Scotsman CU0415 Service Manual

Scotsman CU0415 Service Manual

Cube ice machine with storage
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Service Manual
for
Cube Ice Machine with storage
models CU0415, CU0715 and CU0920

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Summary of Contents for Scotsman CU0415

  • Page 1 Service Manual Cube Ice Machine with storage models CU0415, CU0715 and CU0920...
  • Page 2: Table Of Contents

    Controller Use ..... . .18 Cabinet Layout, CU0415 and CU0715 ..4 Anti-Slush ......19 Cabinet Layout, CU0920 .
  • Page 3: Important Details

    Service Manual for Models CU0415, CU0715 and CU0920 Important Details Warranty: The machine is designed for use indoors in a controlled environment. It must be kept dry, not The warranty statement for this product is provided overheated or subjected to excessive cold. The water separately from this manual.
  • Page 4: Pre-Installation

    Service Manual for Models CU0415, CU0715 and CU0920 Pre-Installation Spacing: No additional spacing is required at the top or sides. This appliance is intended to be used in commercial However, suggested minimum side clearance for applications including: installation is 1/8 inch or 3 mm and suggested • Restaurant kitchens minimum top clearance is 1/4 inch or 7 mm.
  • Page 5: Cabinet Layout, Cu0415 And Cu0715

    Service Manual for Models CU0415, CU0715 and CU0920 Cabinet Layout, CU0415 and CU0715 POWER CORD POTABLE WATER INLET 1/4" OD. PLASTIC TUBING (5ft) DRAIN 3/4" FPT 14.6cm 5.8in 5.1cm 2.0in 8.2cm 3.2in 34.5cm 13.6in 60.3cm 23.7in POWER CORD POTABLE WATER INLET 1/4"...
  • Page 6: Cabinet Layout, Cu0920

    Service Manual for Models CU0415, CU0715 and CU0920 Cabinet Layout, CU0920 POWER CORD POTABLE WATER INLET 1/4" OD. PLASTIC TUBING (5ft) DRAIN 3/4" FPT 14.6cm 5.75in 2.75in 5.1cm 2.00in 8.2cm 3.23in 32cm 12.60in POWER CORD 60.1cm 23.67in POTABLE WATER INLET 1/4"...
  • Page 7: Component Location

    Service Manual for Models CU0415, CU0715 and CU0920 Component Location Cube Deflector Curtain Thermostat Sensing Point Thermostat Condenser Fins Drain Plug Bin Thermostat Adjustment Controller Control Area Condenser Fan August 2013 Page 6...
  • Page 8: Connect The Water Supply

    Service Manual for Models CU0415, CU0715 and CU0920 Connect the water supply Connection Information: WARNING: connect to potable water supply only. Plumbing information: Important: Open the hand water valve to flush • The water supply connection is at the back panel. It water through the connection point before is a 5’...
  • Page 9: Connect The Power

    Service Manual for Models CU0415, CU0715 and CU0920 Connect the power This is a cord-connected unit, and must be connected to its own dedicated power supply. Check the dataplate on the back of the machine to confirm the voltage and per the dataplate use fuses or HACR circuit breakers.
  • Page 10: Control Panel And Adjustments

    Service Manual for Models CU0415, CU0715 and CU0920 Control Panel and Adjustments Ice Bridge Thickness Adjustment Area ON / OFF / WASH Ice Bridge Thickness Adjustment MARCHE / ARRÊT / LAVAGE Réglage de l'épaisseur du pont de glace ENCENDIDO / APAGADO / LAVADO...
  • Page 11: Initial Start Up

    Service Manual for Models CU0415, CU0715 and CU0920 Initial Start Up 9. Within a minute or so the ice formed in the mold will fall down and slide into the ice storage bin. 1. Remove the front panel by removing the two...
  • Page 12: Use And Operational Notes

    Service Manual for Models CU0415, CU0715 and CU0920 Use and Operational Notes To use, simply lift the door by its bottom edge and No Step slide it up and into the top of the machine. Use the Do not stand on the machine.
  • Page 13: Maintenance

    Service Manual for Models CU0415, CU0715 and CU0920 Maintenance 6. Mix a solution of 5 oz or 150 cc of Scotsman Clear 1 Scale Remover and 2.5 quarts or 2.4 liters of Regularly vacuum the right side of the air cooled...
  • Page 14 Service Manual for Models CU0415, CU0715 and CU0920 7. Drain the reservoir into the storage bin by removing the drain plug. Return the drain plug to its normal position. 8. Wash all interior surfaces of the ice machine storage bin, reservoir surface and inside of the door with the remaining sanitizer solution.
  • Page 15: Electrical Sequence

    Service Manual for Models CU0415, CU0715 and CU0920 Electrical Sequence Proper voltage must be supplied and the bin thermostat closed and calling for ice or the control system will not have power. Initial power up: Moving the master switch from OFF...
  • Page 16: Components

    Refrigerant Charge: 8 ounces, all models. No access valves. Fan motor: Unit motor, CU0415 and CU0715 are 2.3 watts; CU0920 is 6 watt. Fan motor may cycle during freeze, should be off during harvest as the discharge pressure will be below 100 PSIG.
  • Page 17: Performance

    Service Manual for Models CU0415, CU0715 and CU0920 Performance CU0415 Compressor amp draw, 115 volt • Freeze, 5 minutes in: 1.8 to 1.9 • Overall Freeze cycle amps, begin at 1.9 decline to 1.7. • Harvest: 1.9 - 1.8 Compressor dome is normally warm.
  • Page 18: Thermistor Values

    Service Manual for Models CU0415, CU0715 and CU0920 Thermistor Values Deg. F Ohms Deg. F Ohms Deg. F Ohms Deg. F Ohms Deg. F Ohms 85325 18873 5325 1819 82661 18381 5208 1785 80090 17903 5093 1752 77607 17439 4981...
  • Page 19: Controller Use

    Service Manual for Models CU0415, CU0715 and CU0920 Controller Use When in a Freeze cycle or mode, a blue light will glow. The upper line of LED lights are indictions of the adjustment for Bridge Thickness. More lights = more freeze time and a bigger bridge.
  • Page 20: Anti-Slush

    Service Manual for Models CU0415, CU0715 and CU0920 Anti-Slush Slush in the reservoir restricts pump flow, causes excessively long freeze cycles and is something this machine is designed to prevent. It does that by shutting off the water spray to the evaporator at a critical time. The critical time is when the water temperature is near the freezing point.
  • Page 21 Service Manual for Models CU0415, CU0715 and CU0920 Controller Self Test 12. Press and hold lower left - button and it will turn on each of the green LEDs, one at a time. Hold Control Board Self-Test Routine. Begin with unit lower left –...
  • Page 22: Service Diagnosis

    Service Manual for Models CU0415, CU0715 and CU0920 Service Diagnosis Problem Possible Cause Probable Correction No ice No water to ice machine Check water filters, check water pressure. Pressure lower than 10 psi flowing may not fill reservoir enough. No ice, nothing operating No power to ice machine Check power, restore if needed. Open contacts in bin thermostat Check cabinet temperature, thermostat will be open if cabinet is too cold.
  • Page 23: Service Diagnosis

    Service Manual for Models CU0415, CU0715 and CU0920 Service Diagnosis Problem Possible Cause Probable Correction No ice, fan motor not turning No power to it Check controller Freeze NO terminal to COM for proper voltage. If blue freeze light is on and no voltage, replace controller...
  • Page 24: Service Diagnosis

    Service Manual for Models CU0415, CU0715 and CU0920 Service Diagnosis Problem Possible Cause Probable Correction Makes ice but makes blocks or shells Ice bridge wrong size Adjust to proper size Evaporator thermistor out of Check thermistor resistance to chart, calibration, adjustment erratic...
  • Page 25: Removal And Replacement

    Service Manual for Models CU0415, CU0715 and CU0920 Removal and Replacement Curtain Top Edge Curtain 1. Remove front panel and switch unit Off. 2. Remove top panel. 3. Remove evaporator cover. 4. Locate white curtain top at front of evaporator, pull up on it and remove from the unit.
  • Page 26: Removal And Replacement

    Service Manual for Models CU0415, CU0715 and CU0920 Removal and Replacement Pump Wall Panel 1. Disconnect electrical power. 2. Remove top panel. 3. Remove wall panel covering pump. 4. Disconnect wires from pump motor. 5. Remove cube deflector and pull hose off water pump outlet. 6. Rotate pump slightly CW and lift pump up and out of the ice machine.
  • Page 27: Removal And Replacement

    Service Manual for Models CU0415, CU0715 and CU0920 Removal and Replacement 3. Remove front panel. 4. Remove top panel. Bin Thermostat 5. Remove right side panel. 1. Disconnect electrical power. 6. Remove back panel. 7. Shut water off to unit.
  • Page 28: Controller

    Service Manual for Models CU0415, CU0715 and CU0920 Controller The controller ships set for CU0715 and must be adjusted for other models. Please review these instructions prior to installation. 1. Disconnect electrical power. 2. Remove front panel. 3. Remove control box back cover 4.
  • Page 29: Cabinet Removal For Service

    Service Manual for Models CU0415, CU0715 and CU0920 Cabinet Removal for Service 1. Remove front panel. 2. Remove top panel. Remove 3. Remove door. 4. Drain water from reservoir. 5. Disconnect water and drain and electrical power. 6. Remove back and side panels.
  • Page 30: 115/60/1 Wiring Diagram

    Service Manual for Models CU0415, CU0715 and CU0920 115/60/1 Wiring Diagram August 2013 Page 29...
  • Page 31 SCOTSMAN ICE SYSTEMS 775 Corporate Woods Parkway Vernon Hills, IL 60061 847-215-4500 800-726-8762 www.scotsman-ice.com...

This manual is also suitable for:

Cu0715Cu0920

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