Manitowoc QuietQube Indigo Series User manual

Technician’s
Handbook
This manual is updated as new information and models
are released. Visit our website for the latest manual.
www.manitowocice.com
America’s #1 Selling Ice Machine
Indigo™ Series
QuietQube Ice Machines
Part Number STH026 2/12
Manitowoc
Indigo_Model_Tech.book Page 1 Monday, February 20, 2012 1:17 PM

Indigo_Model_Tech.book Page 2 Monday, February 20, 2012 1:17 PM

Safety Notices
As you work on Manitowoc equipment, be sure to pay
close attention to the safety notices in this handbook.
Disregarding the notices may lead to serious injury
and/or damage to the equipment.
Throughout this handbook, you will see the following
types of safety notices:
Procedural Notices
As you work on Manitowoc equipment, be sure to read
the procedural notices in this handbook. These notices
supply helpful information which may assist you as
you work.
Throughout this handbook, you will see the following
types of procedural notices:
!Warning
Text in a Warning box alerts you to a potential
personal injury situation. Be sure to read the
Warning statement before proceeding, and work
carefully.
!Caution
Text in a Caution box alerts you to a situation in
which you could damage the equipment. Be sure
to read the Caution statement before proceeding,
and work carefully.
Important
Text in an Important box provides you with
information that may help you perform a
procedure more efficiently. Disregarding this
information will not cause damage or injury, but it
may slow you down as you work.
Indigo_Model_Tech.book Page 3 Monday, February 20, 2012 1:17 PM

NOTE: Text set off as a Note provides you with simple,
but useful, extra information about the procedure you
are performing.
Read These Before Proceeding:
!Caution
Proper installation, care and maintenance are
essential for maximum performance and trouble-
free operation of your Manitowoc equipment. If
you encounter problems not covered by this
handbook, do not proceed, contact Manitowoc
Foodservice. We will be happy to provide
assistance.
Important
Routine adjustments and maintenance
procedures outlined in this handbook are not
covered by the warranty.
!Warning
PERSONAL INJURY POTENTIAL
Do not operate equipment that has been
misused, abused, neglected, damaged, or
altered/modified from that of original
manufactured specifications.
We reserve the right to make product
improvements at any time. Specifications and
design are subject to change without notice.
Indigo_Model_Tech.book Page 4 Monday, February 20, 2012 1:17 PM

Part Number STH026 2/12 5
Table of Contents
General Information
How to Read a Model Number . . . . . . . . . 11
Head Sections . . . . . . . . . . . . . . . . . . . 11
ICVD Condensing Units . . . . . . . . . . . . . . 12
Ice Cube Sizes . . . . . . . . . . . . . . . . . . . . . 12
Model/Serial Number Location . . . . . . . . 13
Model Numbers . . . . . . . . . . . . . . . . . . . . . 14
QuietQube® Models . . . . . . . . . . . . . . 14
Ice Machine Warranty Information . . . . . 15
Owner Warranty Registration Card . . . 15
Commercial Warranty Coverage . . . . . 16
Residential Ice Machine Limited Warranty
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Installation
Stacking Two Ice Machines on a
Single Storage Bin . . . . . . . . . . . . . . . 23
Ice Deflector . . . . . . . . . . . . . . . . . . . . 23
Location of Ice Machine . . . . . . . . . . . . . . 24
Head Section . . . . . . . . . . . . . . . . . . . . 24
Ice Beverage Models . . . . . . . . . . . . . 25
Location of ICVD Condensing Units . . . . 26
Clearance Requirements . . . . . . . . . . . . . 27
Ice Machine Heat of Rejection . . . . . . . . . 28
I1470C/I1870C/I2170C
Installation on a Manitowoc Bin . . . . . . . 29
Ice Machine on a Dispenser Installation 30
Lineset Applications . . . . . . . . . . . . . . . . 31
QuietQube® Remote Condensing Unit 32
Additional Refrigerant Charge For
51’ to 100’ Line Sets . . . . . . . . . . . . . . 33
Calculating Allowable Lineset Distance 34
Indigo_Model_Tech.book Page 5 Monday, February 20, 2012 1:17 PM

6 Part Number STH026 2/12
Component Identification
I Model Single Evaporator Models . . . . . 37
Ice Beverage Models . . . . . . . . . . . . . . . . 38
ICVD0695/ICVD0895/ICVD1095/ICVD1195/
ICVD1295/ICVD1495 . . . . . . . . . . . . . . . . . 39
ICVD1895/ICVD2195 . . . . . . . . . . . . . . . . . 40
Maintenance
Cleaning and Sanitizing . . . . . . . . . . . . . 41
General . . . . . . . . . . . . . . . . . . . . . . . . 41
Cleaning/Sanitizing Procedure . . . . . . 43
Preventative Maintenance Cleaning Proce-
dure . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Exterior Cleaning . . . . . . . . . . . . . . . . 43
Cleaning / Sanitizing Procedure . . . . . . . 44
Cleaning Procedure . . . . . . . . . . . . . . 44
Sanitizing Procedure . . . . . . . . . . . . . 47
Parts Removal for Cleaning/Sanitizing 50
Operation
Control Panel Features . . . . . . . . . . . . . . 61
Buttons . . . . . . . . . . . . . . . . . . . . . . . . 61
Display Panel . . . . . . . . . . . . . . . . . . . 62
Menu Navigation Overview . . . . . . . . . . . 63
Display Panel Navigation . . . . . . . . . . . . 64
Alerts and Messages . . . . . . . . . . . . . . . . 66
Main Menu . . . . . . . . . . . . . . . . . . . . . . . . 67
Machine Info Menu . . . . . . . . . . . . . . . . . 68
Password Entry . . . . . . . . . . . . . . . . . . . . 69
Reset Password To Factory Defaults . 71
Indigo_Model_Tech.book Page 6 Monday, February 20, 2012 1:17 PM

Part Number STH026 2/12 7
Set-Up Menu . . . . . . . . . . . . . . . . . . . . . . . 72
Language . . . . . . . . . . . . . . . . . . . . . . 72
Time & Date . . . . . . . . . . . . . . . . . . . . 72
Time Configuration . . . . . . . . . . . . . . . 74
Units . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Ice Clarity . . . . . . . . . . . . . . . . . . . . . . 75
LCD Brightness . . . . . . . . . . . . . . . . . . 75
Password On . . . . . . . . . . . . . . . . . . . . 76
Edit password . . . . . . . . . . . . . . . . . . . 76
Clean Minder . . . . . . . . . . . . . . . . . . . . 76
IAuCS Runtime . . . . . . . . . . . . . . . . . . 77
Air Filter . . . . . . . . . . . . . . . . . . . . . . . . 77
Water Filter . . . . . . . . . . . . . . . . . . . . . 78
LuminIce™ reminder . . . . . . . . . . . . . . 78
USB Setup . . . . . . . . . . . . . . . . . . . . . 79
Factory Defaults . . . . . . . . . . . . . . . . . 79
Energy Saver Menu . . . . . . . . . . . . . . . . . 80
Ice Program . . . . . . . . . . . . . . . . . . . . . 81
Water Miser . . . . . . . . . . . . . . . . . . . . . 82
Statistics . . . . . . . . . . . . . . . . . . . . . . . 82
Service Menu . . . . . . . . . . . . . . . . . . . . . . 83
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 Format-
ting . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Upgrading Firmware with a Flash Drive or
Transferring Setup Data To Multiple Ma-
chines . . . . . . . . . . . . . . . . . . . . . . . . . 96
Exporting Data to a Flash Drive . . . . . 98
Safe Operation Mode . . . . . . . . . . . . . 100
Indigo_Model_Tech.book Page 7 Monday, February 20, 2012 1:17 PM

8 Part Number STH026 2/12
Operational Checks . . . . . . . . . . . . . . . . . 101
General . . . . . . . . . . . . . . . . . . . . . . . . 101
Ice Thickness Check . . . . . . . . . . . . . 102
Sequence of Operation . . . . . . . . . . . . . . 103
QuietQube® Models . . . . . . . . . . . . . . 103
Initial Start-Up or Start-Up After
Automatic Shut-Off . . . . . . . . . . . . . . . 103
Freeze Sequence . . . . . . . . . . . . . . . . 104
Harvest Sequence . . . . . . . . . . . . . . . 105
Automatic Shut-Off . . . . . . . . . . . . . . . 106
Restart After Automatic Shut-off . . . . . 106
Safety Timers . . . . . . . . . . . . . . . . . . . 109
Water Assist Harvest Feature . . . . . . . 109
Troubleshooting
Safety Limits . . . . . . . . . . . . . . . . . . . . . . 111
Analyzing Why a Safety Limit Stopped the
Ice Machine . . . . . . . . . . . . . . . . . . . . 112
Safety Limit #1 . . . . . . . . . . . . . . . . . . 113
Safety Limit #2 . . . . . . . . . . . . . . . . . . 114
Troubleshooting By Symptom . . . . . . . . 117
Symptom #1 Ice Machine will not run . 119
Diagnosing a Condensing Unit
That Will Not Run . . . . . . . . . . . . . . . . 123
Symptom #2 Low Production, Long Freeze
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
QuietQube® Models- Freeze Cycle Refrig-
eration System Operational Analysis Tables
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
QuietQube® Models - Freeze Cycle Refrig-
eration System Operational Analysis Table
Procedures . . . . . . . . . . . . . . . . . . . . . 132
Symptom #3 Harvest Problems . . . . . 150
Symptom #3 QuietQube® Models With
ICVD Condensing Units . . . . . . . . . . . 151
Symptom #4 QuietQube® Models With
ICVD Condensing Units . . . . . . . . . . . 155
Indigo_Model_Tech.book Page 8 Monday, February 20, 2012 1:17 PM

Part Number STH026 2/12 9
Component Check Procedures
Electrical Components . . . . . . . . . . . . . . . 159
Control Board, Display board and Touch
Pad . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Control Board Relay Test . . . . . . . . . . 162
USB Flash Drive Specifications and Format-
ting . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Upgrading Firmware with a Flash Drive or
Transferring Setup Data To Multiple Ma-
chines . . . . . . . . . . . . . . . . . . . . . . . . . 165
Exporting Data to a Flash Drive . . . . . 167
Main Fuse . . . . . . . . . . . . . . . . . . . . . . 169
Bin Switch . . . . . . . . . . . . . . . . . . . . . . 170
Water Level Control Circuitry . . . . . . . 173
Ice Thickness Probe (Harvest Initiation)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
High Pressure Cutout (HPCO) Control 181
Low Pressure Cutout (LPCO) Control . 184
Fan Cycle Control . . . . . . . . . . . . . . . . 185
Thermistors . . . . . . . . . . . . . . . . . . . . . 186
Harvest Assist Air Pump . . . . . . . . . . . 190
Compressor Electrical Diagnostics . . . 191
Diagnosing Start Components . . . . . . 193
Refrigeration Components . . . . . . . . . . . 198
Head Pressure Control Valve . . . . . . . 198
Suction Accumulator Operation . . . . . . 204
Recovery/Evacuation/Charging Procedures
QuietQube® Models . . . . . . . . . . . . . . 205
Connections . . . . . . . . . . . . . . . . . . . . 206
Recovery/Evacuation Procedures . . . . 207
Charging Procedures . . . . . . . . . . . . . 208
Indigo_Model_Tech.book Page 9 Monday, February 20, 2012 1:17 PM

10 Part Number STH026 2/12
System Contamination Clean-Up . . . . . . 210
Determining Severity Of Contamination 210
Cleanup Procedure . . . . . . . . . . . . . . 212
Replacing Pressure Controls Without Re-
moving Refrigerant Charge . . . . . . . . 215
Liquid Line Filter-Driers . . . . . . . . . . . 217
Suction Filter . . . . . . . . . . . . . . . . . . . 218
Total System Refrigerant Charge . . . . 219
Charts
Cycle Times/24-Hour Ice Production/
Refrigerant Pressure Charts . . . . . . . . . . 221
I0680C/ICVD0695 . . . . . . . . . . . . . . . 222
IB0690C/ICVD695 . . . . . . . . . . . . . . . 223
I0870C/ICVD895 . . . . . . . . . . . . . . . . 224
IB0890C/ICVD895 . . . . . . . . . . . . . . . 225
I1070C/ICVD1095 . . . . . . . . . . . . . . . 226
IB1090C/ICVD1195 . . . . . . . . . . . . . . 227
I1470C/ICVD1495 . . . . . . . . . . . . . . . 228
I1870C/ICVD1895 . . . . . . . . . . . . . . . 229
I2170C/ICVD2195 . . . . . . . . . . . . . . . 230
Diagrams
Wiring Diagrams . . . . . . . . . . . . . . . . . . . 231
Wiring Diagram Legend . . . . . . . . . . . 231
All ICVD Models Interconnecting wiring 232
I0670C/I0870C/I1070C/I1270C . . . . . 233
IB0690C/IB0890C/IB1090C . . . . . . . . 234
II1400/I1800/I2170 . . . . . . . . . . . . . . . 235
iCVD2095 . . . . . . . . . . . . . . . . . . . . . . 236
Electronic Control Board . . . . . . . . . . . . 237
Refrigeration Tubing Schematics . . . . . 238
Remote Condensing Unit Models . . . . 238
IB Models . . . . . . . . . . . . . . . . . . . . . . 239
Dual Evaporator Models . . . . . . . . . . . 241
I2170C . . . . . . . . . . . . . . . . . . . . . . . . 242
Indigo_Model_Tech.book Page 10 Monday, February 20, 2012 1:17 PM