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Installer setup options (ISU)– advanced menu
# ISU ISU Name ISU Options (defaults in bold) Notes
1013 Low Outdoor Temp
Vent Lockout
Off, 20 °F to 40 °F (in 5 °F increments) or
28.0 °C to 4.0 °C (in 2.0 °C increments)
ISU 130 must be set to Wired or Internet. This ISU is only displayed when ISU 1000 Ventilation Type is set to
ERV / HRV or Fresh Air Damper.
1014 High Outdoor Temp
Vent Lockout
Off, 80 °F to 110 °F (in 5 °F increments) or
26 °C to 44 °C (in 2 °C increments)
ISU 130 must be set to Wired or Internet. This ISU is only displayed when ISU 1000 Ventilation Type is set to
ERV / HRV or Fresh Air Damper.
1015 High Outdoor
Dewpoint Vent
Lockout
Off, 65 °F to 85 °F (in 5 °F increments) or
18 °C to 30 °C (in 2 °C increments)
ISU 130 must be set to Internet. This ISU is only displayed if ISU 1000 Ventilation Type is set to ERV/ HRV or
Fresh Air Damper.
1017 Vent Core Reminder Off, 3, 6, 9, 12 months This ISU is displayed only if ISU 1000 is set to ERV/HRV.
1018 Vent Filter Reminder Off, 3, 6, 9, 12 months
1100 UV Devices 0 - 2 Some systems may have two UV devices, one for the ACoil and another for Air Treatment. A replacement
reminder can be setup for each one separately.
1105 UV Bulb 1 Reminder Off, 6, 12, 24 months
1106 UV Bulb 2 Reminder Off, 6, 12, 24 months
1401 Idle Brightness 0= Off, 0 - 5 Adjust brightness of an inactive backlight (idle screen) from default 0 (backlight off) to 5 (maximum
brightness).
1410 Clock Format 12 hour, 24 hour
1415 Daylight Saving On, Off Set to Off in areas that do not follow Daylight Saving Time.
1420 Temp Offset Off, 3 °F to 3 °F (in 1 °F increments) or
1.5 °C to 1.5 °C (in 0.5 °C increments)
0 °F (0 °C) - No difference in displayed temperature and the actual room temperature. The thermostat can
display up to 3 °F (1.5 C) lower or higher than the actual measured temperature.
Table 6.