POWER SUPPLY CABLE WIRING
Example : Power supply cable wiring.
z
(Using terminal board for indoor units)
Caution
Except for EMERGENCY, never turn off main as well as sub breaker of the indoor units during ●
operation. It will cause compressor failure as well as water leakage.
First, stop the indoor unit by operating the control unit, converter or external input device and then ●
cut the breaker.
Make sure to operate through the control unit, converter or external input device. ●
When the breaker is designed, locate it at a place where the users cannot start and stop in the ●
daily work.
Regulation of wire size and circuit breaker differs from each locality, please refer in accordance ●
with regional standard.
Outdoor units
AJ
A54 AJ
A45 AJ
A40
Sub Breaker
Sub Breaker
Sub Breaker
32A
32A
32A
Power cable
6mm
2
Power cable
6mm
2
Power cable
6mm
2
Sub Breaker
Terminal board
Terminal board
Sub Breaker
20A
20A
Indoor unit power supply
1ø 50Hz 230V
Outdoor unit power supply
1ø 50Hz 230V
Power cable
2.5mm
2
Indoor
units
Indoor
units
Connected within
refrigerant system.
Total MCA ≤ 15 (A).
Total Sub Breaker ≤ Main Breaker
- (06 - 48) -
SYSTEM
DESIGN
SYSTEM
DESIGN
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