3 Operation
3.1 Humidity Control Adjustment
The dehumidifier will run continuously until the relative
humidity (RH) is reduced to the humidity control dial
setting. Setting the humidity control to lower RH levels
will NOT increase the unit’s dehumidification rate, it
will simply run longer to reduce the area’s RH to the
setting. The HI-E Dry 100 unit (and refrigerant based
dehumidifiers in general) will reduce a warm space’s RH
to a lower level than that of a cool space.
3.2 Fan Switch
Turning the fan switch ON will cause the unit’s internal
blower to run continuously, whether the unit is
dehumidifying or not. This function is desirable if the unit
is used for air circulation or fresh air ventilation.
3.3 Defrost Control Adjustment
When the HI-E Dry 100 is used in a cool area, frost will
form on the cooling coil as it dehumidifies. When enough
frost forms, the defrost thermostat will initiate the
timed defrost cycle. The cycle periodically turns off the
compressor while allowing the blower to run. The air that
the blower draws through the cooling coil melts the frost.
The defrost cycle is automatic and designed for optimum
performance above 50°F. The defrost timer will cycle the
compressor on for 30 minutes and off for 15 minutes.
3
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