Electrical Connections - Carrier 38GL2M12G Installation Manual

38GL_M...G

Electrical connections

Terminal box legend
Earth.
L Live power supply.
N Neutral power supply.
R Live connection indoor/outdoor unit.
C Neutral connection indoor/outdoor unit.
Y Compressor interlocking contact.
R-410A
Cooling only unit
L N R1 C1 Y1
L N R C Y R C Y R C Y R C Y
A / A1
10
10
Cooling only system
³
A2
R C Y
³
A / A1
R C Y
» ¿
L N R C Y
A / A1
R2 C2 Y2 R3 C3 Y3 R4
A2 B / B1
120
³ Indoor unit
· Outdoor unit
100
» Main switch
¿ Time-delay fuse or circuit breaker
³
R C Y
³
R C Y
R C Y R C Y R C Y
A2 B / B1 B2
·
C4 Y4
B2
Mains supply connecting cable (field wiring).
Connecting cable, indoor-outdoor units (field wiring).
(see table IV "Electrical data").
B / B1
B2
E N G L I S H
GB - 9