Installation and operating instruction
Combustion manager W-FM 100 und W-FM 200
6 Operation
83054802 1/2018-07 La
100-228
6.10.2 O2 monitor
Param & Display
O2Ctrl/Limit
GasSettings
OilSettings
O2 Alarm
O2 Alarm
O2 MaxValue
NumMinUntilDeact
The W-FM monitors the O
2
content in the flue gas using a sensor on the O
2
mod-
ule. The limit values for the O
2
alarm are defined using parameters
O2 MinValue
and
O2 MaxValue
.
O
2
minimum monitor
In parameter
O2 Alarm
, the setting under
O2 MinValue
stipulates the lower
limit for the O
2
monitor.
If the O
2
content in the flue gas drops below this lower limit for more than
3 seconds, the W-FM reacts in accordance with the operating mode set
[ch. 6.10.1].
An
O2 MinValue
has to be defined as the lower limit in each load point. The
O2 MinValue
results from the O
2
content in the flue gas at the combustion limit.
The
O2 MinValue
can be entered direct at each load point or can be determ-
ined by reducing the air rating:
Select menu
O2 Alarm
and confirm with [Enter].
Select load point using dial knob and confirm with [ENTER] key.
Select entry type
1
or
2
.
Operating mode
O2 trim
O2 monitor
Control parameters
O2 monitor
O2 MaxValue
NumMinUntilDeact
Point: 1 13.9%
O2 MinValue :XXXX
P-Air manual:
Point: 9 100%
O2 MinValue :XXXX
P-Air manual:
Point: 9 100%
O2 MinValue :XXXX
P-Air manual:
Point: 9 100%
O2 MinValue :XXXX
P-Air manual:
1
2
1
Direct entry (
O2 MinValue
)
If the O
2
min value for the load point is known, the value can be assigned dir-
ectly.
2
Determine O
2
min value (
P-Air Manual
)
The air rating is reduced manually in the load point, the O
2
content is determ-
ined and saved as
O2 MinValue
.
Summary of Contents for W-FM 100
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