Refrigeration & Water Systems - Scotsman CU1526 Service Manual

CU1526, CU2026, CU3030
Service Manual
Refrigeration & Water Systems
Refrigerant: R-404A
Compressor: Copeland or Tecumseh hermetic by model
Expansion valve: Non adjustable, internally equalized
Hot gas valve: Pilot operated, line voltage coil.
Condensers: Forced draft air, counterflow water. All air cooled models have left side air inlet. All air
cooled models exhaust air out the right front.
Air filters: Mounted in left front grill and under the base on the CU3030.
Fan pressure control. All AC. Controls fan motor operation in the freeze cycle.
High pressure cut out. All models.
Evaporator: Unified cell plate. Nickel plated copper.
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Small cube: 7/8" high x 7/8" deep x 3/8" wide
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Medium cube: 7/8" high x 7/8" deep x 7/8" wide
Water System
Float fed type. Water reservoir contains partial water charge, which is replenished during each ice
making cycle.
Water valve: Float valve. Water level to be about 1 inch deep at the left end of the reservoir.
Pump: Unsealed pedestal type, twist-release mounting
Water purge valve: Solenoid type. Opens to purge water during harvest cycle.
Water Sensor: Three probe conductivity.
Distributor: ABS plastic. Evenly distributes water over the evaporator surface. Slides off the evaporator
top. Removable cover for ease of cleaning.
May 2008
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