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www.enviromaster.comCAC Cassette Evaporator 20
MAINTENANCE AND TROUBLESHOOTING PROCEDURE
MAINTENANCE
Service should be performed by a
qualifi ed service agency.
An annual sys-
tem check is recommended. EMI units are
designed and constructed for reliability
and long life with minimal maintenance. To
insure peak operating effi ciency:
1. Clean air fi lter(s) on a monthly basis:
a) The filter(s) are accessed by
removing the air intake access
grille(s).
2. Remove the fi lter by carefully twisting and
lifting to clear the retaining clips.
4. Replace the fi lter
by sliding under
retainer clips.
5. Or use a garden hose:
• Remove the grille and fi lter and
hose off.
• Let fi lter(s) and grille(s) dry before
replacing.
Turn the POWER OFF to the unit be-
fore servicing or cleaning.
WARNING
3. Lift the fi lter off the grille. Place fi lter on
a fl at surface and vacuum any away dust
and debris (vacuum all fi lters and grills),
also vacuum any accessable parts on
the unit.
Small
Unit
Shown
Shown
4. Replace the fi lter
by sliding under
Small
Unit
Shown
6. The unit may be wiped with a damp cloth
when needed.
Note: Do not run the unit without the fi lter(s)
or the grille(s).
7. Be sure to replace fi lters and grill before
running the unit.
Allowing dust to collect on the fi lter
will cause the unit to lose effi ciency
and may eventually malfunction.