30
7.4.3. Filter Change for CV 80-200, DV 1000,
AM 100, 300, 500, 800, 1000
These units are tted with an exhaust air lter (M5 only)
and one or two fresh air lters (M5, F7, F9) unless tted
with a cooling module, in which case the air handling unit
will only have one exhaust air lter.
NB! DV 1000: Remove the condensate hose and
condensate drain plug from one base pate to drain
the condensate before opening the base plate.
NB! When changing lters, the unit must be switched
o (press function button for at least 2 seconds),
disconnected from the mains and prevented from
being switched on.
• Carefully open the base plate while it is supported.
NB! Open the side of the wall frame rst. The base
plate is heavy (AM 300, 500 and 800 only).
•
Slacken the base plate(s) or EPP covers (certain
models only) and pull the old lters out of their
frames.
•
Clean the inside of the unit and supply air duct,
check component condition and cleanliness. Clean
the components if necessary.
• Insert new lters with the correct direction of ow
in the lter frames. The arrow on the side of new
lters shows ow direction. The arrow must point
into the unit. Fit the retaining plate(s) or EPP covers
(certain models only).
• Close the base plate, lock covers.
• Reconnect to the mains and start the unit.
• Reset service. See “Reset Service” on page 29.
Filter position:
AM 300, 500, 800 H: Supply air lter (1) and exhaust air
lter (2) without retaining plate.
AM 300V: Fresh air lter (1) behind a retaining plate,
exhaust air lter (2) without retaining plate.
AM 500V: Two fresh air lters (1) visible behind a retaining
plate, exhaust air lter (2) without retaining plate.
AM 800V:Two fresh air lters (1) visible behind a retaining
plate under one exhaust air lter (2) with retaining plate.
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