Filter
Top Products
VISIONPRO
®
IAQ TOTAL HOME COMFORT SYSTEM
68-0287—04 16
368 Staging
Discharge
Temperature
High Limit
110
0
80-130
110°F (43.5°C)
Disabled
80°F to 130°F (26.5°C to 54.5°C)
Only Shown if ISU110 = 1 (Master Zone Controller)
and ISU174 = 2 or more. Must have Discharge
Temperature Sensor present.
369 Staging
Discharge
Temperature
Low Limit
55
0
50-60
55°F (13°C)
Disabled
50°F to 60°F (10°C to 15.5°C)
Only Shown if ISU110 = 1 (Master Zone Controller)
and ISU176 = 2. Must have Discharge Temperature
Sensor present.
370 Indoor Humidity
Sensor
1
0
2
E
Internal—sensor in thermostat
Disabled
Remote
Auto Discovered
If there is a remote sensor installed and the setting
is either auto discover or “remote” the internal
thermostat humidity sensor is disabled. If set to
“internal” the internal thermostat sensor is
presented on the screen. If set to “disabled” the
internal sensor and any remote sensors are
disabled, there will be no humidity displayed and will
have no humidification/dehumidification control.
372 Indoor
Humidification
Control
E
0
1
3
8
9
Auto Discover
Off
Humidify (no frost protection)
Humidify (with frost protection)
Desert Humidity Control on heat, cool, and off
(no frost protection)*
Desert Humidity Control on heat, cool, and off
(with frost protection)*
Shown only if ISU370 = 1, 2 or E.
* DATS required for Desert Humidification
374 Hum Fan Action 0
1
2
3
Humidify only while fan or heat is on
Humidify will force fan on
Humidify only when heat is on
Humidifier operates independent of fan
Setting 0 will run the humidifier only during a call for
heat or if the fan is running.
Setting 1 will force the fan to run if there is a call for
humidification.
Setting 2 will humidify only during a call for heat.
Setting 3 assumes the humidifier has it own internal
fan and will not require the system fan or heat to be
operating during a call for humidification.
379 Dehumidification
Control
0
1
3
None
Dehumidify with Air Conditioning
Whole house Dehumidifier
Option 1 uses dehum terminal as a normally closed
relay to wire to a low-speed fan terminal.
Option 3 uses dehum terminal as a normally open
relay to wire to a whole-house dehumidifier.
382 Dehumidification
system modes
0
2
3
Dehumidifier in Cool or Auto (when last call
was for cooling)
Dehumidifier in Cool, Off, Heat, EmHeat, or
Auto
Dehumidifier in Cool, Off, or Auto (when last
call was for cooling)
383 Over-Cooling
Limit
31.5
10.5
21.0
3°F 1.5°C
1°F 0.5°C
2°F 1.0°C
(Show 1/2 degree C)
Only shown if ISU379 = 1.
384 Dehumidification
Fan Action
0
1
System fan turns on with dehumidifier
Dehumidifier operates independent of system
fan
Only shown if ISU379 = 3.
386 Whole house
dehumidification
lockout
0
1
Disabled
Enabled
390 Southern
Dehumidification
Away Mode
0
1
No
Yes
Not shown if ISU379 = 0.
ISU 391-394 will only be shown if ISU390 = 1.
391 Southern
Dehumidification
Away Mode Fan
Setting
0
1
2
Fan Auto
Fan On
Fan Circulate
If ISU391 = 1 or 2 to help remove condensation
from the air handler and the A-coil, some humidity
may be re-introduced into the living space.
392 Southern
Dehumidification
Away Mode Low
Limit
Temperature
Setting
76
70-80
Default = 76°F
70°F–80°F
The air conditioner will be allowed to cool the living
space to this temperature to meet the humidity
setting that set in ISU394.
393 Southern
Dehumidification
Away
Temperature
Setting
85
70-99
Default = 85°F
70°F–99°F
The A/C will maintain this temperature provided the
humidity setting is satisfied. This temperature
setting can not be set lower than the temperature
set in ISU 392.
Table 3. Installer Setup Menu. (Continued)
ISU
Parameter
Number
Installer Setup
Name
Settings
(Factory Defaults Shown in Bold) Notes