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Vitotronic 200 and 300-K Installation and Service
Installation Sequence
Closing the control unit cover
1. Install the cover onto the control board.
2. Flip the control board back into position.
3. Secure the locking tabs as shown.
1. Set front enclosure panel on the guide rails and
push in place.
2. Tighten screws at the bottom.
3. Insert the external accessories connection box
cover in place.
Preparing Boilers for Cascade Mode (continued)
Reinstalling the front enclosure panel
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