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Manitowoc b970 series User Manual
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36
Part Number STH025 8/12
Additional Refrigerant Charge For
51’ to 100’ Line Set
s
Ice
Machine
Condenser
Additional
Amount o
f
Refrigerant T
o Be
Added T
o Namep
late
Charg
e
I0590N
JC0495
1.5 lbs - 680g
I0690N
JC0895
1.5 lbs - 680g
I0890N
JC0895
2 lbs - 907g
I1090N
JC0995
2 lbs - 907g
I1490N
JC1395
2 lbs - 907g
I1890N
JC1395
2 lbs - 907g
35
37
Table of Contents
Default Chapter
3
Safety Notices
3
Table of Contents
11
General Information
17
How to Read a Model Number
17
Head Sections
17
Ice Cube Sizes
18
Model/Serial Number Location
18
Model Numbers
19
Air-Water-Remote Condenser Models
19
Ice Machine Warranty Information
21
Owner Warranty Registration Card
21
Commercial Warranty Coverage
22
Residential Ice Machine Limited Warranty
24
Ice Machine Heat of Rejection
29
Installation
29
Ice Deflector
29
Location of Ice Machine
30
Lineset Applications
31
Ice Machine on a Dispenser Installation 33
31
Clearance Requirements
31
Air, Water, Remote Condenser Models
31
Ice Machine Heat of Rejection
32
Installation on a bin
33
Ice Machine on a Dispenser Installation
33
Lineset Applications
34
Remote Condenser
35
Additional Refrigerant Charge for 51' to 100' Line Sets
36
Calculating Allowable Lineset Distance
37
Cleaning and Sanitizing
39
General
39
Cleaning/Sanitizing Procedure
41
Preventative Maintenance Cleaning Procedure
41
Exterior Cleaning
41
Cleaning / Sanitizing Procedure
42
Cleaning Procedure
42
Sanitizing Procedure
45
Parts Removal for Cleaning/Sanitizing
48
Preventative Maintenance Cleaning Procedure
54
Removal from Service/Winterization
56
Air-Cooled Ice Machines
56
Water-Cooled Ice Machines
57
Operation
59
Control Panel Features
59
Buttons
59
Display Panel
60
Menu Navigation Overview
61
Display Panel Navigation
62
Alerts and Messages
64
Main Menu
65
Machine Info Menu
66
Reset Password to Factory Defaults
66
Set-Up Menu
67
Language
68
Time & Date
68
Time Configuration
70
Units
70
Ice Clarity
71
LCD Brightness
71
Password Entry
72
Clean Minder
73
Iaucs Runtime
74
Air Filter
74
Water Filter
75
Luminice™ Reminder
76
Ice bin Level Sensor
77
USB Setup
77
Energy Saver Menu
78
Ice Program
79
Water Miser
80
Statistics
80
Factory Defaults
81
Service Menu
82
Data History
84
Real Time Data
85
Diagnostics
87
Manual Harvest
88
Replace Control Board
88
USB Setup
88
Event Log Menu
89
Event Log
90
Usb Flash Drive Specifications and Formatting
94
Upgrading Firmware with a Flash Drive
96
Exporting Data to a Flash Drive
98
Operational Checks
100
General
100
Ice Thickness Check
101
Sequence of Operation
102
Self Contained Air or Water Cooled
102
Energized Parts Chart Self Contained Models
106
Remote Condenser
108
Energized Parts Chart Remote Models
111
Troubleshooting
113
Safety Limits
113
Safe Operation Mode
113
Analyzing Why a Safety Limit Stopped the Ice Machine
114
Safety Limit #1
115
Safety Limit #2
116
Troubleshooting by Symptom
117
Reset to Factory Defaults
118
Symptom #1 Ice Machine will Not Run
119
Symptom #2 - Low Production, Long Freeze Cycle
122
Symptom #2 - Freeze Cycle Refrigeration System Operational Analysis Tables
125
Symptom #3 & #4 Harvest Problems Self-Contained Air, Water & Remote Con- Denser Models
154
Symptom #3 Self-Contained Air or Water-Cooled
155
Symptom #3 - Remote Condenser
157
Symptom #4 Self-Contained Air, Water-Cooled or Remote
159
Component Check Procedures
161
Electrical Components
161
Control Board, Display Board and Touch Pad
161
Control Board Relay Test
164
Programming a Replacement Control Board
165
Main Fuse
167
Bin Switch
168
Water Level Control Circuitry
171
Ice Thickness Probe (Harvest Initiation)
177
High Pressure Cutout (HPCO) Control
182
Fan Cycle Control
185
Thermistors
186
Harvest Assist Air Pump
189
Compressor Electrical Diagnostics
190
Diagnosing Start Components
192
Refrigeration Components
195
Head Pressure Control Valve
195
Refrigerant Recovery/Evacuation
199
Harvest Pressure Regulating (HPR) System
199
Remote Condenser Only
199
Water Regulating Valve
202
Refrigerant Recovery/Evacuation
203
Self-Contained Model Procedure
203
Remote Condenser Model Procedure
207
System Contamination Clean-Up
213
Determining Severity of Contamination
213
Cleanup Procedure
215
Replacing Pressure Controls Without Removing Refrigerant Charge
218
Liquid Line Filter-Driers
219
Total System Refrigerant Charge
220
Cycle Times/24-Hour Ice Production/ Refrigerant Pressure Charts
221
I0300 Series
222
Operating Pressures
223
I0320 Series
224
I0450 Series
226
I0500 Series
228
I0520 Series
231
I0600 Series
233
I0850 Series
236
I1000 Series
239
I1200 Series
242
I1400 Series
244
I1800 Series
247
Wiring Diagrams
251
Wiring Diagram Legend
251
I0300/I0450/I0500/I0520
252
I0320
253
I0500
254
I0600/I0850/I1000/I1200
255
I0600/I0850/I1000
256
I1400/I1800
257
I1400/I1800
258
Electronic Control Board
259
Refrigeration Tubing Schematics
260
Self-Contained Air or Water -Cooled
260
Remote Condenser Models
261
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Manitowoc b970 series Specifications
General
Brand
Manitowoc
Model
b970 series
Category
Ice Maker
Language
English
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