VisionPRO 8000 Spec Sheet 2017

Table Of Contents
VISIONPRO
®
8000 WITH REDLINK™
25 68-0312—05
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.
215 Run Backup Heat
with Primary
No
Yes
No Both No This ISU is only displayed when ISU 201 Heating
Equipment is Other.
When ISU 201 Heating Equipment is Other, you
can select how the Backup Heat operates. The
thermostat can be setup to keep the primary heat
source on when it calls for Backup Heat or the
thermostat can be setup to turn off the primary
heat source when it calls for Backup Heat.
When ISU 201 Heating Equipment is Radiant
Heat, the thermostat keeps the Radiant Heat on
when it calls for Backup Heat.
216 Backup Heat Fan
Equip Controls Fan
Tstat Controls Fan
Tstat Controls
Fan
Both No This ISU is only displayed for conventional systems
when ISU 212 Backup Heat Type is Electric.
Backup Heat Fan Operation automatically defaults
to Equip Controls Fan when ISU 212 Backup Heat
Type is Gas/Oil.
217 Backup Heat Stage
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 2 backup heat
stages for heat pump applications. When there are
2 backup heat stages, backup heat stage 2 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.
218 Backup Heat Type
Electric
Gas/Oil
Electric Both No This ISU is only displayed when ISU 201 Heating
Equipment is Air to Air Heat Pump, Geothermal or
Geothermal Radiant and there is at least one stage
of backup heat.
See “Heat Pump and Backup Heat Operation”
beginning on page 78.
Table 2. Installer Setup (ISU) Table. (Continued)
ISU
Number
Installer Setup
Name Settings Default
Residential,
Commercial
or Both
Requires
EIM Notes