
Wiring Connection
Wiring Connection
Electrical Wiring
Outdoor
Indoor
Main
power source
Switch box
ELCB
Perform the electrical wiring work according to the electrical wiring connection.
• All wiring must comply with local requirements.
• Select a power source that is capable of supply-
ing the current required by the air conditioner.
• Use a recognized ELCB(Electric Leakage Cir-
cuit Breaker) between the power source and
the unit. A disconnection device to adequately
disconnect all supply lines must be fitted.
• Model of circuit breaker recommended by
authorized personnel only
8
Connecting Cables between Indoor Unit and Outdoor Unit
Model
Phase(Ø)
ELCB
AUUW09GAE(LUU097HV)
1
15A
AUUW12GAE(LUU127HV)
1
15A
Outdoor
unit
Indoor
unit
1
2
3
1
2
3
CAUTION:
• The power cord connected to the outdoor unit
should comply with the following specifications:
NRTL Recognized(for example, UL or ETL recog-
nized and CSA certified).
Line voltage
(208/230V)
GN/YL
20mm
(25/32 inch)
n
Power supply cable
As always, final wire selection is governed by local codes and
should be installed by a licensed professional contractor.
The minimum recommended wire size
9/12kBtu/h
AWG 14-3
GN/YL
20mm
(25/32 inch)
n
Connecting cable
The power connecting cable between the outdoor and indoor units
must comply with the following specifications: NRTL Recognized
(for example, UL or ETL recognized and CSA certified).
AWG 18-4 is the minimum recommended wire size,
however, the selected conductors must comply with local codes
and be suitable for installation in wet locations.
If the supply cord is damaged, it must be replaced by a special cord or assembly availible from the
manufacturer of its service agent.