Scotsman Ice Comprehensive Guide to Maker Troubleshooting and Repair
Page 27

CU50

Service Manual

Removal and Repair

Evaporator Thermistor

5.

Remove screws holding transformer to controller

 

 

 

 

 

 

 

box and pull transformer up and out of the ice

Note: If unit is built in it must be pulled out to

 

machine.

 

 

 

change the evaporator thermistor.

6.

Reverse to reassemble.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note: If unit is built in it must be pulled out to

 

 

 

 

 

 

 

 

 

 

 

Electrical Shock

 

 

change the controller.

 

 

 

 

Hazard.

 

 

 

 

 

 

 

 

 

 

 

 

 

Disconnect electrical

 

1.

Disconnect electrical power.

 

 

 

 

power before

 

 

 

 

 

 

 

 

 

 

 

 

 

beginning removal

 

 

 

 

 

 

 

 

 

 

2.

Remove top panel

 

 

 

 

 

 

1.

Shut machine off. If unit was making ice,

 

 

 

manually harvest the ice.

3.

Remove controller box cover.

2.

Disconnect electrical power.

4.

Unplug all connections.

3.

Remove top panel.

5.

Remove screws holding controller to housing,

 

 

 

 

 

 

 

and lift controller from unit.

4.

Remove cover from controller box.

 

 

 

5.

Disconnect thermistor wire from controller.

 

Note: To avoid damaging the controller, touch the

 

metal chassis of the unit prior to touching the

 

 

 

 

 

 

 

6.

Locate thermistor sensor, it is attached to the

 

replacement controller.

 

 

 

 

 

 

suction line, just above the accumulator and is

6.

Reverse to reassemble.

covered with insulation tape. Remove the

 

 

 

insulation.

 

Control Panel

 

 

 

 

 

 

 

7.

Disconnect sensor bulb from suction line (it's

1.

Disconnect electrical power.

held on with a metal clip).

 

 

 

8.

Remove thermistor from ice machine.

2.

Remove top panel

 

 

 

9.

Reverse to reassemble. It is very important that

3.

Remove controller box cover.

 

 

 

the bulb be re-insulated.

4.

Unplug ribbon cable connection.

 

 

 

 

 

 

Transformer

5.

Push control panel away from the front of the

 

 

 

 

 

 

 

 

 

 

 

 

 

machine. Begin at the ribbon cable attachment

Note: If unit is built in it must be pulled out to

 

 

point.

change the transformer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note: Control panel is held on by adhesive and the

1.

Disconnect electrical power.

 

 

adhesive is thinnest at the cable point.

 

 

 

 

 

 

 

2.

Remove top panel.

 

 

 

6.

Separate control panel from controller box and

 

 

 

 

 

 

3.

Remove controller cover.

 

remove from the ice machine.

 

 

 

4.

Unplug leads from transformer.

7.

Reverse to reassemble.

 

 

 

March 2010

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Image 27
Page 26 Page 28
Contents Introduction Table of ContentsSpecifications Cabinet Layout PowercordAir flow Installation Overview Water QualityFilters and Treatment Door swing change Installation Notes Drain Pump Model drain installation Installation Water & DrainGravity Drain Installation check list ElectricalInitial Start Up Cube Size Change Table Cube Size AdjustmentHarvest Time Table Harvest Time AdjustmentControl Settings Automatic water purge enable / disableReset time to clean indicator light Use Condenser cleaning How to clean the condenser and winterizeHow to remove scale from the ice making system Bin control System InformationElectrical Sequence Electrical ComponentsWater System Components Maximum Harvest Time minutes ControllerPerformance Information Refrigeration System TimeDischarge Pressure Deg. F · Ohms Deg. F. · Ohms Thermistor ValuesProblem Likely Cause Probable Solution Service DiagnosisMakes excessive noise Removal and Repair Transformer Evaporator ThermistorController Control PanelRemoval and Repair Cabinet Removal CU50 Refrigeration Service

CU50 specifications

The Scotsman Ice CU50 is a compact and efficient undercounter ice maker designed for restaurants, bars, and small commercial spaces that require a reliable supply of ice. Known for its innovative design and user-friendly features, the CU50 can produce up to 65 pounds of clear, gourmet ice cubes daily, making it a perfect choice for establishments with moderate ice demands.

One of the main features of the Scotsman CU50 is its space-saving design. Measuring just 14 inches wide, it fits effortlessly under most countertops, maximizing usable space in tight environments. Despite its compact size, the unit boasts a robust performance, thanks to its advanced ice-making technology. The CU50 utilizes a water-cooled system that enhances the efficiency of ice production while ensuring optimal performance even in warmer conditions.

The CU50 generates ice in the form of crystal-clear cubes, which not only look appealing in drinks but also melt slowly, reducing dilution and maintaining beverage quality. The ice produced is perfect for a variety of uses, from cocktails to soft drinks, providing an upscale experience for patrons.

One of the standout characteristics of the Scotsman CU50 is its user-friendly interface. The unit features a simple control panel that allows users to easily adjust settings and monitor ice production. Additionally, it comes equipped with a self-cleaning feature, which simplifies maintenance and ensures that the machine operates efficiently over time.

The Scotsman CU50 is also designed with energy efficiency in mind. It is ENERGY STAR certified, which means it meets strict energy efficiency guidelines set by the U.S. Environmental Protection Agency. This not only helps reduce operating costs but also minimizes environmental impact.

Another noteworthy aspect of the CU50 is its durable construction. Built with stainless steel and high-quality components, it is designed to withstand the rigors of daily use in a commercial setting. Its rugged design ensures a long lifespan, making it a smart investment for business owners.

In summary, the Scotsman Ice CU50 is an ideal solution for establishments requiring reliable ice production in a compact footprint. With its advanced technology, easy-to-use features, and durable construction, it delivers high-quality ice while ensuring efficiency and ease of maintenance. Whether you are running a busy bar or a cozy café, the CU50 is equipped to meet your ice needs with style and reliability.
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