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
66 Part Number: 000015431 Rev 02 6/20
Single & Twin Evaporator QuietQube® Models
Energized Parts Chart
Ice Making
Sequence of
Operation
Water
Pump
Harvest
Valve(s)
Air
Pumps
Water Inlet
Valve
Water
Dump
Valve
Liquid Line
Solenoid
Valve
Contactor
Refrigeration
Compressor &
Condenser Fan
Motor*
Length of
Time
Freeze Sequence
Off Off Off
May cycle
On/Off
Off On On
Initial Start-Up is
120 Seconds
30 Seconds thereafter
3. Pre chill
4. Freeze
On Off Off
Cycles Off
then On/Off,
two more
times
Off On On
Until Ice contact with
ice thickness probe
Harvest Sequence
On On On Off On On On
Factory-set at
45 Seconds
5. Water Purge