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Multi Variable Air Conditioners Ducted Type Indoor Unit 

(3)  Adjust the unit to the right position. 
(4)  Check the level of the unit 

After the indoor unit is installed, remember to check the horizontal status of the whole unit. It 
should be horizontal from front to back and slant 1% from left to right, following the drainage 
direction. 

 

Fig.4.1.6 

(5)  Remove the washer locating plate and then tighten the nut on it. 

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.4.2.1. 

(2)  Tighten the flaring nut with torque wrench. 

   

Fig.4.2.1 

 

  Torque for tightening nut

 

Pipe diameter 

mm(inch) 

Torque(N▪m)

 

6.35(1/4) 

15~30 

9.52(3/8) 

35~40 

12.7(1/2) 

45~50 

15.9(5/8) 

60~65 

19.05(3/4) 

70~75 

(3)  Use pipe bend when bending the pipe and the bending angle should not be too small.   
(4)  Wrap the connection pipe and joint with sponge and then tie them firmly with tape. 

4.3 Drainage Pipe Installation and Drainage System Testing 

4.3.1 Notice for Installation of Drain Pipe 

(1)  It is not allowed to connect the condensate drain pipe into waste pipe or other pipelines which 

are likely to produce corrosive or peculiar smell to prevent the smell from entering indoors or 

Содержание GMV-ND30PLS/C-T

Страница 1: ...Owner s Manual Original Instructions Commercial Air Conditioners Multi Variable Air Conditioners Ducted Type Indoor Unit Models GMV ND30PLS C T U GMV ND36PLS C T U GMV ND42PLS C T U GMV ND48PLS C T U...

Страница 2: ...perate normally please contact our service center as soon as possible and provide the following information 1 Content on the nameplate model number cooling capacity production codex factory date 2 Mal...

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: ...4 4 Installation of Air Duct 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 16 5 3 Connection of Communication...

Страница 5: ...rmally 13 When installation is finished please check whether the drainage pipes pipelines and electric wires are connected correctly to avoid water leakage refrigerant leakage electric shock or fire e...

Страница 6: ...Bulb Temp C F Wet Bulb Temp C F Rated Cooling 26 7 80 0 19 4 67 0 35 95 0 23 9 75 0 Rated Heating 21 1 70 0 15 6 60 0 8 3 47 0 6 1 43 0 3 Preparations for Installation Product graphics are only for r...

Страница 7: ...on for Installation 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...

Страница 8: ...ed twisted pair communication 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...

Страница 9: ...GMV ND36PLS C T U 3 0 15 GMV ND42PLS C T U 3 0 15 GMV ND48PLS C T U 3 0 15 1 Use copper wire only as unit s power cord Operating temperature should be within its rated value 2 If the power cord is mor...

Страница 10: ...ND30PLS C T U GMV ND48PLS C T U Fig 4 1 1 Below are dimensions of A B C etc for different models Unit mm inch Model A B C D E F G H I GMV ND30PLS C T U 1379 54 5 16 565 22 1 4 1340 52 3 4 655 25 13 1...

Страница 11: ...lt Be sure to fix it securely by using a nut and washer from upper and lower sides of the hanger bracket The washer fixing plate will prevent the washer from falling Unit mm inch Fig 4 1 5 Before oper...

Страница 12: ...n tighten the flaring nut with hand as shown in Fig 4 2 1 2 Tighten the flaring nut with torque wrench Fig 4 2 1 Torque for tightening nut Pipe diameter mm inch Torque N m 6 35 1 4 15 30 9 52 3 8 35 4...

Страница 13: ...lead to water leakage and damp the furniture and other things in the room 7 You can buy normal hard PVC pipe used as the drainage pipe During connection insert the end of PVC pipe into the drainage ho...

Страница 14: ...apacity Unit mm inch Fig 4 3 4 5 Install the trap as shown in following Fig 4 3 5 Fig 4 3 5 6 Install one trap for each unit 7 Convenience for cleaning trap in the future should be considered when ins...

Страница 15: ...4 3 10 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 wate...

Страница 16: ...air return duct should be fixed on a pre made board with iron frame The junction of air duct should be well sealed in order to prevent air leakage The design and construction of air duct should compl...

Страница 17: ...nd the return air cover plate is at the bottom as shown in Fig 4 4 5 Fig 4 4 5 2 If the bottom return air is desired just change the place of the rectangular flange and the return air cover plate 3 Co...

Страница 18: ...before operation Please refer to Instruction Manual of ODU for auto addressing and debugging details 5 Wiring Work Before obtaining access to terminals all supply circuits must be disconnected 1 Unit...

Страница 19: ...l 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...

Страница 20: ...2 1 1 Detach the electric box lid 2 Let the power cord pass through the wiring through holes 3 Connect wires according to Fig 5 2 1 4 Fix the power cord with wiring clamp 5 The wire diameter of power...

Страница 21: ...ht board and wired controller See Fig 5 4 1 for the installation of wired controller Fig 5 4 1 5 5 Illuminate for Connection of Wired Controller and Indoor Units Network 1 Communication wire of indoor...

Страница 22: ...ic pressure to the respective static pressure notch please see as below The setting of static pressure for indoor fan can be done via wired controller For specific setting method please see the Wired...

Страница 23: ...Use a vacuum cleaner 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...

Страница 24: ...Sensor Error L7 No Master Indoor Unit Error d4 Inlet Pipe Temperature Sensor Error dE Indoor Unit CO2 Sensor Error L8 Power Insufficiency Protection d6 Outlet Pipe Temperature Sensor Error C0 Communic...

Страница 25: ...ilter is dirty Too heavy heat load of room e g too many people Door or windows is open Inlet and outlet of IDU are blocked Setting temperature is too high Refrigerant is insufficient e g refrigerant l...

Страница 26: ......

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