Manitowoc S1400N Manuals

Manuals and User Guides for Manitowoc S1400N. We have 1 Manitowoc S1400N manual available for free PDF download: Technician's Handbook

Manitowoc S1400N Technician's Handbook

Manitowoc S1400N Technician's Handbook (301 pages)

S Series

Brand: Manitowoc | Category: Ice Maker | Size: 9 MB

Table of Contents

Safety Notices
3
Procedural Notices
3
Table of Contents
5
General Information

9
- 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
- Procedure to Clean Heavily Scaled
  
  23
- Ice Machine Heat of Rejection
  
  23
  - S420/S450
    23
  - Remote Condenser Line Set Installation
    24
    
    Air Temperature Around the Condenser
    24
    
    Line Set Length
    25
    
    Line Set Rise/Drop
    25
  - Calculating Remote Condenser Installation Distances
    25
    
    Calculated Line Set Distance
    26
    
    Maximum Line Set Distance Formula
    27
    
    Lengthening or Reducing Line Set Lengths
    27
  - Connecting a Line Set
    28
  - Component Identification
    29
  - S Model Single Evaporator Models
    29
  - S Model Quad Evaporator Models
    30
  - Maintenance
    31
  - General
    31
    
    Cleaning/Sanitizing Procedure
    31
    
    Heavily Scaled Cleaning Procedure
    31
  - Cleaning / Sanitizing Procedure
    32
  - Cleaning Procedure
    32
  - Parts Removal for Cleaning/Sanitizing
    34
    
    Single Evaporator Ice Machines
    34
    
    Remove the Water Curtain
    34
    
    Remove the Ice Thickness Probe
    34
    
    Quad Evaporator Ice Machines
    35
    
    Remove the Water Trough Shield
    35
    
    Remove Splash Shields
    35
    
    Remove Ice Thickness Probe
    35
  - Procedure to Clean Heavily Scaled Ice Machines
    40
  - General
    40
  - Cleaning Procedure
    40
  - Parts Removal for Cleaning/Sanitizing
    43
    
    Ice Thickness Probe & Water Level Probe
    52
    
    Water Inlet Valve
    53
    
    Water Dump Valve
    54
    
    Drain Line Check Valve
    56
- Removal from Service/Winterization
  
  57
Sequence of Operation

59
- Self Contained Air or Water Cooled
  
  59
  - Energized Control Board Lights
    59
  - Refrigeration System Start-Up
    59
  - Single & Quad Evaporator Models
    59
    
    Freeze
    60
    
    Freeze Sequence
    60
    
    Prechill
    60
    
    Harvest Sequence
    61
    
    Water Purge
    61
    
    Automatic Shut-Off
    63
- Safety Timers
  
  64
- Safety Limits
  
  65
Troubleshooting

81
- 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
    
    Ice Machine Stops Running
    89
    
    Ice Machine Has a Long Freeze Cycle
    89
    
    Ice Machine Stops Running or Has a History of Shutting down
    90
  - Symptom #1 Ice Machine will Not Run
    90
  - Compressor Electrical Diagnostics
    92
    
    Check Resistance (Ohm) Values
    92
    
    Single Phase Compressors
    92
    
    Three Phase Compressors
    92
    
    Check Motor Windings to Ground
    93
    
    Compressor Drawing Locked Rotor
    93
    
    Compressor Drawing High Amps
    93
    
    Low Production, Long Freeze
    94
  - Freeze Cycle
    94
    
    Symptom #2 - Freeze Cycle Refrigeration System Operational Analysis Tables
    96
    
    S Models Single Expansion Valve
    97
    
    Before Beginning Service
    105
  - Freeze Cycle Refrigeration System Operational Analysis Table Procedures
    105
    
    Ice Production Check
    106
    
    Installation/Visual Inspection Checklist
    108
    
    Inadequate Clearances
    108
    
    Ice Machine Is Not Level
    108
    
    Condenser Is Dirty
    108
    
    Water System Checklist
    109
    
    Water Area (Evaporator) Is Dirty
    109
    
    Ice Formation Pattern
    110
    
    Normal Ice Formation
    110
    
    Extremely Thin at Evaporator Outlet
    111
    
    Extremely Thin at Evaporator Inlet
    111
    
    No Ice Formation
    111
    
    Analyzing Discharge Pressure in the Freeze Cycle
    112
    
    Freeze Cycle Discharge Pressure High Checklist
    113
    
    Improper Installation
    113
    
    Water Condenser
    113
    
    Freeze Cycle Discharge Pressurelow Checklist
    114
    
    Analyzing Suction Pressure
    115
    
    Suction Pressure High Checklist
    116
    
    Suction Pressure Low Checklist
    117
    
    Harvest Valve Analysis
    120
    
    Discharge Line Temperature Analysis
    122
    
    Procedure
    122
    
    Water Regulating Valve
    123
    
    Final Analysis
    124
    
    Harvest Valve Leaking
    124
    
    Low Charge/Txv Starving
    124
    
    Txv Flooding
    125
    
    Compressor
    125
  - Harvest Problems
    126
    
    Normal Ice Cube
    126
    
    Melted out Ice Cube
    126
  - Symptom #3 Ice will Not Harvest, Cubes Are Not Melted
    127
  - Symptom #3 - Traditional Remotes Only
    129
  - Will Not Harvest, Melted Cubes
    131
- Harvest Problems
  
  90
Component Check Procedures

135
- Electrical Components
  
  135
  - Main Fuse
    135
  - Ice/Off/Clean Toggle Switch
    136
  - Bin Switch
    137
    
    Bin Switch Fails Open
    138
    
    Bin Switch Fails Closed
    138
    
    Continuity Test
    138
    
    Water Curtain/Ice Damper Removal Notes
    139
  - Cleaning the Ice Thickness or Water Level Probe
    140
  - Water Level Control Circuitry
    141
    
    Freeze Cycle Water Level Setting
    141
    
    Water Inlet Valve Safety Shut-Off
    141
    
    Freeze Cycle Circuitry
    141
    
    Diagnosing Water Level Control Circuitry
    142
    
    Water Trough Overfilling Continued
    143
  - Ice Thickness Probe (Harvest Initiation)
    146
    
    Ice Probe Light
    146
    
    Freeze Time Lock-In Feature
    146
    
    Maximum Freeze Time
    147
    
    Ice Thickness Check
    147
    
    Ice Thickness Adjustment
    147
    
    Diagnosing Ice Thickness Control Circuitry
    148
    
    Ice Probe Light on
    148
    
    Ice Probe Light off
    148
    
    Harvest Cycle Circuitry
    150
  - Harvest Assist Air Pump
    151
- Compressor Electrical Diagnostics
  
  152
  - Diagnosing Start Components
    154
    
    Relay Operation Check
    155
    
    Ptcr
    156
    
    PTCR Operation Check
    157
- Refrigeration Components
  
  158
  - High Pressure Cutout (Hpco) Control
    158
  - Check Procedure
    158
  - Fan Cycle Control
    159
    
    Problem (Freeze Cycle)
    160
    
    Valve Not Maintaining Discharge Pressure
    160
  - Water Regulating Valve
    160
  - Harvest Pressure Regulating (HPR) System
    161
  - Remotes Only
    161
  - Head Pressure Control Valve
    164
  - Low Pressure Cutout (LPCO) Control
    167
  - Specifications
    167
  - Harvest Pressure Solenoid Valve
    168
  - Refrigerant Recovery/Evacuation
    169
  - Connections
    169
  - Normal Self-Contained Model Procedures
    169
    
    Self-Contained Recovery/Evacuation
    170
    
    Self-Contained Charging Procedures
    171
    
    Charging Connections
    171
  - Normal Remote Model Procedures
    173
    
    Remote Recovery/Evacuation
    174
    
    Remote Charging Procedures
    176
  - System Contamination Clean-Up
    178
  - Determining Severity of Contamination
    178
  - Contamination Cleanup Chart
    179
  - Cleanup Procedure
    180
    
    Mild System Contamination
    180
    
    Severe System Contamination
    181
  - Replacing Pressure Controls Without Removing Refrigerant Charge
    183
  - Using Pinch-Off Tool
    184
  - Specifications
    185
  - Main Fuse
    185
  - Fan Cycle Control
    185
  - High Pressure Cutout (HPCO) Control
    185
  - Cut-In (Close) Cut-Out (Open)
    185
  - (1723 Kpa ±.34) (1517 Kpa
    185
  - (17.23 Bar ±.34) (15.17 Bar
    185
  - 275 Psig ±5
    185
  - (1896 Kpa ±34) (1551 Kpa ±34)
    185
  - (18.96 Bar±.34) (15.51 Bar
    185
  - Filter-Driers
    186
  - Total System Refrigerant Charge
    187
Cycle Times/24-Hour Ice Production/Refrigerant Pressure Charts

191
- 24 Hour Ice Production
  192
- Cycle Times
  192
- Operating Pressures
  192
- S300 Series
  192
- Operating Pressures
  193
- 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 Self-Contained Air-Cooled
  242
- S1400 Series
  242
- All Self-Contained Air-Cooled
  253
- S1600 Series
  253
- S1800 Series
  256
- S3300 Series
  265
Wiring Diagrams

267
- Wiring Diagram Legend
  267
- Self Contained - 1 Phase
  268
- Wiring Diagrams before Energy Efficient
  268
- Energystar Machines
  268
  - Self Contained - 3 Phase
    271
  - Remote - 1 Phase
    272
- Wiring Diagrams for Energy Efficient & Energystar Machines
  279
- Electronic Control Board
  290
- Single and Twin Evaporator
  290
- Single and Twin Evaporator with Test Button
  291
- Quad Evaporator Ice Machines
  292
- Refrigeration Tubing Schematics
  293
- Self-Contained Air- or
  293
- Water -Cooled Models
  293
- Remote Models
  295

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