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Idiomas disponibles
Idiomas disponibles
Installer setup (ISU)
ISU Setup Number and Description
125 = Temperature Indication Scale
200 = Heating System Type
205 = Heating Equipment Type
218 = Reversing Valve O/B
220 = Cool Stages / Compressor
Stages (200=Conv / 200=HP)
221 = Heat Stages / Backup Heat
Stages
230 = Fan Control in Heat
300 = System Changeover
Continued on next page.
Options (factory default in bold)
0 = Fahrenheit
1 = Celsius
1 = Conventional Forced Air Heat
2 = Heat Pump
3 = Radiant Heat
5 = None (Cool Only)
Notes:
•
Default varies based on model.
•
This option selects the basic system type your thermostat
will control.
Conventional Forced Air Heat:
1 = Standard Efficiency Gas Forced Air
2 = High Efficiency Gas Forced Air
3 = Oil Forced Air
4 = Electric Forced Air
5 = Hot Water Fan Coil
Heat Pump:
Note: ISU 205 is not shown when ISU 200 is set for heat pump.
Radiant Heat:
9 = Hot Water Radiant Heat
12 = Steam
Note: This option selects the equipment type
your thermostat will control. This feature is NOT
displayed if feature 200 is set to Cool Only.
0 = O (O/B in Cool)
1 = B (O/B in Heat)
Note: This option is only shown if ISU 200 is
configured for heat pump.
0, 1
Note: Select how many Cool or Compressor stages
of your equipment the thermostat will control. Set
value to 0 if you do not have Cool Stage/Compressor
Stage.
Heat Stages: 1
Backup Heat Stages: 0, 1 (PSTSN21AWH Only)
Note: Select how many Heat or Aux/E stages of your
equipment the thermostat will control.
1 = Equipment Controls Fan
2 = Thermostat Controls Fan
Note: This ISU is only displayed if ISU 205 is set to
Electric Forced Air or Fan Coil.
0 = Manual
1 = Automatic
Note: Thermostat can automatically control both
heating and cooling to maintain the desired indoor
temperature. To be able to select "automatic"
system mode on thermostat home screen, turn this
feature ON. Turn OFF if you want to control heating
or cooling manually.
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