Manitowoc MD0420A Manuals

Manitowoc MD0420A Manuals

Manuals and User Guides for Manitowoc MD0420A. We have 1 Manitowoc MD0420A manual available for free PDF download: Technician's Handbook

Manitowoc MD0420A Technician's Handbook

Manitowoc MD0420A Technician's Handbook (132 pages)

M series

Brand: Manitowoc | Category: Ice Maker | Size: 1.36 MB

Table of Contents

Safety Notices
3
Table of Contents
9
General Information
13
- Model Numbers
  13
- How to Read a Model Number
  14
- Ice Machine Warranty Information
  15
  - Commercial Warranty Coverage
    15
  - Residential Warranty Coverage
    18
Installation
21
- Location of Ice Machine
  21
- Ice Machine Clearance Requirements
  22
- Clearance Requirements
  22
- Ice Machine Heat of Rejection
  23
- Leveling the Ice Machine
  23
- Electrical Requirements
  24
  - Water Service/Drains
    25
  - Water Supply
    25
  - Water Inlet Lines
    25
- Drain Connections
  26
- Cooling Tower Applications
  26
- Maintenance
  29
- Interior Cleaning and Sanitizing
  29
- General
  29
- Cleaning and Sanitizing Procedure
  29
- Toggle Switch Operation
  30
- Remove Parts for Cleaning
  34
- Preventative Maintenance Cleaning
  36
- Ice Machine Inspection
  37
- Cleaning the Condenser
  38
- Removal from Service/Winterization
  39
- Air-Cooled Models
  39
- Water-Cooled Models
  39
Ice Making Sequence of Operation
41
- Control Board Timers
  42
- Safety Limits
  43
- Energized Parts Chart
  45
Operational Checks
47
- Ice Thickness Check
  47
Troubleshooting
49
Control Board Test Mode
49
Diagnosing an Ice Machine that will Not Run
50
Ice Machine Does Not Cycle into Harvest When Water Loses Contact with the Harvest Float Switch
51
Ice Machine Cycles into Harvest before Water Loses Contact with the Harvest Float Switch
53
Ice Production Check
54
Installation/Visual Inspection Checklist
55
Water System Checklist
56
Ice Formation Pattern
57
Safety Limits
60
Analyzing Discharge Pressure
67
Analyzing Suction Pressure
69
Harvest Valve
73
Comparing Evaporator Inlet/Outlet Temperatures
77
Discharge Line Temperature Analysis
78
Refrigeration Component Diagnostics
80
Final Analysis
82
Refrigeration Component Diagnostic Chart
83
Component Check Procedures
87
- Main Fuse
  87
- Bin Switch
  88
- Float Switch
  90
- Compressor Electrical Diagnostics
  92
- Fan Cycle Control
  94
- High Pressure Cutout (HPCO) Control
  95
- Refrigeration Components
  96
- Refrigerant Recovery/Evacuation
  104
  - Definitions
    104
  - Refrigerant Re-Use Policy
    105
  - Recovery and Recharging Procedures
    107
  - System Contamination Cleanup
    110
  - Determining Severity of Contamination
    110
  - Mild System Contamination Cleanup Procedure
    112
  - Severe System Contamination Cleanup Procedure
    113
- Replacing Pressure Controls Without Removing Refrigerant Charge
  114
- Refrigerant Amount
  116
- Cycle Times, 24 Hr. Ice Production and Refrigerant Pressure Charts
  117
- M0420A Self-Contained Air-Cooled
  118
- M0500A Self-Contained Air-Cooled
  119
- M0500W Self-Contained Water-Cooled
  120
- M0700A Self-Contained Air-Cooled
  121
- M0700W Self-Contained Water-Cooled
  122
- M1000A Self-Contained Air-Cooled
  123
- M1000W Self-Contained Water-Cooled
  124
- M1400A Self-Contained Air-Cooled
  125
Wiring Diagrams
127
Refrigeration Tubing Schematics
130
- Self-Contained Air or Water-Cooled
  130

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