
B–62075E/04
2. HARDWARE
182
It is necessary to regulary clean the heat transformer, because the heat
transformation ability will be reduced by the accumulation of dust. The
frequency of the cleaning needed differs according to the installation
environment and therefore should be determined by your own judgment
accordint to the degree of dirt.
Air filter cleaning and replacement method
1 When cleaning and replacing the filter, be sure to cut off the fan’s
electric power source.
2 Detach the filter cover and take out the filter inside.
Detach the cover by pressing, the flanges
which are in the grooves of both sides
towards the inside by minus screwdriver, etc.
3 Protect the filter from silting due to dust by blowing air on both sides.
4 When dirt is conspicuous, press wash with a neutral detergent, rinse
with fresh water, and the washing, allow to dry naturally. When
replacing with the same product.
5 Insert the filter in the cover, align the flange in the groove, and install
by pressing. Confirm that the cover will not come loose even if it is
pulled.
2.11
MAINTENANCE OF
HEAT PIPE TYPE
HEAT EXCHANGER