CU0415

Overview

The Scotsman CU0415 is a self-contained undercounter cuber with an integrated storage bin. At 15 inches wide, it can fit in narrow spaces, while its front-breathing airflow supports placement beneath a counter or within a cabinet when the front vents remain unobstructed. The machine produces the classic clear cube form, with cubes measuring 7/8 inch on each side. Scotsman describes the large, slow-melting cube as suitable for mixed drinks and other beverages.

Rated production is up to 60 lb (27 kg) in 24 hours at 70°F air and 50°F water. At the higher rating condition of 90°F air and 70°F water, the manufacturer lists production of 40 lb (18 kg) per 24 hours. The storage bin holds 36 lb (16 kg). Actual production depends on operating conditions; the manual notes that excessive heat or restricted airflow reduces ice-making and storage capacity.

Key Features

• Compact undercounter format: The cabinet is 15 inches wide and breathes from the front, with air entering and leaving through the front of the unit.
• Integrated ice storage: The bin holds up to 36 lb of ice and has a slide-back door for access.
• Clear cube ice: A dedicated evaporator produces crystal-clear cubes measuring 7/8 inch by 7/8 inch by 7/8 inch.
• Simple controls: The control panel includes a master switch with ON, OFF and WASH positions, along with controls for ice bridge thickness and harvest time.
• Convenient access: An ice scoop is included. The door lifts and slides into the top of the machine to open the bin.
• Corrosion-resistant exterior: The manufacturer lists a corrosion-resistant cabinet exterior.
• Optional floor-mount kit: The KUFM15 kit is listed for 15-inch models. Scotsman states that the optional floor-mount kit can lower the unit for installation beneath 34-inch ADA countertops.
• Warranty information: Scotsman lists three years of parts and labour coverage for commercial installations in North, South and Central America. Its sheet lists one year of parts and labour for residential applications; contact Scotsman for warranty details in other regions.

Specifications

• Model: CU0415
• Machine type: Self-contained undercounter cube ice machine with storage
• Condenser: Air-cooled
• Ice production: Up to 60 lb (27 kg) per 24 hours at 70°F air / 50°F water; 40 lb (18 kg) per 24 hours at 90°F air / 70°F water
• Storage capacity: 36 lb (16 kg)
• Cube dimensions: 7/8 in x 7/8 in x 7/8 in (2.22 x 2.22 x 2.22 cm)
• Unit dimensions: 15 in W x 24 in D x 38 in H (38.1 x 61.0 x 96.5 cm), including 6-inch adjustable legs
• Cabinet height without legs: 31.94 in (81.1 cm)
• Shipping carton: 17 in x 27 in x 38 in (43.2 x 68.6 x 96.5 cm)
• Shipping weight: 90 lb (41 kg)
• Electrical supply: 115 V, 60 Hz, single phase
• Total load: 8 A
• Maximum fuse size: 15 A
• Circuit wires: 2
• Minimum circuit ampacity: 9.23 A
• Refrigerant: R290; 3.75 oz charge
• Heat rejection: 1,500 BTU per hour
• Energy consumption: 9.23 kWh per 100 lb of ice
• Potable water use: 24.6 gallons per 100 lb of ice
• Water connection: 1/4-inch OD plastic tubing, 5 ft long
• Drain connection: 3/4-inch FPT
• Water pressure operating range: 15 to 80 PSIG (1.4 to 5.5 bar)
• Water temperature operating range: 40°F (4.4°C) to 100°F (38°C)
• Air temperature operating range: 50°F (10°C) to 90°F (32°C)
• Recommended minimum clearances: 1/8 in at the sides, 1/4 in at the top and 4 in at the back for utility connections
• Assembly: Assembled in the USA

Installation & Requirements

The CU0415 is an air-cooled appliance. Its front air inlet and outlet must remain open; do not block the front louvers. The manual says the unit can be built into a cabinet because airflow is at the front. It calls for at least 4 inches of space at the back for utility connections. Although no additional side or top spacing is required, the manual gives suggested minimum clearances of 1/8 inch at the sides and 1/4 inch at the top. Plan for service access: some maintenance or repair work requires removal of the top, back and side panels.

Connect the machine to a cold, potable water supply using the supplied 5-foot, 1/4-inch OD plastic tube and suitable fittings. A hand-operated shutoff valve within sight of the machine is required so the water can be isolated for service. Before connecting the machine, open the water valve and flush water through the connection point. The manual says not to use a piercing-type saddle valve. The machine has a built-in backflow preventer, so an additional one is not needed. For a cabinet installation, the manual calls for a loop or coil of tubing between the supply and machine to help prevent kinking as the unit is pushed into place.

Connect the 3/4-inch FPT drain and the 115 V, 60 Hz, single-phase electrical supply. The manual identifies the power cord and a two-wire circuit. If the machine has been tipped onto its side or back, wait one hour before starting it so refrigeration-system oil can return to the compressor. Position the unit and level it from front to back and side to side. It can be installed with or without legs; if it is installed without legs, the bottom edges of the cabinet must be sealed to the floor. The optional KUFM15 floor-mount kit is for 15-inch models.

Operation

Remove shipping and packing materials from the storage bin before operation. The master switch positions are ON to make ice, OFF to stop ice making and WASH for use during cleaning. When ice reaches the bin’s metal sensing tube, the machine stops making ice; removing ice from the bin restarts production. To access the bin, lift the door by its bottom edge and slide it up into the top of the machine. Use the included scoop and close the door after removing ice.

The manual lists typical CU0415 cycle times of 28–30 minutes at 70°F air / 50°F water and 34–37 minutes at 90°F air / 70°F water. The first cycle after a restart takes longer than those typical times. The manual estimates that filling a warm, empty storage bin takes about 10–12 hours, depending on cabinet temperature and cycle time. The bin is insulated but not refrigerated, so some ice melts during use; the manual describes this as normal and says it helps keep fresh ice available.

The harvest cycle releases formed ice from the inverted mold into the bin. Harvest time adjusts automatically but can also be adjusted manually. The manual says the appropriate setting is one that releases the ice and leaves about 10 seconds of extra harvest time before the freeze cycle restarts. If ice does not release, increase harvest time with the plus control and check another cycle. Excessive harvest time slightly reduces ice-making capacity. The ice bridge adjustment is for obtaining the correct cube size, not personal preference; making the bridge too thick or too thin reduces capacity. The manual cautions against adjusting the machine to release individual cubes.

Cleaning & Maintenance

The control’s WASH position is identified for use during cleaning. The manual also instructs operators to remove packing material from the bin before use, check for water leaks from the machine and drain system during setup, and return the front panel to its normal position and secure it with the original screws after the relevant installation checks. Scotsman recommends water filtration for all its ice machines and refers users to its water-filter specification sheet for details.

Keep the front vents clear during operation. The manual explains that this air-cooled machine needs room air for intake and must discharge the air heated during ice making; blocked vents or exposure to excessive heat can reduce production and storage capacity. The supplied source excerpt does not provide a complete cleaning procedure or a maintenance schedule, so follow the CU0415 cleaning and maintenance documentation for those steps.

Troubleshooting

• Production or storage capacity is lower than expected: Check that the front air inlet and outlet are not blocked and that the machine is not exposed to excessive heat. The manual identifies restricted airflow and excessive heat as causes of reduced ice-making and storage capacity.
• Ice does not release during harvest: The manual says harvest time may be increased using the plus control. Run another cycle to confirm the adjustment. Too much harvest time can slightly lower ice-making capacity.
• Ice size or production changes after bridge adjustment: The bridge adjustment is intended to obtain the correct cube size. The manual warns that a bridge that is too thick or too thin reduces capacity and says not to adjust the machine to release individual cubes.
• Rattling or vibration: Some fan noise is normal during operation; the manual says rattles and other vibrations are not normal and should be attended to.
• Water is leaking: During setup, check for and correct leaks from the unit or drain system, as directed by the manual.
• Ice melts in the bin: The bin is insulated but not refrigerated. The manual says melting during use is normal.

Applications

The CU0415 manual identifies restaurant kitchens, bars and hotels as commercial applications. Its compact undercounter format, built-in bin and clear cube ice also suit beverage service where a classic cube is wanted for mixed drinks. Confirm that the production rating and 36 lb storage capacity match the operation’s ice demand, taking account of the air and water temperatures at the installation site.