
Electrical circuit diagram
RM 226 AT / RM 235 AT
Colour code
A = Brown
B = Blue
C = Black
O = Orange
Gr = Grey
R = Red
W = White
G/Y =
Green/yellow
Fan
contactor
To indoor unit A To indoor unit B
Mains cable
Compressor A
Compressor B
Compressor
contactor A
Compressor
contactor B
A
A
A
A
A
A
B
B
B
B
B
B
B
B
C
C
C
C
C
O
Gr
Gr
R
R
R
W
W
W
G/Y
G/Y
G/Y
G/Y
G/Y
G/Y
RM 252 AT
Compressor A
Compressor B
Compressor contactor A
To indoor unit A To indoor unit BMains cable
A A
A
A
A
A
B
B
B
B
B
C
O
Gr
R
R
R
W
W
W
G/Y
G/Y
G/Y
G/Y
G/Y
CAP
CAP
CAP
Liquefier fan
Liquefier fan
Liquefier fan
Compressor contactor B
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