Welbilt Manitowoc NEO UDE0065A

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Part Number 000014797 Rev02 05/19

Undercounter Ice Machines

Technician’s Handbook

This manual is updated as new information and models are

released. Visit our website for the latest manual.

www.manitowocice.com

Main Page

Table of Contents9
General Information17
Model Numbers17
How to Read a Model Number19
Model/Serial Number Location19
Warranty20
Warranty Registration20
Installation21
Location of Ice Machine21
Ice Machine Clearance Requirements22
Ice Machine Heat of Rejection22
Leveling the Ice Machine23
Electrical Requirements24
Electrical Specifications24
Water Service/Drains26
Water Supply26
Cooling Tower Applications27
Maintenance29
U0140, Uf0140, U0190, Uf0190, U024029
Uf0240, U0310, Uf031029
Remedial Cleaning39
Cleaning the Condenser41
Removal from Service/Winterization42
Bin Removal43
Detailed Descaling and Sanitizing Procedure44
Ude006544
Cleaning the Condenser50
Removal from Service/Winterization51
Detailed Descaling and Sanitizing Procedure52
Ude008052
Cleaning the Condenser63
Removal from Service/Winterization64
Sequence of Operation U0140/UF0140/U0190/ UF0190/UF0240/U0240/U0310/UF031065
Touch Pad Features65
Ice Making Sequence of Operation68
Control Board Revisions68
Software Revisions68
Sequence of Operation69
Control Board Timers71
Safety Limits72
Operational Checks76
Ice Thickness Check76
Ice Thickness Adjustment76
Minimum/Maximum Slab Weight77
Sequence of Operation UDE006578
UDE0065 Energized Parts Chart80
Ice Thickness Adjustment81
Sequence of Operation UDE008082
UDE0080 Energized Parts Chart84
Operational Checks UDE008086
Siphon System86
Water Level86
Water Level Check87
Ice Thickness Check88
Troubleshooting89
Troubleshooting U0140/UF0140/U019089
Uf0190/U0240/Uf0240/U0310/Uf031089
Problem Checklist89
Control Board Test Mode92
Operating Ice Machine with bin and Touch Pad92
Removed92
Diagnosing an Ice Machine that will Not Run93
Ice Machine Does Not Cycle into Harvest When the Harvest Float Is Down/Closed94
Ice Machine Cycles into Harvest before the Harvest Float Is Down/Closed96
Ice Production Check98
Installation/Visual Inspection Checklist100
Water System Checklist101
Ice Formation Pattern102
Safety Limit Feature104
Analyzing Discharge Pressure111
Analyzing Suction Pressure113
Harvest Valve117
Comparing Evaporator Inlet/Outlet121
Temperatures121
Discharge Line Temperature Analysis122
Refrigeration Component Diagnostics124
Refrigeration Analysis Chart126
Troubleshooting UDE0065130
Diagnosing an Ice Machine that will Not Run130
Refrigeration Diagnostics Overview UDE0065131
Ice Production Check134
Installation/Visual Inspection Checklist136
Water System Checklist137
UDE0065 Refrigeration Diagnostics138
Flooding Expansion Valve Symptoms139
Starving Expansion Valve/Low Refrigerant139
Charge Symptoms139
Overcharged System Symptoms139
Analyzing Ice Formation Pattern140
Analyzing Discharge Line Temperature142
Analyzing Suction Line Temperature144
Comparing Evaporator Inlet/Outlet147
Temperatures147
Discharge Line Temperature Analysis148
Harvest Valve150
Troubleshooting UDE0080154
Diagnosing an Ice Machine that will Not Run154
Safety Limit Feature155
Diagnosing Ice Thickness Control Circuitry160
Ice Production Check162
Installation/Visual Inspection Checklist164
Water System Checklist165
UDE0080 Refrigeration Diagnostics166
Flooding Expansion Valve Symptoms167
Starving Expansion Valve/Low Refrigerant167
Charge Symptoms167
Overcharged System Symptoms167
Analyzing Ice Formation Pattern168
Analyzing Discharge Line Temperature170
Analyzing Suction Line Temperature172
Comparing Evaporator Inlet/Outlet175
Temperatures175
Discharge Line Temperature Analysis176
Harvest Valve178
Component Check Procedures183
Main Fuse183
Bin Switch184
Ude0080/U0140/Uf0140/U0190/Uf0190184
U0240/Uf0240/U0310/Uf0310184
Uf0240/U0310/Uf0310184
Float Switch188
U0140/Uf0140/U0190/Uf0190/Uf0240188
U0240/U0310/Uf0310188
Water Trough Thermistor190
Uf0240/U0310/Uf0310190
Bin Thermostat192
Ude0065192
Liquid Line Thermistor193
Ude0065193
ON/OFF/WASH Toggle Switch195
Ude0065/Ude0080195
Compressor Electrical Diagnostics196
Fan Cycle Control198
U0240/Uf0240/U0310/Uf0310198
High Pressure Cutout (HPCO) Control199
Ude0080 U0140/Uf0140/U0190/Uf0190199
U0240/Uf0240/U0310/Uf0310199
Filter-Driers200
Refrigerant Recovery/Evacuation201
Definitions201
Refrigerant Re-Use Policy202
Recovery and Recharging Procedures204
Uf0240/U0310/Uf0310204
Recovery and Recharging Procedures207
Ude0065/Ude0080207
System Contamination Cleanup210
Determining Severity of Contamination210
Mild System Contamination Cleanup212
Procedure212
Severe System Contamination Cleanup213
Procedure213
Replacing Pressure Controls Without214
Removing Refrigerant Charge214
Total System Refrigerant Charge215
Cycle Times, 24 Hr. Ice Production and Refrigerant Pressure Charts216
UDE0065 Operating Temperatures217
UDE0080 Self-Contained Air-Cooled219
UDE0080 Operating Temperatures220
U0140/UF0140 Self-Contained Air-Cooled221
U0140/UF0140 Self-Contained Water-Cooled222
U0190/UF0190 Self-Contained Air-Cooled223
U0240/UF0240 Self-Contained Air-Cooled224
U0240/UF0240 Self-Contained Water-Cooled225
U0310/UF0310 Self-Contained Air-Cooled226
U0310/UF0310 Self-Contained Water-Cooled227
Wiring Diagrams229
UDE0065 Wiring Diagram230
UDE0080 Wiring Diagram232
U0140/U0190/U0240 Wiring Diagram234
With J4 Thermistor Terminal - 1Ph Air/Water234
U0140/U0190/U0240 Wiring Diagram236
Prior to Thermistor Terminal - 1PH Air/Water236
U0310 Wiring Diagram with J4 Thermistor Terminal - 1Ph Air/Water238
U0310 Wiring Diagram Prior to Thermistor Terminal - 1PH Air/Water240
Electronic Control Boards242
Electronic Control Board UF Models242
Electronic Control Board U Models with J4244
Thermistor Terminal244
Electronic Control Board U Models Prior to246
Thermistor Terminal246
Electronic Control Board UDE0065248
Electronic Control Board UDE0080250
Tubing Schematics252
Tubing Schematic - UDE0065252
Tubing Schematic - UDE0080/U0140/UF0140253

Brand	Welbilt
Model	Manitowoc NEO UDE0065A
Category	Ice Maker
Language	English

Welbilt Manitowoc NEO UDE0065A - User Manual

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