OPERATING INSTRUCTIONS
HUMIDITY & TEMPERATURE (RH% & TEMP) LOCK/UNLOCK SWITCH
LOCK: This setting locks both the temperature and humidity outlets together making them operate
simultaneously Example: if the sensor detects a reading outside of the programmed Temperature
setting the unit will activate both Temperature and Humidity outlets at the same time Use this
setting if using an exhaust fan for both temperature and humidity control
UNLOCK: Each device is controlled independently Use this setting if using different devices to
control Cooling and Humidity
HUMIDITY SETTINGS
Click each knob (DAY RH%/NIGHT RH%) and turn to set the day/night humidity limit Click each
respective knob once again to confirm the setting
HUMIDITY DEADBAND (HYSTERESIS)
This unit has a 5% relative humidity non-adjustable deadband
HUMIDITY MIN/MAX RECALL
Press the DAY RH% and NIGHT RH% knobs simultaneously to recall the humidity min/max record
HUMIDITY MODE
Set the Humidify/Dehumidify mode switch to control either a humidifier or dehumidifier
TEMP DEADBAND OPTIONS
2/4/6°F (1/2/3°C)
DAYTIME MODE LED/ERROR LEDs/ERROR DISPLAY MESSAGES
The LED labeled DAYTIME MODE will illuminate when the controller is operating in daytime mode
(ie, the photocell is receiving light)
S_SR: If this error message is being displayed, check the sensor's connection to the controller
OUTP: If the controller does not detect even a slight change in humidity or temperature levels
within a 2-hour period, the screen will flash this error code accompanied by illumination of either
the COOLING ERROR, HEATING ERROR, or HUMIDITY ERROR LED Press either of the corresponding
knobs (either of the TEMP or RH% knobs) to reset the error
There are also four error LEDs on the bottom left of the controller These lights will identify which
environmental factor the controller is reporting an error on
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