Operating Your Home Ventilation System - Honeywell ER90 Owner's Manual

OPERATING YOUR HOME VENTILATION SYSTEM

STEP 1
Set the master ON/OFF switch located on the Home Ventilation System to
ON or LO position. The switch light should come on. The system will now
operate whenever the fresh air control or dehumidistat is turned on.
STEP 2
Turn the fresh air control knob to start the unit blowers. The indicator light
should light. The fresh air control varies the speed of the blower. This
allows you options for the amount of ventilation. The Home Ventilation
System is a balanced system; the amount of fresh air introduced into the
house is always balanced with the amount of air exhausted from the
house. Increase the ventilation rate if you feel the house is stuffy, or if
there is an above average occupancy rate. In most applications, a
midrange setting on the fresh air control will provide proper ventilation. On
some units, you may also select a HI or LO range when adjusting
ventilation.
STEP 3
When using a dehumidistat, set the dehumidistat to the desired humidity
level. If your heating system has a powered humidifier, be sure the
dehumidistat is set at least ten percent relative humidity above your
humidistat. It may be necessary to lower the humidistat setting to avoid
condensation in the winter. This ensures a proper humidity level in the
home. Set dehumidistat to OFF position for summer operation.
STEP 4
Your system is now fully functional. Perform an occasional check to
ensure that the exhaust and intake outlets for the unit are clear. You
should check that intake outlets are not close to any source of contamina-
tion such as barbecues or automobile exhaust. If you find a source of
contamination close, move it. Be sure to check that the exhaust air is not
being directed to the intake air hood.
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