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120V ACC
ROOM THERMOSTAT
C
Y
C
*R
OUTDOOR
UNIT
WARNING - Electric shock hazard. Can cause injury or death. Unit must be grounded in accordance with national and local codes.
NOTE: If any wire in this appliance is replaced, it must be replaced with wire of like size, rating, insulation thickness and termination.
NOTE: "R" required on some outdoor units.
507327-01
S47 FLAME
ROLLOUT
SWITCH
G
B6
N
L1
T1
TRANSFORMER
S1
R
W
G
Y
3
5
Use Copper Conductors ONLY
Figure 25. Typical Field Wiring Diagram
BURNERS
FLAME
IGNITOR
SENSOR
COMBUSTION AIR
INDUCER MOTOR
S10 PRIMA-
RY GAS
LIMIT
S145
5
LOW GAS
PRESSURE
3
SWITCH
1
2
10 11
12
3
7
8
9
4
4
5
6
J58
J156
(J1)
1
2
3
(J2)
3A
F1
Y
G
W
R
C
Field supplied ACC. Wire
S145 is used with Honeywell gas
valve when applied in LP gas units
Issue 1809
S47 FLAME
ROLLOUT
R33
SWITCH
J159
P159
ON
OFF
GV1
GAS VALVE
S18
COMBUSTION AIR
PROVING SWITCH
S51
DOOR
INTERLOCK
A92
IGNITION /
BLOWER
CONTROL
INDOOR BLOWER
C4
MOTOR
CAPACITOR
B3
Page 25 of 34
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