductwork completed Do not operate this product without all ductwork attached Inadequate ductwork that restricts airflow can result in improper performance and compressor or heater failure Ductwork is to be constructed in a manner that ...

Page 15: ...ed by independent circuit and specific socket 4 The wiring should be in accordance with related regulations in order to ensure the units reliable running 5 Install circuit breaker for branch circuit according to related regulations and electrical standards 6 Keep cable away from refrigerant pipings compressor and fan motor 7 The communication wires should be separated from power cord and connectio...

Page 16: ...indoor units must be unified of power supply so that they can be powered ON OFF at the same time Fig 5 2 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 L N 4 Fix the power cord with wiring clamp 5 3 Connection of Communication Wire between Indoor Unit and Outdoor Unit or indoor u...

Page 17: ...ectric 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 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 Fig 5 4 1 2 Wired controller and r...

Page 18: ...er one and slave one 4 One wired controller can control 16 indoor unitS in maximum at the same time As shown in fig5 5 1 The type of indoor units must be the same if they are controlled by the same wired controller 2 When the indoor unit is controlled by two wired controllers the addresses of the two wired controllers should be different through address setting Address 1 is for main controller Add...

Page 19: ...GMV DC Inverter VRF 16 Fig 5 5 ...

Page 20: ...r to remove dust If the filters are dirty wash them with warm water and mild detergent and dry the filters in the shade 2 If the unit used in the environment with much dust please clean it regularly Usually once every two weeks 6 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 3 Check if all the power...

Page 21: ... an authorized service center for professional service The following checks prior to contact may save your time and money Phenomenon Troubleshooting The unit can t start Power supply is not connected Circuit breaker tripping caused by leakage of electricity Input voltage is too low Defect of main PC board The unit stops after running for a while The inlet or outlet of ODU or IDU are blocked by obs...

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