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Multi Variable Air Conditioners Fresh Air Series Indoor Unit

 

(3)  If the number of connected indoor units is only one and it is VRF fresh air indoor unit: 

 

Optional indoor unit model 

Recommended 

capacity of outdoor unit 

Connected 

outdoor unit series 

Connection condition 

GMV-NX140P/A(X1.2)-K 

14kW 

GMV Mini* 

The capacity of outdoor 
unit is not less than the 
recommended capacity 
and cannot exceed 10% of 
the recommended 
capacity. 

GMV-NX224P/A(X2.0)-M 

22.4kW 

GMV5 
GMV6 

GMV Slim* 

GMV-NX280P/A(X2.5)-M 

28kW 

GMV-NX280P/A(X3.0)-M 

28kW 

GMV-NX450P/A(X4.0)-M 

45kW 

GMV5 
GMV6 

 

Fig 2.1.5 Connection diagram of only one VRF fresh air indoor unit system 

NOTES! 

  Please match the outdoor unit in strict accordance with the above requirements, otherwise, the 

comfortableness will be affected or even the unit will be damaged. 

  If the VRF fresh air indoor unit match with GMV Slim series or GMV Mini series, please consult 

technical staffs for details. 

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 

35 

28 

35 

28 

Rated Heating 

2.3 Working Temperature Range 

Outdoor Ambient Dry Bulb(

Working Temperature Range 

-7~45 

NOTE! 

The ex-factory set temperature is 18

  in cooling mode and 22

  in heating mode. If the user 

needs to change the temperature setting, please contact after-sales service personnel.   

3 Preparations for Installation 

NOTE!

 

Product graphics are only for reference. Please refer to actual products. Unspecified measure unit is 

mm. 

 
 

Содержание GMV-NX140P/A(X1.2)-K

Страница 1: ...riginal Instructions Commercial Air Conditioners Multi Variable Air Conditioners Fresh Air Series Indoor Unit Models GMV NX140P A X1 2 K GMV NX224P A X2 0 M GMV NX280P A X2 5 M GMV NX280P A X3 0 M GMV...

Страница 2: ...used for long cut off the power supply please energize and preheat the unit in advance before reusing it 3 Please properly select the model according to actual using environment otherwise it may impac...

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: ...on 12 4 3 Installation and Test of Drain Pipe 12 4 4 Installation of Air Duct 15 4 5 Installation of Wired Controller 19 5 Wiring Work 19 5 1 Connection of Wire and Patch Board Terminal 20 5 2 Power C...

Страница 5: ...l carefully before turning on or repairing the unit Installation should be conducted by the dealer or qualified personnel Please do not attempt to install the air conditioner by yourself Improper inst...

Страница 6: ...en turned off and the power has been cut off otherwise it may cause electric shock or injury Never spray or flush water towards the air conditioner otherwise malfunction or electric shock may happen D...

Страница 7: ...hased They can take this product for environmental safe recycling 2 Product Introductions 2 1 Unit Introduction VRF fresh air series indoor unit is a kind of air processing unit that inhales the fresh...

Страница 8: ...40P A X1 2 K GMV NX224P A X2 0 M GMV NX280P A X2 5 M GMV NX280P A X3 0 M GMV5 GMV6 GMV Slim The total capacity of connected fresh air indoor units cannot exceed 50 100 of the capacity of outdoor units...

Страница 9: ...e outdoor unit in strict accordance with the above requirements otherwise the comfortableness will be affected or even the unit will be damaged If the VRF fresh air indoor unit match with GMV Slim ser...

Страница 10: ...water out easily 3 There is no obstacle at inlet or outlet Please ensure good air circulation 4 In order to make sure the space for maintenance please install the indoor unit according to the dimensi...

Страница 11: ...ng 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 Le...

Страница 12: ...ed based on the max power max current of unit Above selection requirements of power cord size Power cord size is based on multicore copper core cable with operation temperature of 90 when laying on wi...

Страница 13: ...Outline Dimension and Installation Spots Equip with a service port after hanging the unit For the convenience of maintenance the service port should be on one side of the electric box and below unit s...

Страница 14: ...ern on the installation area as shown in Fig 4 1 4 Punch holes on the installation area according to the 4 spots on the paper pattern the punching diameter may refer to the diameter of expansion bolt...

Страница 15: ...nected with the indoor unit Punch holes on the ceiling air return opening or air outlet Ceiling may have to be strengthened to make it level and to prevent it from vibration You may consult user or co...

Страница 16: ...other pipelines which are likely to produce corrosive or peculiar smell to prevent the smell from entering indoors or corrupt the unit 2 It is not allowed to connect the condensate drain pipe into rai...

Страница 17: ...ten it with tapes as shown in Fig 4 3 2 Model with water pump will be provided with drain hose while other models please prepare the drain hose by yourself 2 Tighten the pipe clamp with the distance b...

Страница 18: ...pout elbow Fig 4 3 7 No 3 Inserting pipe connection Fig 4 3 8 Fig 4 3 6 Fig 4 3 7 Fig 4 3 8 9 Drain pipes should have a downward slope of at least 1 2 in order to prevent pipes from sagging install ha...

Страница 19: ...C0 will occur after 60s of energizing In this case the water pump operates automatically Check if the water pump drains normally drains normally through drainage port The water pump will stop automati...

Страница 20: ...ple For instance do not have the air return opening installed on top of the user offices rest area etc 4 4 1 Installation of Air out Duct 1 Installation of the Rectangular Duct Fig 4 4 1 2 Installatio...

Страница 21: ...Unit 17 Size of air return opening Unit mm Fig 4 4 4 2 The following figure is applicable for the models GMV NX224P A X2 0 M GMV NX280P A X2 5 M GMV NX280P A X3 0 M Size of air outlet opening Unit mm...

Страница 22: ...let opening Unit mm Fig 4 4 7 Size of air return opening Unit mm Fig 4 4 8 4 4 3 Installation of Air return Duct 1 Square flange is defaulted to be fitted on the back before ex factory Air return cove...

Страница 23: ...ion is finished the unit must be tested and debugged before operation Please refer to Instruction Manual of ODU for auto addressing and debugging details 5 Wiring Work NOTES For personal safety the ai...

Страница 24: ...ntact separation in all poles that provide full disconnection under overvoltage category III conditions and these means must be incorporated in the fixed wiring in accordance with the wiring rules The...

Страница 25: ...status Otherwise the unit can t operate normally Fig 5 2 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 4 Fix the power...

Страница 26: ...it 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 electr...

Страница 27: ...iple indoor units at the same time the indoor units must be of the same model Fresh air indoor unit can not share the same wired controller with other types of VRF indoor unit When two wired controlle...

Страница 28: ...Multi Variable Air Conditioners Fresh Air Series Indoor Unit 24 Fig 5 5...

Страница 29: ...k if securely grounded 3 Check if all the power cord and communication cable are securely connected 4 Check if any error code displayed after energized 6 3 Maintenance after the Seasonal Use 1 Set the...

Страница 30: ...rvice 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 Operation button is off Error of...

Страница 31: ......

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