Manitowoc 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

Air/Water/Remote Condenser

Ice Machines

Part Number STH025 02/12

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.

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.

Part Number STH025 02/12 5

Table of Contents

General Information

How to Read a Model Number . . . . . . . . . 11

Head Sections . . . . . . . . . . . . . . . . . . . 11

Ice Cube Sizes . . . . . . . . . . . . . . . . . . . . . 12

Model/Serial Number Location . . . . . . . . 13

Model Numbers . . . . . . . . . . . . . . . . . . . . . 14

Air-Water-Remote Condenser Models 14

Ice Machine Warranty Information . . . . . 15

Owner Warranty Registration Card . . . 15

Commercial Warranty Coverage . . . . . 16

Residential Ice Machine Limited Warranty

Installation

Ice Deflector . . . . . . . . . . . . . . . . . . . . 23

Location of Ice Machine . . . . . . . . . . . . . . 24

Clearance Requirements . . . . . . . . . . . . . 25

Air, Water, Remote Condenser Models 25

Ice Machine Heat of Rejection . . . . . . . . . 26

Installation on a Bin . . . . . . . . . . . . . . . . . 27

Ice Machine on a Dispenser Installation 27

Lineset Applications . . . . . . . . . . . . . . . . 28

Remote Condenser . . . . . . . . . . . . . . . 29

Additional Refrigerant Charge For

51’ to 100’ Line Sets . . . . . . . . . . . . . . 30

Calculating Allowable Lineset Distance 31

Component Identification

I Model Single Evaporator Models . . . . . 35

6 Part Number STH025 02/12

Maintenance

Cleaning and Sanitizing . . . . . . . . . . . . . 37

General . . . . . . . . . . . . . . . . . . . . . . . . 37

Cleaning/Sanitizing Procedure . . . . . . 39

Preventative Maintenance Cleaning Proce-

dure . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Exterior Cleaning . . . . . . . . . . . . . . . . 39

Cleaning / Sanitizing Procedure . . . . . . . 40

Cleaning Procedure . . . . . . . . . . . . . . 40

Sanitizing Procedure . . . . . . . . . . . . . 43

Parts Removal for Cleaning/Sanitizing. 46

Removal from Service/Winterization . . . 52

Air-Cooled Ice Machines . . . . . . . . . . 52

Water-Cooled Ice Machines . . . . . . . . 53

Operation

Control Panel Features . . . . . . . . . . . . . . 57

Buttons . . . . . . . . . . . . . . . . . . . . . . . . 57

Display Panel . . . . . . . . . . . . . . . . . . . 58

Menu Navigation Overview . . . . . . . . . . . 59

Display Panel Navigation . . . . . . . . . . . . 60

Alerts and Messages . . . . . . . . . . . . . . . . 62

Main Menu . . . . . . . . . . . . . . . . . . . . . . . . 63

Machine Info Menu . . . . . . . . . . . . . . . . . 64

Password Entry . . . . . . . . . . . . . . . . . . . . 65

Reset Password To Factory Defaults . 67

Part Number STH025 02/12 7

Set-Up Menu . . . . . . . . . . . . . . . . . . . . . . . 68

Language . . . . . . . . . . . . . . . . . . . . . . 68

Time & Date . . . . . . . . . . . . . . . . . . . . 68

Time Configuration . . . . . . . . . . . . . . . 70

Units . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Ice Clarity . . . . . . . . . . . . . . . . . . . . . . 71

LCD Brightness . . . . . . . . . . . . . . . . . . 71

Password On . . . . . . . . . . . . . . . . . . . . 72

Edit password . . . . . . . . . . . . . . . . . . . 72

Clean Minder . . . . . . . . . . . . . . . . . . . . 72

IAuCS Runtime . . . . . . . . . . . . . . . . . . 73

Air Filter . . . . . . . . . . . . . . . . . . . . . . . . 73

Water Filter . . . . . . . . . . . . . . . . . . . . . 74

LuminIce™ reminder . . . . . . . . . . . . . . 74

USB Setup . . . . . . . . . . . . . . . . . . . . . 75

Factory Defaults . . . . . . . . . . . . . . . . . 75

Energy Saver Menu . . . . . . . . . . . . . . . . . 76

Ice Program . . . . . . . . . . . . . . . . . . . . . 77

Water Miser . . . . . . . . . . . . . . . . . . . . . 78

Statistics . . . . . . . . . . . . . . . . . . . . . . . 78

Service Menu . . . . . . . . . . . . . . . . . . . . . . 79

Data History . . . . . . . . . . . . . . . . . . . . 81

Real Time Data . . . . . . . . . . . . . . . . . . 82

Diagnostics . . . . . . . . . . . . . . . . . . . . . 84

Manual Harvest . . . . . . . . . . . . . . . . . . 85

Replace Control Board . . . . . . . . . . . . 85

USB Setup . . . . . . . . . . . . . . . . . . . . . 85

Event Log Menu . . . . . . . . . . . . . . . . . 86

Event Log . . . . . . . . . . . . . . . . . . . . . . 87

USB Flash Drive Specifications and Format-

ting . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Upgrading Firmware with a Flash Drive or

Transferring Setup Data To Multiple Ma-

chines . . . . . . . . . . . . . . . . . . . . . . . . . 93

Exporting Data to a Flash Drive . . . . . 95

Safe Operation Mode . . . . . . . . . . . . . 96

8 Part Number STH025 02/12

Operational Checks . . . . . . . . . . . . . . . . . 97

General . . . . . . . . . . . . . . . . . . . . . . . . 97

Ice Thickness Check . . . . . . . . . . . . . 98

Sequence of Operation . . . . . . . . . . . . . . 99

Self Contained Air or Water Cooled . . 99

Remote Condenser . . . . . . . . . . . . . . 104

Troubleshooting

Safety Limits . . . . . . . . . . . . . . . . . . . . . . 109

Analyzing Why a Safety Limit Stopped the

Ice Machine . . . . . . . . . . . . . . . . . . . . 110

Safety Limit #1 . . . . . . . . . . . . . . . . . . 111

Safety Limit #2 . . . . . . . . . . . . . . . . . . 112

Troubleshooting By Symptom . . . . . . . . 115

Symptom #1 Ice Machine will not run . 117

Symptom #2 - Self-contained Air, Water &

Remote Condenser Models . . . . . . . . 123

Symptom #2 - Freeze Cycle Refrigeration

System Operational Analysis Tables . 125

Symptom #3 Harvest Problems

Self-contained Air, Water & Remote Con-

denser Models . . . . . . . . . . . . . . . . . . 148

Symptom #3 Self-Contained Air or Water-

cooled . . . . . . . . . . . . . . . . . . . . . . . . . 149

Symptom #3 - Remote Condenser . . . 151

Symptom #4 Self-Contained Air, Water-

cooled or Remote . . . . . . . . . . . . . . . . 153

Part Number STH025 02/12 9

Component Check Procedures

Electrical Components . . . . . . . . . . . . . . . 157

Control Board, Display board and Touch

Pad . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Control Board Relay Test . . . . . . . . . . 160

USB Flash Drive Specifications and Format-

ting . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

Upgrading Firmware with a Flash Drive or

Transferring Setup Data To Multiple Ma-

chines . . . . . . . . . . . . . . . . . . . . . . . . . 164

Exporting Data to a Flash Drive . . . . . 166

Programming A Replacement Control Board

168

Main Fuse . . . . . . . . . . . . . . . . . . . . . . 170

Bin Switch . . . . . . . . . . . . . . . . . . . . . . 171

Water Level Control Circuitry . . . . . . . 174

Ice Thickness Probe (Harvest Initiation)

178

High Pressure Cutout (HPCO) Control 182

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

Harvest Pressure Regulating (HPR) System

Remote Condenser Only . . . . . . . . . . . 202

Water Regulating Valve . . . . . . . . . . . 205

Refrigerant Recovery/Evacuation . . . . . . 206

Self-Contained Model Procedure . . . . 206

Remote Condenser Model Procedure . 210

10 Part Number STH025 02/12

System Contamination Clean-Up . . . . . . 216

Determining Severity Of Contamination 216

Cleanup Procedure . . . . . . . . . . . . . . 218

Replacing Pressure Controls Without Re-

moving Refrigerant Charge . . . . . . . . 221

Liquid Line Filter-Driers . . . . . . . . . . . 223

Total System Refrigerant Charge . . . . 224

Charts

Cycle Times/24-Hour Ice Production/

Refrigerant Pressure Charts . . . . . . . . . . 225

I0300 Series . . . . . . . . . . . . . . . . . . . . 226

I0320 Series . . . . . . . . . . . . . . . . . . . . 228

I0450 Series . . . . . . . . . . . . . . . . . . . . 230

I0500 Series . . . . . . . . . . . . . . . . . . . . 232

I0520 Series . . . . . . . . . . . . . . . . . . . . 235

I0600 Series . . . . . . . . . . . . . . . . . . . . 237

I0850 Series . . . . . . . . . . . . . . . . . . . . 240

I1000 Series . . . . . . . . . . . . . . . . . . . . 243

I1200 Series . . . . . . . . . . . . . . . . . . . . 246

I1400 Series . . . . . . . . . . . . . . . . . . . . 248

I1800 Series . . . . . . . . . . . . . . . . . . . . 251

Diagrams

Wiring Diagrams . . . . . . . . . . . . . . . . . . . 255

Wiring Diagram Legend . . . . . . . . . . . 255

I0300/I0450/I0500/I0520 . . . . . . . . . . 256

I0320 . . . . . . . . . . . . . . . . . . . . . . . . . 257

I0500 . . . . . . . . . . . . . . . . . . . . . . . . . 258

I0600/I0850/I1000/I1200 . . . . . . . . . . 259

I0600/I0850/I1000 . . . . . . . . . . . . . . . 260

I1400/I1800 . . . . . . . . . . . . . . . . . . . . 261

I1400/I1800 . . . . . . . . . . . . . . . . . . . . 262

Electronic Control Board . . . . . . . . . . . . 263

Refrigeration Tubing Schematics . . . . . 264

Self-Contained Air or Water -Cooled . 264

Remote Condenser Models . . . . . . . . 265

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