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Mueller SENTRY II User Manual

Mueller SENTRY II
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Section 3.0 - Electrical Wiring -
Continued
Figure 16—Electrical Schematic - Wash Pump Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Figure 17—Electrical Schematic - Agitator Motor(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Figure 18—Electrical Schematic - Rear Junction Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Figure 19—Internal Conduit Raceways - Milk Cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Figure 20—Electrical Schematic - Field Wiring (enlarged schematic in back of manual) . . . . . . . . . . .19
Figure 21—Electrical Schematic - Factory Wiring (enlarged schematic in back of manual) . . . . . . . . .20
Figure 22—Sentry II Relay and Switch Contact Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
3.2 PLC Electrical Troubleshooting (Input and Output Data) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Table 1—PLC Inputs and Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Figure 23—Electrical Schematic - PLC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Figure 24—Electrical Schematic - Peristaltic Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Section 4.0 - Sentry II Temperature Control
4.1 Sentry II Temperature Control and Thermocouple Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
4.2 Sentry II Thermocouple Sensor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Figure 25—Sentry II Thermocouple Sensor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
4.3 Sentry II Thermocouple Sensor Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Figure 26—Sentry II Thermocouple Sensor Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
4.4 Important Thermocouple Splicing Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Figure 27—Sentry II Thermocouple - Temperature Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .27
4.5 Sentry II Temperature Control Calibration Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
4.6 Sentry II Temperature Control Lock and Unlock Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Figure 28—Sentry II Temperature Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
4.7 Sentry II Temperature Control Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
4.8 Sentry II Temperature Control Set Point Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
4.9 Sentry II Temperature Control Unit of Measure (Fahrenheit or Celsius) . . . . . . . . . . . . . . . . . . . . . . .30
Section 5.0 - Automatic Chemical Dosing
5.1 Initial Start-Up Procedures for Automatic Dosing and Chemical Usage . . . . . . . . . . . . . . . . . . . . . . . .31
5.2 Peristaltic Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
5.3 Chemical Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
5.4 Peristaltic Pump Priming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Figure 29—Peristaltic Pump Priming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
5.5 Adjusting Peristaltic Pump Timers for Proper Chemical Concentration . . . . . . . . . . . . . . . . . . . . . . . .33
Figure 30—Peristaltic Pump Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Table 2—Timer Selections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Table 3A—Peristaltic Pump Timing for Specific Chemical Concentrations (2-240 Seconds) . . . . . . . . .34
Table 3B—Peristaltic Pump Timing for Specific Chemical Concentrations (240-478 Seconds) . . . . . . .35
Table 3C—Peristaltic Pump Timing for Specific Chemical Concentrations (478-726 Seconds) . . . . . . .36
5.6 Determining Water Usage Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Figure 31—PLC Fill-Time Potentiometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Table 4—Minimum Water Requirements (Per Cycle) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
5.7 Determining Actual Water Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Table 5—Calculated Water Usage (Fill-Time/Supply Pressure) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
5.8 Wash Cycle Timing Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Chart 1—Detergent Wash or Complete Wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Chart 2—Acid Cycle or Sanitize Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Table of Contents -
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Mueller SENTRY II Specifications

General IconGeneral
BrandMueller
ModelSENTRY II
CategoryController
LanguageEnglish

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