VISIONPRO
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33-00096—01 66
• Normally Closed – contacts are normally closed and
will open during a call for dehumidification.
Fig. 147.
4. Set the Dehumidification Control. See Fig. 148. For more
information about these options, see “Dehumidification
using the Cooling System” on page 65.
Fig. 148.
NOTE: ISU 1014 gives the option to lockout ventilation
on calls for dehumidification. This helps main-
tain the desired humidity level.
Dehumidification using a Dehumidifier
The Dehumidifier option requires a dedicated unit for
dehumidification. The thermostat can be set to control
dehumidification in all modes (Heat, Off, Cool [ISU 912]).
Set up Dehumidification With Dehumidifier
Some screens shown in this section may not appear on the
thermostat, depending on how you set up dehumidification.
1. Select the Dehumidification Equipment in ISU 900. See
Fig. 149.
Fig. 149.
2. Select the terminals wired to the Dehumidifier. See
Fig. 150.
Fig. 150.
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