Scotsman CU0415 Installation guide

Technical Training
CU0415, CU0715, CU0920
Essential Ice

Presentation Topics
•Introduction
•Installation
•Operation
•Cleaning
•Diagnostics
•Service

Introduction
•Three basic models
– Air cooled, 15 inch wide, 58 lb – CU0415
– Air cooled, 15 inch wide, 80 lb – CU0715
– Air cooled, 20 inch wide, 100 lb – CU0920
•Three electrical configurations
– 1 or 115 60 Hz
– 32 or 208-230 60 Hz
– 6 or 230 50 Hz
•Warranty – 3 years parts and labor

Ice Type
•Medium cube / full dice
•Inverted grid evaporator
•Dedicated spray jet per
cube cell
•45 cubes per cycle
– Cubes harvest as a unit

Evaporator
•Nickel Plated Copper
•Mounted inverted above
spray platform

Refrigeration System
•R-134a
•Cap tube
•Air cooled only
– Air in the front and out the front
– Fan pressure control switch
•No access valves
•Common evaporator on all three

Water System
•Batch type – single fill per cycle
– Inlet water solenoid valve
• .275 GPM
• On during harvest
– Standpipe in reservoir
•Water pump
– Off during harvest
•Spray platform
•Same parts on all models (non electrical)

Control System
•Temperature initiated, timed cycle
– Thermistor on suction line
• For freeze and harvest
– Controller
– Bin thermostat
• Opens on temperature fall
• Capillary tube in sensing tube in bin
– Thermistor in pump hose
• For anti-slush mode

Installation
•Unit supplied with 6 inch legs
– 8 inch available – 02-4731-02, set of 4
•Can be floor mounted
– Has bumpers on base to keep from damaging floor
– Kit available to make sealing to floor easier
• KUFM15 or KUFM20
– Can fit under 34” high ADA counter
• 32” high w/out legs, including space for bumper or floor
mounting kits

Floor Mounting Kits
•Kits provide plastic glides
and trim strips to attach
to base in place of legs
•Fills in the half inch of
space at the bottom
•Allow sealing to the floor
•Will fit under 34 inch
ADA countertop height ½ inch
31 ½
inches

Installation
•Minimum clearances when built in
– 1/8 inch at sides
– ¼ inch at top
– 4 inch minimum behind machine
– Will make ice at minimum but performance better
with more clearance
•Electrical
– Supplied with power cord
• 115/60- NEMA 5-15 plug
• 208-230/60 - 14136 type cord and plug
• 230/50 – cord w/out plug

Installation
•Water and Drain – all models
– Drain is ¾ FPT
• Must be vented

Installation
•Water Connection - 115/60
– ¼ inch OD plastic tubing
routed out the back
– No fittings are supplied

Installation
•Water connection -
208-230/60 or 230/50
– Includes water supply
hose
– Fitting supplied loose
in bin
– Attaches to 3/8 male
flare on back of unit
Fitting

Component Location Water Pump
Curtain
Cube
Deflector
Hot Gas
Valve
Inlet Water
Solenoid
Valve
Controller
Water Inlet
Evaporator
Compressor
Fan Motor
and Blade
Air Inlet

Pre-Start Inspection
•Check freezing compartment
•Remove any shipping blocks and other materials
•Check
– Cube deflector – snapped down?
– Spray platform – in place?
– Curtain – hanging free?

Inspect Freezing Compartment
•Move curtain and check
spray platform under
cube deflector.
– Jets point straight up.
•Pull curtain down to its
normal position.
Shown with cube deflector removed

Initial Start Up
•Turn water supply on
– MUST be on first
•Remove front panel
•Connect electrical
power
•Switch master switch
to ON

Start Up
•Bin thermostat must be closed to supply power
to controller
•Unit will start in Harvest mode
– Water flows in
– Compressor on
– Hot gas valve open
•Two minutes later freeze cycle begins
– Pump and fan ON
– Water and hot gas valves OFF