4
For contractors
Base controller BC10 - Subject to technical modifications.
10
4
For contractors
4.1
Inserting the programming unit
B
Disconnect the heating system from the mains power
supply.
B
Only if gas is used as fuel: close the main gas tap.
The programming unit can either be installed in a living
area or at the BC10 base controller.
1. Push the release tabs at the top and bottom of the
fascia simultaneously.
2. Remove the fascia from the base plate by pulling in the
direction of the arrow.
Fig. 9
Removing the fascia
3. Hook the programming unit in the direction of the
arrows into the top edge of the base plate.
4. Push the programming unit lightly upwards until it
snaps into place.
Fig. 10 Hooking the RC3x programming unit into place
4.2
Removing the base controller
1. Undo screws at the cover of the MC10 control unit.
2. Lift off the cover.
Fig. 11 Removing the cover
3. Undo the electrical plug-in connections from the
control unit.
4. Remove the base controller from the control unit.
Fig. 12 Removing the base controller
Generally installation and service work must
only be carried out by a heating contractor.
3.
4.
DANGER:
Risk to life from electric shock!
B
Ensure that electrical work is only carried
out by an authorised electrician.
B
Isolate the heating system from the power
supply before opening the control unit.
B
Safeguard the heating system from
unintentional reconnection.
