Manitowoc Indigo Series User manual

Part Number STH026 6/15
Indigo™ Series
QuietQube Ice Machine
Technician’s Handbook

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:
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.
Procedural Notices
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.
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:
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.

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 manual, do
not proceed, contact Manitowoc Foodservice, or visit
our website www.manitowocfsg.com for manual
updates, translations and contact information for
service agents in your area.
Caution
Proper installation, care and maintenance are
essential for maximum performance and trouble-free
operation of your equipment.
Important
Routine adjustments and maintenance procedures
outlined in this handbook are not covered by the
warranty.
Warning
Read this manual thoroughly before operating,
installing or performing maintenance on the
equipment. Failure to follow instructions in this
manual can cause property damage, injury or death.

Warning
Do not use electrical appliances or accessories other
than those supplied by Manitowoc for your ice
machine model.
Warning
Two or more people or a lifting device are required to
lift this appliance.
Warning
This equipment contains high voltage electricity and
refrigerant charge. Installation and repairs are to be
performed by properly trained technicians aware of
the dangers of dealing with high voltage electricity
and refrigerant under pressure. The technician must
also be certified in proper refrigerant handling
and servicing procedures. All lockout and tag out
procedures must be followed when working on this
equipment.
Warning
Do not damage the refrigeration circuit when
installing, maintaining or servicing the unit.

Warning
Do not operate equipment that has been misused,
abused, neglected, damaged, or altered/modified
from that of original manufactured specifications.
This appliance is not intended for use by persons
(including children) with reduced physical, sensory
or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision
concerning use of the appliance by a person
responsible for their safety. Do not allow children to
play with this appliance.
Warning
All covers and access panels must be in place and
properly secured, before operating this equipment.
Warning
Do not obstruct machine vents or openings.
Warning
Do not store gasoline or other flammable vapors or
liquids in the vicinity of this or any other appliance.
Warning
Do not clean with water jet.

Warning
It is the responsibility of the equipment owner to
perform a Personal Protective Equipment Hazard
Assessment to ensure adequate protection during
maintenance procedures.
Warning
Two or more people are required to move this
equipment to prevent tipping.

Warning
When using electric appliances, basic precautions
must always be followed, including the following:
a. Read all the instructions before using the
appliance.
b. To reduce the risk of injury, close supervision
is necessary when an appliance is used near
children.
c. Do not contact moving parts.
d. Only use attachments recommended or sold
by the manufacturer.
e. Do not use outdoors.
f. For a cord-connected appliance, the following
must be included:
• Do not unplug by pulling on cord. To
unplug, grasp the plug, not the cord.
• Unplug from outlet when not in use and
before servicing or cleaning.
• Do not operate any appliance with
a damaged cord or plug, or after the
appliance malfunctions or is dropped
or damaged in any manner. Contact
the nearest authorized service facility
for examination, repair, or electrical or
mechanical adjustment.
g. Follow applicable lock out tag out procedures
before working on equipment.
h. Connect to a properly grounded outlet only.
We reserve the right to make product improvements at
any time. Specifications and design are subject to change
without notice.

Table of Contents
Part Number STH026 6/15 9
General Information
How to Read a Model Number . . . . . . . . . . . . . . . . 15
Head Sections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
ICVD Condensing Units. . . . . . . . . . . . . . . . . . . . 16
Ice Cube Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Model/Serial Number Location . . . . . . . . . . . . . . . 17
Model Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
QuietQube® Models . . . . . . . . . . . . . . . . . . . . . . . 18
Ice Machine Warranty Information. . . . . . . . . . . . 19
Owner Warranty Registration Card . . . . . . . . . 19
Commercial Warranty Coverage. . . . . . . . . . . . 20
Residential Ice Machine Warranty . . . . . . . . . . 22
Installation
Stacking Two Ice Machines on a SingleStorage
Bin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Ice Deflector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Location of Ice Machine. . . . . . . . . . . . . . . . . . . . . . . 28
Head Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Ice Beverage Models . . . . . . . . . . . . . . . . . . . . . . 29
Location of ICVD Condensing Units . . . . . . . . 30
Clearance Requirements . . . . . . . . . . . . . . . . . . . . . . 31
Ice Machine Heat of Rejection . . . . . . . . . . . . . . . . 32
I1470C/I1870C/I2170C
InstallationonaManitowoc Bin . . . . . . . . . . . . . . 33
Ice Machine on a Dispenser Installation . . . . . . 34
Lineset Applications . . . . . . . . . . . . . . . . . . . . . . . . . . 35
QuietQube® Remote Condensing Unit . . . . . . . . 36
ICVD Transformer Wiring. . . . . . . . . . . . . . . . . . . 37
ICVD Interconnecting Wiring. . . . . . . . . . . . . . . 37
Additional Refrigerant Charge For 51'to100'
Line Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

10 Part Number STH026 6/15
Maintenance
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
Operation
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
Password Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Reset Password To Factory Defaults . . . . . . . . 69
Set-Up Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Time & Date. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Time Configuration. . . . . . . . . . . . . . . . . . . . . . . . 73
Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Ice Clarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
LCD Brightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Password On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Edit Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Clean Minder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
IAuCS Runtime . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Air Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Water Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
LuminIce™ Reminder . . . . . . . . . . . . . . . . . . . . . . 78
Ice Bin Level Sensor . . . . . . . . . . . . . . . . . . . . . . . 79
USB Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Factory Defaults. . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Part Number STH026 6/15 11
Energy Saver Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Ice Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Water Miser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Service Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Data History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Real Time Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Manual Harvest . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Replace Control Board . . . . . . . . . . . . . . . . . . . . . 89
USB Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Event Log Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
USB Flash Drive Specifications and Formatting
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Upgrading Firmware with a Flash Drive . . . . 97
Exporting Data to a Flash Drive . . . . . . . . . . . . 99
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

12 Part Number STH026 6/15
Troubleshooting
Safety Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Safe Operation Mode. . . . . . . . . . . . . . . . . . . . . 112
Analyzing Why a Safety Limit Stopped the Ice
Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Safety Limit #1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Safety Limit #2 . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Troubleshooting By Symptom . . . . . . . . . . . . . . . 116
Reset To Factory Defaults . . . . . . . . . . . . . . . . . 117
Symptom #1 Ice Machine Will Not Run . . . . 118
Diagnosing a Condensing Unit
ThatWillNotRun. . . . . . . . . . . . . . . . . . . . . . . . . 121
Symptom #2 Low Production, Long Freeze
Cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Freeze Cycle Refrigeration System Operational
Analysis Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
QuietQube® Models - Freeze Cycle
Refrigeration System Operational
AnalysisTable Procedures. . . . . . . . . . . . . . . . . 130
Symptom #3 Harvest Problems . . . . . . . . . . . 148
Symptom #3 QuietQube® Models With ICVD
Condensing Units . . . . . . . . . . . . . . . . . . . . . . . . 149
Symptom #4 QuietQube® Models With ICVD
Condensing Units . . . . . . . . . . . . . . . . . . . . . . . . 153

Part Number STH026 6/15 13
Component Check Procedures
Electrical Components . . . . . . . . . . . . . . . . . . . . . . . 155
Control Board, Display Board and Touch Pad. . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Control Board Relay Test . . . . . . . . . . . . . . . . . . 158
Programming a Replacement Board. . . . . . . 159
Main Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Bin Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Water Level Control Circuitry. . . . . . . . . . . . . . 165
Ice Thickness Probe. . . . . . . . . . . . . . . . . . . . . . . 171
High Pressure Cutout (HPCO) Control . . . . . 176
Low Pressure Cutout (LPCO) Control . . . . . . 179
Fan Cycle Control. . . . . . . . . . . . . . . . . . . . . . . . . 180
Thermistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Harvest Assist Air Pump . . . . . . . . . . . . . . . . . . 184
Compressor Electrical Diagnostics . . . . . . . . 185
Diagnosing Start Components . . . . . . . . . . . . 187
Refrigeration Components . . . . . . . . . . . . . . . . . . 190
Head Pressure Control Valve . . . . . . . . . . . . . . 190
Suction Accumulator Operation . . . . . . . . . . 196
Recovery/Evacuation/Charging Procedures
QUIETQUBE® MODELS. . . . . . . . . . . . . . . . . . . . . . . 197
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Recovery/Evacuation Procedures . . . . . . . . . 200
Charging Procedures . . . . . . . . . . . . . . . . . . . . . 201
System Contamination Clean-Up . . . . . . . . . . . . 202
Determining Severity of Contamination. . . 202
Cleanup Procedure . . . . . . . . . . . . . . . . . . . . . . . 204
Replacing Pressure Controls Without
Removing Refrigerant Charge. . . . . . . . . . . . . 207
Liquid Line Filter-Driers . . . . . . . . . . . . . . . . . . . 209
Suction Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Total System Refrigerant Charge . . . . . . . . . . 210

14 Part Number STH026 6/15
Charts
Cycle Times/24-Hour Ice Production/Refrigerant
Pressure Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
I0680C/ICVD0695 . . . . . . . . . . . . . . . . . . . . . . . . 214
IB0690C/ICVD0695 . . . . . . . . . . . . . . . . . . . . . . . 215
I0686C/ICVD0696 . . . . . . . . . . . . . . . . . . . . . . . . 216
IBo696C/ICVD0696 . . . . . . . . . . . . . . . . . . . . . . . 217
I0870C/ICVD0895 . . . . . . . . . . . . . . . . . . . . . . . . 218
IB0890C/ICVD0895 . . . . . . . . . . . . . . . . . . . . . . . 219
I0976C/ICVD0996 . . . . . . . . . . . . . . . . . . . . . . . . 220
I1070C/ICVD1095 . . . . . . . . . . . . . . . . . . . . . . . . 221
I1070C/ICVD1196 . . . . . . . . . . . . . . . . . . . . . . . . 222
IB1090C/ICVD1196 . . . . . . . . . . . . . . . . . . . . . . . 223
I1470C/ICVD1495 . . . . . . . . . . . . . . . . . . . . . . . . 224
I1470C/ICVD1496 . . . . . . . . . . . . . . . . . . . . . . . . 225
I1870C/ICVD1895 . . . . . . . . . . . . . . . . . . . . . . . . 226
I2170C/ICVD2095 . . . . . . . . . . . . . . . . . . . . . . . . 227
I2176C/ICVD2096 . . . . . . . . . . . . . . . . . . . . . . . . 228
Diagrams
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Wiring Diagram Legend . . . . . . . . . . . . . . . . . . 229
All ICVD Models Interconnecting Wiring. . . 230
I0670C/I0686C/I0870C/I0976C/I1070C/I1270C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
IB0690C/IB0890C/IB1090C . . . . . . . . . . . . . . . . 232
I1470C/I1476C/I1870C/I1876C/I2170. . . . . . 233
iCVD2095/ICVD2096 . . . . . . . . . . . . . . . . . . . . . 234
Electronic Control Board . . . . . . . . . . . . . . . . . . . . . 235
Refrigeration Tubing Schematics . . . . . . . . . . . . 236
Remote Condensing Unit Models . . . . . . . . . 236
IB Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Dual Evaporator Models . . . . . . . . . . . . . . . . . . 239

Part Number STH026 6/15 15
How to Read a Model Number
HEAD SECTIONS
I Y 0855 W3 – 263PHPX
ICE MACHINE MODEL I - Indigo Model IB - Ice Beverage # CUBE SIZE CONDENSER TYPE 0 - Regular Air-Cooled 1 - Regular Water-Cooled 2 - Dice Air-Cooled 3 - Dice Water-Cooled 4 - Half-Dice Air-Cooled 5 - Half-Dice Water-Cooled
0 to 6 & 8 - Self-Contained Unit 7 & 8 - CVD Remote Condensing Unit 9 - Remote Air-Cooled Condenser
OR
9 - Ice Beverage Remote Condensing Unit
ICE CUBE SIZE R - Regular D - Dice Y - Half-Dice Not Used On IB Models
Ice Machine Series
CONDENSER TYPE
A - Self-Contained Air -Cooled W - Self-Contained Water -Cooled N - Remote Air-Cooled C - CVD Air-Cooled DC - IB Dice Model YC - IB Half Dice 3 - Three Phase
E - WRAS 50 Cycle Only NO INDICATOR- 1 Phase
VOLTAGE
161 - 115/60/1 261 - 208-230 /60/1 251 - 230/50/1 263 - 208-230 /60/3 463 - 460/60/3
# HERTZ
5 - 50HZ 6 - 60HZ
HP - High Pressure Water
Regulating Valve
P - Correctional Model M - Marine Model
X - LuminIce
6 - Energy Plus Model
General Information

16 Part Number STH026 6/15
ICVD CONDENSING UNITS
ICVD 1495 3
CONDENSING
UNIT MODEL
3 PHASE
CONDENSING
UNIT SERIES
5 AIR-COOLED
Ice Cube Sizes
Regular
1-1/8” x 1-1/8” x 7/8”
2.86 x 2.86 x 2.22 cm
Dice
7/8” x 7/8” x 7/8”
2.22 x 2.22 x 2.22 cm
Half Dice
3/8” x 1-1/8” x 7/8”
0.95 x 2.86 x 2.22 cm
Warning
Personal Injury Potential
Do not operate equipment that has been misused,
abused, neglected, damaged, or altered/modified
from that of original manufactured specifications.
This appliance is not intended for use by persons
(including children) with reduced physical, sensory
or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision
concerning use of the appliance by a person
responsible for their safety.

Part Number STH026 6/15 17
Warning
All Manitowoc ice machines require the ice storage
system (bin, dispenser, etc.) to incorporate an ice
deflector.
Prior to using a non-Manitowoc ice storage system
with other Manitowoc ice machines, contact
the manufacturer to assure their ice deflector is
compatible with Manitowoc ice machines.
Model/Serial Number Location
These numbers are required when requesting
information from your local Manitowoc Distributor,
service representative, or Manitowoc Ice, Inc. The model
and serial number are listed on the OWNER WARRANTY
REGISTRATION CARD. They are also listed on the MODEL/
SERIAL NUMBER DECAL affixed to the front and rear of
the ice machine.

18 Part Number STH026 6/15
Model Numbers
QUIETQUBE® MODELS
Ice Machine Head Section ICVD® Condensing Unit
ID0682C - IY0684C
IB0694YC ICVD0695
ID0686C - IY0686C
IB0696YC ICVD0696
ID0872C - IY0874C
IB0894YC ICVD0895
ID0876C - IY0876C
IB0896YC ICVD0896
ID0976C - IY0976C
IB1094YC ICVD0996
ID1072C - IY1074C ICVD1095
ID1076C - IY1076C
IB1096YC ICVD1096
IB1094YC ICVD1195
ID1472C
IY1474C ICVD1495
ID1476C
IY1476C ICVD1496
ID1872C
IY1874C ICVD1895
ID1876C
IY1876C ICVD1896
ID2172C
IY2174C ICVD2095
ID2176C
IY2176C ICVD2096

Part Number STH026 6/15 19
Ice Machine Warranty Information
OWNER WARRANTY REGISTRATION CARD
Warranty coverage begins the day the ice machine is
installed.
Important
Complete and mail the OWNER WARRANTY
REGISTRATION CARD as soon as possible to validate
the installation date.
If the OWNER WARRANTY REGISTRATION CARD is not
returned, Manitowoc will use the born on date recorded
in the control board or the date of sale to the Manitowoc
Distributor as the first day of warranty coverage for your
new ice machine.

20 Part Number STH026 6/15
COMMERCIAL WARRANTY COVERAGE
Manitowoc Ice, (hereinafter referred to as the
“COMPANY”) warrants for a period of thirty-six months
from the installation date (except as limited below) that
new ice machines manufactured by the COMPANY shall
be free of defects in material or workmanship under
normal and proper use and maintenance as specified by
the COMPANY and upon proper installation and start-up
in accordance with the instruction manual supplied with
the ice machine.
The COMPANY’S warranty hereunder with respect to the
compressor shall apply for an additional twenty-four
months, excluding all labor charges, and with respect
to the evaporator for an additional twenty-four months,
including labor charges.
The obligation of the COMPANY under this warranty
is limited to the repair or replacement of parts,
components, or assemblies that in the opinion of the
COMPANY are defective. This warranty is further limited to
the cost of parts, components or assemblies and standard
straight time labor charges at the servicing location. Time
and hourly rate schedules, as published from time to time
by the COMPANY, apply to all service procedures.
Additional expenses including without limitation,
travel time, overtime premium, material cost, accessing
or removal of the ice machine, or shipping are the
responsibility of the owner, along with all maintenance,
adjustments, cleaning, and ice purchases.
Labor covered under this warranty must be performed
by a COMPANY Contracted Service Representative or a
refrigeration service agency as qualified and authorized
by the COMPANY’S local Distributor.
The COMPANY’S liability under this warranty shall in no
event be greater than the actual purchase price paid by
customer for the ice machine.