20.0
WIRE DIAGRAM FOR SINGLE STAGE
FURNACE WITH X13 ECM, AND PSC
45
60
80
100
120
W
W
W
W
W
R
Y
BK
BU
BK
Y
BU
BU
BK
BU
BK
Y
Y
Y
BK
BU
R
R
R
R
W = WHITE
R = RED
Y = YELLOW
BU = BLUE
BK = BLACK
24 VAC
+ 120 VAC -
BLACK
WHITE
BLACK
WHITE
BLACK
WHITE
YELLOW
BLACK
BLACK
YELLOW
RED
RED
RED
RED
RED
RED
PURPLE
JUNCTION
BLACK
BOX
WHITE
120 VAC
GREEN
BLACK
BLACK
WHITE
WHITE
51
IOM
INDUCER
120 VAC
GAS VALVE
24 VAC
IGNITOR
24 VAC
FMC -0.15
PRESSURE SWITCH
24 VAC
IND. -0.80
PRESSURE SWITCH
24 VAC
HIGH LIMIT
24 VAC
LEFT ROLLOUT
24 VAC
RIGHT ROLLOUT
24 VAC
FLAME SENSOR
24 VAC
H24.2
H24.1
W415-0973 / B / 08.28.13