Viessmann VITODENS 200 Start-Up And Service Instructions page 63

Replacement of Burner Control Unit LGM 29
Setting the dip switch
Boiler model no.
WB2 11-44
WB2 15-60
Installing the replacement circuit board
Dip switch setting
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
Additional Information
(continued)
1. Install new circuit board LGM
29.55
IMPORTANT
Do not remove clear covers on the
circuit board. These provide protection
against static discharge.
2. Connect all plug-in connectors to
circuit board LGM 29.55
including #158 plug.
IMPORTANT
Do not interchange plug-in connectors
"X6" and "X7". None of the other
connectors are interchangeable.
3. Install covers
4. Plug in grounding wire.
5. Insert circuit board VR20
6. Install covers
7.Fold up control unit
using screws.
8.Insert pressure gage
capillaries).
9. Mount control housing
into place with hooks
both sides of the control unit.
.
,
and .
.
and .
and secure,
(do not kink
and lock
located on
63