Control Connections
55
Installing the Programming Unit of the Control
Closing the control unit and inserting the programming unit
1.Install the cover onto the control
board.
2.Flip the control board back into
position.
3.Secure the locking tabs as shown.
4.Install the Vitotronic, programming
unit.
5.Close control unit cover.
Reinstalling the front enclosure panel
1. Set front enclosure panel on the
guide rails and push in place.
2. Tighten screws at the bottom.
Read and follow, where applicable, the
safety instructions of all labels and
stickers attached to boiler surfaces. Do
not remove any of these instructions.
Contact Viessmann if any replacement
labels are required.
5418 909 v1.6
2.
1.
5.
4.
3.
Fig. 52
1.
2x
Fig. 53
2.
IMPORTANT
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