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SENTRY II
Mueller SENTRY II User Manual
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5.8
W
ash Cycle Timing Sequence
The Sentry II provides several programming options for the wash cycles. See Section 6 for detailed
information.
Char
t 1 - (Detergent W
ash or Complete W
ash)
NOTE:
Fill and drain times are charted with the PLC potentiometer turned to the far counterclockwise
position. See Section 5.6 and Figure 31.
Sentry II with Auto-Dosing Assembly Operating Instructions
39
Effectiv
e April 1, 2000
44
46
Table of Contents
Default Chapter
3
Table of Contents
3
Section 1.0 - Introduction Page
7
General
7
Technical Support
7
Regulatory Requirements
7
Figure 1 - Sentry II Control Cabinet and Milk Cooler Components
8
Section 2.0 - Installation
9
Crate Removal
9
Skid Removal
9
Site Requirements
10
Hot Water Requirements
10
Water Supply Pressure
10
Electrical Requirements
10
Foundation Requirements
11
Formula 1-Gross Weight of Milk Cooler
11
Leveling the Milk Cooler
12
Bulk Head Installations
13
Milk Room Installations
14
Agitator Assembly Installation
15
Pump Assembly and Electric Drain Installation
16
Instructions for Mounting the Sentry II Control Box Enclosures
17
Water Line Connections
17
Chemical Line Connections
18
Manway Wash Tube Installation
19
Spray Dish Installation
20
Milk Cooler Vent Assembly Installation
21
Section 3.0 - Electrical Wiring
22
Field Electrical Connections at Milk Cooler's Rear Junction Box
22
Figure 16—Electrical Schematic - Wash Pump Motor
23
Figure 19—Internal Conduit Raceways - Milk Cooler
24
Figure 22—Sentry II Relay and Switch Contact Positions
27
PLC Electrical Troubleshooting (Input and Output Data)
28
Figure 23—Electrical Schematic - PLC
29
Figure 24—Electrical Schematic - Peristaltic Pumps
30
Section 4.0 - Sentry II Temperature Control
31
Sentry II Temperature Control and Thermocouple Sensor
31
Sentry II Thermocouple Sensor Installation
31
Sentry II Thermocouple Sensor Wiring
32
Important Thermocouple Splicing Information
33
Sentry II Temperature Control Calibration Accuracy
33
Sentry II Temperature Control Lock and Unlock Features
34
Sentry II Temperature Control Calibration
35
Sentry II Temperature Control Set Point Adjustment
36
Sentry II Temperature Control Unit of Measure (Fahrenheit or Celsius)
36
Section 5.0 - Automatic Chemical Dosing
37
Initial Start-Up Procedures for Automatic Dosing and Chemical Usage
37
Peristaltic Pumps
37
Chemical Cautions
37
Peristaltic Pump Priming
38
Adjusting Peristaltic Pump Timers for Proper Chemical Concentration
39
Table 3A—Peristaltic Pump Timing for Specific Chemical Concentrations (2-240 Seconds)
40
Table 3B—Peristaltic Pump Timing for Specific Chemical Concentrations (240-478 Seconds)
41
Table 3C—Peristaltic Pump Timing for Specific Chemical Concentrations (478-726 Seconds)
42
Determining Water Usage Requirements
43
Determining Actual Water Usage
44
Table 4—Minimum Water Requirements (Per Cycle)
44
Wash Cycle Timing Sequence
45
Chart 1-Detergent Wash or Complete Wash
45
Chart 2-Acid Cycle or Sanitize Cycle
46
Section 6.0 - Sentry II PLC Programming
47
Sentry II Programmable Features, Options, and Recommendations
47
Sentry II - MTA to PLC Programming Procedures
48
Sentry II Service Reference Form, Programmable Features
57
Section 7.0 - Operating Instructions
58
General
58
Cool-Off-Wash" Rotary-Selector Switch
58
Cooling Bottoms Units Switch
58
Cooling All Units Switch
59
Pre-Start Cooling Switch
59
Pre-Start Agitator Switch
59
Detergent Cycle Switch
60
Acid Cycle Switch
60
Sanitize Cycle Switch
60
Agitate Sample Switch
60
Alarm Lamp
60
Milk Temperature Display
61
Cooling Override Switch (Emergency Use Only)
61
Section 8.0 - Weights and Dimensions
62
English Weights and Dimensions
62
Metric Weights and Dimensions
63
Section 9.0 - Sentry II Replacement Parts
64
Sentry II Replacement Parts Drawing, Main Control
64
Sentry II Replacement Parts List, Main Control
65
Sentry II Replacement Parts Kit, Dosing and Manifold Box
66
Sentry II Replacement Parts List, Dosing and Manifold Box
67
Sentry II Replacement Parts Kit, Pump Assembly
68
Sentry II Replacement Parts List, Pump Assembly
69
Section 10.0 - Sentry II Equipment Markings
70
Label No. 8822229, Lock out
70
Label No. 8820482, Caution - Disconnect Power and Retain Latch
70
Label No. 8820623, Warning Symbol - Electrical
70
Label No. 8805616, Manual - Run Position
70
Label No. 8820248, Auto - Automatic Run Position
71
Label No. 8823064, Acid - Timer
71
Label No. 8823063, Detergent - Timer
71
Label No. 8823065, Sanitize - Timer
71
Label No. 8822584, Pump Motor - Wire Marker
71
Label No. 8802375, Agitator(S) - Wire Marker
71
Label No. 3791, Hot - Water Valve Marker
71
Label No. 8823609, Warning - Manifold Box
72
Label No. 8823013, Warning - Disconnect Power before Servicing
72
Label No. 8801150, Warning - Disconnect Power before Servicing
72
Label No. 8822225, CE Data Tag (U.K. Models Only)
73
Label No. 8820410, Data Tag (U.K. Models Only)
73
Label No. 30612, Notice - Chart Accuracy
73
Section 10.0 - Sentry II Equipment Markings - Continued
74
Label No. 8820454, Dry Nitrogen Holding Charge
74
Label No. 8805299, Warning - HCFC Class II Refrigerant
74
Label No. 30737, Bottom Temp-Plate
74
Label No. 8822972, Transformer Wiring
75
Label No. 8822705, Canadian and U.S. Certification
75
Label No. 8822948, 24 VAC Component List
75
Label No. 8820409, Mueller Name Tag
76
Label No. 8822980, Programmable Controller Name Tag
76
Label No. 8822558, Mueller Milk Cooler Data Tag
76
Label No. 30890, Mueller Data Tag - Control Box
77
Label No. 8820677, Ground Symbol
77
Label No. 3792, Cold - Water Valve Marker
77
Label No. 30397, Stainless Steel Symbol
77
Label No. 30166, Caution - Vent Must be over Milk Inlet
78
Label No. 8820508, Hot - Tube Marker
78
Label No. 8802777, Caution - Do Not Sanitize
78
Label No. 8823146, Terminal Block - 24 VAC - 240 VAC
79
Label No. 8823263, Terminal Block - 24 VAC - 240 VAC
79
Section 11.0 - Safety
80
General
80
Manway
80
Section 12.0 - Disposal
81
General
81
Chemical Disposal
81
Solid Component Disposal
81
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Mueller SENTRY II Specifications
General
Brand
Mueller
Model
SENTRY II
Category
Controller
Language
English
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