Honeywell TH8321 - DEHUMIDIFICATION SETUP - WHOLE HOUSE DEHUMIDIFIER; Dehumidifier Equipment and Wiring; Setting Up Dehumidifier Fan Control and Lockout

VISIONPRO® 8000 SMART THERMOSTAT
61 33-00096—04
1. Select the Dehumidification Equipment in ISU 900.
See Fig. 130.
Fig. 130.
Fig. 131.
2. Select the terminals wired to the Whole House Dehu-
midifier. See Fig. 132.
Fig. 132.
3. Select the system mode(s) to allow dehumidification.
See Fig. 133.
NOTE: Heat includes Heat, Emergency Heat and
Auto. If the system is in Auto mode, the ther-
mostat will allow dehumidification if the last
call was for heat.
Cool includes Cool and Auto. If the system is
in Auto mode, the thermostat will allow
dehumidification if the last call was for cool.
Fig. 133.
4. Set Dehumidifier Fan Control settings. See Fig. 134.
• Tstat Controls Fan
Thermostat turns on the dehumidifier and the fan
when dehumidification is needed.
• Equip Controls Fan
Thermostat turns on the dehumidifier when
dehumidification is needed. The fan is controlled
by the equipment.
Fig. 134.
5. Set the desired lockout option. See Fig. 135.
Fig. 135.
NOTE: ISU 1014 gives the option to lockout ventila-
tion during calls for dehumidification. This
helps maintain the desired humidity level.