Installing The High Limit Safety Cut-Out (Stb); Electrical Connections - Viessmann Vitocell 100-U Installation Instructions For Contractors

Installing the high limit safety cut-out (STB)

!
Please note
Damaged sensor leads (capillary tubes) result in
incorrect sensor functions.
Never route the connecting lead and the capilla-
ries near hot components.
Do not kink the capillary tubes.
4.
Fig. 18
1. Seal in the sensor well.
2. Insert the temperature sensor into the sensor well
as far as it will go.
Note
Never wrap insulating tape around sensors.

Electrical connections

Earth the appliance with the earth conductor at the
"PE" terminal. This cable must have at least the same
cross-section as the power cable. Never loop earth
cables, i.e. never route them from one appliance to
another.
2.
1.
4x
5.
3.
3. Secure the retaining bracket at the selected posi-
4. Slide casing onto retaining bracket.
5. Secure the casing by bending up the tabs.
tion.
Note
Observe the length of the capillary tube.
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