Manitowoc QD0422A Spezifikationen PDF herunterladen (Seite 94)

86 Part Number STH044 10/13

LOW PRESSURE CUTOUT (LPCO) CONTROL

FUNCTION

Stops the ice machine if the low side pressure is too

low. The LPCO control is closed at pressures above

setpoint and opens at pressures below setpoint.

CHECK PROCEDURE

1. Connect manifold gauge set to suction access

valve.

2. Disconnect wires from low pressure switch and

connect ohm meter across LPCO terminals.

Replace the LPCO control if it:

1. Is not closed at the specified setpoint.

2. Does not open at the specified setpoint.

Specifications

Cut-Out Cut-In

Current Production &

Replacement Part

17 psig ±5 35 psig ±7

1 2 ... 89 90 91 92 93 94 95 96 97 98 99 ... 123 124

Manitowoc 1
Safety Notices 3
Procedural Notices 3
! Warning 4
Table of Contents 9
2 Part Number STH044 10/13 10
Part Number STH044 10/13 3 11
4 Part Number STH044 10/13 12
General Information 13
Commercial Warranty 14
Part Number STH044 10/13 7 15
8 Part Number STH044 10/13 16
Residential Warranty 17
10 Part Number STH044 10/13 18
Part Number STH044 10/13 11 19
12 Part Number STH044 10/13 20
Installation 21
Ice Machine Heat of Rejection 22
Electrical Service 23
Supply and Drains 24
Part Number STH044 10/13 17 25
18 Part Number STH044 10/13 26
Operation 27
20 Part Number STH044 10/13 28
Part Number STH044 10/13 21 29
SEQUENCE OF OPERATION CHART 30
Part Number STH044 10/13 23 31
24 Part Number STH044 10/13 32
Maintenance 33
26 Part Number STH044 10/13 34
Part Number STH044 10/13 27 35
28 Part Number STH044 10/13 36
Amount of Cleaner 36
Part Number 000000084 36
Part Number STH044 10/13 29 37
30 Part Number STH044 10/13 38
Part Number STH044 10/13 31 39
Part Number STH044 10/13 33 41
Part Number STH044 10/13 35 43
And Sanitizing 44
Part Number STH044 10/13 37 45
6. Remove front cover 46
A. Lift up on front cover 46
7. Remove side panels 46
8. Remove ice chute cover 47
B. Lift to remove cover 47
9. Lift out ice damper 48
Part Number STH044 10/13 41 49
42 Part Number STH044 10/13 50
Part Number STH044 10/13 43 51
44 Part Number STH044 10/13 52
Part Number STH044 10/13 45 53
46 Part Number STH044 10/13 54
18. Remove ice deflector 55
48 Part Number STH044 10/13 56
Part Number STH044 10/13 49 57
50 Part Number STH044 10/13 58
Dump Valve Disassembly 59
52 Part Number STH044 10/13 60
Part Number STH044 10/13 53 61
54 Part Number STH044 10/13 62
Troubleshooting 63
56 Part Number STH044 10/13 64
SafeGuards 65
58 Part Number STH044 10/13 66
Reset Procedure 67
60 Part Number STH044 10/13 68
Ice Machine Will Not Run 69
62 Part Number STH044 10/13 70
Part Number STH044 10/13 63 71
64 Part Number STH044 10/13 72
Part Number STH044 10/13 65 73
Refrigeration Diagnostics 74
WATER SYSTEM CHECKLIST 75
68 Part Number STH044 10/13 76
Component Check Procedures 81
Part Number STH044 10/13 75 83
Step 3 Check for Continuity 83
Reading Result 83
Open Replace the switch 83
76 Part Number STH044 10/13 84
Part Number STH044 10/13 77 85
78 Part Number STH044 10/13 86
Part Number STH044 10/13 79 87
80 Part Number STH044 10/13 88
Part Number STH044 10/13 81 89
82 Part Number STH044 10/13 90
Depressed Closed 90
Released Open 90
Part Number STH044 10/13 83 91
Part Number STH044 10/13 87 95
88 Part Number STH044 10/13 96
Part Number STH044 10/13 89 97
90 Part Number STH044 10/13 98
92 Part Number STH044 10/13 100
Important 101
94 Part Number STH044 10/13 102
System Contamination Clean-Up 103
Contamination Cleanup Chart 104
Part Number STH044 10/13 101 109
USING PINCH-OFF TOOL 109
102 Part Number STH044 10/13 110
Component Specifications 111
Refrigerant Pressure Charts 113
SELF-CONTAINED AIR-COOLED 114
108 Part Number STH044 10/13 116
Diagrams 117
110 Part Number STH044 10/13 118
Electronic Control Board 119
112 Part Number STH044 10/13 120
RNS012 - RNS020 121
114 Part Number STH044 10/13 122

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