Specifications
20
stcudorP retaW htimS .O .A Service Workbook
Ashland City, Tennessee 2005© Training Department
Flame
Sensor
Hot Surface Ignitor
(HSI)
24 VAC
Transformer
Combustion
Blower
Line
Gas
Board to
Board Gas
Valves
To Next ICB
From
Previous
Stage ICB
(To and from
connections
are
interchangable)
J24
J26
J27
CN2
CN6
CN8
CN14
CN5
CN12
CN1
CN7
Green
CN15
5A
Red
CN11
CN3
CN13
CN4
CENTRAL
CONTROL
BOARD
(CCB)
JUNCTION BOX
IGNITION
CONTROL
BOARD
(ICB)










