User Guide

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Santa Fe Impact105 / Impact155 Installation & Operation Instructions Santa-Fe-Products.com | 800.533.7533
Operation
Humidity Control Adjustment
The humidity control is an adjustable switch that turns the dehumidier on and off. It turns on when the relative humidity
(RH) rises to the dial set point. It turns off when the RH is within ±5% of the set point.
Approximate Humidity Levels Per Setting
“Drier” 35% to 45% Relative Humidity
“Normal” 45% to 55% Relative Humidity
(Recommended for most applications)
“Humid” 55% to 65% Relative Humidity
The dehumidier will run continuously until the RH is reduced to
the humidity control dial setting. It is not recommended to set
the humidity control to “dry” in rooms under 65°; doing so will
result in long periods of ineffective dehumidier run time.
To turn unit on, turn the humidity dial clockwise to the
recommended “NORMAL” position and set fan control to
“FAN AUTO.” To turn the unit off, turn the humidity dial
counter clockwise to the “OFF” position and set fan control
to “FAN AUTO.”
Defrost Cycle
This product includes a defrost thermostat. This feature prevents internal damage caused by excessive frost forming
within the unit. When the unit is experiencing excessive frost the system will stop dehumidfying and the fan will run until
normal operating conditions are present.
Fan Operation
Turning the fan switch “FAN 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 ltration. Turning the fan switch to
“FAN AUTO” (recommended) will cause the unit’s internal blower to run only while the unit is dehumidifying.
The Acurite Hygrometer (part number 4038844) is available to accurately monitor humidity levels.
Please contact your dealer or order online.
CAUTION!