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55175H
16
MILLIVOLT WIRING DIAGRAM
ELECTRONIC WIRING DIAGRAM
WIRING DIAGRAMS
STEP DOWN
TRANSFORMER
EV2
SUPPLY
INCOMING
MAIN GAS
EV1
TO
GAS LINE
BURNER
24V AC
N.C.SW
HEAT LIMIT
SWITCH
120V AC
120V AC
INCOMING
OR BREAKER)
(FUSE BOX
OFF
ON
(SUPPLIED)
WALL SWITCH
GREEN
BLACK WHITE
120v, 60Hz, 0.7A
ELECTRICAL RATING:
BLACK
WHITE
GREEN
OPTIONAL
REMOTE
CONTROL
SENSOR
PILOT
IGNITOR
PV
GND
PV/MV
TR
MV
TH
IG
N
WALL SWITCH
(NOT SUPPLIED)
DO NOT
CONNECT
N.C.SW
HEAT LIMIT SWITCH
TH/TP
TP
TH
WALL SWITCH
(SUPPLIED)
TO 120V
THERMOPILE
PILOT
IGNITOR
O
F F
PI
L
O
T
ON
PILOT SAFETY WIRE
MAIN GAS
INCOMING
SUPPLY
WALL SWITCH
(NOT SUPPLIED)