Field Wiring Diagram - Trane 4YCY4024 Installer's Manual

GROUND
WIRE
1 PH
POWER
3 PH
POWER
UNIT
NOTE 1
B
G
Y
W1
W2
R
Figure 22. 4YCY4 Field Wiring Diagram
UNIT CONTROL BOX
B
G
Y
W1
W2
R
COMMON
FAN (GR)
COMPRESSOR
HEAT FIRST STAGE (WH)
(WH)
HEAT SECOND STAGE
24V
C 757192i2
Installer's Guide
COMMON
(GR)
FAN
COMPRESSOR
HEAT FIRST STAGE (WH)
HEAT SECOND STAGE (WH)
24V
B
G (GR)
Y
W1
(WH)
W2 (WH)
R
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