21
ENGLISH
Installation Instructions
- make sure that all the connections are watertight.
- after commissioning the boiler (see par. 3.10) and
bringing the system to the operating temperature,
stop the boiler and repeat the air bleed operations.
- let the system cool down and, if necessary, return
the water pressure to 0.8/1 bar.
(See par. 4.4).
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