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 6/20 157
FAN CYCLE CONTROL
FUNCTION
Cycles the fan motor on and off to maintain proper
operating discharge pressure.
The fan cycle control closes on an increase, and opens on a
decrease in discharge pressure.
SPECIFICATIONS
Specifications
Model Cut-In (Close) Cut-Out (Open)
CVDF0600 CVDF0900
CVDF1400 CVDF1800
CVDF2100
250 psig ±5
(1723 kPa ±34)
(17.23 bar ±.34)
200 ±5
(1517 kPa ±34)
(15.17 bar ±.34)
CVDT1200
335 psig ±5
2310 kPa ±34
(23.10 bar ±.34)
275 psig ±5
1896 kPa ±34
(18.96 bar ±.34)
CHECK PROCEDURE
1. Verify fan motor windings are not open or grounded,
and fan spins freely.
2. Connect manifold gauges to ice machine.
3. Hook voltmeter in parallel across the fan cycle control,
leaving wires attached.
4. Refer to chart below.
FCC Setpoint: Reading
Should Be:
Fan
Should Be:
Above Cut-In 0 Volts Running
Below Cut-Out Line Voltage Off