18
Operating and service documents
1.
Complete and detach the customer registration
card:
■
Hand the system user this part for safekeeping.
■
Retain the heating contractor's part.
2.
File all parts lists, operating and service instruc-
tions in the folder and hand this over to the system
user.
The installation instructions are no longer required
after the installation and, therefore, do not need to
be retained.
Commissioning, inspection, maintenance
Checking the flue for tightness
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