7
# ISU
ISU Name
ISU Options (factory default in bold)
220
Cool Stages / Compressor Stages
200=Conv / 200=HP
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. This ISU will not be shown on TH1010D model.
221
Heat Stages
0, 1
Note: Select how many Heat stages of your equipment the thermostat will
control. This ISU will not be shown on TH1010D model.
230
Fan Control in Heat
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.
430
Minimum Cool Setpoint
50 °F to 99 °F
(50 °F)
10.0 °C to 37.0 °C
(10.0 °C)
Note: The cool temperature cannot be set below this level. This ISU will
not be shown on TH1010D model unless ISU 200 is set to 5 (cool only).
431
Maximum Heat Setpoint
32 °F to 90 °F
(90 °F)
0 °C to 32.0 °C
(32 °C)
Note: The heat temperature cannot be set above this level. This ISU will
not be shown on TH1010D model unless ISU 200 is not set to 5 (cool
only).
1400
Backlighting
0 = On Demand
1 = Continuous
Note: Common wire needed for continuous. This ISU will not be shown if
the device is powered only by battery.
1420
Temperature Display Offset
-3 to 3F
(0)
-1.5 to 1.5C
(0)
Note: 0 °F - No difference in displayed temperature and the actual room
temperature. The thermostat can display up to 3 °F (1.5 C) lower or
higher than the actual measured temperature.
Installer setup options (ISU) (continued)
Specifications
Temperature Ranges
Heat: 32 °F to 90 °F (0 °C to 32.0 °C)
Cool: 50 °F to 99 °F (10.0 °C to 37.0 °C)
Operating Ambient Temperature
32 °F to 102 °F (0 °C to 38.9 °C)
Shipping Temperature
-20 °F to 120 °F (-28.9 °C to 48.9 °C)
Operating Relative Humidity
5% to 90% (non-condensing)
Physical Dimensions in inches (mm) (H x W x D)
4-1/16” H x 4-1/16” W x 1-5/32” D
103.5 mm H x 103.5 mm W x 29 mm D
Electrical Ratings
Terminal
Voltage
(50/60Hz)
Running
Current
W
Heating
20-30 Vac
0.02-1.0 A
(Powerpile)
750 mV DC
100 mA DC
Y
Compressor Stage 1
20-30 Vac
0.02-1.0 A
G
Fan
20-30 Vac
0.02-0.5 A
O/B
Changeover (TH1110D only)
20-30 Vac
0.02-0.5 A
