Honeywell Programmable Thermostat T4 Pro Installation Guide
Advanced setup options (ISU) (continued)
# ISU ISU Name
ISU Options (factory default in bold)
702
Number of Air Filters
0 - 2
Note: This ISU refers to the number of air filters in the system.
711
Air Filter 1 Replacement
Reminder
0 = Off
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
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
Note: Set a reminder for when to change your air filter. Choose
either calendar or equipment run time-based reminder.
712
Air Filter 2 Replacement
Reminder
0 = Off
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
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
Note: Set a reminder for when to change your air filter. Choose
either calendar or equipment run time-based reminder.
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
Note: Set to Off in areas that do not follow Daylight Saving Time.
1420 Temperature Display Offset
-3 to 3F (0)
-1.5 to 1.5C (0)
Note: 0 °F - 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.
9
| General | Details |
|---|---|
| Name | Honeywell Programmable Thermostat T4 Pro Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.08 MB |

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