24
S E R V I C E H E R U S
• The filters should be changed once a year or at
alarm for filter change. After alarm for Filter
Change, this should be done as soon as possible; as
there can be a risk that the adjusted flow is not
obtained.
• Always turn off the electrical supply and ensure
that it cannot be turned on.
• Open the lid by removing the four screws in
every corner. Do not remove the protective plates
that covers the fans and rotor.
• The filters are taken out by pulling them straight
out from their fastening strips .
When changing filters once a year, it is also appro-
priate to check if the fans are dirty.
• Remove the the fans and rotor’s protective plates
when the fans have stopped and the heater has co-
oled.
• The fans are taken out by removing the screw
and pulling it straight out from the unit , after
the quick connectors have been disconnected .
Dismount the motor plate from the fan housing
(the outer screws) and lift out the motor with the
fan wheel. If necessary the fan wheel and fan hou-
sing are wiped clean with a damp cloth. The inte-
rior of the unit housing can be wiped when neces-
sary.
• If necessary the rotor 1 can also be dismounted
(see Dismounting).
1
6
3
10
6
1
8
9
11
2
3
7
15
15
4
2
16
16
16
CLEANING/FILTER CHANGE
