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Eclipse Veri-Flame Instruction Manual 818-2/02
Table 9.1
Veri-Flame Operating Sequence
POWER ON
Was internal safe start check successful?
EXTERNAL INTERLOCK CHECKS
Is flame signal present?
BURNER START-UP
(see next page)
YES NO
YES NO
YES NO
YES NO
Various lockout messages
Fan output is energized; modu-
lator is sent to low fire.
YES NO
Holds until answer is yes.
Is main valve closed switch made?*
* Applies to purge and no purge models only.
Is voltage present at air flow switch?
Is voltage present at interlock switch?
ERROR MESSAGE
MAIN VALVE FAIL
XX:XX:XX LOCKOUT
ERROR MESSAGE
LIMITS OPEN
TIME = XXXX:XX:XX
NORMAL MESSAGE
FAN ENERGIZED
ERROR MESSAGE #1
UNSAFE FLAME ON
NORMAL MESSAGE
REMOTE DISPLAY
REVISION X.X
Alarm energized.
Fan is energized. If signal is elimi-
nated within 30 seconds, se-
quence continues. If not, then . .
ERROR MESSAGE #2 – 30 SECONDS AFTER #1
UNSAFE FLAME ON
XX:XX:XX LOCKOUT
ERROR MESSAGE #1
UNSAFE AIR SHORT
Alarm energized.
If switch is opened within 30
seconds, sequence continues. If
not, then . . .
ERROR MESSAGE #2 – 30 SECONDS AFTER #1
UNSAFE AIR SHORT
XX:XX:XX LOCKOUT
FOR PURGE & MODULATING
NORMAL MESSAGE
SAFE START OK
Check_Sum = XX