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.
Table 5.
#
ISU
ISU Name
ISU Options (defaults in
bold)
Notes
810
Hum Pad
Reminder
Off
6, 12 Calendar Months
921
Dehum
Filter
Reminder
Off
30, 60 Calendar Days
3 – 12 Calendar Months (in 1
month increments)