VisionPRO Product Manual

VISIONPRO
®
8000 WITH REDLINK™
23 68-0312—02
209 Cool Stage 4
None
U1
U2
U3
Default varies
based on
previous
selections
Commercial Yes Cool Stage 4 is only available if ISU 101 is
Commercial.
Cool Stage 4 must be wired to a universal
terminal (U1, U2 or U3).
U1, U2 and U3 are normally open dry contacts
when configured for a stage of Cool. U1, U2
and U3 require power from a system
transformer or a separate transformer.
U2 and U3 are only available on the
Equipment Interface Module (EIM).
210 Heat Stage 3
None
U1
U2
U3
Default varies
based on
previous
selections
Both No TH8321 Thermostat Only:
This ISU is only displayed on the TH8321
thermostat when it is wired directly to the
equipment (Equipment Interface Module is
NOT used).
Heat Stage 3 must be wired to a universal
terminal (U1).
U1 is a normally open dry contact when
configured for a stage of Heat. U1 requires
power from a system transformer or a
separate transformer.
211 Fan Control in
Heat
No Fan
Equip Controls Fan
Tstat Controls Fan
Equip Controls
Fan
Both No No Fan is only displayed when ISU 201
Heating Equipment is Other.
212 Backup Heat Type
None
Electric
Gas/Oil
None Both No This ISU is only displayed when ISU 201
Heating Equipment is Radiant Heat or Other.
When ISU 201 Heating Equipment is Radiant
Heat, the thermostat keeps the Radiant Heat
on when it calls for Backup Heat.
When ISU 201 Heating Equipment is Other,
you can select how the backup operates. See
ISU 215.
213 Backup Heat
Stages
0 - 2
1 Both No This ISU is only displayed when a backup heat
source is selected at ISU 212 Backup Heat
Type.
Maximum of 2 Backup Heat stages.
214 Backup Heat Stg 2
None
U1
Default varies
based on
previous
selections
Both No TH8321 Thermostat Only:
This ISU is only displayed on the TH8321
thermostat when it is wired directly to the
equipment (Equipment Interface Module is
NOT used).
The thermostat can support up to 3
conventional heat stages. When there are a
total of 3 conventional heat stages, the last
stage of heat must be wired to U1.
U1 is a normally open dry contact when
configured for a stage of Heat. U1 requires
power from a system transformer or a
separate transformer.
Table 2. Installer Setup (ISU) Table. (Continued)
ISU
Number
Installer Setup
Name Settings Default
Residential,
Commercial
or Both
Requires
EIM Notes