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Multi Variable Air Conditioners Compact Cassette Type Indoor Unit 

15 

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 (1 inch) insulation of the wire end by stripping and cutting tool. 

2) Remove the wiring screws on the terminal board. 

3) Shape the tail of wire into ring by needle nose plier, and keep the gauge of ring in 

accordance with screw. 

4) Use the screwdriver for tightening the terminal. 

(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. 

Unit: mm (inch) 

 

Fig.5.1.1                             Fig.5.1.2 

5.2 Power Cord Connection 

  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. Otherwise, the unit can’t operate normally. 

 

Fig. 5.2.1 

For units with single-phase power supply. 

(1)  Detach the electric box lid. 

(2)  Let the power cord pass through the wiring through-holes. 

Содержание GMV-ND07T/B-T

Страница 1: ...anual Original Instructions Commercial Air Conditioners Multi Variable Air Conditioners Compact Cassette Type Indoor Unit Models GMV ND07T B T U GMV ND09T B T U GMV ND12T B T U GMV ND15T B T U GMV ND1...

Страница 2: ...l keep this manual 6 If this unit fails to operate normally please contact our service center as soon as possible and provide the following information 1 Content on the nameplate model number cooling...

Страница 3: ...turer 3 After verification the defect of product is directly caused by corrosive gas 4 After verification defects are due to improper operation during transportation of product 5 Operate repair mainta...

Страница 4: ...Drainage System Testing 9 4 4 Panel Installation 12 4 5 Installation of Wired Controller 14 5 Wiring Work 14 5 1 Connection of Wire and Patch Board Terminal 15 5 2 Power Cord Connection 15 5 3 Connec...

Страница 5: ...ply before cleaning the unit otherwise electric shock or injury may happen 16 Never spray or flush water towards unit otherwise malfunction or electric shock may happen 17 Do not expose the unit to th...

Страница 6: ...Side Condition Outdoor Side Condition Dry Bulb Temp C F Wet Bulb Temp C F Dry Bulb Temp C F Wet Bulb Temp C F Rated Cooling 26 7 80 19 4 67 35 95 24 75 Rated Heating 21 1 70 15 6 60 8 3 47 7 1 45 3 Pr...

Страница 7: ...should be able to withstand the weight of unit 2 The water can be drained conveniently from drainage pipe 3 There should be no obstruction near air inlet and air outlet 4 Follow the installation dista...

Страница 8: ...nication cable must be adopted 3 3 1 Select Communication Line for Indoor Unit and Wired Controller Fig 3 3 1 Material type Total length of communication line between indoor unit and wired controller...

Страница 9: ...s necessary to use shielded wire 3 4 Wiring Requirement Power Cord Size and Air Switch Capacity Model Power Supply MCA A MOP A GMV ND07T B T U 208 230V 1ph 60Hz 2 15 GMV ND09T B T U 2 15 GMV ND12T B T...

Страница 10: ...T U GMV ND12T B T U GMV ND15T B T U GMV ND18T B T U 670 26 3 8 570 22 7 16 570 22 7 16 495 19 1 2 600 23 5 8 4 1 2 Suspend the Indoor Unit 1 Drill bolt holes and install bolts 1 Stick the reference c...

Страница 11: ...nd lower sides of the hanger bracket The washer fixing plate will prevent the washer from falling 3 The usage of paper pattern Refer to paper pattern of installation for ceiling opening dimension The...

Страница 12: ...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 1 2 Use a torque wrench to tighten up the flaring nut until the wrench gives o...

Страница 13: ...qual to the diameter of drainage pipe joint 6 Install drainage pipe according to the following Fig 4 3 1 and arrange insulation to the drainage pipe Improper installation may lead to water leakage and...

Страница 14: ...he unit Unit mm inch Fig 4 3 2 Drainage pipes assembled by T shaped joints 8 The horizontal pipe can t be connected to vertical pipe in the same level please select the connection way as shown in foll...

Страница 15: ...g the installation distance from soft drain pipe to the gasket is C when the bolt is tightened It is not allowed to apply PVC or other related glue in the joints of two ends of drain pipe Fig 4 3 8 Un...

Страница 16: ...fter 60s of energizing In this case the water pump operates automatically Check if the water pump drains normally through drainage port The water pump will stop automatically after running for 10mins...

Страница 17: ...he panel direction so as to keep the mark and fittings on the same corner as shown in Fig 4 4 4 Fig 4 4 4 2 Temporality hang the panel to body there are four hangers on each corner of the panel hang t...

Страница 18: ...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 3 The unit should be powere...

Страница 19: ...ch 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...

Страница 20: ...g board as shown in Fig 5 3 1 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 downstr...

Страница 21: ...munication 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 ma...

Страница 22: ...Multi Variable Air Conditioners Compact Cassette Type Indoor Unit 18 Fig 5 5 1...

Страница 23: ...air outlet of indoor and outdoor unit are blocked 2 Check if securely grounded 3 Check if all the power cord and communication cable are securely connected 4 Check if any error code displayed after en...

Страница 24: ...too low Operation button is off Error of control loop The unit stops after running for a while There is obstacle in front of condenser Error of control loop Perform cooling when outdoor ambient temper...

Страница 25: ...21...

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