Sentry II with Water Works Box Operating Instructions Effective April 1, 2000
Part No. 8823728 Revised November 10, 2003
7.4 Cooling All Units Switch
1. With the rotary selector switch in the Cool position, press the Cooling All Units switch once to
initiate the time-delayed start of the side refrigeration unit(s). The lamp will flash until the
programmable time-delay expires. The programmable time delay may be adjusted between 0-120
minutes. See Sections 6.1 and 6.2 (11-15).
NOTE: The time delay for Cooling All Units will not start timing until the Cooling Bottom Units
time delay expires.
2. After the Cooling All Units time delay expires, the lamp will remain on, and the side refrigeration
unit(s) will energize if the temperature control is calling for cooling.
3. Pressing the Cooling All Units selector switch a second time will by-pass the programmable time
delay and immediately start the bottom and side refrigeration units.
4. To cancel all refrigeration units, turn the Cool – Off – Wash rotary selector switch to the Off
position.
7.5 Pre-Start Cooling Switch
1. With the rotary selector switch in the Cool position and Cooling Bottom Units and/or Cooling
All Units in the automatic cool position, press the Pre-Start Cooling switch once to initiate an
automatic override of the agitator(s) and refrigeration unit(s). The Pre-Start Cooling mode may
be programmed for 30 or 60 minutes. See Sections 6.1 and 6.2 (16-20).
2. After the programmed time period expires, the refrigeration unit(s) will return to the normal
cooling mode.
3. This feature will pre-cool and blend the milk to 34°F (1.1°C) at the onset of the second, third, or
fourth milkings.
4. To cancel Pre-Start Cooling press the switch a second time.
7.6 Pre-Start Agitator Switch
1. With the rotary selector switch in the Cool position and Cooling Bottom Units and/or Cooling
All Units in the automatic cool position, press the Pre-Start Agitator switch once to initiate
manual agitation for programmed period of 30 or 60 minutes. See Section 6.1 and 6.2 (21-25).
2. This feature blends the warm incoming milk at the onset of the second, third, or fourth milkings.
3. To cancel Pre-Start Agitator press the switch a second time.
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