Carrier
Adjusting the Dehumidification Setpoint
Dehum Terminal: If a MISC terminal is selected for DEHUM operation (see page 10.2), then the thermostat will provide power to this terminal when the humidity in the building is above the setpoint you have chosen. See page 10.6 for detailed programming instructions. To utilize this feature your HVAC unit must be equipped with a DEHUM terminal.
Cool to Dehumidify: If the thermostat is programmed for Cool to Dehumidify operation, then the thermostat will energize the cooling system any time the humidity in the building is above the setpoint you have chosen. The thermostat may also be programmed for Reheat operation if available. See pages 10.4 and 10.5 for detailed programming instructions.
In each case, when the indoor humidity falls below the setpoint you have selected, Cool to Dehumidify and the MISC terminal will be
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NOTE: Due to variations in environmental conditions, it is not always possible to achieve the desired humidification or dehumidification setpoint.
HUMIDITY
MODE
Press the HUMIDITY button to enter the Humidification Setup screens.
Press the MODE button once
NOTE: Each step # is located at the top right corner of the display for easy reference.
ON / + | Current Room Humidity |
| 40 | 99 | 2 | |
| DeHumidify | Setup | ||||
Adjust the desired |
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dehumidification setpoint |
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OFF / - |
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Press
HUMIDITY
Press the HUMIDITY button to leave the Humidity Control screens (if no buttons are pressed, the display will leave the Humidity Control screens after 30 seconds).
Dehumidification Notes: Press the 
button to set the dehumidification setpoint to 99% for no dehumidification operation. This will lockout Advanced Setup steps 10, 11, and 12 (see pages 10.4 - 10.5).
You cannot set the dehumidify setpoint any lower than the humidify setpoint; a 5% differential is forced between the humidify and dehumidify setpoints.
Page 10.3
