Manitowoc SD0302A Manuale utente

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

S Model

Ice Machines

Part Number 80-1479-3 7/10

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 b ox alerts yo u to a p otential

personal injury si tuation. Be su re to read the

Warning statement before proceeding, a nd w ork

carefully.

!Caution

Text in a Caution box alerts you to a si tuation in

which you could damage the equipment. Be sure

to read the Caution statement before proceeding,

and work carefully.

Important

Text in an Impo rtant b ox provid es you wi th

information t hat ma y h elp yo u perform a

procedure more ef ficiently. Di sregarding thi s

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 i nstallation, ca re and ma intenance are

essential for maximum performance and trouble-

free op eration of you r Manitowo c eq uipment. If

you en counter prob lems not covered by this

handbook, do no t procee d, contact Ma nitowoc

Foodservice. We wi ll b e happy to p rovide

assistance.

Important

Routine ad justments and main tenance

procedures outlin ed in thi s handbook are not

covered by the warranty.

!Warning

PERSONAL INJURY POTENTIAL

Do n ot ope rate eq uipment that has b een

misused, ab used, ne glected, d amaged, o r

altered/modified from that of origi nal

manufactured specifications.

We reserve the right to make product

improvements at any time. Specifications and

design are subject to change without notice.

Part Number 80-1479-3 7/10 5

Table of Contents

General Information

Model Numbers . . . . . . . . . . . . . . . . . . . . . 9

How to Read a Model Number . . . . . . 10

Ice Cube Sizes . . . . . . . . . . . . . . . . . . . . . 10

Model/Serial Number Location . . . . . . . . 11

Energy Efficient Ice Machine

Serial Breaks . . . . . . . . . . . . . . . . . . . . . . . 12

Ice Machine Warranty Information . . . . . 13

Owner Warranty Registration Card . . . 13

Commercial Warranty Coverage . . . . . 14

Residential Ice Machine Warranty . . . . 16

Installation

Location of Ice Machine . . . . . . . . . . . . . . 21

Ice Machine Clearance Requirements . . 22

Ice Machine Heat of Rejection . . . . . . . . . 23

Remote Condenser Line Set Installation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Calculating Remote Condenser

Installation Distances . . . . . . . . . . . . . 25

Lengthening or Reducing Line Sets . . 27

Connecting A Line Set . . . . . . . . . . . . 28

Component Identification

S Model Single Evaporator Models . . . . . 29

S Model Quad Evaporator Models . . . . . 30

Maintenance

General . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Cleaning / Sanitizing Procedure . . . . . . . 32

Cleaning Procedure . . . . . . . . . . . . . . 32

Parts Removal for Cleaning/Sanitizing 34

Procedure to Clean Heavily Scaled

Ice Machines . . . . . . . . . . . . . . . . . . . . . . . 40

General . . . . . . . . . . . . . . . . . . . . . . . . 40

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

Parts Removal for Cleaning/Sanitizing 43

6 Part Number 80-1479-3 7/10

Removal from Service/Winterization . . . 57

Self-Contained Air-Cooled Ice Machines 57

Water-Cooled Ice Machines . . . . . . . . 58

Remote Ice Machines . . . . . . . . . . . . . 58

Sequence of Operation

Self Contained Air or Water Cooled . . . . 59

Single & Quad Evaporator Models . . . 59

Safety Timers . . . . . . . . . . . . . . . . . . . . . . 64

Safety Limits . . . . . . . . . . . . . . . . . . . . . . 65

Remotes . . . . . . . . . . . . . . . . . . . . . . . 72

Troubleshooting

Safety Limits . . . . . . . . . . . . . . . . . . . . . . 81

Quad Evaporator Machines Only . . . . 82

Analyzing Why a Safety Limit Stopped the

Ice Machine . . . . . . . . . . . . . . . . . . . . 84

Safety Limit #1 . . . . . . . . . . . . . . . . . . 85

Safety Limit #2 . . . . . . . . . . . . . . . . . . 86

Safety Limit #3 . . . . . . . . . . . . . . . . . . 87

Control Board Testing . . . . . . . . . . . . . . . 88

Control Board Test Cycle . . . . . . . . . . 88

Troubleshooting By Symptom . . . . . . . . 89

Symptom #1 Ice Machine will not run . 90

Compressor Electrical Diagnostics . . . 92

Symptom #2 Low Productionand/or Long

Freeze Cycle . . . . . . . . . . . . . . . . . . . . 94

Symptom #2 - Freeze Cycle Refrigeration

System Operational Analysis Tables . 96

Freeze Cycle Refrigeration System Opera-

tional Analysis Table Procedures . . . . 105

Harvest Problems . . . . . . . . . . . . . . . . . . 126

Symptom #3 Ice Will Not Harvest, Cubes

Are Not Melted . . . . . . . . . . . . . . . . . . 127

Symptom #3 - Traditional Remotes Only

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Symptom #4 Will Not Harvest, Cubes Are

Melted . . . . . . . . . . . . . . . . . . . . . . . . . 131

Part Number 80-1479-3 7/10 7

Component Check Procedures

Electrical Components . . . . . . . . . . . . . . . 135

Main Fuse . . . . . . . . . . . . . . . . . . . . . . 135

ICE/OFF/CLEAN Toggle Switch . . . . . 136

Bin Switch . . . . . . . . . . . . . . . . . . . . . . 137

Cleaning the Ice Thickness or Water Level

Probe . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Water Level Control Circuitry . . . . . . . 141

Ice Thickness Probe (Harvest Initiation)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Harvest Assist Air Pump . . . . . . . . . . . 151

Compressor Electrical Diagnostics . . . . 152

Diagnosing Start Components . . . . . . 154

Refrigeration Components . . . . . . . . . . . 158

High Pressure Cutout (HPCO) Control 158

Fan Cycle Control . . . . . . . . . . . . . . . . 159

Water Regulating Valve . . . . . . . . . . . 160

Harvest Pressure Regulating (HPR) System

Remotes Only . . . . . . . . . . . . . . . . . . . 161

Head Pressure Control Valve . . . . . . . 164

Low Pressure Cutout (LPCO) Control . 167

Harvest Pressure Solenoid Valve . . . . 168

Refrigerant Recovery/Evacuation . . . . . . 169

Normal Self-Contained Model Procedures

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

Normal Remote Model Procedures . . . 173

System Contamination Clean-Up . . . . . . 178

Determining Severity Of Contamination 178

Cleanup Procedure . . . . . . . . . . . . . . . 180

Replacing Pressure Controls Without Re-

moving Refrigerant Charge . . . . . . . . . 183

Specifications

Main Fuse . . . . . . . . . . . . . . . . . . . . . . 185

Fan Cycle Control . . . . . . . . . . . . . . . . 185

High Pressure Cutout (HPCO) Control 185

Filter-Driers . . . . . . . . . . . . . . . . . . . . . 186

Total System Refrigerant Charge . . . . 187

8 Part Number 80-1479-3 7/10

Charts

Cycle Times/24-Hour Ice Production/

Refrigerant Pressure Charts . . . . . . . . . . 191

S300 Series . . . . . . . . . . . . . . . . . . . . 192

S320 Series . . . . . . . . . . . . . . . . . . . . 196

S420 Series . . . . . . . . . . . . . . . . . . . . 198

S450 Series . . . . . . . . . . . . . . . . . . . . 202

S500 Series . . . . . . . . . . . . . . . . . . . . 206

S600 Series . . . . . . . . . . . . . . . . . . . . 215

S850 Series . . . . . . . . . . . . . . . . . . . . 218

S1000 Series . . . . . . . . . . . . . . . . . . . 227

S1200 Series . . . . . . . . . . . . . . . . . . . 236

S1400 Series . . . . . . . . . . . . . . . . . . . 242

S1600 Series . . . . . . . . . . . . . . . . . . . 253

S1800 Series . . . . . . . . . . . . . . . . . . . 256

S3300 Series . . . . . . . . . . . . . . . . . . . 265

Diagrams

Wiring Diagrams . . . . . . . . . . . . . . . . . . . 267

Wiring Diagram Legend . . . . . . . . . . . 267

Wiring Diagrams Before Energy Efficient &

EnergyStar Machines . . . . . . . . . . . . . 268

Wiring Diagrams for Energy Efficient & En-

ergyStar Machines . . . . . . . . . . . . . . . 279

Electronic Control Board . . . . . . . . . . . . 290

Single and Twin Evaporator . . . . . . . . 290

Single and Twin Evaporator With Test But-

ton . . . . . . . . . . . . . . . . . . . . . . . . . . . 291

Quad Evaporator Ice Machines . . . . . 292

Refrigeration Tubing Schematics . . . . . 293

Self-Contained Air- or

Water -Cooled Models . . . . . . . . . . . . 293

Remote Models . . . . . . . . . . . . . . . . . 295

Part Number 80-1479-3 7/10 9

General Information

Model Numbers

This manual covers the following models:

NOTE: Model numbers ending in 3 indicate a 3

phase unit. Example: SY1004A3.

Self-Contained

Air-Cooled Self-Contained

Water-Cooled Remote

SD0302A

SY0304A

SD0303W

SY0305W

---

SD0322A

SY0324A

SD0323W

SY0325W

---

SR0420A

SD0422A

SY0424A

SR0421W

SD0423W

SY0425W

---

SD0452A

SY0454A

SD0453W

SY0455W

---

SR0500A

SD0502A

SY0504A

SR0501W

SD0503W

SY0505W

SD0592N

SY0594N

SD0602A

SY0604A

SD0603W

SY0605W

SD0692N

SY0694N

SR0850A

SD0852A

SY0854A

SR0851W

SD0853W

SY0855W

SR0890N

SD0892N

SY0894N

SR1000A

SD1002A

SY1004A

SR1001W

SD1003W

SY1005W

SR1090N

SD1092N

SY1094N

SD1202A

SY1204A

SD1203W

SY1205W

---

SD1402A

SY1404A

SD1403W

SY1405W

SD1492N

SY1494N

SR1600A

SD1602A

SY1604A

SR1601W

SD1603W

SY1605W

SR1690N

SD1692N

SY1694N

SR1800A

SD1802A

SY1804A

SR1801W

SD1803W

SY1805W

SR1890N

SD1892N

SY1894N

---

SD3303W

SD3303WHP

SY3305W

SY3305WHP

---

10 Part Number 80-1479-3 7/10

HOW TO READ A MODEL NUMBER

Ice Cube Sizes

Regular

1-1/8" x 1-1/8" x 7/8"

2.86 x 2.86 x 2.22 cm

Dice

7/8" x 7/8" x 7/8"

2.22 x 2.22 x2.22 cm

Half Dice

3/8" x 1-1/8" x 7/8"

0.95 x 2.86 x 2.22 cm

!Warning

Personal Injury Potential

Do not operate equipment that has been misused,

abused, neglected, damaged, or altered/modified

from that of original manufactured specifications.

S Y 1094 N SI

ICE MACHINE

MODEL

ICE CUBE SIZE

R REGULAR

D DICE

Y HALF DICE

# CUBE SIZE

0 REGULAR

1 REGULAR

2 DICE

3 DICE

4 HALF-DICE

5 HALF-DICE

CONDENSER TYPE

AIR-COOLED

WATER-COOLED

AIR-COOLED

WATER-COOLED

AIR-COOLED

WATER-COOLED

A SELF-CONTAINED AIR-COOLED

W SELF-CONTAINED WATER-COOLED

N REMOTE AIR-COOLED

9 REMOTE

AIR-COOLED

CONDENSER TYPE

ICE MACHINE

SERIES

ADDITIONAL SPECS

3 PHASE

M MARINE UNIT

HP HIGH PRESSURE

WATER VALVE

SI AUCS-SI INCLUDED

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