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BLOWER OFF-DELAY
24-V THERMOSTAT
TERMINALS
3-AMP FUSE
LED OPERATION
& DIAGNOSTIC
LIGHT
HEAT
COOL
BLOWER SPEED
SELECTION
FAN
TERMINALS
SPARE 2
SPARE 1
115-VAC (L2)
NEUTRAL
CONNECTIONS
FIVE WIRE
THREE-WIRE
HEATING-ONLY
BLOWER DOOR SWITCH
BLK
BLK
WHT
WHT
GND
GND
AUXILIARY
115-V FIELD-
J-BOX
SUPPLIED
DISCONNECT
FURNACE
Fig. 25 - - Heating and Cooling Application Wiring Diagram with 1- -Stage Thermostat
EAC-1 TERMINAL
(115-VAC 1.0 AMP. MAX.)
115-VAC (L1)
NEUTRAL
CONNECTIONS
Fig. 24 - - Furnace Control
NOTE 2
W
C
R
G
W
C
R
O
N
T
R
G
O
L
COM
NOTE 1
Y/Y2
24-V
TERMINAL
BLOCK
NOTES:
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.
HUMIDIFIER TERMINAL
(24-VAC 0.5 AMP. MAX)
TRANSFORMER
24-VAC CONNECTIONS
PL1-LOW VOLTAGE
DRAIN HARNESS
CONNECTOR
PL2-HOT SURFACE
IGNITER & INDUCER
MOTOR CONNECTOR
FIELD 24-V WIRING
FIELD 115-, 208/230-, 460-V WIRING
FACTORY 24-V WIRING
FACTORY 115-V WIRING
THERMOSTAT
Y
FIELD-SUPPLIED
TERMINALS
DISCONNECT
CONDENSING
UNIT
TWO
WIRE
22
TWINNING AND/OR
COMPONENT TEST
TERMINAL
A08063
208/230- OR
460-V
THREE
PHASE
208/230-V
SINGLE
PHASE
GND
A99440
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