Operating Sequence - ProFire PF2200-SB Product Manual

2.2

OPERATING SEQUENCE

Lockout
Any Process
Control State
Where:
IGNITION: consists of first energizing the ignition coils, then followed by turning on the pilot
•
solenoid(s)
Automatic Recycle is only permitted once the system has proven the main burner flame.
•
Upon flame loss, the system can attempt to relight the flame. If the maximum number of
relight attempts (default set to 3) is exceeded the system will shut down on Flame Fail
Flame Loss event results in detecting an absence of flame that exceeds the Flame Failure
•
Lock-out Time
Previous Lo ckout on B oot
User
Acknowlege
Alarm,
Flame Fail, or
User Stop
Wait
Condition Set
OR
Automatic
Recycle
Main Light Off
Process Control
Auto Restart Enabled
AND No Alarms Present
Power On
Alarm
Condition
Set
Ready
Alarm
Condition
Start
Clear
Waiting
All Wait
Conditions
Clear
Ignition
Flame
Established
Mains too hot
Pilot
Section 2: PF2200-SB PRODUCT DESCRIPTION
Alarm
Page 28 of 85
V 4.0