VISIONPRO
®
8000 WITH WI-FI
®
61 33-00096—01
NOTE: The thermostat will not lower the fan speed when
the second stage of cooling is on.
Set up Dehumidification With Cooling
System
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. 125.
Fig. 125.
Fig. 126.
2. Select the terminals wired to the A/C with Low Speed
Fan. See Fig. 127.
Fig. 127.
3. Select whether the U1 terminal are Normally Open or
Normally Closed. See Fig. 128.
• Normally Open – contacts are normally open and will
close during a call for dehumidification
• Normally Closed – contacts are normally closed and
will open during a call for dehumidification.
Fig. 128.
4. Set the Overcooling Limit. See Fig. 129. Options:
• 0 °F to 3 °F (A/C with Low Speed Fan)
• 1 °F to 3 °F (A/C with High Speed Fan)
Fig. 129.
NOTE: ISU 1014 gives the option to lockout ventilation
on calls for dehumidification. This helps main-
tain the desired humidity level.
Dehumidification using a Whole House
Dehumidifier
The Whole House 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 Whole House
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. 130.
Fig. 130.
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