T775P SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER
25 62-0256—11
Fig. 60. Setup Differential Alarm.
1.4.3. DIF ALARM
The Differential Alarm activates when the difference 
between Sensors A and C drops below the DIF LIMIT.
1. From the Alarms menu, use the  and  buttons to 
select DIF ALARM.
2. Press the  button to display the alarm options.
3. Use the  and  buttons to select YES or NO.
Default: NO
4. Press the  button to accept the value and display 
the Alarms menu.
Selecting YES displays the DIF LIMIT option on the 
Alarms menu once you exit this screen. Continue with 
“1.4.3.1. DIF LIMIT”.
For systems with no differential limit alarm, select NO, 
press the  button, and continue with “1.5. Exiting Setup”.
Fig. 61. Setup Differential Alarm Limit.
1.4.3.1. DIF LIMIT
The differential alarm limit is the minimum temperature 
difference between Sensors A and C that causes the 
alarm to activate.
1. From the Alarms menu, use the and  buttons to 
highlight DIF LIMIT.
2. Press the  button to display the differential alarm 
limit minimum temperature.
3. Use the  and  buttons to increase/decrease the 
temperature.
Default: 30°F (°C)
Range: 0 to 200°F (-18 to 93°C)
4. Press the  button to accept the value and display 
the Alarms menu.
5. Press the  button to exit the Alarms menu and 
return to the Setup menu.
This completes the Alarm setup. Continue with “1.5. 
Exiting Setup”.
Fig. 62. Setup Exit.
1.5. Exiting Setup
Press the HOME button to exit Setup mode and return to 
the home screen display.
or
Use the  and  buttons to highlight EXIT from the 
Setup menu and press the  button.
This completes the Setup procedure.
SETUP
ALARMS
DIF ALARM
M24686
YES
NO
ENABLE
MIN DIF-
FERENTIAL
ALARM
SETUP
  ALARMS
 DIF ALARM
ENABLE
ALARM
DIF-
FERENTIAL
LIMIT
SETUP
ALARMS
DIF LIMIT
M24687
30
F
o 
SETUP
  ALARMS
 DIF LIMIT
SETUP
SENSORS
OUTPUTS
ALARMS
EXIT
M24688