Checking The Automatic Air Vent; Checking The Safety Valve; Checking The Siphon - DeDietrich Innovens MCA 35 Installation And Service Manual

7. Checking and maintenance
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98
7.4.5.
1. Switch off the boiler electrical power supply.
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2. Close the gas valve on the boiler.
3. Close the main gas inlet valve.
Gas/Gaz
4. Unscrew the two screws located under the front panel by a quarter
turn and remove the panel.
5. Tilt the control box forwards by opening the holding clips located
at the sides.
6. Check whether there is any water in the small hose on the
automatic air vent.
7. If any leaks are detected, replace the air vent.
90º
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R000074-B
7.4.6.
1. Take out the flow collector located under the boiler.
2. Check whether there is any water in the end of the flow pipe on
the safety valve.
3. If any leaks are detected, replace the safety valve.
7.4.7.
1. Remove the siphon and clean it.
2. Fill the siphon with water.
3. Put the siphon back in place.

Checking the automatic air vent

Checking the safety valve

Checking the siphon

MCA 35
15/06/12 - 300022160-001-01