Manitowoc QR0670C Manuel utilisateur

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

Q Model

QuietQube®

Ice Machines

Part Number 80-0099-9 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.

Table of Contents

Model Numbers

Model/Serial Number Location.............................. 2

Ice Machine Warranty Information

Owner Warranty Registration Card....................... 3

Warranty Coverage............................................... 4

General............................................................. 4

Parts................................................................. 4

Labor................................................................ 4

Exclusions ........................................................ 4

Authorized Warranty Service............................ 5

Service Calls..................................................... 5

Installation

Location of Ice Machine........................................ 6

Ice Machine Head Section 

Clearance Requirements ...................................... 6

Q0600C/Q0800C/Q1000C ............................... 6

SU1000/SerVend UC-300:............................... 6

Stacking Two Ice Machines on a 

Single Storage Bin ................................................ 7

Ice Deflector.......................................................... 7

Location of CVD®Condensing Unit....................... 8

Condensing Unit Clearance Requirements........... 8

Ice Machine Head Section Water 

Supply and Drains................................................. 9

Potable Water Supply....................................... 9

Potable Water Inlet Lines ................................. 9

Drain Connections.......................................... 10

Water cooled condenser water 

supply and drains................................................ 11

Condenser Water Supply ............................... 11

Water Cooled Condenser Lines ..................... 11

Condensing Unit Drain Connections .............. 12

Electrical Requirements.......................................13

QuietQube®Ice Machines and 

CVD®Condensing Units................................13

3 Phase Scroll Compressor Rotation..............13

Refrigeration System Installation.........................15

Usage With Non-Manitowoc 

Condensing Units ...........................................15

Factory Equipment Refrigerant Amounts........16

Refrigeration Line Set Installation...................17

3 Phase Scroll Compressor Rotation 

CVD2075 Only ....................................................29

Condensing Unit Heat of Rejection .....................29

Operational Checks

General................................................................30

Water Level .........................................................30

Q0600C/Q0800C/Q1000C/QDUAL................30

Q1400C/SU1000C.........................................31

Ice Thickness Check ...........................................32

Harvest Sequence Water Purge..........................33

Interior Cleaning and Sanitizing

AlphaSanÒ..........................................................36

Cleaning Procedure.............................................37

Sanitizing Procedure ...........................................39

Automatic Cleaning System (AuCS®) Accessory

........................................................................41

Removal of Parts for Cleaning or Sanitizing...43

Removal from Service/Winterization

General................................................................63

CVD1476 Water Cooled Condensing Unit ..........64

AuCS®Accessory...............................................64

Component Identification

Ice Machine Head Section .................................. 65

Q0600C/Q0800C/Q1000C ............................. 65

SU1000C/SerVend UC-300 Dispenser .......... 67

Q1400C.......................................................... 68

QDUAL........................................................... 69

CVD®Condensing Unit ....................................... 70

CVD0675/CVD0875/CVD1075/CVD1475...... 70

CVD1476........................................................ 71

CVD1875/CVD2075 ....................................... 72

Ice Making Sequence of Operation

Q0600C/Q0800C/Q1000C/SU1000C ................. 73

Initial Start-Up or Start-Up After 

Automatic Shut-Off......................................... 73

Freeze Sequence........................................... 74

Harvest Sequence.......................................... 75

Automatic Shut-Off......................................... 76

Q1400C............................................................... 79

Initial Start-Up or Start-Up After Automatic Shut-

Off................................................................... 79

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

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

QDUAL................................................................ 84

Initial Start-Up or Start-Up After Automatic Shut-

Off................................................................... 84

Freeze Sequence........................................... 85

Harvest Sequence.......................................... 86

Electrical System

Component Specifications and Diagnostics Control

Board...................................................................91

Harvest/Safety Limit Light...............................91

Freeze Time Lock-In Feature .........................91

Maximum Freeze Time...................................91

Safety Limits...................................................91

Three-Minute Delay........................................92

Inputs..............................................................92

Control Board Relays......................................92

Main Fuse............................................................95

Function..........................................................95

Specifications..................................................95

Check Procedure............................................95

Bin Switch............................................................96

Function..........................................................96

Specifications..................................................96

Check Procedure............................................97

Ohm Test........................................................97

Water Curtain Removal Notes........................98

ICE/OFF/CLEAN Toggle Switch..........................99

Function..........................................................99

Specifications..................................................99

Check Procedure............................................99

Ice Thickness Probe (Harvest Initiation)............100

How the Probe Works...................................100

Ice Thickness Check.....................................100

Ice Thickness Probe Diagnostics..................101

Diagnosing Ice Thickness Control Circuitry..102

Water Level Control Circuitry.............................105

Diagnosing an Ice Machine Head Section 

that Will Not Run ...............................................112

Diagnosing a Condensing Unit 

that Will Not Run ...............................................113

Compressor Electrical Diagnostics....................114

Diagnosing Start Components...........................116

Electrical Diagrams............................................117

Ice Machine Head Section............................117

Condensing Unit...........................................121

Refrigeration System

Refrigeration System Diagnostics..................... 123

General......................................................... 123

Refrigeration System Operation................... 123

Ice Machine will Not Harvest Diagnostics ......... 127

Harvest Cycle Diagnostic List....................... 127

Ice Production Check........................................ 128

Installation/Visual Inspection Checklist......... 129

Water System Checklist............................... 130

Ice Formation Pattern................................... 131

Evaporator Tubing Routing........................... 131

Safety Limits................................................. 134

Analyzing Suction Pressure.......................... 142

Cool Vapor Valve .............................................. 146

Normal Operation......................................... 146

Cool Vapor Valve Analysis........................... 147

Freeze Cycle Suction Line Temperature Analysis

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

Refrigeration Component Diagnostic Charts..... 150

General......................................................... 150

Procedure..................................................... 150

Final Analysis ............................................... 150

Refrigeration Component Diagnostic Charts..... 152

Single Expansion Valve – Q0600C/0800C/

Q1000C/SU1000C........................................ 152

Dual Expansion Valve – Q1400C/QDUAL.... 157

Pressure Control Specifications 

and Diagnostics................................................. 160

Headmaster Control Valve ........................... 160

Water Regulating Valve................................ 170

Fan Cycle Control......................................... 171

High Pressure Cutout (HPCO) Control......... 172

Low Pressure Cutout (LPCO) Control.......... 173

QuietQube®Tubing Schematics........................ 174

Q0600C/Q0800C/Q1000C ........................... 174

Q1400C/QDUALC........................................ 175

Cycle Times/24-Hour Ice Production/Refrigerant

Pressure Charts

Q0600C/CVD675 Series Remote Air Cooled....177

Q0800C/CVD875 Series Remote Air Cooled....178

Q1000C/CVD1075 Series Remote Air Cooled..179

SU1000C/SerVend UC-300 Dispenser/CVD1075

Remote Air Cooled............................................180

Q1400C/CVD1475 Series Remote Air Cooled..181

Q1400C/CVD1476 Remote water Cooled.........182

QDUAL/CVD1875 Remote Air Cooled..............183

QDUAL/CVD2075 Remote air Cooled...............184

Refrigerant Recovery/Evacuation

System Contamination Cleanup........................188

General.........................................................188

Determining Severity of Contamination........188

Cleanup Procedure.......................................190

Replacing Pressure Controls Without Removing

Refrigerant Charge............................................193

Filter-Driers........................................................195

Liquid Line Filter-Drier ..................................195

Suction Line Filter.........................................196

Total System Refrigerant Charge......................197

Refrigerant Oil ...................................................198

Refrigerant Definitions.......................................199

Refrigerant Reuse Policy...................................200

Ce manuel convient aux modèles suivants

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