THX9321 PRESTIGE
®
2.0 AND THX9421 PRESTIGE
®
IAQ WITH EIM
68-0311—02
32
3030
Staging Control -
Cool Differential
Stage 4
Comfort
1.0° F to 4.5° F from setpoint (in
0.5° F increments)
Comfort
Commercial No
ISU 3010 Temperature Control Options
must be set to
Advanced
to view or adjust
this ISU.
This ISU is only displayed when the
thermostat is set to 4 cool stages.
The indoor temperature must rise to the
selected differential setting before the
thermostat turns on the stage of cooling.
For example, if stage 4 is set to 2° F (1.0°
C), the indoor temperature must be 2° F
(1.0° C) away from the setpoint before
stage 4 turns on. When set to
Comfort
, the
thermostat uses the stage of cooling as
needed to keep the indoor temperature
within 1° F (0.5° C) degree of the setpoint.
3040
Staging Control -
Radiant Heat
Differential Stage 2
Comfort
1.0° F to 3.5° F from setpoint (in
0.5° F increments)
Comfort
Both
No
ISU 3010 Temperature Control Options
must be set to
Advanced
to view or adjust
this ISU.
This ISU is only displayed if ISU 2010
Heating Equipment Type is
Geothermal
Radiant Heat
and there are 2 radiant heat
stages.
The indoor temperature must drop to the
selected differential setting before the
thermostat will turn on the stage of
heating. For example, if stage 2 is set to 2°
F (1.0° C), the indoor temperature must be
2° F (1.0° C) away from the setpoint before
stage 2 turns on. When set to
Comfort
, the
thermostat will use the stage of heating as
needed to keep the indoor temperature
within 1° F (0.5° C) degree of the setpoint.
3050
Staging Control -
Heat Differential
Stage 2
Note: Depending
on the application,
the text displayed
on the screen may
show the specific
heating equipment
type
Comfort
1.0° F to 3.5° F from setpoint (in
0.5° F increments)
Comfort
Both
No
ISU 3010 Temperature Control Options
must be set to
Advanced
to view or adjust
this ISU.
This ISU is only displayed for conventional
systems that have 2 heat stages.
The indoor temperature must drop to the
selected differential setting before the
thermostat will turn on the stage of
heating. For example, if stage 2 is set to 2°
F (1.0° C), the indoor temperature must be
2° F (1.0° C) away from the setpoint before
stage 2 turns on. When set to
Comfort
, the
thermostat will use the stage of heating as
needed to keep the indoor temperature
within 1° F (0.5° C) degree of the setpoint.
Table 4. Installer Setup (ISU) Table. (Continued)
ISU
Number
Installer Setup
Name
Settings
Default
Residential,
Commercial
or Both
Requires
EIM
Notes