AUKS AL-H18/4DR1(U), Service Manual

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AUKS DC Inverter 1 Drive1 50HZ R410A Universal outdoor unit
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Note:
This chart is for explanation purposes. An actual installation will differ from this according to the site conditions.
When making an oil trap the radius of the bend should be between 1.5 and 2 times the pipe diameter.
8.3. Electrical connection
8.3.1Electrical connection precaution
Warning
Installation of electric items must be carried out by qualified, professional technicians. An
isolated circuitry should be fixed with whole-pole disconnection devices, which is with at least
3mm gap of touch point. . Power supply and indoor to outdoor connection should use special
cable. Providing the necessity of installation or replacement, the professional technician of
service store appointed by manufacturer must be required, while self-operation by users is
prohibited.
In case of any electric shock accident, the creepage protection devices /power supply on-off
and breaker must be required with power supply.
The specification of fuse for single phase control board is F5AL 250V, while for 3 phase control
board, both indoor and outdoor unit, it is F3.15AL 250V
。
Machine must be earthed surely. If not, it’ll be probably caused creepage.
Equivalent 227IEC53(RVV) type of power cord of GB5023 or the excelled must be required.
The cords should be fixed properly against broken, while ends/joints of cords is under outside
force. Improper connection or fixation will cause disaster like fire….etc. Equivalent
245IEC57(YZW) type of power cord of GB5023 or the excelled must be used as connection
line of indoor and outdoor.
Notice
The earth line is neither allowed to connect to gas pipe, water pipe or circuitry of telephone or
lighting rod, nor to the earth line of other devices.
Others
Please fix power supply cord and connection wires of indoor and outdoor, in accordance with
circuit diagram
Fix the cords into terminal boards properly and safely with cable fixation tools to avoid any
danger caused by the power cord under outside forces.
After fixation, use bind tape (affixed) to bind wires avoiding any collision with other components
like compressor, copper pipes…etc
8.3.2 Electrical connection
Wiring diagram of indoor & outdoor, refer to the section of part 1
Recommendation of power supply cord