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Installer setup options (ISU) – advanced menu
Table 4.
# ISU ISU Name ISU Options (defaults in bold) Notes
391 Ext Fan Run Time
in Heat
Off, 30, 60, 90 seconds
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 minutes
After the call for heating ends, the thermostat keeps the fan on for the selected amount of time for increased
efficiency. This ISU is displayed if ISU 230 is set to Thermostat Controls Fan.
425 Adaptive Recovery On, Off Adaptive Intelligent Recovery (AIR) is a comfort setting. Heating or cooling equipment will turn on earlier,
ensuring the indoor temperature will match the setpoint at the scheduled time.
430 Minimum Cool
Setpoint
50 °F to 99 °F (50 °F); 10.0 °C to 37.0 °C (10.0 °C) The user cannot set the cooling temperature below this level.
431 Maximum Heat
Setpoint
40 °F to 90 °F (90 °F); 4.5 °C to 32.0 °C (32.2 °C) The user cannot set the heating temperature above this level.
435 Lock Screen None, Partial, Full Unlocked: User has access to all thermostat settings.
Partially Locked: User can modify only temperature settings.
Fully Locked: User cannot modify any settings. Screen will be locked by default factory code and cannot be
changed. This code is displayed for a short time, when you are about to lock the thermostat screen. Please note
the code in safe place for future reference.
500 Indoor Sensor Yes, No Set this ISU when you want to wire a remote indoor sensor to the “S” terminals on the UWP - see "Wiring con-
ventional systems: forced air and hydronics" on page 6. This ISU is only displayed only if ISU 130 is set to
NO wired outdoor sensor configured.
515 Sensor type 10k, 20k Choose resistance type of wired indoor sensor. This ISU is only displayed when indoor sensor is configured -
ISU 500.
520 Temperature Control Thermostat, Wired, Average This ISU is only displayed when indoor sensor is configured - ISU 500. You can choose what temperature
source to be used or you can ask thermostat to use both thermostat and remote sensors for higher accuracy of
measurement.
702 Air Filters 0 - 2 This ISU refers to the number of air filters in the system.
711 Air Filter 1 Reminder Off
10, 20, 30, 45, 60, 90, 120, 150 Run Time Days
30, 45, 60, 75 Days
3, 4, 5, 6, 9, 12, 15 Months
Choose either calendar or equipment run time-based reminder.
712 Air Filter 2 Reminder Off
10, 20, 30, 45, 60, 90, 120, 150 Run Time Days
30, 45, 60, 75 Days
3, 4, 5, 6, 9, 12, 15 Months
Choose either calendar or equipment run time-based reminder.
810 Hum Pad Reminder Off
6, 12 Calendar Months
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