Johnson Controls (H,Y,C)IDM012B21S - Page 28

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P00792Q-rev.2
< Caution for Electrical Wiring >
● Do not connect the power supply wiring and the communication cable into one terminal.
● The manual switchbox is required when communication cable is required.
Indoor Unit
Switchbox
S
Indoor Unit Indoor Unit Indoor Unit
Indoor UnitIndoor Unit
S
G
F
C
I
G
F
C
I
R
L1
S
L2
Mp
N
R
L1
S
L2
Mp
N
R
L1
S
L2
Mp
N
R
L1
S
L2
Mp
N
R
L1
S
L2
Mp
N
R
L1
S
L2
Mp
N