Service Manual - Scotsman Ice Systems
Contents
1. Bin Thermistor and Or Cutter Grid 1 Unplug ice maker or disconnect power 2 Open the ice maker door 3 Cover or remove the ice from the storage bin 4 Place a cloth in the drain hole to avoid hardware from falling inside 5 Remove the two hex head screws from the cutter grid cover and remove the cover 4 Cutter Grid 6 To remove the bin thermistor a Disconnect the bin thermistor connector from the bottom of the control housing b Pull the bin thermistor out of the retaining clamp and remove it 7 To remove the cutter grid a Disconnect the cutter grid and bin thermistor connectors from the bottom of the control housing b Remove the two hex head screws from both sides of the cutter grid The longer screw and white spacer are on the right side Slide the cutter grid forward and out of the unit and place it on a work surface Be careful not to scratch the ice maker liner d Remove the spacer from the right cutter grid bracket tab Unsnap the two ice guides from the cutter grid tabs There should be a slight outward tilt after the guides are installed Bend the metal tabs outward if necessary July 2007 Page 19 CS0415 Service Manual Removal and Replacement To remove the evaporator thermistor To remove the water distributor a Remove the cutter grid from the unit b Pull out on the left and right water distributor retainers and remove the tabs from the slo2. Wattage 120 V Resistance Compressor 244 Run 1 5 Start 3 11 Water pump 1D 3 6 Reservoir drain pump 4 5 3 6 Water valve 20 Hot gas valve 7 9 385 Bin thermistor 10k 77 F Evap thermistor 10k 77 F Transformer 13 Fan motor 5 1 7 1 185 Cutter grid 20 July 2007 Page 6 Operational Modes CS0415 Service Manual There are four main operational modes for the ice maker e Freeze e Harvest e Clean e Service Diagnostics Ice Making Cycle In addition there are three possible Off cycles for the ice maker They occur when 1 The bin is full of ice and the LED is illuminated ON OFF Idle mode 2 The On OFF control switch has been held for three seconds The ON OFF LED will go out Electrical System Line Voltage is supplied to the electrical control switches and the primary side of the step down dual transformer The dual transformer reduces 120 VAC to 8 75 VAC for the cutter grid and the bin light and 12 VAC for the drain and recirculating pumps The electronic control board directs 12 VAC to the water recirculating and reservoir drain pumps and 120 VAC to the hot gas solenoid condenser fan motor and compressor The measured fill water valve will always have 120 VAC on the BK and WH wires and 14 VDC on the OR WH and BK RD wires An evaporator thermistor supplies temperature information to the electronic control to determine when to terminate the harvest cyc
3. and remove the cover ST 5 ATA UL 12 Remove the four screws from the unit compartment cover and remove the cover OTT 13 Cut the tie wrap from around the tubing and wire harness inside the channel Compartment Cover July 2007 Page 23 CS0415 Service Manual 14 Remove the two screws from the reservoir 17 Pull out on the left water trough and remove the trough and right water distributor retainers and remove the tabs from the slots in the evaporator disconnect it from the hose and remove it Remove the hex head screw from the water pump shield and remove the shield Water Pump Shield 18 Remove the four screws from the evaporator then carefully lift the evaporator just high enough to remove the two right spacers Remove the Permagum from the liner channel 20 Lift the cabinet top off the unit and stand it on the floor near the rear of the unit 16 Remove the water fill tube from the notch in the water pump bracket and pull the free end of the water line up out of the unit Fill Tube me July 2007 Page 24 CS0415 Service Manual 21 Lift the evaporator and its connecting tubing REASSEMBLY NOTES high enough from the unit to access the tubing underneath When installing the new evaporator use a generous amount of thermal heat trap paste Access the sealed system and discharge the between the hot gas valve and the evaporator refrigerant into an appr
4. in the drain hole to avoid hardware from falling inside 6 Remove the hex head screw from the water recirculation pump shield and remove the shield see the photo below 6 Remove the four hex head screws from the control housing and lower the housing so that you can access the components nel NOTE The control housing components consist of Water Reservoir e 1 Electronic control board Drain Cap 2 Dual transformer rain Cap 3 Light switch Reservoir Drain Pump 4 Push button switch assembly July 2007 Page 21 Removal and Replacement CS0415 Service Manual AWARNING Electrical Shock Hazard Electrical shock can Cause personal injury Disconnect electrical power before proceeding 7 Disconnect the water fill tube from the pump mounting bracket 8 Disconnect the two wire pump connectors from the harness block 9 Remove the two thumbscrews from the reservoir and remove the reservoir from the ice maker 10 Remove the pump outlet tube 11 Remove three hex headed screws from the pump mounting bracket and remove pump assembly Water Fill Tube a Pump Outlet Tube 12 Separate the recirculation pump from the bracket Reservoir Drain Pump and or Water Level Sensor 1 Unplug ice maker or disconnect power 2 Open the ice maker door 3 Unscrew the drain cap from the reservoir drain the water and replace the cap tightly 4 R
5. is unplugged the evaporator defaults to a timed 4 minute harvest If the water level sensor is disconnected or open the control defaults to 25 minutes of freeze time The cleaning indicator LED feature will not function if the water level sensor is disconnected Refrigeration System The hot gas valve opens allowing high pressure refrigerant gas to bypass the condenser and flow through the condenser accumulating tube The hot gas pushes the liquid refrigerant that has accumulated in the accumulator tube up into the evaporator The hot liquid refrigerant evenly heats the evaporator plate so that the ice slab releases quickly and evenly The ice slab when released slides off of the evaporator plate onto the cutter grid Water System The electronic control board sends a signal to the water valve The signal tells the water valve how much water to be filled allowing water to flow into the water reservoir pan The water fill volume is determined by the ice thickness setting As a result of the hot gas flow and the ice sliding off the evaporator plate the evaporator temperature begins to rise When the evaporator thermistor reaches the set temperature 52 F the unit switches to the Freeze mode This cycling between Freeze and Harvest continues until the ice bin is full The electronic control board operates the various components and systems in the ice maker for each of the Freeze and Harvest modes Clean Mode Elec
6. Scotsman Service Manual for Cuber Model CS0415 Scotsman CS0415 Service Manual Introduction This is the service manual for the CS0415 ice Note and heed any warning symbols where they machine appear Basic installation information is provided however the installation manual is separate Table of Contents July 2007 Page 2 Specifications CS0415 Service Manual Scotsman Ice Systems are designed and manufactured with the highest regard for safety and performance They meet or exceed the standards of agencies like NSF and UL Scotsman assumes no liability or responsibility of any kind for products manufactured by Scotsman hat have been altered in any way including the use of any part and or other components not specifically approved by Scotsman Scotsman reserves the right to make design changes and or improvements at any time Specifications and design are subject to change without notice AC Power Supply e 104 to 127 VAC rated 115 VAC 60 Hz Amperage e 6 5 Amps max Minimum Circuit Capacity e 15 Amps Ice Production per 24 hours Approximate e 70 F 27 C 46 Ibs 21 kg e 80 F 27 C 47 Ibs 21 kg e 90 F 32 C 40 Ibs 18 kg e 100 F 38 C 40 Ibs 18 kg Ice Shape e 3 4 x 3 4 Square Ice Thickness Normal Setting Approximate e 0 32 or 5 16 8 1 mm Ice Thickness Thin Setting Approximate e 0 28 or 9 32 7 0 mm Ice Thicknes
7. and red leads of the dual transformer The meter should indicate between 0 14 and 0 18 ohms Water Pump 1 Unplug ice maker or disconnect power 2 Set the ohmmeter to the appropriate scale 3 Touch the ohmmeter test leads to the outside water pump wire connector pins The meter should indicate approximately 3 6 ohms Reservoir Drain Pump 1 Unplug ice maker or disconnect power 2 Set the ohmmeter to the appropriate scale 3 Touch the ohmmeter test leads to the outside reservoir drain pump wire connector pins The meter should indicate approximately 3 6 ohms July 2007 Page 13 Component Testing CS0415 Service Manual Water Level Sensor 1 Run the diagnostic tests and check for the proper operation of the water level sensor in step Ab 2 With the water level sensor immersed in water the Service LED should stay on solid 3 With the water level sensor out of the water the Service LED should blink Measured Water Fill Valve AWARNING Electrical Shock Hazard Electrical shock can Cause personal injury Disconnect electrical power before proceeding 1 Unplug ice maker or disconnect power 2 Unsnap and remove the cover from the measured fill water valve 3 Set the onmmeter to the appropriate scale 4 Touch the ohmmeter test leads to the measured fill water valve solenoid terminals The meter should indicate between 240 and 280 ohms Compressor Start Relay Position the re
8. art Freeze Mode Details Freeze voce No Yes Comp fan motor spray pump are on Comp fan motor spray pump are on for 25 minutes maximum No Yes ater leve drops below Yes sensor Hung Slab Noted No y Comp fan motor A spray pump are on drops below v Ad sensor Yes A No No 20 minutes up Yes gt y Hanes Mode July 2007 Page 16 Service Diagnosis CS0415 Service Manual Symptom Possible Cause Probable Correction No ice not operating No power at wall outlet Check circuit breaker fuses No power at auxiliary drain pump power outlet Check for kinked drain hose blocked screen or blocked vent outlet or hose Disconnected selector switch Reconnect and check for proper operation Room temperature below 55 F 13 C Bin thermistor has unit shut off Ice touching bin thermistor Normal operation No ice Will not make ice Water reservoir is empty Evaporator is cold with thin or no ice slab Water supply turned off Turn on water supply Loose or missing reservoir cap Tighten or replace Water slide return tube out of reservoir Reposition tube Inlet tube out of position and missing reservoir Reposition tube Water inlet tube frozen near evaporator Thaw and reposition tube Defe
9. ctions or miswiring Entering and Navigating Manual Diagnostics Turn the product to On Within 10 seconds of Power On press and hold the On and the Clean buttons Release both buttons when all user interface LEDs begin to flash Within 5 seconds of all LEDs flashing push any other button On Off or Clean This begins manual diagnostics If no button is pressed within 5 seconds the product goes into an automatic diagnostic mode Each component is cycled for 5 seconds The Off button is used to advance through each step To exit manual diagnostics press the On button After pressing any button to enter manual diagnostics all LEDs will illuminate for 5 seconds The controls will then automatically move to the first component Order Component On LED Off LED Clean LED 1 Entry into Test Mode ON ON ON ON Solid OK 2 2 Bin Thermistor blinks Open 4 OFF OFF blinks Shorted ON Solid OK 3 Evaporator Thermistor OFF OFF 2blinks Open 4blinks Short Water Valve 4 min time 4a out Off button press will OFF Spy Soe tear oll A ON Blinking reservoir empty advance to step 6 4b Water Level Sensor OFF DANESE ON Blinking reservoir empty Water Pump ON ON ON Reservoir Drain Pump ON OFF OFF Blinking when evap 7 Compressor and ON Solid while thermistor reaches 4 5 F ON Condenser Fan Motor cooling full frost pattern should be visible Compressor and Hot ON Solid while En S
10. ctive inlet water valve Test and repair or replace An ice slab only partially released from evaporator and water was bridged down into the bin Look for interference with cutter grid and clean the evaporator plate Will not make ice Water reservoir is empty Evaporator is cold with 3 4 thick or larger ice slab Slab will not release during harvest due to scale build up Clean the evaporator plate Defective or disconnected hot gas valve Test and repair or replace Room temperature over 100 F 38 C Move machine or reduce heat Off LED on Open or disconnected bin or evaporator thermistor or thermistor wiring Test thermistor amp wiring harness or reconnect July 2007 Page 17 Service Diagnosis CS0415 Service Manual Symptom Possible Cause Probable Correction Will not make ice Water reservoir is full Evaporator is cold with thin partial irregular or no ice slab Seeping water valve Condenser is hot Replace water valve Partial refrigerant leak or restriction U shaped slab Check for leak restriction and repair or replace defective component Defective recirculating pump Repair or replace the pump motor assembly Partially blocked water distributor Clean distributor and evaporator Will not make ice Water reservoir is full Evaporator is warm Compressor is not running Test compressor relay and over
11. d into connectors far enough e Resistance checks must be made with power cord unplugged from outlet and with wiring harness or connectors disconnected AWARNING Electrical Shock Hazard Electrical shock can Cause personal injury Disconnect electrical power before proceeding Thermistor Sensor Temperature F Resistance Range Q 32 29 000 to 31 000 T5 9 500 to 10 500 1 Unplug ice maker or disconnect power 2 Set the ohmmeter to the appropriate scale 3 For the most accurate measurement immerse the thermistor in ice water for 5 minutes then use the 32 F reading in the chart 4 Touch the ohmmeter test leads to the two evaporator thermistor connectors The meter should indicate as shown in the chart Cutter Grid 1 Unplug ice maker or disconnect power 2 Set the ohmmeter to the appropriate scale 3 Touch the ohmmeter test leads to the pins of the cutter grid 2 wire connector The meter should indicate 4 to 5 ohms Transformer 1 Unplug ice maker or disconnect power 2 Set the ohmmeter to the appropriate scale 3 Touch the ohmmeter test leads to the primary black and white leads of the dual transformer The meter should indicate between 3 5 and 4 5 ohms 4 Touch the ohmmeter test leads to the secondary yellow and yellow leads of the dual transformer The meter should indicate between 0 11 and 0 14 ohms 5 Touch the ohmmeter test leads to the secondary red
12. e evaporator thermistor The Clean light is the indicator if it is on steady it is OK If it blinks twice and repeats it is open If it blinks 4 times and repeats it is shorted Test 3 testing the inlet water valve Four minute test Test 4 testing the water level sensor Test 5 testing the water pump Test 6 Testing the reservoir drain pump Test 7 testing the compressor and condenser fan motor Test 8 testing the compressor and hot gas valve Test 9 no component tested Test 10 displaying the ice thickness setting Ice Thickness Adjustment The Off light is the indicator e If it blinks 2 times and repeats the ice thickness Is set at thin e If it blinks 4 times and repeats the ice thickness is set at normal e If it blinks 6 times and repeats the ice thickness is set at thick Pushing and releasing the Clean button between flashes adjusts the thickness setting to the next one February 2008 Page 5 Technical Charts CS0415 Service Manual Bin Thermistor Cut In Cut Out Temperature Resistance Temperature Resistance Bin 40 F 1 F 25 9k ohms 3 35 F 1 F 29 8k ohms 3 Evaporator Thermistor End Harvest Readings Ice Thickness Temperature Resistance Normal Thick Thin 52 F 3 18 7k ohms 1 Other Technical Information
13. emove the recirculating pump cover hexhead Screw 5 To remove reservoir drain pump a Disconnect the reservoir drain pump electrical connection b Remove the pump retaining screw and bracket c Rotate the pump 1 4 turn and pull it down and out of reservoir 6 To remove the water level sensor a Disconnect the water level sensor electrical connection Water Level Sensor b Remove the retaining clips if present c Pull the sensor up and out of the bracket July 2007 Page 22 CS0415 Service Manual Removal and Replacement Evaporator AWARNING Electrical Shock Hazard Electrical shock can Cause personal injury Disconnect electrical power before proceeding Channel Cover Evaporator 1 Unplug ice maker or disconnect power 2 Open the ice maker door 3 Remove the ice from the storage bin 4 Remove the cutter grid and the evaporator Se thermistor from the unit az belts dora via i 5 Disconnect the bin thermistor connector from the bottom of the control housing 6 Remove the top door screw from the ice maker door and pull the door off the bottom hinge 7 Remove the two 5 16 hex head screws from the top hinge and remove the hinge 8 Remove the two front and two rear screws from the cabinet top Lift the cabinet top and position it forward on top of the unit From the rear of the unit remove the six hex head screws from the channel cover
14. free of obstruction Blocking this area will cause low ice capacity and likely damage the machine Such damage is considered mis use and is not covered by warranty When building into a cabinet be sure the power supply water and drain are all available within the built in area __ Drain Hose Vent Hose Water Inlet ac p Back View Drain Pump Models July 2007 Page 4 Test Mode Ice Thickness Adjustment CS0415 Service Manual The CS0415 has three push button switches ON OFF and CLEAN These can be used to switch the machine on off and to start the cleaning process They can also be used to test the unit s components To test and or to adjust ice thickness 1 Unplug or disconnect the unit from the power supply Note Unit must be On make ice mode when power is disconnected 2 Reconnect power to the unit 3 Immediately within ten seconds of power re connection push and hold the On and Clean buttons until the three indicator lights begin to blink 4 Push and release the Off button to cycle through testing the various components Note 10 push and releases will switch the controller to ice thickness adjustment mode Pre Test Mode All 3 lights are on steady Test 1 testing the bin thermistor The On light is the indicator if it is on steady it is OK If it blinks twice and repeats it is open If it blinks 4 times and repeats it is shorted Test 2 testing th
15. lay with the coil facing down as shown below b Insert the tip on one of the ohmmeter test leads into the Run M pin socket and touch the other ohmmeter lead to the spade terminal The meter should indicate a closed circuit 0 ohms c Move the tip of the onmmeter test lead from the spade terminal into the Start S pin socket Leave the other ohmmeter lead at the Run M location The meter should indicate an open circuit infinite d Turn the relay over so that the coil faces up as shown below e With the tip of the onmmeter test leads at the Start S and Run M pin sockets the meter should indicate a closed circuit 0 ohms July 2007 Page 14 CS0415 Service Manual Flow Chart Overall Operation Switch On Flush Mode Begins Water Leve Drops Below Sensor 25 min of freeze time Freeze Mode Begins Harvest Mode Begins water drains and refills Compressor and Hot Gas Valve on for 1 minute Compressor and Hot Gas Valve on for 1 minute vaporato more than 525 Compressor and N Hot Gas Valve on N for 3 minutes vaporato more than 52 F Yes Yes Idle Mode Yes Evap Thermistor nplugged y Yes No vaporato more than 52 kee Yes Yes Continued Harvest Mode Yes 6 minutes max harvest time Yes Failure Mode vaporato more than 52E July 2007 Page 15 CS0415 Service Manual Flow Ch
16. le Refrigeration System The hot gas refrigerant under high pressure is forced through the condenser where it changes into a liquid and flows through the drier and capillary tube into the evaporator Under low pressure in the evaporator the liquid refrigerant absorbs heat from the water flowing over the evaporator as the refrigerant evaporates into a gas As a low pressure gas the refrigerant flows back through the suction line of the heat exchanger to the compressor During the Freeze mode some of the hot gas that is in the condenser accumulating tube condenses to a liquid and remains in the accumulating tube During the later stages of the Freeze mode as the ice slab forms on the evaporator freezing plate some of the refrigerant passing through the evaporator will not evaporate into a gas but will remain a liquid This liquid refrigerant will settle in the accumulator while the refrigerant vapor is sucked off through the suction tube at the top of the accumulator This accumulated liquid refrigerant will eventually be directed to the evaporator to quickly warm the evaporator plate during the Harvest mode Note It is very important that the accumulator is not tilted out of a horizontal position If moved it could cause compressor failure Water System The water recirculating pump moves the water from the reservoir pan up to the distributor where it flows out over the evaporator freezing plate Water that d
17. load Blocked condenser or stalled fan motor Clean condenser repair or replace motor Unit is in the startup mode Wait 5 minutes and recheck Low capacity Room temperature below 55 F 13 C Bin thermistor has unit shut off Advise user Seeping water valve Condenser is hot Replace water valve Slow or defective drain or drain pump causing water to back up into the bin Repair or replace drain or drain pump Airflow blocked Remove blockage Control in extended cycle mode Go to manual test 9 if clean light is blinking push Clean button once Too much ice in bin Defective bin thermistor Test and replace thermistor Noise Banging sound The slab dropping off the plate and ice dropping from the cutter grid into an empty bin are normal sounds Grinding cavitating sound The reservoir is empty Look for a partially released slab interference with cutter grid etc and clean the evaporator plate Grinding cavitating sound from recirculating pump If the reservoir is full replace the pump Noisy drain pump Repair or replace Ice freezing together in the bin Normal if little ice is used Use more ice July 2007 Page 18 Removal and Replacement Thermistor CS0415 Service Manual AWARNING Electrical Shock Hazard Electrical shock can Cause personal injury Disconnect electrical power before proceeding
18. ls or if the drain becomes blocked power is shut off to the 120 VAC outlet on the drain pump When the unit is first plugged in the drain pump will run for 20 seconds The power can be disconnected and reconnected to verify that the pump is operating properly Water from the ice maker reservoir or melting ice from the bin drains down the bin drain tube into the pump inlet and then into the drain pump chamber As the water level rises it bridges the full contacts and the pump starts to run The pump discharges the water through the outlet and the check valve When the full connection is removed the pump runs for an additional 12 seconds to empty the tank If the water level in the drain pump continues to rise due to a slow or blocked drain or a blocked vent hose and touches the overfill contact power will be turned off to the drain pump s 120 VAC outlet causing the ice maker to turn off July 2007 Page 12 Component Testing CS0415 Service Manual Before testing any of the components perform the following checks e Control failure can be the result of corrosion on connectors Therefore disconnecting and reconnecting wires will be necessary throughout test procedures e All tests checks should be made with a VOM or DVM having a sensitivity of 20 000 ohms per volt DC or greater e Check all connections before replacing components looking for broken or loose wires failed terminals or wires not presse
19. oes not freeze on the evaporator plate runs off the front edge and falls back into the reservoir where it is recirculated back to the water distributor As the ice slab forms the minerals in the water are on the surface of the ice The water flowing over the top of the ice slab washes these minerals back into the water reservoir pan The water continues to recirculate until the water level in the reservoir drops to the bottom of the water level sensor When the water level in the reservoir drops below the sensor the control terminates the freeze mode and initiates the harvest mode The control signals the measured fill valve to fill to the selected water level setting The measured fill valve uses a flow meter to accurately fill to the correct volume e Thin Ice uses 32 ounces 954cc e Normal Ice 37 ounces 1106cc and e Thick Ice 42 5 ounces 1258cc July 2007 Page 7 Harvest Mode CS0415 Service Manual Electrical System When the water level in the reservoir drops below the water level sensor it signals the electronic control to terminate power to the condenser fan and then the water recirculating pump The reservoir drain pump is activated to fully drain the reservoir Power is then supplied to the hot gas valve and a fill request is sent to the measured fill valve The fill valve fills to the requested volume while the hot gas valve is energized for the balance of the harvest mode If the evaporator thermistor
20. oir should be within 1 2 of standpipe 2 Leaking reservoir a drain cap b reservoir drain pump gasket c Goose neck drain tube fully seated and in vertical orientation slow siphoning of water during recirculation would be observed d reservoir level less probable 3 Obstructed Cutter grid a foreign object on grid b thermistor wire blocking grid c ice guide missing or loose blocking slab as it travels d cutter grid unplugged 4 Water quality causing stacking slabs a Through control diagnostics change to delay harvest mode high mineral content water makes ice difficult to cut b verify in diagnostics on control Will get blinking clean light in step 8 5 Unlevel product 6 Evaporator a dirty especially the front of side walls make slab hang on plate b weld slag on back corners of the evap plate c toed in evap plate 1 front should be wider than the back 2 top should be wider than the bottom d verify alignment between evap side walls and water return into the iceguides 7 Leak in the recirculation system a return tube in reservoir b leak in tubing or distributor causing water to spray into the bin not flowing down the evap plate c tube fully seated at motor and distributor d distributor attached to the evap not loose causing water spray 8 Hot gas valve a plugged in b verify in diagnostics run frost pattern less than 8 minutes switch to mock harvest should remove heavy f
21. oule le ON Solid while i Gas Valve heatin SRO when evap heatin 9 thermistor reaches 52 F 9 9 None Off Off On is normal 2 Blinks Thin 4 Blinks 10 Ice Thickness OFF AS err Press Clean button to cycle between settings July 2007 Page 11 CS0415 Service Manual Error Displays These errors will occur at any time during normal operation if a thermistor fails e 2 Blinks Off Light is blinking twice in repeating intervals This signals a bin thermistor failure Check that the bin thermistor is plugged in to the control box Check that the bin thermistor is not open or shorted Replace the thermistor if it is open or shorted e 3 Blinks Off Light is blinking three times in repeating intervals This signals a harvest failure Check that the evaporator thermistor is connected to the sealed system tubing If the thermistor is plugged in ensure that it is fully connected to the control box The ice maker will operate on a timed cycle if the evaporator thermistor is unplugged Check the resistance of the thermistor If the thermistor checks good then look for a frost pattern on the evaporator plate The unit may be low on refrigerant Note The lights will continue to blink after correction until the unit is shut off and then switched back on The power cord on the internal drain pump is connected to a 120 VAC wall outlet The ice maker is then connected to the 120 VAC outlet on the drain pump If the drain pump fai
22. oved recovery system tubing joint to protect the hot gas valve when brazing IMPORTANT Refrigerant lines must be connected by a licensed EPA certified refrigerant technician in accordance with established procedures Be sure to reinstall the Permagum in the liner channel of the cabinet around the wire sheath and tubing so that there are no air leaks after the cabinet top is installed i 7 a y Y a i oe Na vi _ A 23 Unbraze and cut the evaporator from the tubing at the following locations e Suction line at the compressor e Hot gas line at the hot gas valve e Cut capillary tube at the drier fi It July 2007 Page 25 CS0415 Cleaning Indicator Issue Symptoms Cleaning light red after less than 2 weeks of usage Problem hung slabs or simulated hung slabs run with no water for 48 hours is the cause for various reasons Observation Customer sees red clean light on To re set the clean light Customer Tech will have to let the clean cycle run all the way 70 minutes the light will go from blinking green during cleaning to solid green But 70 minutes is a long time for a tech to wait Following could cause faster more frequent hung slabs 1 Low or no fill on water a line pressure low b fill tube alignment pointing down the standpipe drain c RO water system capacity d kinked lines to or inside product e leaking lines inside or outside the product f check fill level in reserv
23. rost in under 2 minutes c sealed system leak or restriction in hot gas tubing harvest cycle 9 Water level sensor a fully seated in the bracket b check functionality in diagnostics Scotsman SCOTSMAN ICE SYSTEMS 775 Corporate Woods Parkway Vernon Hills IL 60061 800 533 6006 www scotsman ice com 17 3187 01
24. s Thick Setting Approximate e 0 39 or 3 8 9 9 mm Storage Capacity Approximate e 24 Ibs 10 9 kg Exterior Dimensions W x D x H e 15 x 24 x 34 381 or 457 2 x 609 6 x 863 6 mm Exterior Finish e Painted Steel Net Weight e 94 Ib 42 6 kg Cube Thickness Control e Thermistor under Evaporator amp Control Board Setting Harvest Control e Thermistor under Evaporator amp Control Board Setting Bin Ice Level Control e Thermistor on side of Bin Refrigerant e R 134a 6 2 0z Weigh into high side only Ambient Temperature Operation Range e 55 to 100 F Water Pressure Operating Range e 20 to 120 psig Water Consumption Dependent On Water Pressure e 6 to 10 gallons per 4 hours July 2007 Page 3 CS0415 Service Manual Installation The ice machine is designed to be installed indoors in a controlled environment Do not place where the temperature limits for air or water are exceeded The water supply must be cold potable water A drain must be nearby or a drain pump model used or a gravity drain model must be converted to use a drain pump The ice machine must be on its own electrical power circuit The machine must be grounded Do not connect to an extension cord Do not cut off the ground prong off the power cord plug Do not bypass the ground prong The cabinet is designed to be either free standing or built in In either case the area in front of the kickplate must be
25. trical System The electronic control board operates the various components and systems during the Clean mode Water System When the service control switch is in the Clean position the water pump circulates the cleaning solution that has been added to the reservoir up to the water distributor across the evaporator and back into the reservoir where it is recirculated The compressor and hot gas valve operate to heat the evaporator July 2007 Page 8 CS0415 Service Manual Component Location Light Switch Controller Transformer Push Button Switches Evaporator Cutter Grid Bin al Thermistor I 1 i a I P l Compressor E F Fan Motor es i ae i e ell Hot Gas Valve es k S Measured Fill Inlet KA lt Water Solenoid Valve Condenser Condenser Accumulator Tube July 2007 Page 9 CS0415 Service Manual Component Location Water Distributor Evaporator Water Return Tube Water Level Sensor Manual Drain Water Valve Reservoir Outlet Tube NI Drain Pump Measured Fill Bin Valve N Drain July 2007 Page 10 Diagnostic Mode CS0415 Service Manual Do not continue with the diagnosis of the ice maker if a fuse is blown a circuit breaker is tripped or if there is less than a 120 volt power supply at the wall outlet Units that failed during the first few days of use should be checked for loose conne
26. ts in the evaporator Pull the distributor forward and remove the water hose a Remove the cutter grid from the unit b Disconnect the evaporator thermistor connector from the bottom of the control housing c Remove the two hex head mounting screws from the water trough and pull the trough from the unit Reach behind the accumulator and unclip the evaporator thermistor from the evaporator tubing and remove it Water Distributor July 2007 Page 20 CS0415 Service Manual Removal and Replacement Controller AWARNING Electrical Shock Hazard Electrical shock can Cause personal injury Disconnect electrical power before proceeding 7 To remove the electronic control board a Disconnect the six harness connectors from the board terminals b Remove the two mounting screws 1 Unplug ice maker or disconnect power A ed da pui 3 ha ae ite E ls 7 p T Me hee e A mn L E ii t Pie 2 Open the ice maker door 3 Cover or remove the ice from the storage bin 4 Remove the cutter grid cover and the cutter grid Water Pump 5 Disconnect the remaining two connectors bin Unplug ice maker or disconnect power and evaporator thermistors from the bottom of the control housing 2 Open the ice maker door 3 Remove the ice from the storage bin 4 Unscrew the drain cap from the reservoir drain the water and replace the cap tightly 5 Place a cloth
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