Electric Wiring; Wiring Precautions - Gree GMV-680WM/E-X Manuel D'utilisateur

GMV DC Inverter VRF
air, pay attention to the spaces where the refrigerant may residue, for example, the basement.

4.5 Electric Wiring

4.5.1 Wiring precautions

 Wiring should conform to national rules. All the parts, materials, electric work should be in
accordance with local codes.
 Rated voltage and exclusive power supply should be used.
 Power cord should be fixed soundly and reliable. Never forcibly pull the power cord.
 Wire size of power cord should be large enough. The damaged power cord and
connecting wire should be replaced by exclusive cable.
 All the electrical work should be performed by professional personnel as per local law,
regulation and this manual.
 Connect the unit to the special earthing device and make sure the unit is earthed soundly.
 Circuit breaker and circuit breaker is required to be set. Circuit breaker should have both
magnetic trip and thermal trip functions so as to protect the unit when short-circuit and
overload happens. D-type breaker is adviced to be used.
 Wiring diagram attatched on the unit is prevailed.
4.5.2 Wiring of power cord
Every unit should have corresponding short-circuit and overload protection. And also a
main switch is required to control power supply or disconnection. See Fig. 4.5.1.
Please refer to the following table for circuit breaker and circuit breaker for modular
outdoor units. 5-core cable is used and the wire size unit is mm
Model Basic models
GMV-224WM/E-X
GMV-280WM/E1-X
GMV-280WM/E-X
GMV-335WM/E-X
GMV-400WM/E-X
GMV-450WM/E1-X
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Fig. 4.5.1
Circuit Circuit breaker
breaker capacity for
capacity combined units
(A)
- 20
- 25
- 25
- 32
- 40
- 40
35
2
.
Wire size of
power supply
2
(mm )
(A)
20 2.5
25 2.5
25 2.5
32 4.0
40 6.0
40 6.0
Wire size of combined
2
uni (mm )
2.5×5
2.5×5
2.5×5
4.0×5
6.0×5
6.0×5