Manitowoc QF0400 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

Q Model Flake/Chiplet

S Model Flake/Nugget

Part Number 80-1230-9 10/10

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 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 80-1230-9 10/10 5

Table of Contents

General Information

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

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

Model/Serial Number Location . . . . . .15

Manitowoc Cleaner and Sanitizer . . . .15

Ice Machine Warranty Information . . .15

Q Model & S Model Flake/Chiplet/Nugget

Commercial Warranty . . . . . . . . . . . . . . .16

Q Model & S Model Flake/Chiplet/Nugget Res-

idential Warranty . . . . . . . . . . . . . . . . . . .18

Installation

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

Ice Machine Clearance Requirements . .24

Ice Machine Heat of Rejection . . . . . . . . .25

Location of Traditional Remote Units and Re-

mote condensing units . . . . . . . . . . . . . .26

Electrical Service . . . . . . . . . . . . . . . . . . .27

Circuit Ampacity . . . . . . . . . . . . . . . . .28

Ice Machine Head Section Water

Supply and Drains . . . . . . . . . . . . . . . . . .31

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

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

Drain Connections . . . . . . . . . . . . . . . .32

Cooling Tower Applications

(Water-Cooled Models) . . . . . . . . . . . .32

Installing on a Dispenser . . . . . . . . . . .33

Line Set Requirements . . . . . . . . . . . .34

Component Identification

QF400 Air-cooled . . . . . . . . . . . . . . . . . . .37

QF800/QC700 Air & Water-cooled . . . . . .38

SF0400/SN0450/SF0600/SN0650/SF0900/

SN0950/SF1200/SN1250 Air & Water-cooled

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

SF0600/SN0650/SF0900/SN0950/SF1200/

SN1250 Remote & QuietQube Model . . .41

6 Part Number 80-1230-9 10/10

Maintenance

Manitowoc’s Cleaning Technology . . . . 44

Exterior Cleaning . . . . . . . . . . . . . . . . 45

Preventative Maintenance Procedure . . 46

QF0400 . . . . . . . . . . . . . . . . . . . . . . . 46

QC0700/QF0800/QF2200/QF2300 . . 48

SN012/SN020/SF0400/SN0450/SF0600/

SN0650/SF0900/SN0950/SF1200/SN1250

Heavily Scaled Procedure . . . . . . . . . . . . 53

QF0400 . . . . . . . . . . . . . . . . . . . . . . . 53

QC0700/QF0800/QF2200/QF2300 . . 54

SN012/SN020/SF0400/SN0450/SF0600/

SN0650/SF0900/SN0950/SF1200/SN1250

Cleaning And Sanitizing Procedure . . . . 57

QF0400 . . . . . . . . . . . . . . . . . . . . . . . 57

QC0700/QF0800/QF2200/QF2300 . . 60

SN012/SN020/SF0400/SN0450/SF0600/

SN0650/SF0900/SN0950/SF1200/SN1250

Component Disassembly For Cleaning And

Sanitizing . . . . . . . . . . . . . . . . . . . . . . . . . 65

General Information . . . . . . . . . . . . . . 65

QF400 . . . . . . . . . . . . . . . . . . . . . . . . 66

QC0700/QF0800/QF2200/QF2300 . . 71

SN012/SN020 . . . . . . . . . . . . . . . . . . 84

Water Dump Valve - All Models . . . . . 98

Cleaning the Condenser . . . . . . . . . . . 100

Removal from Service/Winterization . . . 102

General . . . . . . . . . . . . . . . . . . . . . . . . 102

Self-Contained Air-Cooled or Remote Air-

Cooled Ice Machines . . . . . . . . . . . . . 102

Water-Cooled Ice Machines . . . . . . . . 103

Remote Ice Machines . . . . . . . . . . . . . 103

Part Number 80-1230-9 10/10 7

Operation

Ice Making Sequence of Operation . . . . .105

QF0400/QC0700/QF0800 . . . . . . . . . .105

QF2200 . . . . . . . . . . . . . . . . . . . . . . . .107

QF2300 . . . . . . . . . . . . . . . . . . . . . . . .112

SN012/SN020/SF0400/SN0450/SF0600/

SN0650/SF0900/SN0950/SF1200/SN1250

Nugget/Flake Machines . . . . . . . . . . .116

Energized Parts . . . . . . . . . . . . . . . . . .119

Troubleshooting

SafeGuard Feature . . . . . . . . . . . . . . . . . .121

QF0400/QC0700/QF0800/QF2200/QF2300 123

No Water SafeGuard . . . . . . . . . . . . . .123

Gear Motor Speed . . . . . . . . . . . . . . . .125

Temperature Is Too high Or Too Low .127

QF2200 Only - Temperature Is Too High or

Low . . . . . . . . . . . . . . . . . . . . . . . . . . .130

SN012/SN020/SF0400/SN0450/SF0600/

SN0650/SF0900/SN0950/SF1200/SN1250 132

No Water . . . . . . . . . . . . . . . . . . . . . . .132

No Ice Production . . . . . . . . . . . . . . . .133

Diagnosing an Ice Machine That Will Not Run

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135

QF0400/QC0700/QF0800/QF2200/QF2300

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135

RFC0985/RFC1285/RFC2085/RFC2385

DiagnosingACondensingUnitThatWillNot

Run . . . . . . . . . . . . . . . . . . . . . . . . . . .136

QF0400/QC0700/QF0800/QF2200/QF2300

Operational Problem Checklist . . . . . .137

SN012/SN020/SF0400/SN0450/SF0600/

SN0650/SF0900/SN0950/SF1200/SN1250

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140

Refrigeration Diagnostics . . . . . . . . . . . .146

Before Beginning Service . . . . . . . . . .146

Installation/Visual Inspection Checklist 146

Water System Checklist . . . . . . . . . . .147

Ice Production/Quality Check . . . . . . .148

Analyzing Discharge Pressure . . . . . .149

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

8 Part Number 80-1230-9 10/10

Component Check Procedures

QF0400/QC0700/QF0800/QF2200/QF2300 153

Main Fuse . . . . . . . . . . . . . . . . . . . . . . 153

ICE/OFF/CLEAN Toggle Switch . . . . . 154

Water Float Valve . . . . . . . . . . . . . . . . 155

Water Level Check . . . . . . . . . . . . . . . 156

Bin Level Probe Diagnostics . . . . . . . . 157

Water Level Probes . . . . . . . . . . . . . . 161

Motor Speed Sensor . . . . . . . . . . . . . 165

Temperature Sensor . . . . . . . . . . . . . . 167

QF2200 Only . . . . . . . . . . . . . . . . . . . . . . . 169

Low Pressure Cut-Out Control . . . . . . 169

QF2300 Only . . . . . . . . . . . . . . . . . . . . . . . 170

Equalization Valve . . . . . . . . . . . . . . . 170

Electronic Bin Thermostat . . . . . . . . . 171

S Model Nugget/Flake . . . . . . . . . . . . . . . 176

Main Fuse . . . . . . . . . . . . . . . . . . . . . . 176

ICE/OFF/CLEAN Toggle Switch . . . . . 177

Float Switch . . . . . . . . . . . . . . . . . . . . 178

Ice Damper and Hall Effect Switches . 179

SN012/SN020 Only . . . . . . . . . . . . . . . . . . 182

Selector Switch . . . . . . . . . . . . . . . . . . 182

Dispense Switch . . . . . . . . . . . . . . . . . 183

Touchless Sensor . . . . . . . . . . . . . . . . 184

All Models . . . . . . . . . . . . . . . . . . . . . . . . . 185

High Pressure Cutout Control . . . . . . . 185

Compressor Electrical Diagnostics . . . 187

Diagnosing Start Components . . . . . . 189

Self Contained Air Cooled Models . . . . . 191

Fan Cycle Control . . . . . . . . . . . . . . . . 191

Self Contained Water-cooled Models . . 192

Water Regulating Valve . . . . . . . . . . . 192

Headmaster Control Valve . . . . . . . . . . . 193

Refrigerant Recovery/Evacuation . . . . . 195

Normal Self-Contained Procedures . . 195

Remote Air-Cooled Models . . . . . . . . 199

System Contamination Clean-Up . . . . . . 202

Determining Severity Of Contamination 202

Cleanup Procedure . . . . . . . . . . . . . . 204

Replacing Pressure Controls Without Re-

moving Refrigerant Charge . . . . . . . . 207

Part Number 80-1230-9 10/10 9

Gear Box Removal . . . . . . . . . . . . . . . . . .210

QF0400 . . . . . . . . . . . . . . . . . . . . . . . .210

QC0700/QF0800 . . . . . . . . . . . . . . . . .212

QF2200/QF2300 . . . . . . . . . . . . . . . . .214

Evaporator Re-Build Kits . . . . . . . . . . . . .216

Identifying Correct Kit: . . . . . . . . . . . . .216

Cleaning Evaporator after Disassembly 219

Evaporator Reassembly . . . . . . . . . . .220

EVAPORATOR REMOVAL . . . . . . . . . . . .222

QF0400 . . . . . . . . . . . . . . . . . . . . . . . .222

QC0700/QF0800 . . . . . . . . . . . . . . . . .224

QF2200/QF2300 . . . . . . . . . . . . . . . . .226

Component Specifications

Main Fuse . . . . . . . . . . . . . . . . . . . . . .229

ICE/OFF/CLEAN Toggle Switch . . . . .229

Fan Cycle Control . . . . . . . . . . . . . . . .229

High Pressure Cutout (HPCO) Control 229

Torque Values . . . . . . . . . . . . . . . . . . .229

Gearmotor RPMs . . . . . . . . . . . . . . . .230

Filter-Driers . . . . . . . . . . . . . . . . . . . . .230

Suction Line Filter . . . . . . . . . . . . . . . .231

Suction Cleanup Filter-Drier . . . . . . . .231

Total System Refrigerant Charge . . . . . .232

10 Part Number 80-1230-9 10/10

Charts

Cycle Times/24-Hour Ice Production/

Refrigerant Pressure Charts . . . . . . . . . . 233

SN012A/SN020A . . . . . . . . . . . . . . . . 234

QF0400A Stainless Steel Evaporator . 235

QF0400A Bronze Evaporator . . . . . . . 236

SF0400A . . . . . . . . . . . . . . . . . . . . . . 237

SF0400W . . . . . . . . . . . . . . . . . . . . . . 238

SN0450A . . . . . . . . . . . . . . . . . . . . . . 239

SN0450W . . . . . . . . . . . . . . . . . . . . . . 240

SF0600A . . . . . . . . . . . . . . . . . . . . . . 241

SF0600W . . . . . . . . . . . . . . . . . . . . . . 242

SF0600N . . . . . . . . . . . . . . . . . . . . . . 243

SN0650A . . . . . . . . . . . . . . . . . . . . . . 244

SN0650W . . . . . . . . . . . . . . . . . . . . . . 245

SN0650N . . . . . . . . . . . . . . . . . . . . . . 246

QC0700A . . . . . . . . . . . . . . . . . . . . . . 247

QC0700W . . . . . . . . . . . . . . . . . . . . . . 248

QF0800A . . . . . . . . . . . . . . . . . . . . . . 249

QF0800W . . . . . . . . . . . . . . . . . . . . . . 250

SF900A . . . . . . . . . . . . . . . . . . . . . . . 251

SF900W . . . . . . . . . . . . . . . . . . . . . . . 252

SF900C/RFC985 . . . . . . . . . . . . . . . . 253

SN950A . . . . . . . . . . . . . . . . . . . . . . . 254

SN950W . . . . . . . . . . . . . . . . . . . . . . . 255

SN950C/RFC985 . . . . . . . . . . . . . . . . 256

SF1200A . . . . . . . . . . . . . . . . . . . . . . 257

SF1200W . . . . . . . . . . . . . . . . . . . . . . 258

SF1200C/RFC1285 . . . . . . . . . . . . . . 259

SN1250A . . . . . . . . . . . . . . . . . . . . . . 260

SN1250W . . . . . . . . . . . . . . . . . . . . . . 261

SN1250C/RFC1285 . . . . . . . . . . . . . . 262

QF2200/RFC2085 . . . . . . . . . . . . . . . 263

QF2300/RFC2385 . . . . . . . . . . . . . . . 264

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