Service Manual
Table Of Contents
- General Information
- Installation
- Component Identification
- Maintenance
- Sequence of Operation
- Troubleshooting- Safety Limits
- Control Board Testing
- Troubleshooting By Symptom- Symptom #4
- Symptom #1 Ice Machine will not run
- Diagnosing an Ice Machine that Will Not Run
- Compressor Electrical Diagnostics
- Symptom #2 Low Production, Long Freeze
- Symptom #2 - Freeze Cycle Refrigeration System Operational Analysis Tables
- Freeze Cycle Refrigeration System Operational Analysis Table Procedures- Before Beginning Service
- Ice Production Check
- Installation/Visual Inspection Checklist
- Water System Checklist
- Ice Formation Pattern
- Analyzing Discharge Pressure in the Freeze Cycle
- Analyzing Suction Pressure
- Single Expansion Valve Ice Machines Comparing Evaporator Inlet and Outlet Temperatures
- Multiple Expansion Valve Ice Machines Comparing Evaporator Inlet and Outlet Temperatures
- Harvest Valve Analysis
- Discharge Line Temperature Analysis
- Water Regulating Valve
- Final Analysis
 
 
- Harvest Problems
 
- Component Check Procedures- Electrical Components
- Compressor Electrical Diagnostics
- Refrigeration Components
- Refrigerant Recovery/Evacuation
- System Contamination Clean-Up
 
- Specifications
- Charts
- Diagrams- Wiring Diagrams- Wiring Diagram Legend
- Wiring Diagrams Before Energy Efficient & EnergyStar Machines- S320 Self Contained - 1 Phase
- S300/S420/S450/ S500 (after serial number 110074051) - Self Contained - 1 Phase
- S500 (before serial number 110074051) S600/S850/S1000/S1200- Self Contained- 1 Phase
- S850/S1000/S1200 - Self Contained - 3 Phase
- S500 Danfoss Compressor (after serial number 110074051) - Remote - 1 Phase
- S500 (before serial number 110074051)/ S600/S850/S1000/S1200 - Remote - 1 Phase
- S850/S1000/S1200 - Remote - 3 Phase
- S1400/S1600/S1800 - Self-Contained - 1 Phase
- S1400/S1600/S1800 - Self-Contained - 3 Phase
- S1400/S1600/S1800 - Remote - 1 Phase
- S1400/S1600/S1800 - Remote - 3 Phase
 
- Wiring Diagrams for Energy Efficient & EnergyStar Machines- S300/S420/S450/S500 Self-Contained - 1 Phase
- S600/S850/S1000/S1200 Self-Contained - 1 Phase
- S850/S1000/S1200 Self-Contained - 3 Phase
- S1400/S1800 Self-Contained - 1 Phase
- S1400/S1800 Self-Contained - 3 Phase
- S3300 Water-Cooled - 3 phase
- S500 Remote - 1 Phase
- S600/S850/S1000/S1200 Remote - 1 Phase
- S850/S1000/S1200 Remote - 3 Phase
- S1400/S1800 Remote - 1 Phase
- S1400/S1800 Remote - 3 Phase
- ST3000W
- Self-Contained - 3 Phase
- S3300W
- S3300WM Marine Self-Contained - 3 Phase
 
 
- Electronic Control Board
- Refrigeration Tubing Schematics
 
- Wiring Diagrams
168 Part Number 8014793 6/18
Contamination Cleanup Chart
Symptoms/Findings
Required Cleanup 
Procedure
No symptoms or suspicion of 
contamination
Normal 
evacuation/recharging 
procedure
Moisture/Air Contamination 
symptoms
Refrigeration system open to 
atmosphere for longer than 
15 minutes
Refrigeration test kit and/or 
acid oil test shows 
contamination
Leak in water cooled 
condenser
No burnout deposits in open 
compressor lines
Mild contamination 
cleanup procedure
Mild Compressor Burnout 
symptoms
Oil appears clean but smells 
acrid
Refrigeration test kit or acid 
oil test shows harmful acid 
content
No burnout deposits in open 
compressor lines
Mild contamination 
cleanup procedure
Severe Compressor Burnout 
symptoms
Oil is discolored, acidic, and 
smells acrid
Burnout deposits found in the 
compressor, lines, and other 
components
Severe contamination 
cleanup procedure










