4.8 Sentry II Temperature Control Set Point Adjustment
The temperature control is factory programmed at 38°F (3.3°C) with a 1°F differential on rise and fall of
temperature. This setting turns the refrigeration off at 37°F (2.8°C) and on at 39°F (3.9°C).
The High and Low-Temperature Alarms are activated at 3°F above and 3°F below the programmed
temperature set point.
NOTE: The minimum and maximum set-point adjustments are regulated between 36-41°F (2.2-5.0°C).
1
Factory setting.
To change the factory settings:
1. Unlock the temperature control as instructed in Section 4.6.
2. Press either the or key once to display the current temperature set point.
3. Press and release either the or key to select the digit to be changed.
4. Adjust the temperature set point for the digit selected in step c, by pressing and holding the key
to increase, or the key to decrease.
5. Press and hold the key until the display stops blinking, then release to enter the change.
6. Press and release the key twice to return to the temperature display.
7. Lock the temperature control by pressing and holding the and keys simultaneously for 4
seconds. The display will blink once when the keys are released, informing you that the control
was successfully locked. See Section 4.6.
4.9 Sentry II Temperature Control Unit of Measure (Fahrenheit or Celsius)
1. Unlock the temperature control as instructed in Section 4.6.
2. Press and hold the key until the display stops flashing.
3. When the key is released “SHIF” will be displayed.
4. Press and release the key until “UNIT” is displayed.
5. Press and hold the to select °F or the key to select °C.
6. Press and hold the key until the display stops blinking, when released the temperature will
be displayed.
7. Lock the temperature control by pressing and holding the and keys simultaneously for 4
seconds. The display will blink once when the keys are released, informing you that the control
was successfully locked. See Section 4.6.
Sentry II with Auto-Dosing Assembly Operating Instructions 30 Effective April 1, 2000
Programmed Refrigeration Refrigeration High-Temp Low-Temp
Set Point ON OFF Alarm Alarm
36°F (2.2°C) 37°F (2.8°C) 35°F (1.7°C) 39°F (3.9°C) 33°F (0.6°C)
37°F (2.8°C) 38°F (3.3°C) 36°F (2.2°C) 40°F (4.4°C) 34°F (1.2°C)
38°F (3.3°C)
1
39°F (3.9°C)
1
37°F (2.8°C)
1
41°F (5.0°C)
1
35°F (1.7°C)
1
39°F (3.9°C) 40°F (4.4°C) 38°F (3.3°C) 42°F (5.5°C) 36°F (2.2°C)
40°F (4.4°C) 41°F (5.0°C) 39°F (3.9°C) 43°F (6.0°C) 37°F (2.8°C)
41°F (5.0°C) 42°F (5.5°C) 40°F (4.4°C) 44°F (6.6°C) 38°F (3.3°C)
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