12.0
Flow Charts
28
IGNITION
Press ON button & hold for a
minimum of 3 seconds
ON neon
activated
Start gas to pilot
start spark
System is reset
ON neon
deactivated
Gas closed
Spark end
Ignition sequence
end
At the end of
ignition sequence
Gas established
at MIN rate
Start gas to pilot for 17 sec
Start spark for 17 sec
Is
ON button
pressed for
3-4 sec?
ADJUSTMENT
Press MAX button
Gas established
at MAX rate
MAX neon
activated
SHUT OFF
Press OFF
button
Sequence of Automatic
Control System
Has
OFF button been
pressed?
Has
MAX button been
pressed?
Is
thermocouple
heated
(valve open)?
NO
NO
NO
NO
YES
YES
YES
YES