Eclipse Combustion 5600 instruction manual Power on, Veri-Flame Operating Sequence

Table 9.1 Veri-Flame Operating Sequence

POWER ON

NORMAL MESSAGE

REMOTE DISPLAY REVISION X.X

Was internal safe start check successful?

YES NO Various lockout messages

EXTERNAL INTERLOCK CHECKS

Is flame signal present?

ERROR MESSAGE #1

UNSAFE FLAME ON

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

Alarm energized.

YES

FOR PURGE & MODULATING

ERROR MESSAGE #1

UNSAFE AIR SHORT

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

Alarm energized.

NORMAL MESSAGE

SAFE START OK

Check_Sum = XX

NORMAL MESSAGE

FAN ENERGIZED

Fan output is energized; modu- lator is sent to low fire.

NO			Is main valve closed switch made?*
	Is voltage present at air flow switch?		YES	NO
	YES	NO
			ERROR MESSAGE

MAINVALVE FAIL

XX:XX:XX LOCKOUT

Is voltage present at interlock switch?

YES NO

ERROR MESSAGE

LIMITS OPEN

TIME = XXXX:XX:XX

Holds until answer is yes.

BURNER START-UP

(see next page)

* Applies to purge and no purge models only.

Eclipse Veri-Flame Instruction Manual 818 -2/02

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