background image

Multi Variable Air Conditioners Cassette Type Indoor Unit 

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 L (m/ft.) 

Wire size 

(mm

2

/AWG) 

Material 

standard 

Remarks 

Light/Ordinary 

polyvinyl 

chloride 

sheathed cord. 

(60227 IEC 52 

/60227 IEC 53) 

L≤250

 

(L≤820)

 

2×0.75~2×1.25 

(2×AWG18 

~2×AWG16) 

IEC 

60227-5 

1. Total length of communication line 

can't exceed 250m (820ft.). 

2. The 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. 

3.3.2 Selection of Communication Wire between Indoor Unit and Indoor Unit (or Outdoor 

Unit) 

 

Fig.3.3.2 

Material Type 

Total Length L (m/ft.) 

of Communication 

Cable between 

Indoor Unit and 

Indoor (Outdoor)   

Wire size 

(mm

2

/AWG) 

Material 

standard 

Remarks 

Light/Ordinary 

polyvinyl chloride 

sheathed cord. 

(60227 IEC 52 

/60227 IEC 53) 

L≤1000

 

(L≤3280)

 

≥2×0.75

 

(≥2×AWG18)

 

IEC 60227-5 

1. If the wire diameter is enlarged to 2×1 mm

2

 

(2×AWG16), the total communication line 
length can reach 1500m (4920ft.).   

2. The 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. 

 

Содержание GMV-ND07T/C-T

Страница 1: ...onditioners Multi Variable Air Conditioners Cassette Type Indoor Unit Models GMV ND07T C T U GMV ND09T C T U GMV ND12T C T U GMV ND15T C T U GMV ND18T C T U GMV ND22T C T U GMV ND24T C T U GMV ND30T C...

Страница 2: ...te 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 code ex factory date 2 Malfu...

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 13 4 5 Installation of Wired Controller 15 5 Wiring Work 15 5 1 Connection of Wire and Patch Board Terminal 15 5 2 Power Cord Connection 16 5 3 Connec...

Страница 5: ...normally 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...

Страница 6: ...ns of this manual should not be the responsibility of Gree Electric Appliances Inc of Zhuhai 2 Product Introduction 2 1 Names of Key Components Fig 2 1 1 2 2 Rated Working Condition Indoor Side Condit...

Страница 7: ...Locate the drill hole on ceiling 3 Tapping screw with washer 4 Fix paper pattern 4 Washer fixing plate 4 Prevent the washer from falling off 5 Drain Hose Assembly 1 To connect with the hard PVC drain...

Страница 8: ...tion electricity wire should be at least 1m from television and radio in order to prevent interference and noise Even though 1m distance is ensure there may be noise if the electric wave is too strong...

Страница 9: ...ed in places with intense magnetic field or strong interference it is necessary to use shielded wire 3 3 2 Selection of Communication Wire between Indoor Unit and Indoor Unit or Outdoor Unit Fig 3 3 2...

Страница 10: ...mm 1 8 inch in all poles should be connected in fixed wiring 2 The circuit breaker and power cord specification in above sheet is based on max power max current of the unit 3 The power cord specificat...

Страница 11: ...orarily Assemble suspension bolt on the expansion bolt attach the hanger bracket to the suspension bolt Be sure to fix it securely by using a nut and washer from upper and lower sides of the hanger br...

Страница 12: ...hen 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 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...

Страница 13: ...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 hole and then tighten it...

Страница 14: ...ght 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 vertical with the unit the raising heigh...

Страница 15: ...water to drain pan from air vent ensure that not to splash the water over the electrical components e g water pump etc 1 In case of commissioning finished please energize the IDUs and switch to coolin...

Страница 16: ...er cable and communication line need to be fixed through the side panel locking connector The fixing process is as follows 1 Attach the locking joint to the locking joint bracket Fig 4 4 1 2 Power cab...

Страница 17: ...ree between decoration panel and ceiling board after installation if not please adjust the body position Fig 4 5 2 3 Connect the decoration panel terminals Female to body terminals Male as shown in Fi...

Страница 18: ...he air inlet grille from panel make a wiring connection of signal receiver Notices that the connection wire not stuck in the middle of body and panel or may cause air leakage and lead to condensation...

Страница 19: ...ircuit 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 c...

Страница 20: ...t operate normally Fig 5 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 T...

Страница 21: ...en 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 4 Fix the communication...

Страница 22: ...st be set as master one and slave one 4 One wired controller can control 16 indoor units in maximum at the same time as shown in Fig 5 5 1 1 The type of indoor units must be the same if they are contr...

Страница 23: ...eck if any error code displayed after energized 6 3 Maintenance after the Seasonal Use 1 Set the unit in fan mode for half a day in a sunny day to dry the inner part of unit 2 When the unit won t be u...

Страница 24: ...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...

Страница 25: ......

Отзывы: