
VISIONPRO
®
8000 WITH REDLINK™
68-0312—03
50
900
Dehumidification
Equipment
Residential:
None
A/C with Low Fan
A/C with High Fan
Dehumidifier
Commercial:
None
A/C with Low Fan
A/C with High Fan
Hot Gas Bypass
Dehumidifier
None
Both
No
See “Dehumidification - Residential”
beginning on page 83 or “Dehumidification -
Commercial” beginning on page 87.
901
Sensor for Dehum
Change to:
T-Stat Sensor
Remote Indoor Sensor Name
Remote Indoor Sensor Name
Remote Indoor Sensor Name
Remote Indoor Sensor Name
Remote Indoor Sensor Name
Remote Indoor Sensor Name
(Up to 6 Remote Indoor Sensors)
T-Stat Sensor Both
No
Select a sensor to control dehumidification
(thermostat or an optional remote sensor). If
multiple sensors are installed, you can use a
different sensor for humidification control.
See “Dehumidification control” beginning on
Note: Humidity sensing cannot be averaged.
902
Humidity Sensor
on Home Screen
Hum
Dehum
Hum
Both
No
This ISU is only displayed when separate
humidity sensors are used to control
humidification and dehumidification. Only one
of the sensors can be displayed on the home
screen. Select either the Humidification
Sensor or the Dehumidification Sensor.
904
Dehum Wiring
None
U1
U2
U3
Thermostat
defaults to the
next unused
universal
terminal (U1,
U2, U3).
Both
No
Number of Universal Outputs:
TH8321 Thermostat: U1 terminals
Equipment Interface Module (EIM): U1, U2
and U3 terminals
U1, U2, U3 are dry contacts that require
power. See “Wiring IAQ Equipment or a Heat/
Cool Stage to the Universal Terminals”
905
Dehum Terminal -
U1
Dehum Terminal -
U2
Dehum Terminal -
U3
Note: The U
terminal shown on
the screen
depends on the
terminal you
selected at ISU
904 (Dehum
Wiring).
Normally Closed
Normally Open
Defaults to
Normally
Closed
when
ISU 900
Dehum
Equipment is
A/C with Low
Fan
Defaults to
Normally Open
when ISU 900
Dehum
Equipment is
Hot Gas
Bypass
Both
No
Choose an option appropriate for the type of
equipment installed.
Normally Open: U1, U2 or U3 will normally be
open and will close when the thermostat calls
for dehumidification.
Normally Closed: U1, U2 or U3 will normally
be closed and will open when the thermostat
calls for dehumidification.
Number of Universal Outputs:
TH8321 Thermostat: U1 terminals
Equipment Interface Module (EIM): U1, U2
and U3 terminals
Table 2. Installer Setup (ISU) Table. (Continued)
ISU
Number
Installer Setup
Name
Settings
Default
Residential,
Commercial
or Both
Requires
EIM
Notes