13
®
MESSAGES
There are two types of messages shown on the ED510 message center:
1.
Normal program start-up and stop messages.
2.
Alarm - Lockout messages
RUN MESSAGES
DESCRIPTION
The burner has stopped. It is waiting for a demand for heat to burner sequence
again.
Dipswitch #6 (3-P Prove Open To Start) is set in the Down position (Enabled).
The control is waiting for the safety circuit (3-P) to open before proceeding. Max-
imum waiting time is 30 seconds before a lockout will occur.
*
The control is waiting time (maximum 30 seconds) for the non-recycling inter-
locks to close.
The control is waiting time (maximum 180 seconds) for the high purge interlock
(D-8) to close.
Prepurge in progress, counting 1 second to 15 minutes.
†
The control is waiting (maximum 180 seconds) for the modulator to run to the
LOW position, waiting for the low fire circuit (M-D) to close (10 second mini-
mum).
Unsupervised pilot trial for ignition time (maximum 5 seconds).
Pilot flame signal during pilot proving time.
Main burner signal during supervised main trial for ignition.
Main burner signal during burner operation.
Post purge timing of 10 seconds (20 seconds in case of flame failure or ignition
failure)
*
Dipswitch #6 enables or disables this requirement. See “Dipswitches for Selectable Operation.”
†
Dipswitches #3, #4, and #5 extend the purge timing from 1 sec. up to 15 min. See “Dipswitches for Selectable Operation.”
STANDBY
L1-3 OPEN
WAIT STANDBY
SAFETY CIRCUIT CLOSED
WAIT PURGE
00:10
SAFETY CIRCUIT OPEN
WAIT PURGE
00:10
D-8 LIMIT OPEN
PURGE
00:05
HIGH FIRE PURGE
HOLD PURGE
00:10
M-D LIMIT OPEN
PTFI
IGNITION TIMING
PTFI
PILOT PROVING
MTFI
FLAME SIGNAL
AUTO
FLAME SIGNAL
POST PURGE
CYCLE COMPLETE
