Carrier 33CS420-01 Owner's Manual page 47

Adjusting the Dehumidi_ca_bn Setpo&t
Dehum Terminal: Ifa 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. See page 10.4 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
de-energized. The value for this setpoint ranges from 25% to 99%.
NOTE; Due to variations in environmental conditions, it is not always
possible to achieve the desired humidification or dehumidification setpoin_
HUMIDfTY
@ Press the HUMIDITY button
to enter the Humidification NOTE: Each step # is located at
Setup screens, rob. _he top right corner of the
display for easy reference
MOD__._J Press the MODE button once ,j
_P
Set_A_
Press
Pressthe HUMIDITYbuttonto leave the Humidity
Controlscreens(if no buttonsare pressed,the display
will leavethe HumidityControl screensafter 30seconds).
Dehumidification Notes: Press the ,;:ii,_ button to set the
dehumidification setpoint to 99% for no dehumidification operation.
This will Iockout Advanced Setup steps 9 and 10 (see page 10.4).
You canr_ot set the (leh_rrli(liry setpolnt ar_y lower than the h_rrli(liry setpo_nt a
5°/, differential is forced betweerl the hurrlidify and dehumidify setpoints
Page 10.3