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(4) Electric wiring between the indoor and outdoor units
Single-Phase Units (36k~42k)
(4) Electric wiring of indoor unit side
Remove the electric box cover from the electric box sub-assy and then connect the wire.)
The F, C, O connect to the COMMOM, CLOSE and OPEN terminal of the fresh air valve respectively.
WARNING!
Before starting work, check that power is not being supplied to the indoor unit and outdoor unit.
Match the terminal block numbers and connection cord colors with those of the indoor unit side. Erroneous wiring may
cause burning of the electric parts.
. Erroneous wiring may cause burning of the electric parts.
Connect the connection cords firmly to the terminal block. Imperfect installation may cause a fire.
Always fasten the outside covering of the connection cord with cord clamps. (If the insulator is not clamped, electric leak-
age may occur.)
Always connect the ground wire.
Electric box
sub-assy
Electric box
cover
L1 L2
F C O
H1 H2
1 2
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