Manitowoc SD0672C User manual

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

Part Number 80-1505-3 6/11 11
SY1874C/CVD1885 Series Remote Air
Cooled . . . . . . . . . . . . . . . . . . . . . . . . .264
SD2072C/CVD2075 Series Remote Air
Cooled . . . . . . . . . . . . . . . . . . . . . . . . .265
SY2074C/CVD2075 Series Remote Air
Cooled . . . . . . . . . . . . . . . . . . . . . . . . .266
SD2172C/CVD2085 Series Remote Air
Cooled . . . . . . . . . . . . . . . . . . . . . . . . .267
SY2174C/CVD2085 Series Remote Air
Cooled . . . . . . . . . . . . . . . . . . . . . . . . .268
SD3072C/CVD3085 Series Remote Air
Cooled . . . . . . . . . . . . . . . . . . . . . . . . .269
SY3074C/CVD3085 Series Remote Air
Cooled . . . . . . . . . . . . . . . . . . . . . . . . .270
Diagrams
Wiring Diagrams . . . . . . . . . . . . . . . . . . . .271
Wiring Diagram Legend . . . . . . . . . . . .271
S600C/S850C/1000C/S1200C . . . . . .272
S600C/S680C/S850C/1000C/S1200C 273
S1470C/S1870C/S2070C/S2170C . . .274
S3070C 115/60/1 . . . . . . . . . . . . . . . .275
S3070C 230V/50Hz/1Ph . . . . . . . . . .276
IB0600C/IB0800C/IB1000C with S Control
Board and Electronic Bin Thermostat .277
IB0600C/IB0680C/IB0800C/IB1000C
with Air Assist/S Control Board/Electronic
Bin Thermostat . . . . . . . . . . . . . . . . . .278
CVD675/CVD685/CVD885/CVD1075/
CVD1085/CVD1185/CVD1285/CVD1485/
CVD1486/CVD1885/CVD2075/CVD3085 -
1 Phase . . . . . . . . . . . . . . . . . . . . . . . .279
CVD2085 without PTCR- 1 Phase . . .280
CVD2085 with PTCR- 1 Phase . . . . . .281
CVD675/CVD685/CVD885/CVD1075/
CVD1085/CVD1185/CVD1285/CVD1485/
CVD1486/CVD1885/CVD2075/CVD2085/
CVD3085 - 3 Phase . . . . . . . . . . . . . .282
CVD3085 380V/50hz/3ph . . . . . . . . . .283

12 Part Number 80-1505-3 6/11
Electronic Control Board . . . . . . . . . . . . 284
Single and Twin Evaporator Models . . 284
Quad Evaporator Models . . . . . . . . . . 286
Refrigeration Tubing Schematics . . . . . 287
S600C/S680C/S850C/S1000C/S1200C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
S600C/S680C/S850C/S1000C/S1200C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
Ice Beverage IB0600C/IB0680C/IB0800C/
IB1000C . . . . . . . . . . . . . . . . . . . . . . . 289
Ice Beverage IB0600C/IB0680C/IB0800C/
IB1000C . . . . . . . . . . . . . . . . . . . . . . . 290
S1470C/S1870C/S2070C/S2170C . . . 291
S1470C/S1870C/S2070C/S2170C . . . 292
S1476C Water-Cooled Condenser . . . 293
S3070C Without Check Valve . . . . . . 294
S3070C With Check Valve . . . . . . . . . 295

Part Number 80-1505-3 6/11 13
General Information
MODEL NUMBERS
This manual covers the following models:
Ice Machine Head
Section CVD Condensing Unit*
SD0672C
SY0674C
IB0624YC
IB0622DC CVD0675
SD0682C
SY0684C
IB0684YC
IB0682DC CVD0685
SD0872C
SY0874C
IB0824YC
IB0822DC CVD0885
SD1072C
SY1074C CVD1085
IB1024YC
IB1022DC
CVD1185
CVD1285
CVD1085
CVD1075
SD1272C
SY1274C CVD1285
SD1472C
SY1474C CVD1485 CVD1486
SD1872C
SY1874C CVD1885
SD2072C
SY2074C CVD2075
SD2172C
SY2174C CVD2085
SD3072C
SY3074C CVD3085
*For 3 phase electrical option: add the number “3”
to end of model number (CVD10853).

14 Part Number 80-1505-3 6/11
HOW TO READ A MODEL NUMBER
Head Section
Condensing Unit
S Y 1074 C 3
ICE MACHINE
MODEL
ICE CUBE SIZE
D DICE
Y HALF DICE
# CUBE SIZE
2 DICE
3 DICE
4 HALF-DICE
5 HALF-DICE
CONDENSER TYPE
AIR-COOLED
WATER-COOLED
AIR-COOLED
WATER-COOLED
AY
Y SELF-CONTAINED AIR-COOLED
WYY SELF-CONTAINED WATER-COOLED
CYY CVD REMOTE AIR or WATER-COOLED
DC CVD REMOTE AIR-COOLED - DICE
YC CVD REMOTE AIR-COOLED - HALF DICE
7 CVD REMOTE
AIR-COOLED
CONDENSER TYPE
ICE MACHINE
SERIES
ADDITIONAL SPECS
3 3 PHASE
SI INCLUDES
AuCS SI BUILT IN
CVD 1485 3
CONDENSING
UNIT MODEL
3 PHASE
CONDENSING
UNIT SERIES
5 AIR-COOLED
6 WATER-COOLED

Part Number 80-1505-3 6/11 15
ICE CUBE SIZES
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
Do not operate equipment that has been
misused, abused, neglected, damaged, or
altered/modified from that of original
manufactured specifications.
This appliance is not intended for use by
persons (including children) with reduced
physical, sensory or mental capabilities, or lack
of experience and knowledge, unless they
have been given supervision concerning use of
the appliance by a person responsible for their
safety.
!Warning
All Manitowoc ice machines require the ice
storage system (bin, dispenser, etc.) to
incorporate an ice deflector.
Prior to using a non-Manitowoc ice storage
system with other Manitowoc ice machines,
contact the manufacturer to assure their ice
deflector is compatible with Manitowoc ice
machines.

16 Part Number 80-1505-3 6/11
MODEL/SERIAL NUMBER LOCATION
These numbers are required when requesting
information from your local Manitowoc Distributor,
service representative, or Manitowoc Ice, Inc. The
model and serial number are listed on the OWNER
WARRANTY REGISTRATION CARD. They are also
listed on the MODEL/SERIAL NUMBER DECAL
affixed to the ice machine.
ENERGY EFFICIENT ICE MACHINE
SERIAL BREAKS
Some specifications have changed since our release
of Energy Efficient machines. The following machines
have a serial break to indicate when they became
Energy Efficient.
Series Ice
Machine Serial Break for Energy Efficient Machines
S850C 110682385
S1000C 110697654
S1200C 110706336
IB800C 110682385
IB1000C 110697294
CVD885 110673885

Part Number 80-1505-3 6/11 17
ICE MACHINE WARRANTY INFORMATION
Owner Warranty Registration Card
Warranty coverage begins the day the ice machine is
installed.
If the OWNER WARRANTY REGISTRATION CARD is
not returned, Manitowoc will use the date of sale to the
Manitowoc Distributor as the first day of warranty
coverage for your new ice machine.
Important
Complete and mail the OWNER WARRANTY
REGISTRATION CARD as soon as possible to
validate the installation date.

18 Part Number 80-1505-3 6/11
Commercial Warranty Coverage
GENERAL
The following Warranty outline is provided for your
convenience. For a detailed explanation, read the
warranty bond shipped with each product.
Contact your local Manitowoc representative or
Manitowoc Ice if you need further warranty
information.
PARTS
1. Manitowoc warrants the ice machine against
defects in materials and workmanship, under
normal use and service for three (3) years from
the date of original installation.
2. The evaporator and compressor are covered by
an additional two (2) year (five years total)
warranty beginning on the date of the original
installation.
LABOR
1. Labor required to repair or replace defective
components is covered for three (3) years from
the date of original installation.
2. The evaporator is covered by an additional
two (2) year (five years total) labor warranty
beginning on the date of the original installation.

Part Number 80-1505-3 6/11 19
EXCLUSIONS
The following items are not included in the ice
machine’s warranty coverage:
1. Normal maintenance, adjustments and cleaning
as outlined in this manual.
2. Repairs due to unauthorized modifications to the
ice machine or use of non-standard parts without
prior written approval from Manitowoc Ice
3. Damage caused by improper installation of the ice
machine, electrical supply, water supply or
drainage, or damage caused by floods, storms, or
other acts of God.
4. Premium labor rates due to holidays, overtime,
etc.; travel time; flat rate service call charges;
mileage and miscellaneous tools and material
charges not listed on the payment schedule.
Additional labor charges resulting from the
inaccessibility of equipment are also excluded.
5. Parts or assemblies subjected to misuse, abuse,
neglect or accidents.
6. Damage or problems caused by installation,
cleaning and/or maintenance procedures
inconsistent with the technical instructions
provided in this manual.
AUTHORIZED WARRANTY SERVICE
To comply with the provisions of the warranty, a
refrigeration service company qualified and authorized
by your Manitowoc Distributor, or a Contracted Service
Representative must perform the warranty repair.
SERVICE CALLS
Normal maintenance, adjustments and cleaning as
outlined in this manual are not covered by the
warranty. If you have followed the procedures listed in
this manual, and the ice machine still does not perform
properly, call your Local Distributor or the Service
Department at Manitowoc Ice.

20 Part Number 80-1505-3 6/11
RESIDENTIAL ICE MACHINE LIMITED WARRANTY
WHAT DOES THIS LIMITED WARRANTY COVER?
Subject to the exclusions and limitations below,
Manitowoc Ice (“Manitowoc”) warrants to the original
consumer that any new ice machine manufactured by
Manitowoc (the “Product”) shall be free of defects in
material or workmanship for the warranty period
outlined below under normal use and maintenance,
and upon proper installation and start-up in
accordance with the instruction manual supplied with
the Product.
HOW LONG DOES THIS LIMITED WARRANTY
LAST?
WHO IS COVERED BY THIS LIMITED WARRANTY?
This limited warranty only applies to the original
consumer of the Product and is not transferable.
WHAT ARE MANITOWOC ICE’S OBLIGATIONS
UNDER THIS LIMITED WARRANTY?
If a defect arises and Manitowoc receives a valid
warranty claim prior to the expiration of the warranty
period, Manitowoc shall, at its option: (1) repair the
Product at Manitowoc’s cost, including standard
straight time labor charges, (2) replace the Product
with one that is new or at least as functionally
equivalent as the original, or (3) refund the purchase
price for the Product. Replacement parts are
warranted for 90 days or the balance of the original
warranty period, whichever is longer. The foregoing
constitutes Manitowoc’s sole obligation and the
consumer’s exclusive remedy for any breach of this
limited warranty. Manitowoc’s liability under this limited
warranty is limited to the purchase price of Product.
Additional expenses including, without limitation,
service travel time, overtime or premium labor
charges, accessing or removing the Product, or
shipping are the responsibility of the consumer.
Product Covered Warranty Period
Ice Machine Twelve months from the
sale date