Honeywell PRESTIGE THX9321 - Manual (Page 63)

THX9321 PRESTIGE ® 2.0 AND THX9421 PRESTIGE ® IAQ WITH EIM
63 68-0311—02
11050 UV Bulb 2
Replacement
Reminder
Off, 6, 12, 24 Calendar Months Off Both No
12000 Installer Custom
Reminders
View / Edit Custom Reminders
Add Custom Reminders None Both No See “Customizable Reminders” beginning
on page 116.
13000 Heat Delta T
Diagnostics
Off
On On Both Yes This ISU is only displayed when the
thermostat is setup for a Non-Zoned
Forced Air Heating System and the
thermostat is setup for 10K Discharge and
Return Air Sensors at ISU 5000 (What
Sensors are WIRED to your System?)
This ISU is NOT displayed when the
thermostat is setup for an External Fossil
Fuel Kit or an Economizer (ISU 2190 and
2220).
See “Delta T Diagnostics” beginning on
page 87.
13010 Cool Delta T
Diagnostics
Off
On On Both Yes This ISU is only displayed when the
thermostat is setup for a Non-Zoned
Cooling System and the thermostat is
setup for 10K Discharge and Return Air
Sensors at ISU 5000 (What Sensors are
WIRED to your System?)
This ISU is NOT displayed when the
thermostat is setup for an Economizer (ISU
2220).
See “Delta T Diagnostics” beginning on
page 87.
13015 Set Advanced Delta
T Diagnostic
Options
No
Yes No Both Yes See “Advanced Options for Delta T
Diagnostics” beginning on page 90
13020 Allow Delta T
Diagnostics During
Humidification
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
humidification.
Yes: The thermostat monitors Delta T of the
system during a call for humidification.
Table 4. Installer Setup (ISU) Table. (Continued)
ISU
Number
Installer Setup
Name Settings Default
Residential,
Commercial
or Both
Requires
EIM Notes