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en
7. . Service
w Servicing activities may only be carried out by
personnel who are technically qualified to do
so.
w Before you begin: read the safety instructions.
See also:
1.5 "Safety instructions" on page 11
7.1 Cleaning the plate heat exchangers
Dirty plate heat exchangers can cause inefficient operation and
a high noise level. If they are dirty, clean the exchangers.
The exchangers can be extracted in two ways:
•Via the side.
• Via the underside.
w Set the isolation switch to 0.
1. Open the side shield 1.
n Preferably, also open the side shield if you extract
the exchangers via the underside. This will ensure
that the exchangers are no longer clamped fast.
2. Open the two inspection hatches of the heat ex
changer
m
odule that are located next to the recircul
ation module
2.
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