Honeywell THX9421 Thermostat User Manual


 
THX9321 PRESTIGE
®
2.0 AND THX9421 PRESTIGE
®
IAQ 2.0 WITH EIM
68-0311—01 16
1060 Outdoor Air Sensor No
Yes
No Both No This ISU automatically defaults to Yes when a
Wireless Outdoor Sensor is connected.
An Outdoor Sensor is required to set the following
ISUs:
ISU 3120 Outdoor Temperature Lockouts
(Compressor Lockout and Backup Heat Lockout)
ISU 4050 Outdoor Temperature used with Minimum
Heat Recovery Ramp Rate
ISU 4060 Outdoor Temperature used with
Maximum Heat Recovery Ramp Rate
ISU 4070 Outdoor Temperature used with Minimum
Cool Recovery Ramp Rate
ISU 4080 Outdoor Temperature used with
Maximum Cool Recovery Ramp Rate
ISU 8050 Humidification - Window Protection
ISU 10130 Ventilation Low Temperature Lockout
ISU 10130 Ventilation High Temperature Lockout
ISU 10130 Ventilation High Dew Point Lockout
(requires Wireless Outdoor Sensor)
ISU 13070 Allow Heat Delta T Diagnostics when
Outdoor Temperature is [Out. Temp. Range]
ISU 13080 Allow Heat Delta T Diagnostics when
Outdoor Humidity is [Out. Humidity Range]
ISU 13110 Allow Backup Heat Delta T Diag. when
Outdoor Temperature is [Out. Temp. Range]
ISU 13120 Allow Backup Heat Delta T Diagnostics
when Outdoor Humidity is [Out. Humidity Range]
ISU 13150 Allow Cool Delta T Diagnostics when
Outdoor Temperature is [Out. Temp. Range]
ISU 13160 Allow Cool Delta T Diagnostics when
Outdoor Temperature is [Out. Humidity Range]
2000 Heating System Type Conventional Forced Air Heat
Heat Pump
Radiant Heat
Other
None (Cool Only)
Conventional
Forced Air Heat
Both No
2010 Heating Equipment
Type
Conventional Forced Air Heat:
Standard Efficiency Gas Forced Air
High Efficiency Gas Forced Air
Oil Forced Air
Electric Forced Air
Hot Water Fan Coil
Other
Heat Pump:
Air to Air Heat Pump
Geothermal Heat Pump
Geothermal Radiant Heat
Radiant Heat:
Hot Water Radiant Heat
Geothermal Radiant Heat
Steam
Other
Other:
Gravity
Other
Default varies
based on
previous
selections
Both No Cycle Rate and Fan Operation automatically default
to the correct settings based on the equipment type
selected.
This ISU is not displayed when ISU 2000 Heating
System Type is set to None (Cool Only).
See “Geothermal Radiant Heat” beginning on
page 62.
Table 2. Installer Setup (ISU) Table. (Continued)
ISU
Number Installer Setup Name Settings Default
Residential,
Commercial
or Both
Requires
EIM Notes