10
Maintenance Method (continued)
3)
Use a vacuum cleaner to remove dust and dirt from the element's
surface.
Caution
■
Whenever the Heat Exchange Element was damaged, order the sales
shop or the engineering office. (Separately sold)
4)
When cleaning is completed, return the Heat Exchange Element
and filter to their former positions, and close the Inspection cover
and tighten the screw.
Caution
●
Use a brush attachment on the vacuum cleaner nozzle.
Clean with a light, brushing action.
Avoid using a hard nozzle as it may disfigure the heat exchange foils.
●
Never use water to clean the Heat Exchange Element.
●
Make absolutely sure to install the filter with an indication of
“
” turned toward the Heat Exchange Element side.
Failure to do so will lead to clogging of the heat exchange foils and
reduced performance.
●
Insert the heat exchange element right side up, with the label
marked
facing toward you.
Nozzle
Mark
FY250_OM-EN.fm Page 10 Friday, June 7, 2002 1:20 PM