Installer Setup (ISU)

Installer Options

On initial setup the thermostat will enter the ISU menu. If entering the ISU menu after initial setup, follow the steps below:

  1. Press and hold the bottom left button and Up arrow button for 5 seconds to access the INSTALLER SETUP (ISU).

  2. The ISU number is on the left. The ISU setting is on the right.

    When an ISU number is displayed, press or to change the setting.

  3. After choosing the correct setting for an ISU, press NEXT to advance to the next ISU setting.

  4. To finish setup, press the SAVE button.

Installer Setup Options (ISU)

Note: Depending on system settings, not all options may be available.

# ISU

ISU Name

ISU Options (factory defaults are bold)

1050

Temperature Indication Scale

F = Fahrenheit

C = Celsius

1060

Outdoor Sensor (TH1210U4001 & TH1320U4002 only. For lockouts only. Does not display)

0 = None

1 = Wired Outdoor Sensor

2000

Heating System Type (default setting varies by model)

1 = Conventional Forced Air Heat

2 = Heat Pump

3 = Radiant Heat

5 = None (Cool Only)

2010

Heating Equipment Type

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:

7 = Air to Air Heat Pump

8 = Geothermal Heat Pump

 

Radiant Heat:

9 = Hot Water Radiant Heat

12 = Steam

2060

Reversing Valve O/B

0 = O (O/B in Cool)

1 = B (O/B in Heat)

2070

Compressor Stages

0, 1, 2

Note: Only 1 compressor stage available on TH1110U4000 & TH1210U4001

2071

Heat Stages / Backup Heat Stages

Heat Stages: 1, 2

Backup Heat Stages: 0, 1 (TH1210U4001 & TH1320U4002 only)

2110

Fan Control in Heat

1 = Equipment Controls Fan

2 = Thermostat Controls Fan

Note: Only shown if 2010 = 4 or 5

2175

Aux/E terminal control
(TH1210U4001 & TH1320U4002 only)

0 = Drive both Aux & E together

1 = Aux and E independent

2180

Backup Heat Source (Heat Pump Only)
(TH1210U4001 & TH1320U4002 only)

31 = Electric Forced Air

32 = Standard Efficiency Gas Forced Air

33 = High Efficiency Gas Forced Air

34 = Oil Forced Air, Hot Water Fan Coil

36 = Hot Water Radiant Heat

2185

Emergency Heat Source
(TH1210U4001 & TH1320U4002 only)

3000

System Changeover

0 = Manual

1 = Automatic

3015

Auto Changeover Differential

0 °F to 5 °F

0.0 °C to 2.5 °C

Note: The Differential setting is the minimum number of degrees from set-point needed to switch from the last mode running (Heat or Cool) to the opposite mode when the thermostat is in auto-changeover.

3020

Finish With High Cool Stage

0 = No

1 = Yes

Note: TH1320U4002 only.

3021

Finish With High Heat Stage

0 = No

1 = Yes

Note: TH1210U4001 & TH1320U4002 only.

3090

Backup Heat Droop

[0] = Comfort

2 °F to 15 °F (in 1 °F increments)

1.0 °C to 7.5 °C (in 0.5 °C increment).

Note: 0 (comfort) setting only available if Backup Heat (ISU 2180) is set to Electric. (TH1210U4001 & TH1320U4002 only.)

3110

Upstage Timer for Backup Heat

0 = Off

1 = 30 minutes

2 = 45 minutes

3 = 60 minutes

4 = 75 minutes

5 = 90 minutes

6 = 2 hours

7 = 3 hours

8 = 4 hours

9 = 5 hours

10 = 6 hours

11 = 8 hours

12 = 10 hours

13 = 12 hours

14 = 14 hours

15 = 16 hours

Note: (TH1210U4001 & TH1320U4002 only) If 3090 = 0 and 2180 = 31, 3110 only has settings 0-3).

3120

Compressor Lockout / Balance Point (TH1210U4001 & TH1320U4002 only)

0 = Off

1 = -15°F (-26°C)

2 = -10°F (-23.5°C)

3 = -5°F (-20.5°C)

4 = 0°F (-18°C)

5 = 5°F (-15°C)

10 = 10°F (-12°C)

15 = 15°F (-9.5°C)

20 = 20°F (-6.5°C)

25 = 25°F (-4°C)

30 = 30°F (-1°C)

35 = 35°F (1.5°C)

40 = 40°F (4.5°C)

45 = 45°F (7°C)

50 = 50°F (10°C)

55 = 55°F (13°C)

60 = 60°F (15.5°C)

3121

Outdoor Lockout Backup Heat

(TH1210U4001 & TH1320U4002 only)

0 = Off

5 = 5°F (-15°C)

10 = 10°F (-12°C)

15 = 15°F (-9.5°C)

20 = 20°F (-6.5°C)

25 = 25°F (-4°C)

30 = 30°F (-1°C)

35 = 35°F (1.5°C)

40 = 40°F (4.5°C)

45 = 45°F (7°C)

50 = 50°F (10°C)

55 = 55°F (13°C)

60 = 60°F (15.5°C)

65 = 65°F (18.5°C)

3125

Lockout Fan after a Cool call

[0] = Off

1 = 5 min

2 = 10 min

3 = 15 min

4 = 20 min

5 = 25 min

6 = 30 min

7 = 35 min

8 = 40 min

9 = 45 min

10 = 50 min

11 = 55 min

12 = 60 min

13 = 65 min

14 = 70 min

15 = 75 min

16 = 80 min

17 = 85 min

18 = 90 min

19 = 95

20 = 100 min

21 = 105 min

22 = 110 min

23 = 115 min

24 = 120 min

3140

Compressor Cycle Rate (Stage 1)

1 - 6

3141

Compressor Cycle Rate (Stage 2)

1 - 6 (TH1320U4002 only)

3150

Heating Cycle Rate (Stage 1)

1 - 12

3151

Heating Cycle Rate (Stage 2)

1 - 12 (TH1320U4002 only)

3160

Heating Cycle Rate Auxiliary Heat

1 - 12 (TH1210U4001 & TH1320U4002 only)

3165

Heating Cycle Rate Emergency Heat

1 - 12 (TH1210U4001 & TH1320U4002 only)

3240

Compressor Protection

0 = Off

1 - 5 minutes

4100

Maximum Cool Setpoint

50°F to 99°F

10.0°C to 37.0°C

4101

Minimum Cool Setpoint

50°F to 99 °F

10.0°C to 37.0 °C

4102

Maximum Heat Setpoint

40°F to 90°F

4.5°C to 32.0°C

4103

Minimum Heat Setpoint

32 °F to 50 °F (Default is 40 °F)

0 °C to 10.0 °C (Default is 4.5 °C)

7110

Air Filter Replacement Reminder

0 = Off

1 = 10 Run Time Days

2 = 20 Run Time Days

3 = 30 Run Time Days

4 = 45 Run Time Days

5 = 60 Run Time Days

6 = 90 Run Time Days

7 = 120 Run Time Days

8 = 150 Run Time Days

9 = 30 Calendar Days

10 = 45 Calendar Days

11 = 60 Calendar Days

12 = 75 Calendar Days

13 = 3 Calendar Months

14 = 4 Calendar Months

15 = 5 Calendar Months

16 = 6 Calendar Months

17 = 9 Calendar Months

18 = 12 Calendar Months

19 = 15 Calendar Months

14003

Backlighting

0 = On Demand

1 = Continuous

Note: Common wire needed for continuous.

14004

Backlight brightness

1 - 5

Note: Only displayed if Continuous backlight selected.

14005

Idle screen selection

0 - Minimum Information shown

2 - Maximum display information shown

14020

Temperature Display Offset

-3°F to 3°F (0)

-1.5°C to 1.5°C (0)

Video: Configure ISU Settings

Watch this video to see how to configure ISU settings on the FocusPRO® N100 Series Thermostat

Video: Lock out fan after call for Cool

Watch this video to understand the importance of using the fan lockout feature after a cooling call and learn how to configure it on the FocusPRO® N100 Series Thermostat.

Video: Control Options for Heat Pump Applications on the FocusPRO® N100 Series Thermostat

Watch this video to explore the control options available for heat pump applications on the FocusPRO® N100 Series Thermostat.