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MCA 15 - MCA 25 MCA 25/28 MI
2
2
1
29/04/2010 - 300022146-001-B
90º
1
T001514-A
1
T001576-A
T001582-A
7.4.7.
Checking the automatic air vent
1. Switch off the boiler electrical power supply.
2. Close the gas valve on the boiler.
3. Close the main gas inlet valve.
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.
7. Checking and maintenance
103
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