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Freshman Series - Owner's Manual - Installation, Operation, and Service Instruction - Version 1.1 EN
5.7 Cleaning Energy Recovery Filters
Dirty air lters will cause air ow reduction through your unit. If excessive air loss
occurs, the unit may freeze up when in the air conditioning mode, or cycle on high
and limit safety controls during heating mode. If this condition persists the unit may
be locked out by the safety circuits.
Each unit will be equipped with a 1/4” washable lter in two locations.
Cleaning Energy Recovery Filters
Cleaning Filters is recommended once a month or as required.
1. Turn OFF electrical supply to unit.
2. Open the upper and lower front service panels with the key provided. Keys may
vary.
3. Slide out dirty lters (Fig. 5) wash with water, ushing in opposite direction of air
ow, let dry and replace.
4. Close the upper and lower front service panel and lock with key.
Figure 5 | Removing Energy Recovery Filters
Washable Filters
Filter Cover
Never operate unit without a
damage internal components
and/or cause a loss of
HAZARDOUS VOLTAGE
Disconnect all power before
Failure to observe this
instruction may result in
death or serious injury.
General Preventative Maintenance
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