Service Manual
Table Of Contents
- Safety Notices
- Definitions
- General Information
- Installation
- Stacking Two Ice Machines on a Single Storage Bin
- Location of Ice Machine
- Clearance Requirements
- Dual Evaporator Model Installation on a Manitowoc Bin
- Ice Machine on a Dispenser Installation
- Water Supply and Drains
- Lineset Applications
- QuietQube® Remote Condensing Unit
- Additional Refrigerant Charge For 51' to 100' Line Sets
- Maintenance
- Operation
- Menu Navigation
- Component Check Procedures
- Control Board, Display And Touchscreen
- Operating an ice machine without a Touchscreen
- Control Board Relay Test
- Programming A Replacement Control Board
- USB Flash Drive Specifications and Formatting
- Exporting Data to a Flash Drive
- Upgrading Firmware with a Flash Drive
- Main Fuse
- Bin Switch
- Water Level Control Circuitry
- Ice Thickness Probe (Initiates Harvest)
- Bin Level Probe
- Thermistors
- High Pressure Cutout (HPCO) Control
- Low Pressure Cutout (LPCO) Control
- Compressor Time Delay
- Fan Cycle Control
- Harvest Assist Air Pump
- Compressor Electrical Diagnostics
- Diagnosing Start Components
- Refrigeration Components
- Recovery/Evacuation/Charging Procedures QuietQube® Models
- System Contamination Clean-Up
- Total System Refrigerant Charge QuietQube® CVD Models
- Control Board, Display And Touchscreen
- Charts
- Diagrams
Part Number: 000015431 Rev 02 6/20 205
Electronic Control Board Schematic
Number Description
2 iAuCS
3 Bin Switch
5 Compressor Contactor Coil Relay
22 Touchscreen
28 Fuse
31 High Pressure Cutout
33 Ice Thickness Probe
34 LED - Relays
34-1 LED - Display
34-2 LED - Micro
34-3 LED - Clean
34-4 LED - Harvest
34-5 LED - Ice Thickness Probe
34-6 LED - High Water Probe
34-7 LED - Low Water Probe
34-8 LED - Display Bypass Is Active
34-9 LED - Right Bin Switch
34-10 LED - Left Bin Switch
38 LuminIce
42 Relay Solenoid Valve - Harvest Left Hand
43 Relay Solenoid Valve - Harvest Right Hand
49-1 Thermistor T1 Liquid Line Temperature
49-2 Thermistor T2 - Discharge Line Temperature
49-3 Thermistor T3 - Evaporator Inlet Temperature Single
Evaporator models
Evaporator Outlet Temperature Dual Evaporator
Models
49-4 Thermistor T4 - Evaporator Outlet Temperature
49-5 Thermistor T5 - Bin Level Probe
49-6 Thermistor T6 - Potable water Temperature
49-7 Thermistor T7 - Ambient Air Temperature
55 Relay Water Dump Valve
56 Relay Water Inlet Valve
57 Water Level Probe
58 Relay Water Pump
70 RS232 Communication Port
71 RS485 Communication Port
72 12VDC Power Supply
73 USB Connector
74 Reverse Osmosis/Deionized Water Usage Jumper
75 Test/Display Bypass button