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Vitodens 100-W, B1HE/B1KE Combi Installation/Service
Closing the Junction Box
Do not operate the control unit without a “junction box
lid”. The junction box lid in the control unit enclosure
separates the mains and extra low voltage potential and
seals it off from the air box.
The junction box lid must be fitted when replacing the
control unit or closing the control unit enclosure.
Legend
A Lightguide (at the top)
B WiFi label
IMPORTANT
Fitting the Programming Unit and Front Panel
Programming unit located at the bottom
1. Place the junction box lid on the junction box.
2. Secure in place with latches.
Installation
1. Release the tabs on the boiler control base.
2. Pull the control base straight out.
3. Re-install the control base into the base of the boiler.
Note: steps 1 to 3 are only required if the control
base is in the service position.
4. Install the front panel.
5. Install the programming unit in the control base.
Note: Before installing the programming unit remove the
WiFi labels from the back of the programming unit
and apply one label B on the programming unit,
one in these instructions and one in the operating
instructions.
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