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33-00478–04 22
ISU # Configuration
Setup Name
Settings Default Notes
2070 Cool Stages /
Compressor
stages
0, 1, 2 1 0 setting not available if the wire is detected on Y or system type
(ISU 2000) is set to Heat Pump)
On initial setup this will not be shown. Instead the thermostat
determines the system type based on wire detection
2070 Heat stages /
Backup heat
stages
0, 1, 2 1 Maximum of 2 Heat Stages for conventional systems.
Maximum of 1 Backup Heat Stages for heat pump applications.
Note: this is not counting the compressor heat stages on heat
pump systems.
On initial setup this will not be shown. Instead the thermostat
determines the system type based on wire detection
3000 Changeover • Manual
• Automatic
Automatic Not displayed if equipment type (ISU 2000) is set to cool only or
cool stages (ISU 2070) is set to 0.
4090 Adaptive
Intelligent
Recovery
No, Yes Yes No: The system will begin heating or cooling recovery at the
scheduled time.
Yes: The thermostat will begin heating or cooling recovery early
to ensure that the temperature is reached at the scheduled time.
The thermostat will adjust the start time of the equipment based
on how quickly the scheduled temperature was reached on
previous days.
4100 Minimum Cool
Setpoint
50° F to 99° F *
10.0° C to 36.5° C
50° F
(10° C)
The user cannot set the cool setpoint below this level.
Thermostat needs to be configured for at least 1 cool/
compressor stage.
* The minimum cool setpoint cannot be set higher than the
maximum cool setpoint.
If these settings are the same, the cool setpoint is not adjustable
from home screen.
4100 Maximum Cool
Setpoint
50° F to 99° F *
31° C to 37° C
90° F
(32° C)
Verify this
when they
update this
The user cannot set the cool setpoint above this level.
Thermostat needs to be configured for at least 1 cool/
compressor stage.
* The maximum cool setpoint cannot be set lower than the
minimum cool setpoint.
If the max cool and min cool settings are the same, the cool
setpoint is not adjustable from home screen.
4100 Minimum Heat
Setpoint
40° F to 90° F *
4.5° C to 32° C
50° F
(10° C)
The user cannot set the Heat setpoint below this level.
Thermostat needs to be configured for at least 1 heat stage.
* The minimum heat setpoint cannot be set higher than the
maximum heat setpoint or the minimum cool.
If these settings are the same, the heat setpoint is not adjustable
from home screen.
NOTE: you need to scroll down to see this setting if cooling is
used.
4100 Maximum Heat
Setpoint
40° F to 90° F *
4.5° C to 32° C
90° F
(32° C)
Verify this
when they
update this
The user cannot set the Heat setpoint above this level.
Thermostat needs to be configured for at least 1 heat stage.
* The maximum heat setpoint cannot be set lower than the
minimum heat setpoint.
If these settings are the same, the heat setpoint is not adjustable
from home screen.
Note: you need to scroll down to see this setting if cooling is
used.
Note: multiple Configuration settings can be grouped together on the same display screen.
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