9
69-0854
MAINTENANCE INSTRUCTIONS FOR THE FRESH AIR VENTILATION
SYSTEM
CAUTION
Electric shock hazard.
Can cause personal injury or equipment damage.
Before doing maintenance, disconnect power to the ventilator by
unplugging the power cord.
NOTE:
Your Fresh Air Ventilation System must be maintained on a
regular basis for the best efficiency. Honeywell recommends
the Fresh Air Ventilation System be cleaned and checked at
least twice a year, preferably at the start of each heating and
cooling season.
Check and/or Clean as Follows:
HEAT TRANSFER CORE AND FILTERS
The room air filter, fresh air filter and the heat transfer core are removed
from the ventilator as a unit.
1. Remove the drain hose(s) from the bottom of the check valve. Turn
the check valve and fitting out of the bottom of the ventilator. Use a
wrench or pliers to loosen the fitting, if necessary. See Fig. 2.
