Manitowoc QDDUALC Commercial Ice Maker Manuals

Manuals and User Guides for Manitowoc QDDUALC Commercial Ice Maker. We have 1 Manitowoc QDDUALC Commercial Ice Maker manual available for free PDF download: Technician Manual

Manitowoc QDDUALC Technician Manual

Manitowoc QDDUALC Technician Manual (204 pages)

QuietQube Series

Brand: Manitowoc | Category: Ice Maker | Size: 2 MB

Table of Contents

Safety Notices
3
Table of Contents
5
Model Numbers

11
- Model/Serial Number Location
  12
Ice Machine Warranty Information

13
- Owner Warranty Registration Card
  13
- Warranty Coverage
  14
  - General
    14
  - Parts
    14
  - Labor
    14
  - Exclusions
    14
  - Authorized Warranty Service
    15
  - Service Calls
    15
Installation Location of Ice Machine

16
Component Identification

26
- Ice Machine Head Section
  26
  - Refrigeration Line Set Installation
    27
  - Q0600C/Q0800C/Q1000C
    35
- CVD2075 Only
  39
- Condensing Unit Heat of Rejection
  39
Operational Checks General

40
- Water Level
  40
  - Q0600C/Q0800C/Q1000C/Qdual
    40
  - Q1400C/Su1000C
    41
  - Ice Thickness Check
    42
  - Harvest Sequence Water Purge
    43
  - Interior Cleaning and Sanitizing
    44
  - Alphasanò
    46
  - Cleaning Procedure
    47
  - Sanitizing Procedure
    49
  - Automatic Cleaning System (Aucs ) Accessory
    51
  - Removal of Parts for Cleaning or Sanitizing
    53
  - Su1000C/Servend UC-300 Dispenser
    68
  - Removal from Service/Winterization General
    69
  - CVD1476 Water Cooled Condensing Unit
    70
  - Aucs® Accessory
    74
  - Q1400C
    74
  - Qdual
    75
- CVD ® Condensing Unit
  76
  - Cvd0675/Cvd0875/Cvd1075/Cvd1475
    76
  - Cvd1476
    77
  - Cvd1875/Cvd2075
    78
Ice Making Sequence of Operation

79
- Q0600C/Q0800C/Q1000C/Su1000C
  79
  - Initial Start-Up or Start-Up after
    79
  - Freeze Sequence
    80
  - Harvest Sequence
    81
  - Automatic Shut-Off
    82
  - Q1400C
    85
  - Initial Start-Up or Start-Up after Automatic Shut
    85
  - Off
    87
  - Freeze Sequence
    87
  - Harvest Sequence
    88
  - Qdual
    90
  - Initial Start-Up or Start-Up after Automatic Shut-Off
    90
  - Freeze Sequence
    91
  - Harvest Sequence
    92
  - Board
    93
Electrical System

97
- Component Specifications and Diagnostics Control Board
  97
  - Harvest/Safety Limit Light
    97
  - Freeze Time Lock-In Feature
    97
  - Maximum Freeze Time
    97
  - Safety Limits
    97
  - Three-Minute Delay
    98
  - Inputs
    98
  - Control Board Relays
    98
- Main Fuse
  99
  - Function
    99
  - Specifications
    99
  - Check Procedure
    99
- Bin Switch
  100
  - Function
    100
  - Specifications
    100
  - Check Procedure
    101
  - Ohm Test
    101
  - Water Curtain Removal Notes
    102
  - ICE/OFF/CLEAN Toggle Switch
    103
  - Function
    103
  - Specifications
    103
  - Check Procedure
    103
  - Ice Thickness Probe (Harvest Initiation)
    104
  - How the Probe Works
    104
  - Ice Thickness Check
    104
  - Ice Thickness Probe Diagnostics
    105
  - Diagnosing Ice Thickness Control Circuitry
    106
  - Water Level Control Circuitry
    109
  - Diagnosing an Ice Machine Head Section  that will Not Run
    116
  - Diagnosing a Condensing Unit  that will Not Run
    117
  - Compressor Electrical Diagnostics
    118
  - Diagnosing Start Components
    120
  - Electrical Diagrams
    121
  - Ice Machine Head Section
    121
  - Condensing Unit
    125
Refrigeration System

127
- Refrigeration System Diagnostics
  127
  - General
    127
  - Refrigeration System Operation
    127
- Ice Machine will Not Harvest Diagnostics
  131
  - Harvest Cycle Diagnostic List
    131
- Ice Production Check
  132
  - Installation/Visual Inspection Checklist
    133
  - Water System Checklist
    134
  - Ice Formation Pattern
    135
  - Evaporator Tubing Routing
    135
  - Safety Limits
    138
  - Analyzing Suction Pressure
    146
- Cool Vapor Valve
  150
  - Normal Operation
    150
  - Cool Vapor Valve Analysis
    151
  - Freeze Cycle Suction Line Temperature Analysis
    152
- Refrigeration Component Diagnostic Charts
  154
  - General
    154
  - Procedure
    154
  - Final Analysis
    154
  - Refrigeration Component Diagnostic Charts
    156
  - Single Expansion Valve - Q0600C/0800C/Q1000C/SU1000C
    156
  - Dual Expansion Valve - Q1400C/QDUAL
    159
  - And Diagnostics
    162
  - Headmaster Control Valve
    162
  - Water Regulating Valve
    172
  - Fan Cycle Control
    173
  - High Pressure Cutout (HPCO) Control
    174
  - Low Pressure Cutout (LPCO) Control
    175
  - Quietqube Tubing Schematics
    176
  - Q0600C/Q0800C/Q1000C
    176
  - Q1400C/Qdualc
    177
Cycle Times/24-Hour Ice Production/Refrigerant

178
Pressure Charts

179
Refrigerant Recovery/Evacuation

187
- System Contamination Cleanup
  190
  - General
    190
  - Determining Severity of Contamination
    190
  - Cleanup Procedure
    191
- Replacing Pressure Controls Without Removing Refrigerant Charge
  195
  - Filter-Driers
    197
  - Liquid Line Filter-Drier
    197
  - Suction Line Filter
    198
  - Total System Refrigerant Charge
    199
  - Refrigerant Oil
    200
  - Refrigerant Definitions
    201
  - Refrigerant Reuse Policy
    202

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