Installer setup options (ISU) (continued)
# ISU ISU Name
205
Heating Equipment
Type
Note: This option selects the equipment type your thermostat will control.
Note: This feature is NOT displayed if feature 200 is set to Cool Only or Heat Pump.
218
Reversing Valve
O/B
Note: This option is only displayed if the Heat Pump is configured. Select whether
reversing valve O/B should energize in cool or in heat.
220
Cool Stages /
Compressor
Stages 200=Conv /
200=HP
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.
221
Heat Stages /
Backup Heat
Stages
Note: Select how many Heat or Aux/E stages of your equipment the thermostat will
control.
Note: This feature is NOT displayed if feature 200 is set to Cool Only.
PSTSP11AWH model cannot control a heat pump with aux heat.
300
System
Changeover
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.
303
Auto Changeover
Differential
Note: Differential is NOT deadband. Differential means how far past the setpoint
before switching to the mode selected. Deadband setup is not an option. An
advanced algorithm fixes the deadband at 0 °F. This is more advanced than previous
thermostats.
340
Backup Heat
Droop
(
PSTSP21AWH
only)
350
Upstage Timer for
Backup Heat
(
PSTSP21AWH
only)
ISU Options (factory default in bold)
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
Radiant Heat:
9 = Hot Water Radiant Heat
12 = Steam
0 = O (O/B in Cool)
1 = B (O/B in Heat)
0, 1
Heat Stages: 1
Backup Heat Stages: 0, 1
0 = Manual
1 = Automatic
0 °F to 5 °F
0.0 °C to 2.5 °C
5 = 5 °F
0 = Comfort
2 = 2 °F
6 = 6 °F
3 = 3 °F
7 = 7 °F
4 = 4 °F
8 = 8 °F
3 = 60
0 = Off
1 = 30
minutes
minutes
4 = 75
2 = 45
minutes
minutes
5 = 90
minutes
7
9 = 9 °F
13 = 13 °F
10 = 10 °F
14 = 14 °F
11 = 11 °F
15 = 15 °F
12 = 12 °F
6 = 2 hours
10 = 5 hours
7 = 3 hours
8 = 4 hours