Outdoor Wiring Installation - Airwell VVFA Series Service Manual

10. Outdoor Wiring Installation

WARNING
• Switch off the main power switch of the
indoor and outdoor machine for more than
1 minutes before the wiring or regular
inspection.
• To prevent the destruction of wires and
electrical components by rats or other
animals. Serious, it may lead to the
occurrence of fire.
• To avoid damage to the wire, avoid contact
with refrigerant pipes, steel edges and
electrical components. Serious, it may lead
to the occurrence of fire.
CAUTION
• Secure the power cord with a wire tie in the
machine.
Note:
when the wiring of the outdoor machine is
not using the wire, it should be fixed with the
rubber ring.
CAUTION
• In the case of 3 phase 5 wire type, the
power supply of the indoor machine must be
connected use L1 line and N line, prohibit
the use of L1-L2, L1-L3, Otherwise the
electrical part will be damaged.
Inspect
• To ensure that the electrical equipment used on the installation
site (main power switch, circuit breaker, wire, conduit and
wiring terminals, etc.) have been selected according to current
data, to ensure that the device in line with national standards.
• Check the power supply voltage in the range of 10% of the
rated voltage and the ground wire is included in the power
supply line. Otherwise, electrical parts will be damaged.
• Check whether the power supply is satisfied. Otherwise, the
compressor will not start when the voltage is too low.
• By measuring the insulation resistance between the ground
and the electrical device terminals, to ensure that more than 1
MΩ. Otherwise, the system can not be started until the cause
of leakage and maintenance.
Connection
• Connect the power cord to the terminal of the indoor unit and
the outdoor mechanical and electrical gas box, connect the
ground wire to the grounding bolt of the outdoor machine and
the indoor mechanical and electrical air box.
• Connect the external and internal communication lines to the
1 and the 2 terminals on the terminal. If the power cord is
connected, the printed circuit board will be damaged. And the
use of shielded twisted pair wire.
• Do not connect the fastening screws on the front of the cover.
• The power cord must be made of copper wire, and the power
supply must be in line with IEC 60245 requirements. If the
power cord length exceeds 20m, the need to increase the
size.
• The power supply line is fixed with a round connection
terminal with an insulating protective sleeve. Not with sheet
metal contact and extrusion, in order to avoid the cut line of
skin caused by fire.
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