-
Vacuum dirt from the fan chamber and, if necessary, wipe it with a damp cloth with a common cleaning
agent (e.g. soapy water).
-
With extra care, vacuum dust from the fan
assembly and, if necessary, wipe it with a damp cloth
with a common cleaning agent (e.g. soapy water).
7.2.3. Visual Inspection – Cleaning of Inlet and Drainage Piping
-
A follow-up activity is to check the supply (only if the unit is not equipped with preheating, position 10),
drainage piping.
-
Visually check the piping clearance and remove dirt if clogged (e.g. by bird's nest).
-
Pay special attention when cleaning the supply piping (if the unit is not equipped with preheating) to
prevent damage to the return damper located in the piping.
VACUUM
THE
DRAINAGE
PIPING
AND WIPE
IT FROM
OUTSIDE
UNIT WITH PREHEATING – VACUUM THE SUPPLY
PIPING OR WIPE IT FROM OUTSIDE (BE CAREFUL NOT
TO DAMAGE THE DAMPER IN THE PIPING)
UNIT WITHOUT PREHEATING – VACUUM THE SUPPLY
PIPING AND WIPE IT FROM INSIDE (BE CAREFUL NOT
TO DAMAGE THE DAMPER IN THE PIPING)
47
Version 1 – GBR(23/06/2021)
D-502-0152
Fig. 42
7.2.2. Visual Inspection – Cleaning of Preheating,
if fitted with the unit (XR1-xxx-ECxxxxP...)
-
After cleaning the fan assembly, check the preheating condition (position 10) in the drain pipe.
-
Vacuum preheating if there is dust.
-
Never remove the preheating or clean it with a damp cloth.
Fig. 43
Fig. 44
