Scotsman CS60 Service Manual Download Page 15

Page: 15 / 17

SYMPTOM

POSSIBLE CAUSE

SUGGESTED CORRECTION

Poor harvest

Too short defrost

Replace cube size control

Not enough water

Check water supply

Hot gas valve does not work

Replace

Inlet water valve plugged

Clean or replace

Air and water temp too low

Try to change location

No harvest

Cube size control does not work

Replace

Hot gas valve does not work

Replace

Water inlet valve does not work

Replace

Excessive water in ice storage
bin

Drain plugged

Clean drain

SERVICE DIAGNOSIS

CS60

January 1995

Page 15

Summary of Contents for CS60

Page 1: ...TMENT OPERATING CHARACTERISTICS Page 12 SANITIZING AND CLEANING Page 13 SERVICE DIAGNOSIS Page 14 SERVICE DIAGNOSIS Page 15 REMOVAL AND REPLACEMENT Page 16 REMOVAL AND REPLACEMENT Page 17 Service Parts lists and Wiring diagrams are located in the center of this manual printed on yellow paper This manual was printed on recycled paper Keep this manual for future reference Note the Warning symbol it ...

Page 2: ... designed and manufactured with the highest regard for safety and performance They meet or exceed the standards of UL and NSF Scotsman assumes no liability or responsibility of any kind for products manufactured by Scotsman that have been altered in any way including the use of any parts and or other components not specifically approved by Scotsman Scotsman reserves the right to make design change...

Page 3: ...h space at the back of the cabinet for the utilities to be connected Allow enough space for the machine to be pulled out from its installed location Do not build a floor in front of the machine that would prevent its removal Air circulation The front panel MUST remain unobstructed Do not block with any type of door or curtain If the unit is built in it will pull air in from the right side of the f...

Page 4: ...l be required to install the receptacle FOR THE PLUMBER Water supply and drain connections 1 The recommended water supply line is a 1 4 o d copper tube the water pressure must have a minimum incoming pressure of 20 psig 2 Connect the tubing to the 3 4 hose coupling thread water inlet fitting at the back of the ice maker An optional adapter to go from the 3 4 hose coupling thread to 1 4 compression...

Page 5: ...water supply line shut off valve installed and is the water turned on 6 Have the bin interior and the cabinet exterior been wiped clean 7 Are all internal parts in place including the spray platform and curtain 8 Have the internal refrigerant lines been checked for rubbing and chaffing 9 Has the machine been installed where it is indoors in a controlled environment with adequate air circulation ar...

Page 6: ...is normal 9 After about 20 minutes the machine will begin to release the ice this is called the harvest cycle Observe the first cube harvest Check the size of the ice cubes Note The normal size of the ice cube has a 1 4 depression in the wide end If the cubes are not filled out adjust the machine to make larger ice cubes by turning the cube size control shaft clockwise If the cubes are overfilled ...

Page 7: ...es When energized it allows a metered amount of water to flow into the machine 21 g p m This water flows to the top of the evaporator and then down into the reservoir Bin Thermostat Control The bin thermostat control body is located in front of the control box just beside the cube size control The thermostat sensing tube is located in the ice storage bin on the left side wall where is automaticall...

Page 8: ... EVAPORATOR BIN DRAIN CLEANING SWITCH WATER INLET VALVE HOT GAS VALVE COMPRESSOR CUBE SIZE ON OFF BIN LEVEL CONTROL TUBE BIN THERMOSTAT CONTROL BOX RESERVOIR FILL TUBE WATER RESERVOIR COMPONENT LOCATION CS60 January 1995 Page 8 ...

Page 9: ...opens and a fresh supply of water flows to the top of the evaporator and then drains into the reservoir The ice cubes have been released from the inverted cube cups in the evaporator by the warming effect of the hot refrigerant gas condensing in the evaporator tubing plus the incoming water flowing around the inverted cups The released ice cubes drop onto the spray platform and through the curtain...

Page 10: ...r the liquid refrigerant flows through the liquid line and the liquid line filter drier After the filter drier the liquid refrigerant enters the metering device a capillary tube After passing the restriction of the capillary tube the refrigerant enters an area of relative low pressure the evaporator In the tubing of the evaporator the liquid refrigerant expands and evaporates absorbing heat from t...

Page 11: ...ondenser it goes through a strainer the strainer outlet is connected to two tubes one of which leads to an electric valve the hot gas solenoid When this valve opens the refrigerant gas follows the path of least resistance and flows through the tubing from the hot gas valve to the evaporator where the ice cubes are frozen At the evaporator the high temperature gases are cooled by the cold temperatu...

Page 12: ... See the illustration at the right 1 Remove front panel locate knob 2 To increase the size turn knob 1 8 turn clockwise To make the cubes smaller turn the knob 1 8 turn counterclockwise 3 Observe the size of the cubes in the next two harvest cycles if more adjustment is needed continue adjustments until the correct size is obtained OPERATION ADJUSTMENT OPERATING CHARACTERISTICS The information sho...

Page 13: ...ing position for about three minutes to release all the ice cubes from their cups 9 Switch the cleaning toggle switch to the operation position and allow the machine to run for 30 minutes or until the next batch of ice is released into the bin 10 Pour hot water into the bin to melt the ice produced during cleaning and to clean out the drain Wipe the interior of the bin with mild soap and hot water...

Page 14: ...rge Moisture in system Same as above Overcharged Same as above Undercharged Same as above look for a leak Cloudy cubes Spray nozzles plugged Clean Needs cleaning Clean with Scotsman Ice Machine Cleaner Irregular size cubes some cloudy Some jets plugged Clean jets Shortage of water Check water supply Cubes too large Cube size control set improperly Check and adjust for proper operation Decreased ic...

Page 15: ...ve does not work Replace Inlet water valve plugged Clean or replace Air and water temp too low Try to change location No harvest Cube size control does not work Replace Hot gas valve does not work Replace Water inlet valve does not work Replace Excessive water in ice storage bin Drain plugged Clean drain SERVICE DIAGNOSIS CS60 January 1995 Page 15 ...

Page 16: ...s and control box cover to gain access to the cube size control body Remove screws and dismount cube size control from control box Disconnect electrical wires from cube size control 4 At the top of the machine unclip cube size thermostat tube holder from evaporator retain clips and tube assembly Pull cube size control capillary tube from the tube and remove complete cube size control from the ice ...

Page 17: ...er lines to and from water valve 6 Remove valve from ice maker 7 Reverse removal procedure to replace Water Pump 1 Disconnect ice maker from electrical power 2 Remove top panel 3 Open ice bin door pull up through top and remove 4 Remove curtain by pulling forward and out on the left end 5 Remove 2 screws holding pump bracket to right side panel 6 Disconnect 2 electrical leads and 1 ground wire fro...

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