Gree GMV-PD100W/NAB-K, Service Manual

Page: 92 / 133

88
DC Inverter Multi
VRF Service Manual
7 ELECTRICAL INSTALLATION
7.1 Precautions for Electrical Installation
Carry out installation according to national cabling rules.
Rated supply voltage and special circuit for air conditioner must be used.
Do not pull the power cables with force.
All the electric installations must be carried out by specialist technicians in accordance with the local
laws, rules and these instructions.
The diameter of power cords must be large enough. The damaged power cords and connection wires
must be replaced with special cords.
The earthing shall be secure. The earthing wire shall be connected to the special earthing device on the construction. The
installation must be done by specialist technicians. The air switch shall have both the magnetic tripping and thermal tripping
functions to ensure protection against the short circuit and overload.
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The air conditioner belongs to Category I Electric Appliance. Therefore, be sure to take reliable earthing
measures.
The yellow-green wire inside the air conditioner is used for earthing. Do not use it for other purposes or
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The earthing resistance shall comply with the national standard GB17790
Reliable earthing terminal must be provided on the user’s power supply. Never connect the earthing wire
to the following places:
Water pipe; Gas pipe; Sewage pipe;
Other places that the specialist technicians think unreliable.
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Model
Power supply
(V,Ph,Hz)
Capability of
circuit breaker
(A)
Min. sectional area
of earth lead
(mm
2
)
Min. sectional area
of power cord
(mm
2
)
GMV(L)-Pd100W/NaB-K 220~240V 50 Hz 32 4.0 4.0
GMV(L)-Pd120W/NaB-K 220~240V 50 Hz 32 4.0 4.0
GMV(L)-Pd140W/NaB-K 220~240V 50 Hz 40 6.0 6.0
GMV(L)-Pd160W/NaB-K 220~240V 50 Hz 40 6.0 6.0
GMV(L)-Pd140W/NaB-M 380-415V 3N~, 50Hz 16 1.5 1.5
GMV(L)-Pd160W/NaB-M 380-415V 3N~, 50Hz 16 1.5 1.5
Note:
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the maximum power (maximum amps) of the unit.
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The specifications of the power cable listed in the table above are applied to the conduit-guarded
multi-wire copper cable (like, YJV copper cable, consisting of PE insulated wires and a PVC cable jacket)
used at 40 and resistible to 90 (see GB/T 16895.15). If the working condition changes, they should be
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temperature at 40 . If the working condition changes, they should be modified according to the related
national standard.