DE DIETRICH VIVADENS MCR 24, MCR .._.. MI - Manual (Page 22)

4. Wait until the temperature drops below 40°C and the radiators
seem cold before filling the central heating system.
5. Open the disconnector valves.
6. Close the disconnector valves when the manometer indicates a
pressure of 2 bar.
7. After filling the installation, switch the boiler on.
8. Set the room thermostat or the regulator.
9. Set the radiator valves.
CAUTION
Filling and bleeding the installation 2 times a year should
be sufficient to obtain an adequate hydraulic pressure. If
it is often necessary to top up the installation with water,
contact your fitter.
5.4 Bleeding the heating system
It is essential that you bleed any air in the calorifier, the conduits or
the taps to prevent the annoying noises likely to be produced during
heating or when tapping water. To do this, proceed as follows:
1. Open the valves on all radiators connected to the heating system.
T000185-A
1
2
T000136-A
2
1
2 bar
T000137-A
1 2
3
4
T000181-B
5. Checking and maintenance MCR 24 MCR 24/28 MI MCR 30/35 MI MCR 34/39 MI
21 160513 - 300015874-001-01