Filter
Top Products
VISIONPRO
®
IAQ TOTAL HOME COMFORT SYSTEM
17 68-0287—04
394 Southern
Dehumidification
Away
Dehumidification
Setting
65
40-70
Default = 65%
40%–70% relative humidity
Set the desired humidity level to maintain within the
living space
400 Ventilation control 0
1
2
3
4
No ventilation
Ventilation on at all times
Ventilation on except during sleep period
Vent all with lockouts
Vent off sleep with lockouts
If ISU300 = 0, ISU401-405 will not be shown.
Not ASHRAE
Not ASHRAE
401 Number of
bedrooms
2
1-6
Default = 2
1–6 bedrooms
402 Total house
Sq. Ft.
10
10-50
Default = 1000 sq. ft.
1000–5000 sq. ft. in increments of 100
403 Ventilation CFM 160
30-195
Default = 160 CFM
30–195 CFM in increments of 5
404 Max ventilation
percentage limit
50
30-60
100
Default = 50%
30%–60%
unlimited
The thermostat will determine if ventilation is
meeting ASHRAE standard 62.2. The display will
show a P above the setup number if the setting
passes the ASHRAE standard, or F if it does not.
Best practice is to move the setting down until F is
displayed, then move up one setting to the minimum
passing value.
405 Ventilation Fan
Action
1
2
Vent on will force fan on also
Vent will not force fan ON
406 Ventilation in
High Humidity
1
0
On
Off
Only shown if ISU372 and ISU400 are not set to 0.
When set to On will use ventilation to remove
humidity when thermostat is in the heat mode.
430 Ventilation
lockout
0
1
2
3
Disabled
Lockout for high temperatures
Lockout for low temperatures
Lockout for high and low temperatures
Outdoor temperature sensor required for high and
low temperature lockouts.
431 Ventilation
lockout high
temperature
100 38
90 32
95 35
105 40.5
110 43.5
100°F 38°C
90°F 32°C
95°F 35°C
105°F 40.5°C
110°F 43.5°C
432 Ventilation
lockout low
temperature
-10 -23.5
-20 -29
-15 -26
-5 -20.5
-0 -18
-10°F -23.5°C
-20°F -29.0°C
-15°F -26.0°C
-5°F -20.5°C
0°F -18.0°C
450 DATS Inhibit 0
35 1.5
40 4.5
45 7
50 10
55 13
60 15.5
65 18.5
Disabled
35°F 1.5°C
40°F 4.5°C
45°F 7.0°C
50°F 10.0°C
55°F 13.0°C
60°F 15.5°C
65°F 18.5°C
The DATS will cycle the cooling off at the selected
temperature to prevent coil freezing.
500
USU
Furnace Filter
Change
Reminder
E
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Auto Discover
Disabled
10 R.T. Days
30 R.T. Days
60 R.T. Days
90 R.T. Days
120 R.T Days
180 R.T. Days
270 R.T. Days
365 R.T. Days
30 C Days
60 C Days
90 C Days
120 C Days
180 C Days
365 C Days
502 Furnace filter
reminder run time
equipment counts
0
1
Counts runtime Heat and Cool
Counts runtime Cool only
Table 3. Installer Setup Menu. (Continued)
ISU
Parameter
Number
Installer Setup
Name
Settings
(Factory Defaults Shown in Bold) Notes