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MCA 25/28 BIC
2
2 bar
1
15/06/12 - 300022162-001-01
5. Open the cold water inlet and heating outlet valves.
T001620-A
6. Open the disconnector valves.
1
T001618-A
7. Close the disconnector valves when the manometer indicates a
pressure of 2 bar.
2
T001619-A
8. After filling the installation, switch the boiler on.
When water is added, air gets into the heating system.
Degas the installation. After the air has been vented, the
water pressure can drop below the required level. Check
the water pressure in the heating system. If the water
pressure is lower than 0,8 bar, more water should be
added.
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. Checking and maintenance
28
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