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Compact wall-mounted units KWL EC 500 W ET R/L
Installation and Operating Instructions
6 .0 Frequently asked questions
CHAPTER 6
FREQUENTLY ASKED
QUESTIONS
Question
Reason
Remedial action
1 . Condensation outlet
not functioning
a.) Siphon leaking
> Check for tightness
b.) Floating ball in the siphon housing dirty
or non-existent
> Clean or insert floating ball
(section 2.2)
c.) Siphon clogged
> Clean siphon
d.) No gradient
> Adjust installation
2 . Loud operating noise
a.) Filter dirty
> Clean/replace filter
b.) Filter accessories (SEWT, LEWT)
dirty
> Clean/replace filter
c.) Transport lock on exhaust air fan
not removed
> Remove transport lock
(section 2.2)
d.) Commissioning performed
incorrectly
> Re-measure volume flows
EN
