Installation and operating instruction
Combustion manager W-FM 100 und W-FM 200
6 Operation
83054802 1/2018-07 La
118-228
6.11.1 Operating mode CO function
Param & Display
O2Ctrl/Limit
COx
OptgMode COx Gas
OptgMode COx Oil
On dual fuel burners, the CO monitor and CO controller can be activated or deac-
tivated for each fuel separately.
Setting
Function
deactivated
CO controller and CO monitor are deactivate.
COx Alarm
Only the CO monitor is activated.
COx control
CO controller and CO monitor are activated.
6.11.2 Time delay limit value exceeded
Param & Display
O2Ctrl/Limit
COx
Time COx Alarm
Parameter
Time COx Alarm
determines the time delay until a safety shutdown
with repetition is carried out if the CO limit value is exceeded. If the number of re-
petitions is exceeded, the W-FM initiates a lockout. The number of repetitions de-
pend on the repetition counter of the O
2
monitor (
NumMinUntilDeact
). see
If the CO content exceeds the limit value, the time delay must be long enough to al-
low the burner to drive to higher excess air.