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# ISU
ISU Name
ISU Options (factory default in bold)
375
Heating Cycle Rate Auxiliary Heat
1 - 12
378
Heating Cycle Rate Emergency Heat
(TH6320 only)
1 - 12
387
Compressor Protection
0 = Off
1 -
5
minutes
425
Adaptive Intelligent Recovery
0 = No
1 = Yes
Note: 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)
431
Maximum Heat Setpoint
40 °F to 90 °F
(90 °F)
4.5 °C to 32.0 °C
(32.2 °C)
435
Keypad Lockout
0 = None
1 = Partial
2 = Full
500
Is Indoor Temperature Sensor WIRED
to your system? (TH6320 / TH6220
only)
0 = No
1 = Yes
515
Indoor Sensor type
(TH6320 / TH6220 only)
0 = 10k
1 = 20k
520
Which Sensors will be used for
TEMPERATURE Control? (Multiple
Sensors are Averaged) (TH6320 /
TH6220 only)
1 = Thermostat Only
2 = Wired Only
3 = Average
702
Number of Air Filters
0
- 2
711
Air Filter 1 Replacement Reminder
0 = Off
1 = 10 Run Time Days
2 = 20 Run Time Days
3 = 30 Run Time Days
4 = 45 Run Time Days
5 = 60 Run Time Days
6 = 90 Run Time Days
7 = 120 Run Time Days
8 = 150 Run Time Days
9 = 30 Calendar Days
10 = 45 Calendar Days
11 = 60 Calendar Days
12 = 75 Calendar Days
13 = 3 Calendar Months
14 = 4 Calendar Months
15 = 5 Calendar Months
16 = 6 Calendar Months
17 = 9 Calendar Months
18 = 12 Calendar Months
19 = 15 Calendar Months
712
Air Filter 2 Replacement Reminder
0 = Off
1 = 10 Run Time Days
2 = 20 Run Time Days
3 = 30 Run Time Days
4 = 45 Run Time Days
5 = 60 Run Time Days
6= 90 Run Time Days
7 = 120 Run Time Days
8 = 150 Run Time Days
9 = 30 Calendar Days
10 = 45 Calendar Days
11 = 60 Calendar Days
12 = 75 Calendar Days
13 = 3 Calendar Months
14 = 4 Calendar Months
15 = 5 Calendar Months
16 = 6 Calendar Months
17 = 9 Calendar Months
18 = 12 Calendar Months
19 = 15 Calendar Months
1400
Backlighting
0 = On Demand
1 = Continuous
Note: Common wire needed for continuous.
1401
Backlight brightness
1 -
5
Note: Only displayed if continuous backlight selected.
1410
Clock Format
12
/ 24
1415
Daylight Saving Time
0 = Off
1 = On
1420
Temperature Display Offset
-3 to 3F
(0)
-1.5 to 1.5C
(0)
Advanced setup options (ISU)
