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THX9321 PRESTIGE
®
2.0 AND THX9421 PRESTIGE
®
IAQ 2.0 WITH EIM
68-0311—01 46
13090 Allow Backup 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 Backup Heat.
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.
13090 Maximum Setting
No Limit
40° F to 120° F (in 5° F
increments)
No Limit
(Always)
Both Yes
13100 Allow Backup 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 Backup Heat.
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.
13100 Maximum Setting
No Limit
5% to 100% (in 5% increments)
No Limit
(Always)
Both Yes
13110 Allow Backup 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 Backup Heat.
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.
13110 Maximum Setting
No Limit
-45° F to 140° F (in 5° F
increments)
No Limit
(Always)
Both Yes
13120 Allow Backup 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 Backup Heat.
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.
13120 Maximum Setting
No Limit
5% to 100% (in 5% increments)
No Limit
(Always)
Both Yes
13130 Allow Cool 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 Cooling.
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.
13130 Maximum Setting
No Limit
40° F to 120° F (in 5° F
increments)
No Limit
(Always)
Both Yes
13140 Allow Cool 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 Cooling.
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.
13140 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