Helmer iB111 (Version A) - Manual Chamber Alarm Test

360077-1/O 31
i.Series® - All Models
Cancel the test:
1 Press the MAIN button.
2 Press the DOWN button to select System Alarm Test & Status. Press the SELECT button.
► The System Alarm Test & Status screen appears.
3 Press the DOWN button to select Cancel High or Low Test. Press the ENTER button.
► The test is cancelled.
NOTE When cancelling an automatic test, the message indicating the test is in progress clears
immediately. If a setpoint was reached before the test was cancelled, the alarm activates
and clears, as described earlier.
8.9.2 Manual Chamber Alarm Test
NOTICE Before testing alarms, protect items in refrigerator from extended exposure to adverse
temperature.
IMPORTANT Perform the low alarm test before the high alarm test to control the temperature more
closely and complete the testing more quickly.
Obtain:
► (2) 8 oz. (250 mL) glass half-full of chilled water
► (1)glasslledwithcrushedice
► (1) 8 oz. (250 mL) glass half-full of warm water
NOTICE Temperature probes are fragile; handle with care.
Test the low alarm:
1 Identify setting for low alarm setpoint.
2 Remove chamber temperature probe from bottle.
3 Immerse probe in chilled water.
4 While stirring probe in chilled water, add approximately one teaspoon (5 mL) of ice every 20 seconds.
Ensure probe is at the bottom of the glass.
5 When low temperature alarm activates, note the temperature on the i.Center display.
6 Compare the temperature at which the alarm activates to the low alarm setpoint. If values do not
match, calibrate the temperature probe.
Test the high alarm:
1 Identify setting for high alarm setpoint.
2 While stirring probe in chilled water, add warm water so temperature increases 0.5 °C per minute.
3 When high temperature alarm activates, note the temperature on the i.Center display.
4 Compare the temperature at which the alarm activates to the high alarm setpoint. If values do not
match, calibrate the temperature probe.
5 Remove probe from warm water.
6 Place temperature probe in probe bottle, immersing it at least 2” (50 mm).