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FIVE WIRE
THREE-WIRE
HEATING-ONLY
BLOWER DOOR SWITCH
BLK
BLK
WHT
WHT
GND
GND
AUXILIARY
115-V FIELD-
J-BOX
SUPPLIED
DISCONNECT
Fig. 25 − Heating and Cooling Application Wiring Diagram with 1−Stage Thermostat
441 01 1422 00
NOTE 2
W
C
R
W
C
R
O
N
T
R
G
O
L
COM
NOTE 1
Y/Y2
24-V
TERMINAL
BLOCK
NOTES:
FURNACE
Representative drawing only, some models may vary.
Specifications are subject to change without notice.
FIELD 24-V WIRING
FIELD 115-, 208/230-, 460-V WIRING
FACTORY 24-V WIRING
FACTORY 115-V WIRING
THERMOSTAT
G
Y
TERMINALS
CONDENSING
UNIT
TWO
WIRE
1.
Connect Y-terminal in furnace as shown for proper blower operation.
2.
Some thermostats require a "C" terminal connection as shown.
3.
If any of the original wire, as supplied, must be replaced, use
same type or equivalent wire.
FIELD-SUPPLIED
DISCONNECT
208/230- OR
460-V
THREE
PHASE
208/230-V
SINGLE
PHASE
GND
A99440
23
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