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breaker should include magnetic trip function and thermal trip function so that system can be protected
from short circuit and overload.
(8) Grounding Requirements.
1) Air conditioner belongs to class I electrical appliance, so it must be securely grounded.
2) The yellow-green wire inside the unit is a ground wire. Do not cut it off or secure it with
tapping screws, otherwise it will lead to electric shock.
3) Power supply must include secure grounding terminal. Do not connect the ground wire to
the following:
①Water pipe; ②Gas pipe; ③Drain pipe;
④Other places that are deemed as not secured by professional technicians.
4.5.2 Wiring Diagram
(1) Connection of power cord and communication wire.
Separate power supply for IDU and ODU
Fig.24 Connection of power cord and communication wire for IDU and ODU
(2) Selection of circuit breaker and power cord.
Model
VEPS075N432K
VEPS096N432K
VEPS120N432K
,
,
Power supply
208-230V 3~ 60Hz
208-230V 3~ 60Hz
208-230V 3~ 60Hz
:
Circuit
Number of ground
breaker
wire × Min sectional
capacity(A)
area (mm
32
1×6
40
1×10
50
1×10
20
DC Inverter Multi VRF System
Number of power cord
× Min sectional area
2
)
(mm
3×6
3×10
3×10
2
)
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