Honeywell TH8321 Product Data page 31

ISU Installer Setup
Number Name
User Dehumidifier in Heat Mode
912 User Dehumidifier
- No or Yes
in Heat Mode
Use Dehumidifier in Cool Mode -
Use Dehumidifier in
No or Yes
Cool Mode
Use Dehumidifier in Off Mode -
No or Yes
Use Dehumidifier in
Off Mode
Tstat Controls Fan
913 Dehum Fan Control
Equip Controls Fan
Yes
914 Run Dehumidifier
when Cool is On No
Not Allowed
918 Dehum Away Mode
Allowed
Automatic
919 Dehum Away Mode
On
Fan Setting
Circulate
70° F to 80° F
920 Dehum Away Mode
Low Limit Temp
70° F to 99° F
920 Dehum Away mode
Temp Setting
40% to 70% (in 5% increments)
920 Dehum Away mode
Dehum Setting
Table 2. Installer Setup (ISU) Table. (Continued)
Settings Default
Use Dehumidifier in
Cool Mode - Yes
Default varies based
on heating/cooling
equipment selected
Tstat Controls Fan
Yes
Not Allowed
Automatic
76° F
85° F
65%
VISIONPRO® 8000 SMART THERMOSTAT
Residential,
Commercial
or Both
Both This ISU is only displayed when ISU 900 Dehum
Equipment is set to Dehumidifier.
Heat: Includes Heat, Emergency Heat and Auto. If
the system is in Auto mode, the thermostat 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.
Off: The thermostat will allow dehumidification
when the system setting is Off.
See "Dehumidification - Residential" beginning on
page 59 or "Dehumidification - Commercial"
beginning on page 63.
Both This ISU is only displayed when ISU 900 Dehum
Equipment is set to Dehumidifier.
Tstat Controls Fan: The thermostat turns on the
dehumidifier and the fan when dehumidification is
needed.
Equip Controls Fan: The thermostat turns on the
dehumidifier when dehumidification is needed. The
fan is controlled by the equipment.
Both This ISU is only displayed when ISU 900 Dehum
Equipment is set to Dehumidifier.
Yes: Dehumidifier can run when the cooling system
is on.
No: Dehumidifier can NOT run when the cooling
system is on.
Both This ISU is NOT displayed when ISU 900 Dehum
Equipment is None.
ISU 919 to 920 are only displayed when ISU 918
Dehum Away Mode is Allowed.
See "Dehumidification Away Mode" beginning on
page 62.
Both The On and Circulate settings may re-introduce
humidity into the living space.
Both If the cooling system is used to control humidity
while Dehumidification Away Mode is active, the
thermostat allows the cooling system to lower the
indoor air to the Low Limit Temperature Setting to
reach the dehumidification setting at ISU 920.
Both The temperature maintained while Dehumidification
Away Mode is active and the desired humidity level is
satisfied.
Both The desired humidity level while Dehumidification
Away Mode is active.
31
Notes
33-00096—04