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 67
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
6. Harvest
Off On On Off Off On On
Bin switch
activation
Water Assist
Starts 3.5 minutes in
harvest cycle
Off ** On On On Off** On On
Until curtain switch
activation
7. Automatic
Shut-Off
Off Off Off Off Off Off Off
Until 10 min. delay
expires & all bin
switches re-close
* The condenser fan motor is controlled by a fan cycle control and may cycle on/off.
* The contactor is controlled by a low pressure control and may cycle on/off whenever power is supplied to the condensing unit.
** Water Pump On after 4 minutes - Dump Valve On after 6.5 minutes.