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THX9321 PRESTIGE
®
2.0 AND THX9421 PRESTIGE
®
IAQ 2.0 WITH EIM
45 68-0311—01
13030 Allow Delta T
Diagnostics During
Dehumidification
No
Yes
Yes Both Yes This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
No: The thermostat does NOT monitor Delta T of the
system during a call for dehumidification.
Yes*: The thermostat monitors Delta T of the
system during a call for dehumidification.
* Default is Yes for Dehumidifiers and A/C with High
Speed Fan. The thermostat does NOT monitor Delta
T Diagnostics during dehumidification if it is setup
for A/C with Low Speed Fan, Hot Gas Bypass or
Reheat.
13040 Allow Delta T
Diagnostics During
Ventilation
No
Yes
Yes Both Yes This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
No: The thermostat does NOT monitor Delta T of the
system during a call for ventilation.
Yes: The thermostat monitors Delta T of the system
during a call for ventilation.
13050 Allow Heat Delta T
Diagnostics when
Indoor Temperature
is [Indoor
Temperature Range]
Minimum Setting
No Limit
35° F to 115° F (in 5° F
increments)
No Limit
(Always)
Both Yes This ISU only applies to Heating.
This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
The thermostat monitors Delta T of the system
ONLY when the indoor temperature is within a
certain range. Set to No Limit to monitor Delta T
during all indoor temperature conditions.
13050 Maximum Setting
No Limit
40° F to 120° F (in 5° F
increments)
No Limit
(Always)
Both Yes
13060 Allow Heat Delta T
Diagnostics when
Indoor Humidity is
[Indoor Humidity
Range]
Minimum Setting
No Limit
0% to 95% (in 5% increments)
No Limit
(Always)
Both Yes This ISU only applies to Heating.
This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
The thermostat monitors Delta T of the system
ONLY when the indoor humidity is within a certain
range. Set to No Limit to monitor Delta T during all
indoor humidity conditions.
13060 Maximum Setting
No Limit
5% to 100% (in 5% increments)
No Limit
(Always)
Both Yes
13070 Allow Heat Delta T
Diagnostics when
Outdoor Temperature
is [Outdoor
Temperature Range]
Minimum Setting
No Limit
-50° F to 135° F (in 5° F
increments)
No Limit
(Always)
Both Yes This ISU only applies to Heating.
This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
The thermostat monitors Delta T of the system
ONLY when the outdoor temperature is within a
certain range. Set to No Limit to monitor Delta T
during all outdoor temperature conditions.
13070 Maximum Setting
No Limit
-45° F to 140° F (in 5° F
increments)
No Limit
(Always)
Both Yes
13080 Allow Heat Delta T
Diagnostics when
Outdoor Humidity is
[Outdoor Humidity
Range]
Minimum Setting
No Limit
0% to 95% (in 5% increments)
No Limit
(Always)
Both Yes This ISU only applies to Heating.
This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
The thermostat monitors Delta T of the system
ONLY when the outdoor humidity is within a certain
range. Set to No Limit to monitor Delta T during all
outdoor humidity conditions.
13080 Maximum Setting
No Limit
5% to 100% (in 5% increments)
No Limit
(Always)
Both Yes
Table 2. Installer Setup (ISU) Table. (Continued)
ISU
Number Installer Setup Name Settings Default
Residential,
Commercial
or Both
Requires
EIM Notes