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Ice Maker
RNS012
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Manitowoc RNS012 - Page 124
124 pages
Manual
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Manito
w
oc
Manitowoc I
ce
21
10 South 26th Street, P
.O. Box 1720
Manitowoc,
WI 54221
-1720, U
SA
Ph: 920-6
82-0161 Fa
x: 920-68
3-7589
Visit us online a
t:
www.manit
owoci
ce.co
m
© 2
01
3
Part Nu
mber ST
H044 10/
13
123
Table of Contents
Main Page
Default Chapter
3
Safety Notices
3
Table of Contents
9
General Information
13
Model Numbers
13
Model/Serial Number Location
13
Manitowoc Cleaner and Sanitizer
13
Ice Machine Warranty Information
14
Commercial Warranty
14
Residential Warranty
17
Installation
21
Location of Ice Machine
21
Ice Machine Clearance Requirements
22
Ice Machine Heat of Rejection
22
Electrical Service
23
Circuit Ampacity
23
Ice Machine Head Section Water Supply and Drains
24
Potable Water Supply
24
Potable Water Inlet Lines
24
Drain Connections
25
Operation
27
Ice Making Sequence of Operation
27
RNS012 - RNS020 Nugget Machines
27
Touch Pad Sequence of Operation
29
Sequence of Operation Chart
30
Water Level Check
31
Maintenance
33
Manitowoc's Cleaning Technology
34
Exterior Cleaning
35
Preventative Maintenance Procedure
36
Heavily Scaled Cleaning Procedure
39
Cleaning and Sanitizing Procedure
41
Component Disassembly for Cleaning and Sanitizing
44
General Information
44
Water Dump Valve
58
Cleaning the Condenser
60
Removal from Service/Winterization
61
General
61
Troubleshooting
63
Safeguard Feature
63
Safeguards
65
No Water
65
No Ice Production
66
Ice Machine will Not Run Diagnostics
68
Refrigeration Diagnostics
74
Before Beginning Service
74
Installation/Visual Inspection Checklist
74
Water System Checklist
75
Ice Production/Quality Check
76
Analyzing Discharge Pressure
77
Analyzing Suction Pressure
79
Suction Pressure Low Checklist
80
Component Check Procedures
81
Main Fuse
81
ICE/OFF/CLEAN Toggle Switch
82
Float Switch
83
Ice Damper and Hall Effect Switches
84
Selector Switch
87
Dispense Lever Activated
87
Touchless Sensor Activated
88
Dispense Switch
90
Touchless Sensor
91
High Pressure Cutout Control
92
Fan Cycle Control
93
Low Pressure Cutout (LPCO) Control
94
Compressor Electrical Diagnostics
95
Diagnosing Start Components
97
Refrigerant Recovery/Evacuation
99
Normal Self-Contained Procedures
99
System Contamination Clean-Up
103
Determining Severity of Contamination
103
Cleanup Procedure
105
Replacing Pressure Controls Without Removing Refrigerant Charge
108
Component Specifications
111
Main Fuse
111
ICE/OFF/CLEAN Toggle Switch
111
High Pressure Cutout (HPCO) Control
111
Filter-Driers
111
Total System Refrigerant Charge
112
Cycle Times/24-Hour Ice Production/Refrigerant Pressure Charts
113
Rns012A/Rns020A
114
Wiring Diagrams
117
Rns012/Rns020 115/60/1 & 230/50/1
118
Electronic Control Board
119
RNS012 - RNS020 Control Board
119
Rns012 - Rns020
119
Refrigeration Tubing Schematic
121
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