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506 – AIR OUTPUT DURING OPERATION
To suit different processes you can change the behavior of the air valve (or fan)
output during burner operation. It could follow the pilot and/or main fuel valves,
kept always closed, always open, controlled by means of P input at terminal 15 or
through fieldbus command.
507 – AIR FAILURE DURING OPERATION
Determines the behavior at air loss during normal burner operation.
A single recycle (including pre-purge) can be attempted for burners with
occasionally unstable air pressure. The setting is to be determined on the basis of
burner capacity and relevant application standard.
508 – MINIMUM COMBUSTION TIME
An immediate shutdown of the burner, once ignited, is prevented by the
minimum combustion time. Time starts once pilot burner has been successfully
ignited (after first safety time). Any shutdown from local thermostat
ϑ
1 or remote
fieldbus command will be ignored until minimum combustion time has elapsed.
509 – ALLOWED POST-COMBUSTION TIME
Fl
ame signal allowed for 20” once
fuel valves has been closed.
Lockout occurs when the flame is detected after this post-combustion time.
Useful when fuel valves are distant from the burner.
601 – AIR OUTPUT DURING POSTPURGE
To suit different processes you can change the behavior of the air valve (or fan)
output during post-purge (or waiting time).
Air output could be active or inactive.
602 – POSTPURGE TIME
EN298 § 3.1
24
.6
Set post-purge time in forced draught burners according to standards (EN 676).
The flame simulation test is carried out during this time.
The air output behavior during post-purge is defined by parameter 601.
This is a merely waiting time if there is no air control.
70x – ZONE | UNIT | BAUD RATE | TIMEOUT
701
–
ZONE
belonging the burner control.
702
– UNIT belonging the burner control.
ALL ALPHANUMERIC (UPPERCASE/LOWERCASE) CHARACTERS ARE VALID IDENTIFIERS
703
–
BAUD RATE: 4800, 9600, 19200, 38400
704
– TIMEOUT: remote host must send a valid message within the specified time
interval to prevent lockout. Set from 1 to 50 seconds, 0 to disable.
