Tech Sheet for Miscellaneous Controls (VF5602-42AA-NEW)

Table 9.1 Veri-Flame Operating SequenceNORMAL MESSAGEREMOTE DISPLAYREVISION X.XERROR MESSAGE #1UNSAFE FLAME ONPOWER ONWas internal safe start check successful?YES NOEXTERNAL INTERLOCK CHECKSIs flame signal present?YES NOVarious lockout messagesIs main valve closed switch made?*Fan is energized. If signal iselimi-nated within 30 seconds,FOR PURGE & MODULATINGIs voltage present at air flow switch?YESNOERROR MESSAGE #2 – 30 SECONDS AFTER #1UNSAFE FLAME ONXX:XX:XX LOCKOUTAlarm energized.ERROR MESSAGE #1UNSAFE AIR SHORTIf switch is opened within 30seconds, sequence continues. IfYESNOERROR MESSAGEMAIN VALVE FAILXX:XX:XX LOCKOUTERROR MESSAGE #2 – 30 SECONDS AFTER #1UNSAFE AIR SHORTXX:XX:XX LOCKOUTAlarm energized.Is voltage present at interlock switch?NORMAL MESSAGESAFE START OKCheck_Sum = XXNORMAL MESSAGEFAN ENERGIZEDYESNOERROR MESSAGELIMITS OPENTIME = XXXX:XX:XXHolds until answer is yes.Fan output is energized;modu-lator is sent to low fire.BURNER START-UP(see next page)* Applies to purge and no purge models only.34Eclipse Veri-Flame Instruction Manual 818-6/06