Honeywell TH8320R1003 Installation Manual page 22

®
VISIONPRO 8000 WITH REDLINK™
ISU Installer Setup
Number Name
205 Geo Forced Air None
Cooling Only
Heating and Cooling
206 Reversing Valve
O (O/B on Cool)
B (O/B on Heat)
207 Cool Stages / 1-4
Compressor
Stages
202, Heat Stages /
1 - 3
207 Backup Heat
Stages
208 Cool Stage 3 None
U1
U2
U3
68-0312—03
Table 2. Installer Setup (ISU) Table. (Continued)
Settings Default
Heating and
Cooling
O/B on Cool
1 if ISU 101 is
Residential
2 if ISU 101 is
Commercial
Default is 1
stage if ISU
101 Application
is Residential
Default is 2
stages if ISU
101 Application
is Commercial
Default varies
based on
previous
selections
22
Residential,
Commercial Requires
or Both EIM
Both No This thermostat has the capability of
controlling Geothermal Radiant Heat,
Geothermal Forced Air and Backup Heat.
If this thermostat is not controlling the
Geothermal Forced Air System, select None.
This setting is typically used if the thermostat
is only controlling Geothermal Radiant Heat.
If this thermostat is using the Geothermal
Forced Air System for cooling and not for
heating, select Cooling Only.
If this thermostat is using the Geothermal
Forced Air System for both heating and
cooling, select Heating and Cooling.
Both No Only displayed if the equipment type is Air to
Air Heat Pump, Geothermal or Geothermal
Radiant.
Both No Conventional:
Cool Stage 3 and 4 are only available if ISU
101 is Commercial.
Cool Stage 3 and 4 must be wired to a
universal terminal (U1, U2 or U3).
Heat Pumps:
Maximum of 2 Compressor Stages for heat
pump systems.
Both No Maximum of 3 Heat Stages for conventional
systems.
Maximum of 2 Backup Heat Stages for
systems with more than 1 heating equipment
type.
Commercial No Cool Stage 3 is only available if ISU 1010 is
Commercial.
Cool Stage 3 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).
Notes