6. Checking and maintenance
6.3
Filling the system
T000182-A
23
4 Clean the outside of the boiler using a damp cloth and a light
The water pressure in the boiler must be between 1,5 and 2 bar. Add
water to the installation if necessary. To do this, proceed as follows:
1. Open the valves on all radiators connected to the heating system.
T000181-B
2. Set the room thermostat to as low a temperature as possible.
3. Switch off the boiler electrical power supply.
T000155-A
detergent.
CAUTION
Only a qualified professional is authorised to clean the
inside of the boiler.
MCR-P 24/28 BIC PLUS
170915 - 127686-04