Manitowoc SM050 Manuel utilisateur

Undercounter Ice Machines

QM20 / QM30 / QM45 / SM050

Q130 / Q170 / Q210 / Q270

Technicians Handbook

Part Number 8001119 10/19

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:

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.

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:

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.

!Warning

!Caution

Important

Read These Before Proceeding:

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.

Routine adjustments and maintenance

procedures outlined in this handbook are not

covered by the warranty.

PERSONAL INJURY POTENTIAL

Do not operate equipment that has been misused,

abused, neglected, damaged, or altered/modified

from that of original manufactured specifications.

POTENTIAL PERSONAL INJURY

SITUATION

This ice machine contains refrigerant charge.

Installation and brazing of the line sets must be

performed by a properly trained refrigeration

technician aware of the Dangers of dealing with

refrigerant charged equipment. The technician

must also be US Government Environmental

Protection Agency (EPA) certified in proper

refrigerant handling and servicing procedures.

We reserve the right to make product

improvements at any time. Specifications and

design are subject to change without notice.

!Caution

Important

!Warning

Part Number 8001119 10/19 5

Table of Contents

GENERAL INFORMATION

Model Numbers . . . . . . . . . . . . . . . . . . . . . 11

How to Read a Model Number . . . . . . . . . 12

Accessories . . . . . . . . . . . . . . . . . . . . . . . 12

Bin Caster . . . . . . . . . . . . . . . . . . . . . . 12

Manitowoc Cleaner and Sanitizer . . . . 12

Model/Serial Number Location . . . . . . . . 14

Q130/Q170/Q210/Q270 . . . . . . . . . . . 14

QM20/QM30 . . . . . . . . . . . . . . . . . . . . 15

QM45 . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Ice Machine Warranty Information . . . . . 17

Owner Warranty Registration Card . . . 17

Commercial Warranty Coverage . . . . . 17

Residential Warranty Coverage . . . . . 20

INSTALLATION

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

Ice Machine Clearance Requirements . . 24

Ice Machine Heat of Rejection . . . . . . . . . 24

Leveling the Ice Machine . . . . . . . . . . . . . 25

QM45/Q130/Q170/Q210/Q270 . . . . . . 25

SM50/QM20/QM30 . . . . . . . . . . . . . . . 26

Electrical Requirements . . . . . . . . . . . . . . 27

Voltage . . . . . . . . . . . . . . . . . . . . . . . . 27

Electrical Specifications . . . . . . . . . . . . . 28

Water Service/Drains . . . . . . . . . . . . . . . . 31

Water Supply . . . . . . . . . . . . . . . . . . . . 31

Water Inlet Lines . . . . . . . . . . . . . . . . . 31

Drain Connections . . . . . . . . . . . . . . . . 31

Cooling Tower Applications . . . . . . . . . 32

COMPONENT IDENTIFICATION

QM45/Q130/Q170/Q210/Q270 . . . . . . . . . . 37

QM20/QM30 . . . . . . . . . . . . . . . . . . . . . . . . 39

SM50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

6 Part Number 8001119 10/19

MAINTENANCE

Ice Machine Inspection . . . . . . . . . . . . . . 43

Exterior Cleaning . . . . . . . . . . . . . . . . . . . 43

Cleaning the Condenser . . . . . . . . . . . . . 43

Air-cooled Condenser . . . . . . . . . . . . . 44

Water-cooled Condenser and Water

Regulating Valve . . . . . . . . . . . . . . . . 44

QM45/Q130/Q170/Q210/Q270 . . . . . . . . . 45

Interior Cleaning and Sanitizing . . . . . 45

QM20/QM30 . . . . . . . . . . . . . . . . . . . . . . . 60

Cleaning and Sanitizing Procedure . . 60

SM50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Cleaning Procedure . . . . . . . . . . . . . . 67

Sanitizing Procedure . . . . . . . . . . . . . 68

Removal of Parts for Cleaning and

Sanitizing . . . . . . . . . . . . . . . . . . . . . . 69

Removal from Service/Winterization . . . 77

General . . . . . . . . . . . . . . . . . . . . . . . . 77

Self-contained Air-cooled Ice Machines 77

Water-cooled Ice Machines . . . . . . . . 78

OPERATION

QM45/Q130/Q170/Q210/Q270 . . . . . . . . . 79

Initial Start-up or Start-up After Automatic

Shut-off . . . . . . . . . . . . . . . . . . . . . . . . 79

Freeze Sequence . . . . . . . . . . . . . . . . 79

Harvest Sequence . . . . . . . . . . . . . . . 80

Automatic Shut-off . . . . . . . . . . . . . . . 80

Energized Parts Chart . . . . . . . . . . . . 81

QM20/QM30 . . . . . . . . . . . . . . . . . . . . . . . 83

Initial Start-up or Start-up After Automatic

Shut-off . . . . . . . . . . . . . . . . . . . . . . . . 83

Freeze Sequence . . . . . . . . . . . . . . . . 83

Harvest Sequence . . . . . . . . . . . . . . . 84

Automatic Shut-off . . . . . . . . . . . . . . . 84

Energized Parts Chart . . . . . . . . . . . . 85

SM50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Initial Start-up or Start-up After Automatic

Shut-off . . . . . . . . . . . . . . . . . . . . . . . . 86

Energized Parts Chart . . . . . . . . . . . . 88

Part Number 8001119 10/19 7

Operational Checks . . . . . . . . . . . . . . . . . 89

QM45/Q130/Q170/Q210/Q270 . . . . . . 89

QM20/QM30 . . . . . . . . . . . . . . . . . . . . 92

SM50 . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Delay Start . . . . . . . . . . . . . . . . . . . . . . . . . 96

Repeat Delay Period Every 24 Hours . 96

TROUBLESHOOTING

QM45/Q130/Q170/Q210/Q270 . . . . . . . . . . 99

Diagnosing an Ice Machine

that Will Not Run . . . . . . . . . . . . . . . . . 99

Diagnosing Ice Thickness Control Circuitry

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Ice Production Check . . . . . . . . . . . . . 103

Installation and Visual Inspection Checklist

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Water System Checklist . . . . . . . . . . . 105

Ice Formation Pattern . . . . . . . . . . . . . 106

Safety Limit Feature . . . . . . . . . . . . . . 108

Analyzing Discharge Pressure . . . . . . 115

Analyzing Suction Pressure . . . . . . . . 117

Hot Gas Valve . . . . . . . . . . . . . . . . . . . 121

Comparing Evaporator Inlet/Outlet

Temperatures . . . . . . . . . . . . . . . . . . . 125

Discharge Line Temperature Analysis 126

Refrigeration Component Diagnostic Chart

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Final Analysis . . . . . . . . . . . . . . . . . . . 130

Refrigeration Component Diagnostic Chart

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

QM20/QM30 . . . . . . . . . . . . . . . . . . . . . . . . 134

Diagnosing an Ice Machine

that Will Not Run . . . . . . . . . . . . . . . . . 134

Refrigeration Diagnostics . . . . . . . . . . 135

Ice Formation Pattern . . . . . . . . . . . . . 137

QM45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Electrical . . . . . . . . . . . . . . . . . . . . . . . 139

Refrigeration Diagnostics . . . . . . . . . . 140

Flooding Expansion Valve . . . . . . . . . . 143

Starving Expansion Valve/Low Refrigerant

Charge . . . . . . . . . . . . . . . . . . . . . . . . . 143

Overcharged System . . . . . . . . . . . . . . 143

8 Part Number 8001119 10/19

SM50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

Diagnosing an Ice Machine

that Will Not Run . . . . . . . . . . . . . . . . . 144

Ice Machine Will Not Harvest . . . . . . . 145

Ice Quality Is Poor — Cubes are Shallow,

Incomplete or White . . . . . . . . . . . . . . 146

Freeze Cycle Is Long, Low Ice Production

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Ice Machine Runs and No Ice Is Produced

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Analyzing Discharge Pressure . . . . . . 149

Discharge Pressure High Checklist . . 150

Freeze Cycle Discharge Pressure Low

Checklist . . . . . . . . . . . . . . . . . . . . . . . 150

Analyzing Suction Pressure . . . . . . . . 151

Hot Gas Valve . . . . . . . . . . . . . . . . . . 154

COMPONENT CHECK PROCEDURES

Main Fuse . . . . . . . . . . . . . . . . . . . . . . . . . 159

Function . . . . . . . . . . . . . . . . . . . . . . . 159

Specifications . . . . . . . . . . . . . . . . . . . 159

Check Procedure . . . . . . . . . . . . . . . . 159

Bin Switch . . . . . . . . . . . . . . . . . . . . . . . . 160

QM45/Q130/Q170/Q210/Q270 . . . . . . 160

Bin Thermostat . . . . . . . . . . . . . . . . . . . . 164

QM20/QM30 . . . . . . . . . . . . . . . . . . . . 164

SM50 . . . . . . . . . . . . . . . . . . . . . . . . . 166

Liquid Line Thermistor . . . . . . . . . . . . . . 169

QM20/QM30/SM50 . . . . . . . . . . . . . . . 169

Diagnosing Start Components . . . . . . . . 171

Capacitor . . . . . . . . . . . . . . . . . . . . . . 171

Relay . . . . . . . . . . . . . . . . . . . . . . . . . 171

ON/OFF/WASH Toggle Switch . . . . . . . . 172

Function . . . . . . . . . . . . . . . . . . . . . . . 172

Specifications . . . . . . . . . . . . . . . . . . . 172

Check Procedure . . . . . . . . . . . . . . . . 172

QM45/Q130/Q170/Q210/Q270 . . . . . . 173

QM20/QM30 . . . . . . . . . . . . . . . . . . . . 173

Ice Thickness Probe . . . . . . . . . . . . . . . . 174

QM45/Q130/Q170/Q210/Q270 . . . . . . 174

Ice Thickness Check . . . . . . . . . . . . . 175

Part Number 8001119 10/19 9

Compressor Electrical Diagnostics . . . . 176

Check Resistance (Ohm) Values . . . . 176

Single Phase Compressors . . . . . . . . . 176

Check Motor Windings to Ground . . . . 176

Compressor Drawing Locked Rotor . . 177

Compressor Drawing High Amps . . . . 177

Fan Cycle Control . . . . . . . . . . . . . . . . . . . 178

QM45/Q130/Q170/Q210/Q270 . . . . . . 178

High Pressure Cutout (HPCO) Control . . 179

QM45/Q130/Q170/Q210/Q270 . . . . . . 179

Filter-Driers . . . . . . . . . . . . . . . . . . . . . . . . 180

Liquid Line Filter Drier . . . . . . . . . . . . . 180

Refrigerant Recovery/Evacuation . . . . . . 181

Definitions . . . . . . . . . . . . . . . . . . . . . . 181

Refrigerant Re-use Policy . . . . . . . . . . 182

Recovery and Recharging Procedures 184

System Contamination Cleanup . . . . . . . 190

General . . . . . . . . . . . . . . . . . . . . . . . . 190

Determining Severity of Contamination 190

Mild System Contamination Cleanup

Procedure . . . . . . . . . . . . . . . . . . . . . . 192

Severe System Contamination Cleanup

Procedure . . . . . . . . . . . . . . . . . . . . . . 193

Replacing Pressure Controls without

Removing Refrigerant Charge . . . . . . . 194

Q270 Condenser Fan Motor Replacement

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196

Brazing Procedures for Danfoss Valves 197

COMPONENT SPECIFICATIONS

Main Fuse . . . . . . . . . . . . . . . . . . . . . . . . . 199

Bin Switch . . . . . . . . . . . . . . . . . . . . . . . . . 199

QM45/Q130/Q170/Q210/Q270 . . . . . . 199

Bin Thermostat . . . . . . . . . . . . . . . . . . . . . 199

QM20/QM30/SM50 . . . . . . . . . . . . . . . 199

ON/OFF/WASH Toggle Switch . . . . . . . . . 199

Fan Control Cycle . . . . . . . . . . . . . . . . . . . 199

QM45/Q130/Q170/Q210/Q270 . . . . . . 199

High Pressure Cutout (HPCO) Control . . 200

Filter-Driers . . . . . . . . . . . . . . . . . . . . . . . . 200

Liquid Line Thermistor . . . . . . . . . . . . . . . 200

QM20/QM30/SM50 . . . . . . . . . . . . . . . 200

Total System Refrigerant Charge . . . . . . 201

10 Part Number 8001119 10/19

CHARTS

Cycle Times, 24 Hr. Ice Production and

Refrigerant Pressure Charts . . . . . . . . . . 203

QM20 Self-contained Air-cooled . . . . . 204

QM30 Self-contained Air-cooled . . . . . 205

QM45 Self-contained Air-cooled . . . . . 206

QM45 Operating Temperatures . . . . . 207

SM50 Self-contained Air-cooled . . . . . 208

Q130 Self-contained Air-cooled

(Before Serial Number 310047287) . . 209

Q130 Self-contained Air-cooled

(After Serial Number 310047287) . . . . 210

Q130 Self-contained Water-cooled . . 211

Q170 Self-contained Air-cooled . . . . . 212

Q210 Self-contained Air-cooled . . . . . 213

Q210 Self-contained Water-cooled . . 214

Q270 Self-contained Air-cooled . . . . . 215

Q270 Self-contained Water-cooled . . 216

DIAGRAMS

Wiring Diagrams . . . . . . . . . . . . . . . . . . . 217

QM20 . . . . . . . . . . . . . . . . . . . . . . . . . 218

QM30 . . . . . . . . . . . . . . . . . . . . . . . . . 219

QM30 . . . . . . . . . . . . . . . . . . . . . . . . . 220

QM45 . . . . . . . . . . . . . . . . . . . . . . . . . 221

SM50 . . . . . . . . . . . . . . . . . . . . . . . . . 222

Q130/Q210 . . . . . . . . . . . . . . . . . . . . . 223

Q130/Q170/Q210 . . . . . . . . . . . . . . . . 224

Q270 . . . . . . . . . . . . . . . . . . . . . . . . . . 225

Q270 . . . . . . . . . . . . . . . . . . . . . . . . . . 226

Electronic Control Boards . . . . . . . . . . . 227

Tubing Schematics . . . . . . . . . . . . . . . . . 230

Ce manuel convient aux modèles suivants

Table des matières

Autres manuels Manitowoc Machine à glaçons

Manitowoc

Manitowoc K00523 Manuel utilisateur

Manitowoc

Manitowoc B Series Manuel utilisateur

Manitowoc

Manitowoc UG Series Manuel utilisateur

Manitowoc

Manitowoc QR0320A Manuel utilisateur

Manitowoc

Manitowoc J250 Manuel utilisateur

Manitowoc

Manitowoc KH0177 - IB-0620 Manuel utilisateur

Manitowoc

Manitowoc SM Manuel d'instructions et de sécurité

Manitowoc

Manitowoc SM Series Manuel utilisateur

Manitowoc

Manitowoc ICE DEFLECTOR K00382 Manuel utilisateur

Manitowoc

Manitowoc 000006529 Instructions d'utilisation

Manitowoc

Manitowoc KEY CARD KIT K00152 Manuel utilisateur

Manitowoc

Manitowoc MARINE MODEL S1800 Manuel utilisateur

Manitowoc

Manitowoc NEO UD0140A Instructions d'installation et d'utilisation

Manitowoc

Manitowoc Q 7628973 Manuel utilisateur

Manitowoc

Manitowoc EC Series Manuel d'instructions et de sécurité

Manitowoc

Manitowoc CNF0201 Manuel utilisateur

Manitowoc

Manitowoc ICE MACHINE K00385 Manuel utilisateur

Manitowoc

Manitowoc QC0700 Manuel utilisateur

Manitowoc

Manitowoc Indigo Series Manuel utilisateur

Manitowoc

Manitowoc S1400M Manuel d'instructions et de sécurité

Manitowoc

Manitowoc QuietQube Indigo Series Manuel utilisateur

Manitowoc

Manitowoc GUARDIAN GSI200 Manuel d'instructions et de sécurité

Manitowoc

Manitowoc NEO Manuel utilisateur

Manitowoc

Manitowoc UnderCounter QM45 Instructions d'utilisation

Manuels Machine à glaçons populaires d'autres marques

Hoshizaki

Hoshizaki KMD-460MWJ Manuel utilisateur

Sub-Zero

Sub-Zero 315I Instructions d'utilisation

Unold

Unold 48945 Manuel utilisateur

Kenmore

Kenmore 2217402A Manuel utilisateur

Cornelius

Cornelius WM600 Mode d'emploi

GE XPIO43SCSS Manuel utilisateur

Hoshizaki

Hoshizaki KMD-901MAH Manuel utilisateur

Whynter

Whynter FIM-450HA Manuel utilisateur

U-Line

U-Line UMCR014-SC01A Manuel d'installation

Andrew James

Andrew James AJ000522 Manuel utilisateur

Scotsman

Scotsman CME1356 Manuel utilisateur

Scotsman

Scotsman ACM 25 Manuel utilisateur

Kärcher

Kärcher IP 120 Manuel utilisateur

U-Line

U-Line SS1095 Manuel utilisateur

Maytag

Maytag MIM1554WRS - Ice Maker Manuel utilisateur

Hoshizaki

Hoshizaki KM-630MAH Manuel utilisateur

Princess

Princess Yonanas Manuel utilisateur

Unold

Unold 48946 Manuel utilisateur