®
VISIONPRO
IAQ TOTAL HOME COMFORT SYSTEM
ISU
Parameter
Installer Setup
Number
Name
368
Staging
Discharge
Temperature
High Limit
369
Staging
Discharge
Temperature
Low Limit
370
Indoor Humidity
Sensor
372
Indoor
Humidification
Control
374
Hum Fan Action 0
379
Dehumidification
Control
382
Dehumidification
system modes
383
Over-Cooling
Limit
384
Dehumidification
Fan Action
386
Whole house
dehumidification
lockout
390
Southern
Dehumidification
Away Mode
391
Southern
Dehumidification
Away Mode Fan
Setting
392
Southern
Dehumidification
Away Mode Low
Limit
Temperature
Setting
393
Southern
Dehumidification
Away
Temperature
Setting
68-0287—04
Table 3. Installer Setup Menu. (Continued)
Settings
(Factory Defaults Shown in Bold)
110
110°F (43.5°C)
0
Disabled
80-130
80°F to 130°F (26.5°C to 54.5°C)
55
55°F (13°C)
0
Disabled
50-60
50°F to 60°F (10°C to 15.5°C)
1
Internal—sensor in thermostat
0
Disabled
2
Remote
E
Auto Discovered
E
Auto Discover
0
Off
1
Humidify (no frost protection)
3
Humidify (with frost protection)
8
Desert Humidity Control on heat, cool, and off
(no frost protection)*
9
Desert Humidity Control on heat, cool, and off
(with frost protection)*
Humidify only while fan or heat is on
1
Humidify will force fan on
2
Humidify only when heat is on
3
Humidifier operates independent of fan
0
None
1
Dehumidify with Air Conditioning
3
Whole house Dehumidifier
0
Dehumidifier in Cool or Auto (when last call
was for cooling)
2
Dehumidifier in Cool, Off, Heat, EmHeat, or
Auto
3
Dehumidifier in Cool, Off, or Auto (when last
call was for cooling)
3
1.5
3°F
1.5°C
1
0.5
1°F
0.5°C
2
1.0
2°F
1.0°C
(Show 1/2 degree C)
0
System fan turns on with dehumidifier
1
Dehumidifier operates independent of system
fan
0
Disabled
1
Enabled
0
No
1
Yes
0
Fan Auto
1
Fan On
2
Fan Circulate
76
Default = 76°F
70-80
70°F–80°F
85
Default = 85°F
70-99
70°F–99°F
Only Shown if ISU110 = 1 (Master Zone Controller)
and ISU174 = 2 or more. Must have Discharge
Temperature Sensor present.
Only Shown if ISU110 = 1 (Master Zone Controller)
and ISU176 = 2. Must have Discharge Temperature
Sensor present.
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.
Shown only if ISU370 = 1, 2 or E.
* DATS required for Desert Humidification
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.
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.
Only shown if ISU379 = 1.
Only shown if ISU379 = 3.
Not shown if ISU379 = 0.
ISU 391-394 will only be shown if ISU390 = 1.
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.
The air conditioner will be allowed to cool the living
space to this temperature to meet the humidity
setting that set in ISU394.
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.
16
Notes
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