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—11—
RACEWAY LOWVOLTAGE
CONNECTIONS
INTEGRATED GAS UNIT
CONTROLLER (IGC)
HOLE IN END PANEL (HIDDEN)
LEGEND
Fig. 9 — Power Wiring Connections
C—Contactor
COMP — Compressor
IFC — Indoor-Fan Contactor
NEC — National Electrical Code
TB — Terminal Block
Fig. 11 — Field Control Wiring Raceway
208/230-1-60
208/230-3-60
460-3-60
(SIZES 072 AND 073)
575-3-60
(SIZES 072 AND 073)
208/230-3-60
575-3-60, 460-3-60
(SIZES 036-060)
WIRE
CONNECTIONS
TO
LOW-VOLTAGE
SECTION
(CONNECTION
BOARD)
COOL STAGE 1
FAN
HEAT STAGE 1
COOL STAGE 2
HEAT STAGE 2
24 VAC HOT
24 VAC COM
N/A
OUTDOOR AIR
SENSOR
Y1/W2
G
W/W1
Y/Y2
O/W2
R
C
S1
S2
THERMOSTAT DIPSWITCH SETTINGS
R
G
Y1
Y2
W1
W2
C
IPD/X
ON
OFF
A
B
C
D
LEGEND
NOTE: Underlined letter indicates active thermostat output when con-
figured for A/C operation.
Fig. 10 — Low-Voltage Connections
Field Wiring