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VISIONPRO
®
IAQ TOTAL HOME COMFORT SYSTEM
15 68-0287—04
340 Indoor Temp
Sensor
0
1
2
Thermostat location only
Remote indoor sensor(s) location(s) only
Average between thermostat and sensor
locations
Indoor temperature sensors will display the
temperature at the sensor location or an average of
two indoor temperature sensors, not including the
temperature sensor in the thermostat. The
temperature sensor in the thermostat is disabled
when using remote indoor temperature sensor(s).
342 Outdoor Temp
Sensor
E
0
1
Auto Discover
None
Yes
An outdoor temperature sensor is required for heat
pump compressor lockout (ISU350), heat pump
auxiliary lockout (ISU360), dual fuel heat pump
balance point (ISU360) and Humidification with
Frost Protection (ISU372).
345 Dual Fuel Heat
Pump Control
1
0
2
Droop Control
No Droop Control
Droop Control with Auxiliary heat lockout
See Dual Fuel Heat Pump control on page 23.
346 Dual Fuel Heat
Pump Upstage to
Furnace Timer (in
hours)
1
0
0.5
1.5
2
3
4
5
6
8
10
12
14
16
1 hr.
Disabled
0.5 hrs.
1.5 hrs.
2 hrs.
3 hrs.
4 hrs.
5 hrs.
6 hrs.
8 hrs.
10 hrs.
12 hrs.
14 hrs.
16 hrs.
See Dual Fuel Heat Pump control on page 23.
347 Droop
Temperature
2
3
4
5
2°F 1.0°C
3°F 1.5°C
4°F 2.0°C
5°F 2.5°C
The fossil fuel will turn on when the outdoor
temperature is above the balance point if the room
temperature droops below the selected droop
temperature setting, and the compressor will be
disabled.
350 Heat Pump
Balance Point
(also compressor
lockout)
Temperature
40 4.5
0
5-15
10 -12
15
-9.5
20 -6.5
25 -4
30 -1
35 1.5
45 7
50 10
55 13
60 15.5
40°F 4.5°C
No heat pump compressor lockout
5°F -15.0°C
10°F -12.0°C
15°F -9.5°C
20°F -6.5°C
25°F -4.0°C
30°F -1.0°C
35°F 1.5°C
45°F 7.0°C
50°F 10.0°C
55°F 13.0°C
60°F 15.5°C
(Show 1/2 degree C)
Only shown for heat pump applications with an
outdoor temperature sensor present.
If electric backup is selected then the default is No
Compressor lockout.
360 Heat Pump
Auxiliary Heat
Lockout
Temperature
0
5-15
10 -12
15 -9.5
20 -6.5
25 -4
30 -1
35 1.5
40 4.5
45 7
50 10
55 13
60 15.5
65 18.5
No heat pump auxiliary lockout
5°F -15.0°C
10°F -12.0°C
15°F -9.5°C
20°F -6.5°C
25°F -4.0°C
30°F -1.0°C
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
(Show 1/2 degree C)
Only shown for heat pump applications with an
outdoor temperature sensor present.
365 Discharge Temp
Sensor
E
0
1
Auto Discover
None
Remote
366 Zoning High
Temperature
Limit
160
0
110–170
160°F (71°C)
Disabled
110°F to 170°F (43.5°C to 76.5°C)
Only Shown if ISU110 = 1 (Master Zone Controller)
and Discharge Temperature Sensor is available.
367 Zoning Low
Temperature
Limit
40
0
35-50
160°F (71°C)
Disabled
35°F to 50°F (1.5°C to 10°C)
Only Shown if ISU110 = 1 (Master Zone Controller)
and Discharge Temperature Sensor is available.
Table 3. Installer Setup Menu. (Continued)
ISU
Parameter
Number
Installer Setup
Name
Settings
(Factory Defaults Shown in Bold) Notes