Cleaning and maintenance
2500 h / annually
19
CAUTION!
Avoid operation with damaged seals
Never operate the boiler with damaged seals.
Otherwise, leak air is sucked in, disturbing the
combustion process and causing increased wear.
Always replace seals as soon as they are
damaged.
Close heat exchanger cover
Position the heat exchanger cover carefully.
Fig. 2-32: Heat exchanger cover
Turn both ball knobs through 180° to secure the heat
exchanger cover. Then tighten the two knurled nuts
evenly and cross-wise by turning them clockwise.
Fig. 2-33: Knurled nuts and ball knobs
Put the insulating cover back on.
Fig. 2-34: Insulating cover
Содержание HACK 20 kW
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