Weishaupt W-FM 200 User Manual

Installation and operating instruction
Combustion manager W-FM 100 und W-FM 200
7 Commissioning
83054802 1/2018-07 La
188-228
7.6 Flue gas recirculation (temperature compensated)
Prerequisite
Prior to adjusting ensure that:
the insulation measures on the FGR line have been completed,
the burner was initially adjusted with FGR damper closed,
excess air in each load point without FGR is approx.25 … 30%,
the FGR duct is not blocked,
the FGR sensor is connected and defined.
1. Enter password
Select Param & Display.
Select Access with HE (password for heating engineer).
Enter HE password using dial knob and confirm with [ENTER] [ch.6.2.1].
2. Set operating mode
Select Flue Gas Recirc..
Select FGR-Mode.
Set operating mode TCautoDeact using dial knob and confirm with [ENTER].
3. Set release time
The time depends on the the warm-up phase of the plant [ch.6.15.5].
Select DelaytimeFGR … for the relevant fuel.
Set operating mode 60s using dial knob and confirm with [ENTER].
Use [esc] to return to the display Flue Gas Recirc .
4. Editing load points
Select CurveParams.
Press [ENTER].
The menu displays Point, Manual and the current actuator positions.
Select Point and confirm with [ENTER].
Select load point using dial knob and confirm with [ENTER] key.
Confirm query Change point? with [ENTER].
Confirm query With start with [ENTER].
5. Set NOX required
Select Aux3 using dial knob and confirm with [Enter].
The display shows the current temperature at the FGR sensor under FGR-T .
Once the temperature and the NOX value in the load point have stabilised, the re-
circulated flue gas quantity can be set.
Open the flue gas damper (Aux3) using the dial knob whilst monitoring combus-
tion values (excess air min 15%) and flame stability.
Confirm with [ENTER] when:
the required NOX value has been reached,
the FGR temperature is stable.
Exit point using [esc] and save with [ENTER].
The recirculated flue gas quantity dependents on the position of the FGR damper
and the negative pressure in the air regulator. If the recirculated flue gas quantity is
insufficient, increase the negative pressure in the air regulator [ch.6.15.1].
Increase VSD (FC), only in conjunction with frequency converter.
Close air damper (Air).

Weishaupt W-FM 200 Specifications

General

Brand	Weishaupt
Model	W-FM 200
Category	Controller
Language	English