3
21
System functions
3.9.1 Inspecting the heat exchanger and fans
The fans and the heat exchanger must be inspected
once every 4 years.
•
Disconnect
the power from the ComfoAir.
•
Remove
the fi lters (B) from the ComfoAir.
•
Release
the front panel by unscrewing the
screws (C).
•
Slide
the front panel upwards and
remove
the
front panel from the ComfoAir.
•
Release
the cover panel by unscrewing the
screws (D).
C
B
A
D
When reassembling the front cover, the
lower section must
fi
rst be inserted be-
hind the raised edge to ensure a good
seal.
ComfoAir – Left-hand version
•
Pull
the strap (E) to remove the heat exchanger
and the leakage tray (F).
•
Remove
the bypass duct (G) in the
left-hand
version of the ComfoAir.
ComfoAir – Right-hand version
•
Remove
the bypass duct (G) in the
right-hand
version of the ComfoAir.
•
Pull
the strap (E) to remove the heat exchanger
and the leakage tray (F).
E
F
G
Left-hand
E
F
G
Right-hand
•
Remove
the heat exchanger from the leakage
tray (F).
The heat exchanger may contain some re-
sidual water!
•
Clean
the heat exchanger, if so required.
–
Submerge
the heat exchanger in hot water
(max. 40 °C). Do this a couple of times.
–
Rinse
the heat exchanger with clean hot tap
water (max. 40 °C).
–
Clasp
the heat exchanger between both
hands (on the coloured side surfaces) and
shake the water from the heat exchanger.
Do not use aggressive cleaning agents or
solvents.
Do not
re-install the heat exchanger yet. The fans
also need to be inspected. The steps below explain
how to remove, inspect and (if required) clean the
fans (after cleaning the heat exchanger) :
•
Remove
the small plastic panel (I) in front of
the PCB panel by unscrewing the two screws.
•
Release
the connectors (J) and the earth wire on
the PCB panel and fully remove the cables in-
cluding the two grommets (K).
•
Remove
the entire scroll casing (L) by pressing
the click fasteners (M).
•
Remove
the infl ow nozzle (N) by pressing the
click fasteners surrounding the scroll casing.
Summary of Contents for ComfoAir 350
Page 1: ...ComfoAir 350 Manual...
Page 39: ......
