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6-15
THE 24 VAC CIRCUIT IN FBR18 UNITS
24V
TRANSFORMER
BLOWER
CENTRIFUGAL
SWITCH
RIGHT
IGNITION
MODULE
LEFT
IGNITION
MODULE
GAS
VALVE
J3 PIN 8
LED
3 (24V)
RELAY K2 ON EARLY DESIGN BOARDS
OR
RELAY K3 ON LATER DESIGN BOARDS
LED
4 (PWR)
RIGHT PWR TERMINAL
J2 PIN 7
J2 PIN 5
V1S TERMINAL
LED
2 (PWR)
LEFT PWR TERMINAL
J2 PIN 2
LED
5 (GV)
J3 PIN 9
J2 PIN 4
V2S TERMINAL
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