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 8/12
Manitowoc

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.

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. We will be happy to provide
assistance.
!Caution
Proper installation, care and maintenance are
essential for maximum performance and trouble-
free operation of your equipment. Visit our
website www.manitowocfsg.com for manual
updates, translations, or contact information for
service agents in your area.
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.

Part Number STH026 8/12 9
Table of Contents
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
Calculating Allowable Lineset Distance 39

10 Part Number STH026 8/12
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
Reset Password To Factory Defaults . 68
Set-Up Menu . . . . . . . . . . . . . . . . . . . . . . . 69
Language . . . . . . . . . . . . . . . . . . . . . . 70
Time & Date . . . . . . . . . . . . . . . . . . . . 70
Time Configuration . . . . . . . . . . . . . . . 72
Units . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Ice Clarity . . . . . . . . . . . . . . . . . . . . . . 73
LCD Brightness . . . . . . . . . . . . . . . . . 73
Password Entry . . . . . . . . . . . . . . . . . . . . 74
Clean Minder . . . . . . . . . . . . . . . . . . . 75
IAuCS Runtime . . . . . . . . . . . . . . . . . . 76
Air Filter . . . . . . . . . . . . . . . . . . . . . . . 76
Water Filter . . . . . . . . . . . . . . . . . . . . . 77
LuminIce™ reminder . . . . . . . . . . . . . 78
Ice Bin Level Sensor . . . . . . . . . . . . . 79
USB Setup . . . . . . . . . . . . . . . . . . . . . 79

Part Number STH026 8/12 11
Energy Saver Menu . . . . . . . . . . . . . . . . . 80
Ice Program . . . . . . . . . . . . . . . . . . . . . 81
Water Miser . . . . . . . . . . . . . . . . . . . . . 82
Statistics . . . . . . . . . . . . . . . . . . . . . . . 82
Factory Defaults . . . . . . . . . . . . . . . . . 83
Service Menu . . . . . . . . . . . . . . . . . . . . . . 84
Data History . . . . . . . . . . . . . . . . . . . . 86
Real Time Data . . . . . . . . . . . . . . . . . . 87
Diagnostics . . . . . . . . . . . . . . . . . . . . . 89
Manual Harvest . . . . . . . . . . . . . . . . . . 90
Replace Control Board . . . . . . . . . . . . 90
USB Setup . . . . . . . . . . . . . . . . . . . . . 90
Event Log Menu . . . . . . . . . . . . . . . . . 91
Event Log . . . . . . . . . . . . . . . . . . . . . . 92
USB Flash Drive Specifications and Format-
ting . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Upgrading Firmware with a Flash Drive or
Transferring Setup Data To Multiple Ma-
chines . . . . . . . . . . . . . . . . . . . . . . . . . 98
Exporting Data to a Flash Drive . . . . . 100
Operational Checks . . . . . . . . . . . . . . . . . 102
General . . . . . . . . . . . . . . . . . . . . . . . . 102
Ice Thickness Check . . . . . . . . . . . . . . 103
Sequence of Operation . . . . . . . . . . . . . . 104
QuietQube® Models . . . . . . . . . . . . . . 104
Initial Start-Up or Start-Up After 
Automatic Shut-Off . . . . . . . . . . . . . . . 104
Freeze Sequence . . . . . . . . . . . . . . . . 105
Harvest Sequence . . . . . . . . . . . . . . . . 106
Automatic Shut-Off . . . . . . . . . . . . . . . 107
Restart After Automatic Shut-off . . . . . 107
Safety Timers . . . . . . . . . . . . . . . . . . . 110
Water Assist Harvest Feature . . . . . . . 110

12 Part Number STH026 8/12
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 Opera-
tional Analysis Tables . . . . . . . . . . . . . 124
QuietQube® Models - Freeze Cycle Refrig-
eration 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 8/12 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 . . . . . . . . . . . . . . . . . . . . 198
Recovery/Evacuation Procedures . . . . 199
Charging Procedures . . . . . . . . . . . . . 200
System Contamination Clean-Up . . . . . . 201
Determining Severity Of Contamination 201
Cleanup Procedure . . . . . . . . . . . . . . . 203
Replacing Pressure Controls Without Re-
moving Refrigerant Charge . . . . . . . . . 206
Liquid Line Filter-Driers . . . . . . . . . . . . 208
Suction Filter . . . . . . . . . . . . . . . . . . . . 208
Total System Refrigerant Charge . . . . 209

14 Part Number STH026 8/12
Charts
Cycle Times/24-Hour Ice Production/
Refrigerant Pressure Charts . . . . . . . . . . 211
I0680C/ICVD0695 . . . . . . . . . . . . . . . 212
IB0690C/ICVD695 . . . . . . . . . . . . . . . 213
I0870C/ICVD895 . . . . . . . . . . . . . . . . 214
IB0890C/ICVD895 . . . . . . . . . . . . . . . 215
I1070C/ICVD1095 . . . . . . . . . . . . . . . 216
IB1090C/ICVD1195 . . . . . . . . . . . . . . 217
I1470C/ICVD1495 . . . . . . . . . . . . . . . 218
I1870C/ICVD1895 . . . . . . . . . . . . . . . 219
I2170C/ICVD2195 . . . . . . . . . . . . . . . 220
Diagrams
Wiring Diagrams . . . . . . . . . . . . . . . . . . . 221
Wiring Diagram Legend . . . . . . . . . . . 221
All ICVD Models Interconnecting wiring 222
I0670C/I0870C/I1070C/I1270C . . . . . 223
IB0690C/IB0890C/IB1090C . . . . . . . . 224
II1400/I1800/I2170 . . . . . . . . . . . . . . . 225
iCVD2095 . . . . . . . . . . . . . . . . . . . . . . 226
Electronic Control Board . . . . . . . . . . . . 227
Refrigeration Tubing Schematics . . . . . 228
Remote Condensing Unit Models . . . . 228
IB Models . . . . . . . . . . . . . . . . . . . . . . 229
Dual Evaporator Models . . . . . . . . . . . 231
I2170C . . . . . . . . . . . . . . . . . . . . . . . . 232

Part Number STH026 8/12 15
General Information
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

16 Part Number STH026 8/12
ICVD CONDENSING UNITS
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 x2.22 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.
ICVD 1495 3
CONDENSING
UNIT MODEL
3 PHASE
CONDENSING
UNIT SERIES
5 AIR-COOLED

Part Number STH026 8/12 17
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.
!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.

18 Part Number STH026 8/12
Model Numbers
QUIETQUBE® MODELS
Ice Machine Head
Section ICVD®Condensing Unit
ID0682C
IY0684C
IB0694YC
ICVD0695
ID0872C
IY0874C
IB0894YC
ICVD0895
ID1072C
IY1074C ICVD1095
IB1094YC ICVD1195
ID1472C
IY1474C ICVD1495
ID1872C
IY1874C ICVD1895
ID2172C
IY2174C ICVD2095

Part Number STH026 8/12 19
Ice Machine Warranty Information
OWNER WARRANTY REGISTRATION CARD
Warranty coverage begins the day the ice machine is
installed.
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.
Important
Complete and mail the OWNER WARRANTY
REGISTRATION CARD as soon as possible to
validate the installation date.

20 Part Number STH026 8/12
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.