Manitowoc S0850M

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Section 6 Electrical System

Part Number 80-1558-3 6-27

S0850M - SELF CONTAINED -

1 PHASE WITH TERMINAL BOARD

SV2071

Main Page

Default Chapter2
- Safety Notices2
- Table of Contents3
Section 17
General Information7
Model Numbers7
How to Read a Model Number7
Ice Cube Sizes7
Accessories8
- Bin Caster8
- Ice Bagger8
- Guardian Sachet Packets8
- Arctic Pure Water Filter System8
- Manitowoc Cleaner and Sanitizer8
- Aucs® Automatic Cleaning System8
- Dispenser8
Model/Serial Number Location9
Owner Warranty Registration Card10
- General10
Warranty Coverage10
- Parts10
- Labor10
- Exclusions10
- Authorized Warranty Service10
Section 211
Installation Instructions11
General11
Ice Machine Dimensions11
- S0850M Ice Machines11
Location of Ice Machine12
Ice Machine Heat of Rejection12
Electrical Service13
- General13
- Voltage13
- Fuse/Circuit Breaker13
- Minimum Circuit Ampacity13
- Electrical Requirements13
Self-Contained Electrical Wiring Connections14
- Self Contained Ice Machine 115/1/60 or 208-230/1/6014
- Self Contained Ice Machine 208-230/3/6014
- Self Contained Ice Machine 230/1/5014
For United Kingdom Only14
Water Supply and Drain Requirements15
- Water Supply15
- Water Inlet Lines15
- Drain Connections15
Cooling Tower Applications (Water-Cooled Models)15
- Water Supply and Drain Line Sizing/Connections16
Installation Check List17
Before Starting the Ice Machine18
Ice Machine Operation19
Section 319
Component Identification19
Sequence of Operation20
- Initial Start-Up or Start-Up after Automatic Shut-Off20
- Freeze Sequence20
- Harvest Sequence21
- Automatic Shut-Off21
- Safety Timers21
- Warm Water Rinse Cycle21
Operational Checks22
- General22
- Water Level22
- Ice Thickness Check22
- Harvest Sequence Water Purge23
Section 425
Maintenance25
General25
Ice Machine Inspection25
Exterior Cleaning25
Water-Cooled Condenser and Water Regulating Valve25
Alphasan25
Guardian26
- Guardian Sachet Replacement Frequency26
- Sachet Replacement Procedure26
- Clean up Procedure for Damaged Sachet Packet26
Interior Cleaning and Sanitizing27
- General27
- Cleaning Procedure27
- Sanitizing Procedure28
- Removal of Parts for Cleaning/Sanitizing29
Removing the Front Panels35
Removal from Service/Winterization36
- General36
- Self-Contained Air-Cooled Ice Machines36
- Water-Cooled Ice Machines36
- Aucs Accessory36
Section 537
Before Calling for Service37
Checklist37
Safety Limit Feature38
Section 639
Electrical System39
Energized Parts Charts39
- Self-Contained Water-Cooled Models39
Wiring Diagram Sequence of Operation40
- Self-Contained Models40
Wiring Diagrams47
- Wiring Diagram Legend47
- S0850M - Self Contained - 1 Phase48
- S0850M - Self Contained - 3 Phase49
Component Specifications and Diagnostics50
- Main Fuse50
- Bin Switch50
- Compressor Electrical Diagnostics52
- PTCR Diagnostics53
- Diagnosing Start Components56
- ICE/OFF/CLEAN Toggle Switch56
- Electronic Control Board57
Ice Thickness Probe (Harvest Initiation)59
- How the Probe Works59
- Harvest Light59
- Freeze Time Lock-In Feature59
- Maximum Freeze Time59
- Ice Thickness Check59
- Diagnosing Ice Thickness Control Circuitry60
Water Level Control Circuitry61
- Water Level Probe Light61
- Water Inlet Valve Safety Shut-Off61
- Freeze Cycle Circuitry61
- Harvest Cycle Circuitry61
- Diagnosing Water Level Control Circuitry62
Diagnosing an Ice Machine that will Not Run64
Section 767
Refrigeration System67
Sequence of Operation67
- Self-Contained Water -Cooled Models67
Operational Analysis (Diagnostics)69
- General69
- Before Beginning Service70
- Ice Production Check70
- Installation/Visual Inspection Checklist71
- Water System Checklist71
- Ice Formation Pattern72
- Safety Limits74
- Analyzing Discharge Pressure During Freeze or Harvest Cycle77
- Analyzing Suction Pressure During Freeze Cycle78
- Single Expansion Valve Ice Machines - Comparing Evaporator Inlet and Outlet Temperatures80
- Harvest Valve Temperature Check81
- How to Use the Refrigeration System Operational Analysis Tables82
- Refrigeration System Operational Analysis Tables83
Pressure Control Specifications and Diagnostics84
- High Pressure Cut-Out (HPCO) Control84
Cycle Time/24 Hour Ice Production/Refrigerant Pressure Charts85
Refrigerant Recovery/Evacuation and Recharging86
- Normal Self-Contained Model Procedures86
- System Contamination Clean-Up89
- Replacing Pressure Controls Without Removing Refrigerant Charge91
- Filter-Driers93
- Total System Refrigerant Charges93
- Refrigerant Definitions94
- Refrigerant Re-Use Policy95
- HFC Refrigerant Questions and Answers96

Manitowoc S0850M - Page 65

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