Scotsman CME1002W Service Manual

INTRODUCTIONTo the owner or user: This service manual isintended to provide you and the maintenance orservice technician with the information needed t

FOR THE PLUMBERThe recommended water supply line is a 3/8-inchO.D. copper tubing with a minimum operatingpressure of 20 PSIG and a maximum of 80 PSIG.

FINAL CHECK LIST1. Is the cabinet in a room where ambienttemperatures are within the minimum andmaximum temperatures specified?2. Is there clearance a

INITIAL START UPBefore Start Up:1. Check that both the ICE-OFF-WASH rockerswitch and the COMPRESSOR ON-OFF toggleswitch are in the OFF position. 2. Sw

INITIAL START UP9. Check operation of the freezing cycle: Ice willbegin to form from the top of the evaporatorsdown. After the first cycle, freezing t

FREEZING CYCLE OPERATIONWater from the sump assembly is pumped to thewater distributor system at the top of eachevaporator plate. From the water distr

HARVEST CYCLE - HOT GAS BYPASS When the timer switches the ice maker into theharvest cycle, high pressure, high temperature gasrefrigerant being disch

COMPONENT DESCRIPTIONCube Size ControlThis reverse acting thermostat controls the lengthof the freezing cycle. It is sensing the temperatureof the suc

COMPONENT DESCRIPTIONBin Level ControlThis electronic control uses sound waves tomeasure the distance between the bottom of theice machine and the top

COMPONENT DESCRIPTIONWater Inlet Solenoid Valve The water inlet solenoid valve fills the sumpassembly with water and excess water overflowsout the sta

CLEANINGA Scotsman Ice System represents a sizable investment of time and money in any company’s business. Inorder to receive the best return for tha

Scotsman Ice Systems are designed andmanufactured with the highest regard for safetyand performance. They meet or exceed thestandards of U.L., N.S.F.

CLEANINGRemote Condenser1. Shut off the ice machine.2. Remove dirt and debris that might be under thecondenser.3. Brush off the bottom of the condense

SYSTEM SPECIFICATIONS: CME1202The following numbers are a guideline to field operation There will be some variation from unit to unit.The numbers head

SYSTEM SPECIFICATIONS: CME1402The following numbers are a guideline to field operation. There will be some variation from unit to unit.The numbers hea

ADJUSTMENTSAdjustment Of The Timer & Switch AssemblyOne complete revolution of the cam on the timertakes eight minutes. The harvest time set at th

SERVICE DIAGNOSIS: WaterSYMPTOM POSSIBLE CAUSE PROBABLE FIXNo ice is made Inlet water valve will not open oris dirtyClean inlet screen, check coil,rep

SERVICE DIAGNOSIS: Electrical and/or AdjustmentsSYMPTOM POSSIBLE CAUSE PROBABLE FIXMachine does not operate No power Reconnect powerHigh pressure cont

SERVICE DIAGNOSIS: Refrigeration and/or MechanicalSYMPTOM POSSIBLE CAUSE PROBABLE FIXPoor harvest Hot gas valve does not open Check for power to the c

CONDITION DETERMINE CAUSE PROBABLE CORRECTIONIce Machine does not run, ithas power to it, the highpressure control is closed,the on/off switch is set

Sonar Sonar is Scotsman's ultrasonic device for measuring ice level and switching the ice machine on and off. It consists of a control board, t

Sonar Service Diagnosis Step 1. Determine if it's a bin control problem.– Machine will not switch on  Reset high pressure cut out Jump the two

BACK VIEW OF CABINETCME1202R & CME1402RJune 1996Page 3

Sonar Service Diagnosis Step 2: If it is a sonar problem, check the board.– 12 volts to board.  If not, check the transformer.– When ice is called f

Sonar Service Diagnosis Step 3. If the red light is NOT ON– Check the selector switch and harness.  Jump out the two outside pins on the board where

Sonar Service Diagnosis Step 4: If the red light is not on, and jumping the two outside pins does not work, check the transducer.– CME1202 or CME1402

Sonar Service Diagnosis Transducer Check– “Ticking” sound is normal– Examine the screen and face of the transducer. If the screen is dirty, clean it

Sonar Service Diagnosis Transducer Check Switch power on and check the transducer against a hard, flat surface.  Try a NEW transducer, if that does

Sonar Service DiagnosisCheck Transducer Resistor (green and white wires)- should be about 260-270 ohms.

REMOVAL AND REPLACEMENTWater Distributor Tubes And Manifold Tubes To remove the water distributor tube and manifoldtube: 1. Remove the front panel. 2.

Water Pump1. Remove front panel.2. Unplug water pump electrical connection.3. Drain water reservoir.4. Use corbin clamp pliers to loosen and slidecorb

Thermostatic Expansion Valve1. Before replacing this valve, be certain that thevalve is the cause of the problem, and cannot beadjusted.2. Remove the

VAPOR VAPOR TEMP. PRESS. TEMP. PRESS.(DEG F) (PSIG) DEG F) (PSIG)-20 17 70 146-18 18 72 150-16 20 74 155-14 21 76 161-1

ERC401 SPECIFICATIONS23 13⁄16"19 7⁄8"ERC DimensionsABFG43 3⁄8"10 3⁄4"21 3⁄4"16 5⁄8"CME1202R & CME1402RJune 1996Page

LIQUID CHARGING Instructions for R-404AIn preparation for charging, the low side hoseshould have a sight glass, and/or a restrictordevice (such as a &

FOR THE INSTALLER: Location & AssemblyLocation:After uncrating and inspection, the unit is ready forinstallation. It is important that the machine

FOR THE INSTALLER: Location & AssemblyStacking InstructionsA stacking kit, KSCMS48, is required tointerconnect the ice level controls, seal thefre

FOR THE INSTALLER: Scotsman Remote CondenserLocate the condenser as near as possible to theinterior location of the ice maker. Location of the condens

FOR THE INSTALLER: Coupling InstructionsCAUTIONThe couplings on the sets of precharged lines areself sealing when installed properly. Carefullyfollow

FOR THE ELECTRICIAN See the ice machine nameplate for currentrequirements to determine wire and fuse size to beused for electrical hookup. When the cu