AUTOFLAME MK8 User Manual

2
Options & Parameters
Flame Safeguard (MM80001/FSG) Manual
Page | 53
Opt. #
Default
Range
Description
118
0
BC: Post-Purge Time
If set, a post-purge will occur after a normal burner shutdown. This time set
should allow for the servomotors to travel from low fire to purge position.
The flame is not checked during post-purge. See option/parameter 135 for
NFPA post-purge. Time remaining for the post-purge process to complete
is displayed on the main MM screen.
0 – 100
Seconds (for option/ parameter 135 set to 0 or 2)
0 – 100
Minutes (for option/ parameter 135 set to 1 or 3)
119
10
BC: Control Box Recycle Time
3 – 120
This is the time delay between the burner shutting down, and going through
post-purge if optioned, and the burner starting up again.
Seconds
120
10
BC: UV Threshold
5 – 50
This is the minimum flame signal strength, if the flame strength is lower than
this threshold, a lockout will occur. The UV counts will stabilise at 5 times
this value when increasing, and 3 times this value when decreasing.
UV counts
121
5
BC: Delay from Start of Pre-Purge until Air Switch Checked
5 – 10
This time delay where the air switch is not checked is included within the
total pre-purge time set in option/parameter 112.
Seconds
122
0
BC: Flame Sensor Selection
0
UV
1
Flame Switch
2
IR
3
IR and UV
4
IR or UV
123
3
BC: Oil Second Safety Time – Main Trial For Ignition (MTFI)
3 – 15
This is the time period when the main valves are open and the pilot valve
is maintained open, before the flame is checked, for firing on oil. See
options/parameters 150 – 153. This does not apply for intermittent pilot,
see option/parameter 111. For firing on gas, see option/parameter 116.
Seconds
124
0
BC: Timeout on Reaching Purge
If the MM is stuck in Run to Purge or Run to Post-Purge because the
servomotors and VSDs are moving to the purge position, then a lockout will
occur after this timeout set in this option has elapsed. This does not
apply to any requirements on purge timing such as any additional proving
inputs.
0
Disabled
1 – 3600
Seconds

AUTOFLAME MK8 Specifications

General

Brand	AUTOFLAME
Model	MK8
Category	Controller
Language	English