Installation
Out
door Units
※ The appearance of the unit may be different from the
picture depending on the model.
CAUTION
•
•
If the outdoor unit is installed in a location vulnerable
to an electric leak or submergence, make sure to
install an ELCB.
AC009/012/018/024BXADCH
: ELCB must be installed
since this product is equipped with a base heater.
Connecting the main power cable
When using ELB for AC009BXADCH, AC012BXADCH (1-phase)
F2
Power Supply
The appearance of the unit may be different from the picture
depending on the model.
MCCB
Outdoor to indoor
power cable
1(L)
ELB
2(N)
Indoor Unit
Main power
cable
L
F1
Electrical
component box
Communication
cable
N
Indoor Unit
Main power
cable
MCCB
1
Communication cable
Outdoor-to-indoor power cable
Outdoor Unit
Earthing
ELB
ELCB
1
OR
Indoor Unit
Main power
cable
MCCB
1
Outdoor Unit
Communication cable
Outdoor-to-indoor power cable
Earthing
ELB
ELCB
1
OR
2
Insert the cables through the conduits, and then fix the
conduits to the conduit plate with the lock nuts.
3
Apply silicone to the end of the hose to prevent rain
from entering the hose.
Silicone
Conduit inserted into the outdoor unit
4
Connect the cables to the outdoor units.
For how to connect the cables, refer to the next page.
5
Attach the conduit plate to the product.
Air conditioning system examples
When using earth leakage circuit breaker (ELCB) for a
single phase