Manitowoc SD0672C Manuale utente

Technician’s

Handbook

Manitowoc

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

S Model & Ice Beverage

QuietQube®

Ice Machines

Part Number 80-1505-3 6/11

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 thishandbook. 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 Group. 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 80-1505-3 6/11 5

Table of Contents

General Information

Model Numbers . . . . . . . . . . . . . . . . . .13

How to Read a Model Number . . . . . .14

Ice Cube Sizes . . . . . . . . . . . . . . . . . .15

Model/Serial Number Location . . . . . .16

Energy Efficient Ice Machine

Serial Breaks . . . . . . . . . . . . . . . . . . . .16

Ice Machine Warranty Information . . .17

Installation

Location of Ice Machine . . . . . . . . . . .23

Ice Machine Head Section

Clearance Requirements . . . . . . . . . . .24

Stacking Two Ice Machines on a

Single Storage Bin . . . . . . . . . . . . . . .25

Ice Deflector . . . . . . . . . . . . . . . . . . . .25

Removing the Front Panels . . . . . . . . .26

Location of CVD®Condensing Unit . . .27

Condensing Unit Clearance

Requirements . . . . . . . . . . . . . . . . . . .28

Bin Installation . . . . . . . . . . . . . . . . . . .29

S1470C/S1870C/S2070C/S2170C

Installation on a Manitowoc Bin . . . . . .31

Ice Machine on a Dispenser Installation 33

Ice Machine Head Section Water

Supply and Drains . . . . . . . . . . . . . . . .36

Water Cooled Condenser Water Supply

and Drains . . . . . . . . . . . . . . . . . . . . . .38

Electrical Requirements . . . . . . . . . . .39

Refrigeration System Installation . . . . .41

6 Part Number 80-1505-3 6/11

Operational Checks . . . . . . . . . . . . . . . . . 61

General . . . . . . . . . . . . . . . . . . . . . . . . 61

Water Level . . . . . . . . . . . . . . . . . . . . 61

Ice Thickness Check . . . . . . . . . . . . . 62

Harvest Sequence Water Purge . . . . . 63

Electronic Bin Thermostat Instructions

IB600C/IB680C/IB800C/IB1000C Only

Positioning . . . . . . . . . . . . . . . . . . . . . 64

Component Identification

Ice Machine Head Sections . . . . . . . . 67

CVD®Condensing Units . . . . . . . . . . . 71

Maintenance

General . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Cleaning / Sanitizing Procedure . . . . . . . 74

Cleaning Procedure . . . . . . . . . . . . . . 74

Parts Removal for Cleaning/Sanitizing 76

Sanitizing Procedure . . . . . . . . . . . . . 83

Procedure to Clean Heavily Scaled

Ice Machines . . . . . . . . . . . . . . . . . . . . . . 85

General . . . . . . . . . . . . . . . . . . . . . . . . 85

Cleaning Procedure . . . . . . . . . . . . . . 85

Parts Removal for Cleaning/Sanitizing 88

Sanitizing Procedure . . . . . . . . . . . . . 102

Additional Component Removal . . . . . 104

Removal from Service/Winterization . . . 109

General . . . . . . . . . . . . . . . . . . . . . . . . 109

CVD1486 Water Cooled Condensing Unit

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Sequence of Operation

Initial Start-Up or Start-Up After

Automatic Shut-Off . . . . . . . . . . . . . . . 111

Freeze Sequence . . . . . . . . . . . . . . . . 113

Harvest Sequence . . . . . . . . . . . . . . . 114

Automatic Shut-Off . . . . . . . . . . . . . . . 117

Part Number 80-1505-3 6/11 7

Troubleshooting

Safety Limits . . . . . . . . . . . . . . . . . . . . . . .123

Safety Limit Analysis . . . . . . . . . . . . . .125

Safety Limit#1 . . . . . . . . . . . . . . . . . . .126

Safety Limit #2 . . . . . . . . . . . . . . . . . .127

Safety Limit #3 . . . . . . . . . . . . . . . . . .128

Control Board Testing . . . . . . . . . . . . . . .129

Control Board Test Cycle . . . . . . . . . .129

Troubleshooting By Symptom . . . . . . . .130

Symptom #1 Ice Machine Will Not Run .131

Diagnosing an Ice Machine Head Section

that Will Not Run . . . . . . . . . . . . . . . . .133

Diagnosing a Condensing Unit

That Will Not Run . . . . . . . . . . . . . . . .134

Compressor Electrical Diagnostics . . .135

Symptom #2 Low Production, Long Freeze

Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138

Symptom #2 - Refrigeration System Opera-

tional Analysis Tables . . . . . . . . . . . . .140

Symptom #2 - Freeze Cycle Refrigeration

System Operational Analysis Table Proce-

dures . . . . . . . . . . . . . . . . . . . . . . . . . .149

Symptom #3 Ice Will Not Harvest . . . . . .166

Ice Machine will Not Harvest Diagnostics

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166

Harvest Problems . . . . . . . . . . . . . . . .167

Symptom #3 Ice Will Not Harvest, Cubes Are

Not Melted Flowchart . . . . . . . . . . . . . . . .168

Symptom #4 Ice Will not Harvest - Cubes Are

Melted Flowchart . . . . . . . . . . . . . . . . . . .172

8 Part Number 80-1505-3 6/11

Component Check Procedures

Electrical Components . . . . . . . . . . . . . . 175

Main Fuse . . . . . . . . . . . . . . . . . . . . . . 175

Bin Switch . . . . . . . . . . . . . . . . . . . . . . 176

Harvest Assist Air Pump . . . . . . . . . . . 179

ICE/OFF/CLEAN Toggle Switch . . . . . 180

Ice Thickness Probe (Harvest Initiation)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Water Level Control Circuitry . . . . . . . 187

Electronic Bin Thermostat Control . . . 193

Compressor Electrical Diagnostics . . . 199

Diagnosing Start Components . . . . . . 201

Refrigeration Components . . . . . . . . . . . 204

Refrigerant Charge Verification . . . . . 204

Suction Accumulator Operation . . . . . 206

Headmaster Control Valve . . . . . . . . . 207

Headmaster Valve Water-Cooled Condens-

ing Unit - CVD1476 . . . . . . . . . . . . . . . 212

Water Regulating Valve CVD1476 . . . 214

Fan Cycle Control . . . . . . . . . . . . . . . . 215

High Pressure Cutout (HPCO) Control 216

Low Pressure Cutout (LPCO) Control 217

Refrigerant Recovery/Evacuation . . . . . 218

Connections . . . . . . . . . . . . . . . . . . . . 219

Recovery/Evacuation Procedures . . . 221

Charging Procedures . . . . . . . . . . . . . 222

System Contamination Cleanup . . . . . . . 223

Determining Severity of Contamination 223

Cleanup Procedure . . . . . . . . . . . . . . 225

Refrigerant Reuse Policy . . . . . . . . . . . . 230

Part Number 80-1505-3 6/11 9

Component Specifications

Main Fuse . . . . . . . . . . . . . . . . . . . . . .233

Bin Switch . . . . . . . . . . . . . . . . . . . . . .233

Harvest Assist Air Pump . . . . . . . . . . .233

ICE/OFF/CLEAN Toggle Switch . . . . .233

Electronic Bin Thermostat Control . . . .233

Water Regulating Valve . . . . . . . . . . .233

Fan Cycle Control . . . . . . . . . . . . . . . .234

High Pressure Cutout (HPCO) Control 234

Low Pressure Cutout (LPCO) Control .234

Filter-Driers . . . . . . . . . . . . . . . . . . . . .235

Total System Refrigerant Charge . . . .237

Charts

Cycle Times/24-Hour Ice Production/Refriger-

ant Pressure . . . . . . . . . . . . . . . . . . . . . . .239

S0600C/CVD0675 Series Remote Air

Cooled . . . . . . . . . . . . . . . . . . . . . . . . .240

SD0682C/CVD0685 Series Remote Air

Cooled . . . . . . . . . . . . . . . . . . . . . . . . .241

SY0684C/CVD0685 Series Remote Air

Cooled . . . . . . . . . . . . . . . . . . . . . . . . .242

IB0600C/CVD675 Series Remote Air

Cooled . . . . . . . . . . . . . . . . . . . . . . . . .243

IB0682DC/CVD685 Series Remote Air

Cooled . . . . . . . . . . . . . . . . . . . . . . . . .244

IB0684YC/CVD685 Series Remote Air

Cooled . . . . . . . . . . . . . . . . . . . . . . . . .245

SD0872C/SY0874C/CVD0885 Series

Remote Air Cooled Machines Before Serial

Number 110682385 . . . . . . . . . . . . . .246

SD0872C/CVD0885 Series Remote Air

Cooled Machines After Serial Number

110682385 . . . . . . . . . . . . . . . . . . . . .247

SY0874C/CVD0885 Series Remote Air

Cooled Machines After Serial Number

110682385 . . . . . . . . . . . . . . . . . . . . .248

IB0822DC/IB0824YC/CVD885 Series Re-

mote Air Cooled Machines Before Serial

Number 110682385 . . . . . . . . . . . . . .249

10 Part Number 80-1505-3 6/11

IB0822DC/CVD885 Series Remote Air

Cooled Machines After Serial Number

110682385 . . . . . . . . . . . . . . . . . . . . . 250

IB0824YC/CVD885 Series Remote Air

Cooled Machines After Serial Number

110682385 . . . . . . . . . . . . . . . . . . . . . 251

SD1072C/SY1074C/CVD1085 Series Re-

mote Air Cooled Machines Before Serial

Number 110697654 . . . . . . . . . . . . . . 252

SD1072C/CVD1085 Series Remote Air

Cooled Machines After Serial Number

110697654 . . . . . . . . . . . . . . . . . . . . . 253

SY1074C/CVD1085 Series Remote Air

Cooled Machines After Serial Number

110697654 . . . . . . . . . . . . . . . . . . . . . 254

IB1022DC/IB1024YC/CVD1075/CVD1085/

CVD1285 Series Remote Air Cooled

Machines Before Serial Number 110697294

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255

IB1022DC/CVD1185 Series Remote Air

Cooled Machines After Serial Number

110697294 . . . . . . . . . . . . . . . . . . . . . 256

IB1024YC/CVD1185 Series Remote Air

Cooled Machines After Serial Number

110697294 . . . . . . . . . . . . . . . . . . . . . 257

SD1272C/SY1274C/CVD1285 Series Re-

mote Air Cooled Machines Before Serial

Number 110706336 . . . . . . . . . . . . . . 258

SD1272C/CVD1285 Series Remote Air

Cooled Machines After Serial Number

110706336 . . . . . . . . . . . . . . . . . . . . . 259

SY1274C/CVD1285 Series Remote Air

Cooled Machines After Serial Number

110706336 . . . . . . . . . . . . . . . . . . . . . 260

S1470C/CVD1485 Series Remote Air

Cooled . . . . . . . . . . . . . . . . . . . . . . . . 261

S1470C/CVD1486 Remote Water Cooled

262

SD1872C/CVD1885 Series Remote Air

Cooled . . . . . . . . . . . . . . . . . . . . . . . . 263

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