Operation and Maint.Manual VUD VUF VDF HCD SeriesRev6.doc
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The outdoor and indoor conditions will determine the frequency of filter changes. Temspec
recommends that the filters be changed every 3 months as a rule-of-thumb. Note that dirty
filters will affect the overall performance of the unit.
To change the filters, open / remove the filter access panel by loosening the Phillips head
screws. Unclip the filters and replace.
To clean the evaporator coil, purchase a suitable evaporator coil cleaning solution such as
those offered by NU-CALGON (www.nucalgon.com). Follow the manufacturers instructions
for use.
Note: Chlorine based or anti-fungal “pucks” or “socks” are acceptable when placed in the
evaporator drain pan. Be sure to vacuum the drain pan during the cleaning process.
If the filters are regularly changed, the heating coils do not require cleaning.
WARNING: Do NOT use chlorine-based cleaners or anti-fungal treatments on the
aluminum fins of coil.
Temspec provides motors that are permanently lubricated. No maintenance is required.
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