Sentry II with Water Works Box Operating Instructions Effective April 1, 2000
Part No. 8823728 Revised November 10, 2003
7.11 Alarm Lamp
1. The Alarm lamp provides visual aid of the following alarm conditions:
a. Flashing at 1
1
/
2
second intervals: The milk temperature is above a safe holding temperature.
b. Flashing at
1
/
2
second intervals: The milk temperature is below a safe holding temperature and
near freezing. (Call a Mueller Authorized Service Technician.)
c. Constant illumination: Wash water did not enter the milk cooler within 2 minutes of a fill cycle.
(Call a Mueller Authorized Service Technician.)
2. To test the Alarm lamp turn the rotary selector switch to the “OFF” position and press the
Detergent cycle switch.
7.12 Milk Temperature Display
The Milk Temperature display provides a digital readout of the product temperature. To ensure
calibration accuracy and safe product holding temperatures, check and compare the actual product
temperature with an accurate secondary thermometer on a regular basis. See Sections 4.6 - 4.9.
7.13 Cooling Override Switch (Emergency Use Only)
1. The Sentry II has an emergency override switch located inside the enclosure. This will override the
temperature control and several other components and engage the bottom refrigeration unit(s) and
agitator(s) in an emergency situation.
2. To access and activate this switch, turn the power off to the Sentry II control box, open the door
and move this switch to the Manual position. Close the door, turn selector switch to the Cool
position, and reapply power.
IMPORTANT NOTE: There will be no automatic temperature control in the Manual Override
position. When the product temperature is at a safe holding temperature, turn the power supply off to
the Sentry II control. (This is for emergency cooling only and an authorized Mueller Technician should
be contacted for immediate service.)
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