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
192 Part Number 8014793 6/18
S450W
All Self-Contained Water-cooled Models Before Serial
Number 110670157
Characteristics vary depending on operating conditions.
CYCLE TIMES
24 HOUR ICE PRODUCTION
CONDENSER WATER CONSUMPTION
OPERATING PRESSURES
Air Temp.
Around Ice
Machine
°F/°C
Freeze Time
Harvest
Time
1
1 Times in minutes
Water Temperature °F/°C
50/10 70/21 90/32
70/21 12.7-13.5 11.2-15.2 12.7-13.5
1-2.5
80/27 13.1-14.0 14.6-15.5 12.9-17.7
90/32 13.3-14.2 11.7-15.8 13.1-18.1
110/43 14.0-15.0 15.4-16.4 17.7-18.8
Air Temp. Around Ice
Machine °F/°C
Water Temperature °F/°C
1
1 Based on average ice slab weight of 3.40-3.60 lb.
50/10 70/21 90/32
70/21 345 310 275
80/27 335 305 270
90/32 330 300 265
110/43 315 290 255
Air Temp. Around Ice
Machine 90°F/32°C
Water Temperature °F/°C
1
1 Water regulating valve set to maintain 240 PSIG discharge pressure
50/10 70/21 90/32
Gal/100 lbs. of Ice NA 200 NA
Air Temp.
Around Ice
Machine
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
1
1 Suction pressure drops gradually throughout the freeze cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10
235-240 48-29 150-185 70-95
70/21 235-265 52-30 160-190 85-100
80/27 235-265 56-30 170-190 90-110
90/32 235-270 62-31 170-195 95-115
100/38 235-275 65-31 170-200 100-120
110/43 240-280 65-32 170-205 100-120