Bleeding the heating system, 4 bleeding the heating system – DE DIETRICH VIVADENS MCR-P 24_28 BIC User Manual

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4. Wait until the temperature drops below 40°C and the radiators

seem cold before filling the central heating system.

5. Open the valve.
6. Close the valve.
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.

2. Set the room thermostat as high as possible.

3. Wait until the radiators are hot.

T000185-A

T000847-A

1

2

3

4

T000181-B

T000183-A

T000184-A

MCR-P 24/28 BIC

5. Checking and maintenance

060513 - 127686-01

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