Manitowoc Indigo I0320 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
Ice Machines With R290
Refrigerant
Part Number STH038 5/12
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:
!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.

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:
NOTE: Text set off as a Note provides you with simple,
but useful, extra information about the procedure you
are performing.
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 Group. 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
Some 50 hz models may contain up to 150 grams of
R290 (propane) refrigerant. R290 (propane) is
flammable in concentrations of air between
approximately 2.1% and 9.5% by volume (LEL lower
explosion limit and UEL upper explosion limit). An
ignition source at a temperature higher than 470°C
is needed for a combustion to occur. Refer to
nameplate to identify the type of refrigerant in your
equipment. Only trained and qualified personnel
aware of the dangers are allowed to work on the
equipment.

!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.

Part Number STH038 5/12 9
Table of Contents
General Information
How to Read a Model Number . . . . . . . . . 13
Model/Serial Number Location . . . . . . . . 14
Ice Machine Warranty Information . . . . . 14
Owner Warranty Registration Card . . . 14
Commercial Warranty Coverage . . . . . 15
Installation
Location of Ice Machine . . . . . . . . . . . . . . 20
Clearance Requirements . . . . . . . . . . . . . 21
Ice Machine Heat of Rejection . . . . . . . . . 21
Ice Deflector . . . . . . . . . . . . . . . . . . . . . . . 22
Installation on a Bin . . . . . . . . . . . . . . . 22
Installation on a Dispenser . . . . . . . . . 22
Electrical Requirements . . . . . . . . . . . . . . 23
Maintenance
Cleaning and Sanitizing . . . . . . . . . . . . . . 25
General . . . . . . . . . . . . . . . . . . . . . . . . 25
Cleaning/Sanitizing Procedure . . . . . . 27
Preventative Maintenance Cleaning Proce-
dure . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Exterior Cleaning . . . . . . . . . . . . . . . . . 27
Cleaning / Sanitizing Procedure . . . . . . . 28
Cleaning Procedure . . . . . . . . . . . . . . 28
Sanitizing Procedure . . . . . . . . . . . . . . 33
Removal from Service/Winterization . . . 36

10 Part Number STH038 5/12
Operation
Control Panel Features . . . . . . . . . . . . . . 37
Buttons . . . . . . . . . . . . . . . . . . . . . . . . 37
Display Panel . . . . . . . . . . . . . . . . . . . 38
Menu Navigation Overview . . . . . . . . . . . 39
Display Panel Navigation . . . . . . . . . . . . 40
Alerts and Messages . . . . . . . . . . . . . . . . 42
Main Menu . . . . . . . . . . . . . . . . . . . . . . . . 43
Machine Info Menu . . . . . . . . . . . . . . . . . 44
Password Entry . . . . . . . . . . . . . . . . . . . . 45
Reset Password To Factory Defaults . 47
Set-Up Menu . . . . . . . . . . . . . . . . . . . . . . . 48
Language . . . . . . . . . . . . . . . . . . . . . . 48
Time & Date . . . . . . . . . . . . . . . . . . . . 48
Time Configuration . . . . . . . . . . . . . . . 50
Units . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Ice Clarity . . . . . . . . . . . . . . . . . . . . . . 51
LCD Brightness . . . . . . . . . . . . . . . . . 51
Password On . . . . . . . . . . . . . . . . . . . 52
Edit password . . . . . . . . . . . . . . . . . . . 52
Clean Minder . . . . . . . . . . . . . . . . . . . 52
IAuCS Runtime . . . . . . . . . . . . . . . . . . 53
Air Filter . . . . . . . . . . . . . . . . . . . . . . . 53
Water Filter . . . . . . . . . . . . . . . . . . . . . 54
LuminIce™ reminder . . . . . . . . . . . . . 54
USB Setup . . . . . . . . . . . . . . . . . . . . . 55
Factory Defaults . . . . . . . . . . . . . . . . . 55

Part Number STH038 5/12 11
Energy Saver Menu . . . . . . . . . . . . . . . . . 56
Ice Program . . . . . . . . . . . . . . . . . . . . . 57
Water Miser . . . . . . . . . . . . . . . . . . . . . 58
Statistics . . . . . . . . . . . . . . . . . . . . . . . 58
Service Menu . . . . . . . . . . . . . . . . . . . . . . 59
Data History . . . . . . . . . . . . . . . . . . . . 61
Real Time Data . . . . . . . . . . . . . . . . . . 62
Diagnostics . . . . . . . . . . . . . . . . . . . . . 64
Manual Harvest . . . . . . . . . . . . . . . . . . 65
Replace Control Board . . . . . . . . . . . . 65
USB Setup . . . . . . . . . . . . . . . . . . . . . 65
Event Log Menu . . . . . . . . . . . . . . . . . 66
Event Log . . . . . . . . . . . . . . . . . . . . . . 67
USB Flash Drive Specifications and Format-
ting . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Upgrading Firmware with a Flash Drive or
Transferring Setup Data To Multiple Ma-
chines . . . . . . . . . . . . . . . . . . . . . . . . . 73
Exporting Data to a Flash Drive . . . . . 75
Safe Operation Mode . . . . . . . . . . . . . 76
Operational Checks . . . . . . . . . . . . . . . . . 77
General . . . . . . . . . . . . . . . . . . . . . . . . 77
Ice Thickness Check . . . . . . . . . . . . . . 78
Sequence of Operation . . . . . . . . . . . . . . 79
Self Contained Air or Water Cooled . . 79

12 Part Number STH038 5/12
Troubleshooting
Safety Limits . . . . . . . . . . . . . . . . . . . . . . 85
Safety Limit #1 . . . . . . . . . . . . . . . . . . 86
Safety Limit #2 . . . . . . . . . . . . . . . . . . 87
Troubleshooting By Symptom . . . . . . . . 88
Symptom #1 Ice Machine will not run . 90
Symptom #2 Low Production, Long Freeze
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Symptom #2 - Freeze Cycle Refrigeration
System Operational Analysis Tables . 96
Symptom #3 Harvest Problems . . . . . 118
Symptom #3 Will Not Harvest, Cubes Not
Melted . . . . . . . . . . . . . . . . . . . . . . . . . 119
Symptom #4 Will Not Harvest, Cubes Melt-
ed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Part Number STH038 5/12 13
Component Check Procedures
Electrical Components . . . . . . . . . . . . . . . 123
Control Board, Display board and Touch
Pad . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Control Board Relay Test . . . . . . . . . . 126
USB Flash Drive Specifications and Format-
ting . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Upgrading Firmware with a Flash Drive or
Transferring Setup Data To Multiple Ma-
chines . . . . . . . . . . . . . . . . . . . . . . . . . 131
Exporting Data to a Flash Drive . . . . . 133
Programming A Replacement Control Board
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Main Fuse . . . . . . . . . . . . . . . . . . . . . . 137
Bin Switch . . . . . . . . . . . . . . . . . . . . . . 138
Water Level Control Circuitry . . . . . . . 141
Ice Thickness Probe (Harvest Initiation)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
High Pressure Cutout (HPCO) Control 151
Fan Cycle Control . . . . . . . . . . . . . . . . 154
Thermistors . . . . . . . . . . . . . . . . . . . . . 155
Harvest Assist Air Pump . . . . . . . . . . . 159
Compressor Electrical Diagnostics . . . 160
Diagnosing Start Components . . . . . . 162
Refrigerant Recovery/Evacuation/Charging
procedures . . . . . . . . . . . . . . . . . . . . . 166
Liquid Line Filter-Driers . . . . . . . . . . . . 166
Total System Refrigerant Charge . . . . 166

14 Part Number STH038 5/12
Charts
Cycle Times/24-Hour Ice Production/Charts
I0320A Air-Cooled Model . . . . . . . . . . 168
I0500A Air-Cooled Model . . . . . . . . . . 170
Diagrams
Wiring Diagrams . . . . . . . . . . . . . . . . . . . 173
Wiring Diagram Legend . . . . . . . . . . . 173
I0320 . . . . . . . . . . . . . . . . . . . . . . . . . 174
I0500 . . . . . . . . . . . . . . . . . . . . . . . . . 175
Electronic Control Board . . . . . . . . . . . . 176
Refrigeration Tubing Schematics . . . . . 177

Part Number STH038 5/12 13
General Information
How to Read a Model Number
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
P
P - R290 Refrigerant

14 Part Number STH038 5/12
Model/Serial Number Location
These numbers are required when requesting
information from your local Manitowoc Distributor,
service representative, or Manitowoc Ice. 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.
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.

Part Number STH038 5/12 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.

16 Part Number STH038 5/12
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.
The foregoing warranty shall not apply to (1) any part
or assembly that has been altered, modified, or
changed; (2) any part or assembly that has been
subjected to misuse, abuse, neglect, or accidents; (3)
any ice machine that has been installed and/or
maintained inconsistent with the technical instructions
provided by the COMPANY; or (4) any ice machine
initially installed more than five years from the serial
number production date. This warranty shall not apply
if the Ice Machine's refrigeration system is modified
with a condenser, heat reclaim device, or parts and
assemblies other than those manufactured by the
COMPANY, unless the COMPANY approves these
modifications for specific locations in writing.

Part Number STH038 5/12 17
THIS WARRANTY IS IN LIEU OF ALL OTHER
WARRANTIES OR GUARANTEES OF ANY
KIND, EXPRESSED OR IMPLIED, INCLUDING ANY
IMPLIED WARRANTY OF MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE.
In no event shall the COMPANY be liable for any
special, indirect, incidental or consequential damages.
Upon the expiration of the warranty period, the
COMPANY'S liability under this warranty shall
terminate. The foregoing warranty shall constitute the
sole liability of the COMPANY and the exclusive
remedy of the customer or user.
To secure prompt and continuing warranty service, the
warranty registration card must be completed and sent
to the COMPANY within five (5) days from the
installation date.
To obtain warranty service or information regarding
your Product, please contact us at:
MANITOWOC ICE
2110 So. 26th St. P.O. Box 1720,
Manitowoc, WI 54221-1720
Telephone: [phone] Fax: [phone]
www.manitowocice.com

18 Part Number STH038 5/12
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