Scotsman Ice SCCP50 User's Manual
Contents
1. dete ard ET z KE 8 M d m t s poc R Air Baffle 20 Remove air baffle 21 Unplug 7 wire harness connector at back of bin 22 Remove 1 screw at each corner of the base l l l Chassis Shown in Front of Bin Assembly June 2008 Page 31 Refrigeration Service SCCG50 amp SCCP50 Service Manual This ice machine use R 134a type refrigerant There are specific rules for handling that refrigerant To check for system pressures add a field supplied clamp on type service valve as a temporary means of system access After diagnosis and before final repair replace the clamp on type valve with valves that are brazed onto the process tubes of the system Use a low flow of dry nitrogen when brazing on the system Install a new filter drier when replacing a refrigeration component or after a refrigerant leak repair Evacuate the system to at least 300 microns and use a micron gauge to measure the evacuation level Weigh in the nameplate charge The machine is critically charged and a partial ounce mis charge will affect performance June 2008 Page 322. 40 16 17 15 16 Air Temperature 100 90 80 70 60 50 Water Temperature 80 100 55 60 60 0 70 80 80 90 90 100 110 115 70 80 65 5 70 80 75 85 85 95 95 105 115 120 50 70 70 80 75 85 85 95 125 135 140 150 160 170 40 50 Total Cycle Minutes 100 120 115 125 130 140 150 170 Air Temperature 180 200 210 230 80 70 Water Temperature 100 36 37 34 35 90 35 36 33 34 80 31 32 30 31 70 28 29 26 27 60 25 26 24 25 50 19 20 19 20 40 Ice per cycle 1 Ib Water drained cycle Varies by harvest cycle 19 18 19 length and purge setting Typical amounts 0 70 50 52 oz 90 70 13 oz Compressor amps 2 6 3 2 June 2008 Page 23 Refrigeration System SCCG50 amp SCCP50 Service Manual Suction Pressure PSIG 4 Discharge Pressure 150 140 130 120 100 PSIG 90 80 70 60 50 June 2008 Page 24 SCCG50 amp SCCP50 Service Manual Thermistor Values Deg E Ohms Deg F Ohms Deg Ohms Deg F Ohms Deg Ohms 0 85325 52 18873 104 5325 156 1819 208 724 le 82661 S3 18381 105 5208 157
3. Back View Gravity Drain Model June 2008 Page 11 Electrical SCCG50 amp SCCP50 Service Manual The ice machine is supplied with a power cord Do not remove the grounding pin from the cord s plug Do not use extension cords Follow all codes Connect the machine to its own 115 volt 15 amp circuit 1 If the electrical outlet for the ice maker is behind the unit plug in the unit 2 Position the unit in the installation opening 3 Turn on the water supply Make sure that the ice maker is plugged in and the power is on 4 Slide unit into installation opening paying careful attention to water supply and drain connections Do not kink 5 Poura couple of quarts of water into the ice storage bin on drain pump equipped machines the drain pump should start and water should pump out Check for leaks 6 Replace the service access panel 7 Level the unit as needed Installation check list 1 Hasthe unit been connected to the proper water supply 2 Hasthe water supply be checked for leaks Has the unit been connected to a drain Has the drain been tested for flow and leaks Has the unit been connected to the proper electrical supply 6 Hasthe unit been leveled 7 Have all packing materials been removed from the machine 8 Has the door covering been installed Initial Start Up 1 Turn on the water supply 2 Switch on the electrical power 3 Push and release the On Off switch to star
4. Cycle control Thermistor timers Freeze cycle timer 10 minutes 4 Harvest cycle timer 20 seconds 40 Cube size adjustment Freeze timer change Harvest cycle adjustment Harvest timer change Bin control Thermostat Opens on temperature fall Cut Out 35 degrees F Cut In 45 degrees F Range is adjustable Electrical Components Compressor s Fan motor e Spray pump motor Drain pump motor Drain pump switch Bin light LED type Bin light switch magnetic reed nlet water solenoid valve Hot gas valve Transformer Controller e Water sensor e Thermistor Bin thermostat Electrical Sequence A closed bin thermostat signals to the controller a need for ice The controller checks for water if water is needed the controller opens the inlet water solenoid valve to fill the reservoir The hot gas valve is open to equalize the system When the reservoir is full the compressor fan motor water pump are switched on After 5 seconds the hot gas valve shuts and ice making begins Water is sprayed up into the inverted cup mold As the water is cooled and ice begins to form in the cups the temperature of the evaporator will fall The freeze cycle continues until the temperature of the thermistor attached to the evaporator outlet tube falls to about zero degrees F At that point the controller starts a freeze cycle timer whose default time is 10 minutes At the end of the
5. June 2008 Page 5 Door Covering SCCG50 amp SCCP50 Service Manual Door Panel The ice machine is supplied without a conventional door covering so it can be decorated to the user s preference Scotsman offers several coverings including white black and stainless steel In addition a custom built panel can be placed onto the door Door Panel Attachment To attach a Scotsman supplied panel Note If door swing is to be changed it must be done before panel is attached The panel will be held on by 6 sheet metal screws and 2 machine screws 1 Remove the gasket and retain for later use 2 Ifthe door panel is stainless steel remove any plastic covering the stainless steel panel 3 Place the panel onto the outside of the door and secure it to the door using two machine screws located at the left center and right center 4 Fasten the panel to the door using the 6 sheet metal screws In the hinge area use the outermost screw holes 5 Place the covers over the hinge areas and secure each cover to the door using a sheet metal screw 6 Insert hole plug over screw installed in step 5 7 Return the gasket to its original position Custom Panel A custom panel of wood or other material not exceeding 15 Ib can be attached to the door Attachment is from the ice side of the door Holes are provided in the door for this purpose See instructions in information packet to create and attach a custom panel
6. June 2008 Page 6 SCCG50 amp SCCP50 Service Manual Door Panel Attachment Use Upper Hole at the Top Scotsman Door Panel 22 a 2 2 pota 2 Screw SN Hole Use Lower Hole at the Bottom Cover June 2008 Page 7 gt Gasket y Custom Panel SCCG50 amp SCCP50 Service Manual A custom panel of wood or other material not exceeding 15 Ib can be attached to the door Attachment is from the ice side of the door Holes are provided in the door for this purpose To create and attach a custom panel Panel width 14 7 8 Panel height Between 29 3 8 and 30 3 8 e Panel thickness 5 8 to 37 1 Measure overall height of cabinet opening where ice machine will be floor to bottom of countertop edge 2 Determine desired kickplate space from bottom of door to floor This could be equal to the adjacent cabinet s kickplate space or another space the user wants 13 16 13 32 3 Subtract kickplate space from cabinet opening 4 Subtract 1 8 or more for clearance 411 10 space between top of door and bottom of countertop edge from cabinet opening This is the maximum door length Q 1 8 TYP 10 5 Cut panel to width 6 Cut panel to length cabinet space kickplate space top clearance length 7 Determine top of panel Mark hole locations using drawing 1331 on the back of these instr
7. 40 degrees F 4 5 C A kit to extend the kickplate over the legs is KKPF e Maximum 100 degrees F 38 C Cabinet Stability In some free standing Water pressure limits installations it may be prudent to add a bracket that secures the back of the cabinet to a wall That kit Minimum 20 psi 1 4 bar number is KATB e Maximum 80 psi 5 5 bar Drain Conversion Because the ice machine is making a food product the water supply to the ice machine must be A gravity drain model can be converted to a drain potable or fit for human consumption pump model by installing a drain pump kit The drain pump kit consists of a drain pump wiring Electrical harness and associated tubing The kit number is A39462 021 e 115 volt 60 Hz Plug into dedicated 15 amp circuit Warranty Information Power consumption 275 400 Watts Varies during Freeze and Harvest cycles Warranty information is supplied separately from this manual Refer to it for coverage In general the Voltage limits warranty covers defects in materials or workmanship and does not cover corrections of e Minimum 104 volts installation errors or maintenance Maximum 126 volts Models There are six models all air cooled e SCCP50M 1WU Pump model white cabinet e SCCG50M 1WU Gravity drain model white cabinet e SCCP50M 1BU Pump model black cabinet e SCCG50M 1BU Gravity drain model black cabinet e SCCP50M 1SU Pump model stainless cabinet
8. Loosen both thumbscrews holding curtain bracket to freezing chamber 3 Pull out and remove curtain with bracket from ice machine 4 Reverse to reassemble Spray Platform 1 Remove curtain 2 Lift spray platform up until it disconnects from its fitting 3 Pull forward and remove from the ice machine 4 Reverse to reassemble Water Pump 1 Remove spray platform 2 Remove back panel Note If unit is built in it must be pulled out to change the water pump 3 Disconnect power and ground wires from pump motor 4 Rotate pump body CW and lift up to remove it 5 Reverse to reassemble June 2008 Page 28 SCCG50 amp SCCP50 Service Manual Removal and Repair Evaporator Thermistor Note If unit is built in it must be pulled out to change the evaporator thermistor AWARNING Electrical Shock Hazard Disconnect electrical power before beginning removal ur 1 Shut machine off If unit was making ice manually harvest the ice 2 Disconnect electrical power 3 Remove top panel 4 Remove cover from controller box 5 Disconnect thermistor wire from controller 6 Locate thermistor sensor it is attached to the suction line just above the accumulator and is covered with insulation tape Remove the insulation 7 Disconnect sensor bulb from suction line it s held on with a metal clip 8 Remove thermistor from ice machine 9 Reverse to reassemble It is very
9. correct leak Check compressor start components check PTCR resistance and temperature Check compressor voltage Check compressor windings Hot gas valve leaks through during Check hot gas valve for hot outlet freeze during freeze Check compressor amp draw if low and all else is correct change compressor Cannot make ice Compressor not operating Compressor inefficient June 2008 Page 26 SCCG50 amp SCCP50 Service Manual Service Diagnosis Makes excessive noise Likely Cause Probable Solution EST is bent fan blade Fan blade vibrates Fanmotormountisbroken motor mount is broken Replace motor mount motor mount Compressor vibrates Mounting loose Check mounting Water pump vibrates Pump bearings worn BEES EE pump Panels vibrate Mounting screws loose Tightenserews 000 Screws Makes ice does not harvest Problem Likely Cause Probable Solution Ice wrong size Environment changed Adjust cube size Check voltage to coil when unit is Hot gas valve does not open in harvest check controller indicator light Little heat to evaporator Water temperature very low Adjust harvest time Fan motor does not stop Check voltage replace controller Makes poor quality ice Problem Likely Cause Probable Solution Spray pattern poor Spray jets dirty Clean jets Runs out of water Water leaking from reservoir Correc
10. e SCCG50M 1SU Gravity drain model stainless cabinet July 2008 Page 2 SCCG50 amp SCCP50 Service Manual Cabinet Layout FLOOR DRAIN E ACCESS HOLE 20 3 8 147 8 29 1 4 emm mmm mmm Nee emm A mmm mmm AIR OUT AIR IN 23 4 27 15 SHEET METAL DOOR FRONT 63 MIN CABINET DOOR Or 1 LEG ADJUSTMENT 4 PLACES June 2008 Page 3 9 333 8 MIN mE DRAIN FLEXIBLETUBING 3 8 D PUMP MODEL INCLUDED 5 8 I D GRAVITY MODEL NOT INCLUDED POTABLE WATER INLET 1 4 COMPRESSION FITTING 115V POWER CORD SCCG50 amp SCCP50 Service Manual Air flow The machine takes in room temperature air at the lower right front and forces warm air out the lower left front Restricting the airflow will adversely affect the ability of the ice machine to make ice Control Panel N ice Making Warm Air Out Air Intake Scotsman Ice Systems are designed and manufactured with the highest regard for safety and performance They meet or exceed the standards of agencies like U L ocotsman 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 ocotsman reserves the right to make desi
11. 1785 209 gt 713 2 80090 54 17903 106 5093 158 1752 210 701 3 77607 55 17439 107 4981 159 1719 211 690 4 75210 56 16988 108 4872 160 1687 212 679 5 72896 57 16551 109 gt 4766 161 1655 213 gt 668 6 70660 58 16126 110 4663 162 1624 214 657 7 68501 59 15714 111 4562 163 1594 215 646 8 66415 60 15313 112 4463 164 gt 1565 216 636 9 64400 61 14924 113 4367 165 gt 1536 217 626 10 62453 62 14546 114 4273 166 1508 218 lt gt 616 11 60571 63 14179 115 4182 167 1480 219 606 12 5 99 58152 64 13823 116 4093 168 gt 1453 220 597 13 56995 65 13476 117 4006 169 1427 221 gt 587 14 55296 66 13139 118 gt 3921 170 1401 222 578 5 35 33655 67 12812 119 3838 gt 1375 223 569 16 52065 68 12494 120 3757 172 1350 224 560 17 50529 69 gt 12185 121 3678 173 gt 1326 225 gt 551 18 49043 70 11884 122 ee 3601 174 1302 226 543 19 47607 71 11392 125 39260 175 1279 227 534 20 46217 72 11308 124 3452 176 gt lt 1256 228 526 21 44872 Jas 11031 125 v 3381 177 1234 229 518 22 43571 74 10763 126 3311 178 1212 230 510 23 42313 75 10502 127 3243 17
12. and to measure the conductivity of the water The water sensor consists of two stainless steel probes located in a holder next to the water pump The probes sense the conductivity of the water The higher the mineral content of the water the better it can conduct electricity The control system Pump is capable of sensing water as clean as 10 microSiemens cm If the controller cannot sense water and the bin thermostat is closed the controller will power the inlet water solenoid valve to fill the reservoir The water fill is timed There is a maximum amount of LH EC time allowed from the time the controller turned on the inlet water valve until the water sensor signals Reservoir to the controller That time is 2 minutes If water is Drain not sensed within 2 minutes the controller will not proceed with an ice making cycle Instead it will blink the Water light and try filling the reservoir in 20 minutes A 3 r Freeze Cycle Water Schematic Reservoir water dilution The process of making ice from circulating water causes the pure water to freeze first because it freezes at the warmest temperature The remaining water will develop an increasing concentration of minerals If that mineral concentration were allowed to continue eventually the ice machine would become coated with mineral scale m 7 e de e Ge wo D e To combat the mineral build up the reservoir water is d
13. freeze cycle s timed portion the controller switches to the harvest cycle The harvest cycle begins with the controller stopping the water pump and fan motor At the same time it opens the hot gas valve and the inlet water solenoid valve The ice is released by the combination of discharge refrigerant gas entering the evaporator serpentine and warming up the copper plus the inlet water that flows to the evaporator floods across the plastic platen to warm it up and be pre chilled for the next cycle Ice cubes drop individually and harvest continues until the thermistor attached to the suction line warms up to about 50 degrees F At that point a harvest timer starts whose default time is 20 seconds At the end of that time the harvest cycle ends and the freeze cycle restarts Bin control The machine s on and off modes are regulated by a bin thermostat The cap tube for the bin thermostat is in the tube that holds the scoop The machine will only begin ice making when the thermostat s contacts close If the contacts re open before the temperature of the evaporator drops below a preset point the machine will stop If the temperature is below that point when the contact s open the machine will continue through a complete cycle and stop at the end of the harvest cycle September 2008 Page 19 SCCG50 amp SCCP50 Service Manual Water System The controller uses a Water Sensor to check for the presence of water in the reservoir
14. machine is in a freeze mode perform a manual harvest 2 Remove all ice 3 Drain reservoir 4 Remove service panel and kick plate 5 Remove back panel 6 Disconnect electrical power AWARNING Electrical Shock Hazard Disconnect electrical power before beginning removal ur 7 Disconnect water and drain tubing 8 Remove door 9 Remove top panel 10 Remove controller box cover 11 Disconnect thermistor from controller pull wire back to suction line Thermistor Connector poc y E t 9 E m 12 Remove curtain amp hanger 13 Locate elbows where water flows onto the evaporator platen 14 Pull clip up Push inner elbow back and rotate it until it points straight up then push it back through the hole in the back of the freezing compartment 15 Pull water inlet elbow out of inner elbow June 2008 Page 30 SCCG50 amp SCCP50 Service Manual 18 Remove two screws holding freezing 23 Lift bin assembly off the base compartment brace to cabinet lift brace up Note Prop evaporator assembly up A 3 length of 3 4 PVC tubing with one end inserted into the cup mold and the other against the base will hold it up The hot gas valve fan motor condenser and compressor are now exposed for service 19 Lift evaporator platen up and tilt back enough for bin assembly to clear the base 11
15. zeg Power Supply EMT m Control Panel Connector 7 Ribbon The controller is located at the front of the unit Control Safeties under the top panel No Water If the Water Sensor cannot detect It is powered by a 12 volt transformer It has 5 water and the inlet water solenoid valve has been indicator lights on for the maximum fill time the controller will stop all action and wait 20 minutes to re try water fill Compressor Light is ON if compressor is During this time the Check Water light on the powered control panel will be blinking Water Light is ON if inlet water solenoid valve is powered Maximum Freeze Time If the freeze cycle should Hot Gas Light is ON when Hot Gas Valve is extend to 60 minutes the controller will powered automatically put the machine into a Harvest cycle Fan Light is ON when Fan motor is powered Power Light is ON when power is connected to controller Maximum Harvest Time 6 minutes Time between restarts After the machine has operated and then turned off the controller will not restart the machine for four minutes June 2008 Page 22 SCCG50 amp SCCP50 Service Manual Performance Information Freeze Cycle Minutes Air Temperature 80 70 Water Temperature Harvest Cycle Seconds 100 34 35 32 33 90 33 34 31 32 80 30 31 28 29 70 27 28 25 26 60 24 25 22 23 50 18 19 17 18
16. 42 202 800 47 gt 21569 99 5960 151 2003 203 787 48 20997 100 5826 152 1965 204 774 49 20442 101 5696 153 gt 1927 205 761 50 19903 102 5569 154 1890 206 749 4 1938 103 5446 53 5 amp 1835 207 es 737 June 2008 Page 25 SCCG50 amp SCCP50 Service Manual Service Diagnosis No Ice Problem Likely Cause Probable Solution Check breaker or fuse Reset or No power to unit Power disconnected replace restart and check No power to controller Transformer open Replace transformer Shut down on maximum water fill time water light Water shut off Restore water supply flashing Water leak Check curtain sump Dirty condenser Restricted location intake air too Eliminate restriction have machine hot or blocked moved Evaporator thermistor not sensing eebe Very long freeze cycle Spray jets dirty bie platform and clean Inlet water valve leaks through Check inlet water valve during freeze Low on refrigerant Check cube formation Check for bleed thru from missing Connected to hot water check valve in building water supply Spray pump not pumping Check pump motor Check fan motor check fan blade Fan motor not turning check controller for voltage output Pump hose disconnected Check hose Add access valve add refrigerant Very low on refrigerant as a test If unit makes ice find and
17. 9 1190 231 502 24 41094 76 10247 128 3176 180 1169 232 495 23 39915 77 10000 129 3111 181 1149 233 487 26 38774 78 9760 130 3047 182 1129 234 480 27 gt gt 37669 79 9526 131 2985 183 1109 235 472 28 36600 80 9299 132 2924 184 1090 236 gt gt 465 29 35564 81 9077 133 2865 185 1071 237 458 30 gt 34561 82 8862 134 2807 186 1052 238 451 31 33590 83 8652 135 2751 187 1034 239 444 32 32649 84 8448 136 2696 188 1016 240 438 33 31738 85 8250 137 2642 189 998 241 431 34 30855 86 8056 138 2589 190 981 242 425 35 30000 87 7868 139 2537 191 965 243 gt gt 419 36 29171 88 7685 140 2487 192 948 244 412 37 28368 89 7507 141 2438 193 932 245 406 38 27589 90 7333 142 2390 194 916 246 400 39 26835 91 7164 143 2343 195 901 247 gt 394 40 26104 92 6999 144 2297 196 gt 885 246 gt 389 41 25395 93 6839 145 2252 197 871 249 383 42 24707 94 6683 146 2208 198 856 250 377 43 24041 05 6530 147 2165 199 842 44 gt 23394 96 6382 148 2123 200 828 45 22767 97s 6238 149 2082 201 814 46 22159 98 6097 150 20
18. SCCG50 SCCP50 Service Manual Introduction This ice machine is the result of Scotsman s This manual includes the information needed to decades of experience as an industry leader in the install start up and maintain the ice machine Note design and manufacture of both commercial and any Caution or Warning indicators as they provide residential ice machines notice of potential hazards Keep this manual for future reference Table of Contents June 2008 Page 1 SCCG50 amp SCCP50 Service Manual Specifications This ice machine is designed to be used indoors Options a controlled environment It can be used in wide variety of environmental conditions but there are Door Panel kits Finished door panels are available limits Use outside of the listed limitations is misuse from Scotsman for attachment to the machine or a and will void the warranty custom panel can be made Air temperature limits Kit Number Panel Finish Handle Finish The ice machine will operate adequately within the SECUN ZUG Zune limits but functions best in temperatures between KDFWS White Stainless Steel 70 and 80 degrees F KDFB Black Black e Minimum 50 degrees F 10 C KDFBS Black Stainless Steel Maximum 100 degrees F 38 C KDFS Stainless Steel Stainless Steel Water temperature limits Kickplate Extension In some situations the leg o levelers will be extended enough to become visible Minimum
19. ble Normal cubes are tapered cylinders If the cubes are ragged and mis shaped mineral scale must be removed from the ice making system Maintenance There are 5 things to keep clean 1 The outside cabinet amp door 2 he ice storage bin 3 The condenser 4 The ice making system 5 The ice scoop How to clean the cabinet Wipe off any spills on the surface of the door and handle as they occur If anything spilled on the door or gasket dries onto the surface wash with soap and warm water to remove How to clean the ice storage bin The ice storage bin should be sanitized occasionally It is usually convenient to sanitize the bin after the ice making system has been cleaned and the storage bin is empty A sanitizing solution can be made of 1 ounce of household bleach and two gallons of hot 95 F 115 F water Use a clean cloth and wipe the interior of the ice storage bin with the sanitizing solution pour some of the solution down the drain Allow to air dry June 2008 Page 16 SCCG50 SCCP50 Service Manual How to clean the condenser and winterize Condenser cleaning The condenser is like the radiator on a car it has fins and tubes that can become clogged with dirt and lint To clean 1 Remove the kickplate and front service panel 2 Locate the condenser surface 3 Vacuum the surface removing all dust and lint Caution Do not dent the fins 4 Return the kickplate and front s
20. built up mineral scale can shorten machine life To keep the machine operating properly these impurities or minerals will have to be regularly dissolved by an acid cleaning using Scotsman Ice Machine Scale Remover Directions for this may be found in the section under cleaning Filters and Treatment In general it is always a good idea to filter the water A water filter if it is of the proper type can remove taste and odors as well as particles Some methods of water treatment for dissolved solids include reverse osmosis and polyphosphate feeders RO Water This machine can be supplied with Reverse Osmosis water but the water conductivity must be no less than 10 microSiemens cm A reverse osmosis system should include post treatment to satisfy the R O water s potential aggressiveness Deionized water is not recommended Because water softeners exchange one mineral for another softened water may not improve water conditions when used with ice machines Where water is very hard softened water could result in white mushy cubes that stick together If in doubt about the water contact a local point of use water specialist for recommendations on water treatment Installation Overview The ice machine must be connected to cold potable water be connected to a drain be connected to the proper power supply be able circulate air through the vents at the front Note Do not build in so that the door is recessed
21. ervice panel to their original positions Fasten them to the cabinet using the original screws Winterizing 1 Clean the ice making system 2 Open the door and push and release the On Off switch to turn the machine off 3 Turn off the water supply 4 Drain the water reservoir by removing the rubber cap under the reservoir it s near the back wall of the ice storage bin 9 Disconnect the incoming water line at the inlet water valve 6 Open the door push and release the on off switch to turn the machine on T Blow air through the inlet water valve a tire pump could do the job 8 Drain pump models should have about 1 2 gallon of RV antifreeze propylene glycol poured into the ice storage bin drain Note Automotive antifreeze must NOT be used 9 Switch off and unplug the machine June 2008 Page 17 SCCG50 amp SCCP50 Service Manual How to remove scale from the ice making system 1 Scoop out all of the ice either discard itor save 9 Pour a gallon of hot 95 F 115 F water into itin an ice chest or cooler the bin to flush out the drain 2 Press and HOLD the On off button in for 3 10 Clean the bin liner of mineral scale by mixing seconds until the Green light goes out some ice machine scale remover and hot water and using that solution to scrub the scale off of the liner 11 Rinse the liner with hot water 12 Sanitize the bin interior Press and HOLD the both the Clea
22. gn changes and or improvements at any time opecifications and designs are subject to change without notice June 2008 Page 4 SCCG50 SCCP50 Service Manual Water Quality All water including potable water supplied by municipalities contains some impurities or minerals Water absorbs impurities from the air as rain and or as it flows through the ground Some of the impurities are solid particles these are known as suspended solids and a fine particle filter will remove them Other impurities are chemically bonded to the water molecules and cannot be filtered out these are called dissolved solids Ice made by this machine will have a lower mineral content than the water it was made from This is due to the method of making ice Purer water will freeze first in the ice making molds The reason for this is that anything dissolved in water lowers the water s freezing temperature This concentrates most of the impurities in the ice machine water reservoir where they may form hard deposits known as scale The machine dilutes the concentration of minerals by over filling the reservoir during the harvest cycle with the excess water flowing down the drain s Between 2 and 4 pints of water flow into the unit each cycle Between 1 and 3 5 pints of that rinses the reservoir and goes down the drain Some impurities will inevitably remain and will stick to the parts in the machine and will cause malformed ice cubes Eventually
23. he bottom cross brace to the cabinet Replace the brace with the one supplied loose with the machine Secure it using the original screws 8 Remove the upper hinge and move it to the door s opposite side bottom location Secure using the original screws 9 Remove the original lower hinge and move it to the door s opposite side upper location Secure using the original screws 10 Install a screw removed in step 2 in outermost hole of upper and lower cross braces 11 Attach the door to the cabinet using the original screws 12 Return kickplate and front service panel to their original positions and attach to the cabinet using the original screws Installation Notes Built In Situations If a finished floor is to be installed in the area after the ice machine has been built in shims the expected thickness of the floor should be installed under the unit to keep the machine level with the planned floor level Installations on a slab Use a pump model and pump the water to the point of drainage Pump models will pump 1 story 10 feet high Installations over a crawl space or basement Either gravity drain or pump model units may be used if there is not enough room behind the machine for a drain waste receptacle the drain will have to be below the floor Note When installed in a corner the door swing may be limited due to handle contact with the wall or cabinet face June 2008 Page 9 Installation Water a
24. iluted with fresh water every cycle The controller adds enough water to fill the reservoir and extra water to overfill it The extra water drains out through the standpipe in the reservoir m i Standpipe 2 anim map Eea a The controller keeps the inlet water solenoid valve open until the evaporator temperature set point is reached plus some extra time The extra time is either pre set or automatically determined by the controller Harvest Cycle Water Schematic Y Inlet Water Solenoid Valve June 2008 Page 20 SCCG50 amp SCCP50 Service Manual Components Model SIME Location Iu LT ocoop Thermostat Bracket Control Panel Bin Light and Curtain Evaporator Platen A d d A s Inlet Water Solenoid Valve Condenser and Bin Thermostat June 2008 Page 21 SCCG50 amp SCCP50 Service Manual Controller High Voltage _ Connector 6 Evaporator Thermistor Bin Thermostat Water Sensor G vu ir F Water E T Ne db MES Bin Light A OY 96 Hot Gas 3 dn 5 72 nme T H d E i s Gamm ST Wi m RT m d 17 Sch zi i 4 tones 2 A P SEIN uo 8 H d E 4 did i P 100 E Gr PRODUCTS E CP PH C 11 0573 81 Leen Rev sl l FMW 180022234 OST 11 571 HORA SFTW 3 RM JE von es RI
25. important that the bulb be re insulated Transformer Note If unit is built in it must be pulled out to change the transformer 1 Disconnect electrical power 2 Remove top panel 3 Remove controller cover 4 Unplug leads from transformer 5 Remove screws holding transformer to controller box and pull transformer up and out of the ice machine 6 Reverse to reassemble Controller Note If unit is built in it must be pulled out to change the controller 1 Disconnect electrical power 2 Remove top panel 3 Remove controller box cover 4 Unplug all connections 5 Remove screws holding controller to housing and lift controller from unit Note To avoid damaging the controller touch the metal chassis of the unit prior to touching the replacement controller 6 Reverse to reassemble Control Panel 1 Disconnect electrical power 2 Remove top panel 3 Remove controller box cover 4 Unplug ribbon cable connection 5 Push control panel away from the front of the machine Begin at the ribbon cable attachment point Note Control panel is held on by adhesive and the adhesive is thinnest at the cable point 6 Separate control panel from controller box and remove from the ice machine T Reverse to reassemble June 2008 Page 29 Removal and Repair Cabinet Removal SCCG50 amp SCCP50 Service Manual Certain components require the removal of the cabinet for repair access 1 If the
26. kinks and slope to the building drain Air gaps are typically required by local code 1 Place the ice machine in front of the installation opening Adjust leveling legs to the approximate height 2 Remove the front service access panel and the upper back panel Note If you are connecting a gravity drain model and the drain opening has been located in the floor under the base pan according to the pre install specifications follow steps 3 through 5 to drain the unit through the base If not proceed to step 6b 3 Remove the clamp and barbed elbow and take off the plastic cover in the base pan below the drain hose 4 Connect a straight 5 8 barbed connector to the drain hose securing with the clamp removed in step 4 5 Cut an 8 piece of 5 8 ID X 7 8 OD tygon clear plastic tubing Slide one end of the tube onto the outlet of the barbed connector and secure with a clamp Leave the other end of the tube lying on the floor of the base pan until the unit is positioned over the floor drain 6 Route the drain tube Either a Insert the drain tube through the base pan into the floor drain or b Route the drain tube through the left hole in the lower back panel and connect to barbed elbow and secure with a clamp 7 Reinstall the upper back panel 8 Reinstall the service access panel Level the unit Drain Hose Drain Hose Route to building drain Barbed Elbow Water Inlet Tube field supplied
27. loop of tubing on the right side as a holder The machine can be shut off anytime by just pushing and releasing the On Off button The machine will shut off at the end of the next cycle To shut off immediately push and hold the On Off button in until the machine stops What shouldn t be done Never keep anything in the ice storage bin that is not ice Objects like wine or beer bottles are not only unsanitary but the labels can slip off and plug up the drain Never allow the machine to operate without regular cleaning The machine will last longer if it is kept clean Regular cleaning should happen at least once per year and preferably twice Some water conditions will dictate even more frequent cleaning of the ice making section and some carpets or pets will dictate more frequent cleaning of the condenser Note The Time to Clean light will switch ON after 6 months of use It will remain ON until the ice making system is cleaned using the process on page 13 Noise The ice machine is designed for quiet operation but will make some noise during the ice making cycle During a freezing cycle it is normal to hear the fan moving air and the water pump circulating water Ice hitting the bin or ice in the bin can be heard during harvest If ice making noise is objectionable an appliance grade timer can be added to the power supply Set the timer to turn the machine off at the time s of day when the noise is most objectiona
28. mp Drain SCCG50 amp SCCP50 Service Manual The recommended water supply tubing is inch OD copper Stainless steel flex or reinforced PVC tube may also be used Install an easily accessible shut off valve between the supply and the unit This shut off valve should not be installed behind the unit Note Do not use self piercing type valves 1 Remove the front service panel Securing Front Service Panel 2 Route the tubing through the right hole in the back to the inlet water solenoid valve inlet 3 Install a compression fitting on the tubing and connect to the inlet of the solenoid Drains There are two types of ice machine models one that drains by gravity and one that has an internal drain pump Drain Pump Model drain installation 1 Locate the coil of 3 8 ID plastic drain tubing secured to the back of the unit 2 Route the plastic drain tube from the back of the unit to the drain connection point IMPORTANT NOTE Often an air gap is required by local codes between the ice maker drain tube and the drain receptacle V Drain Tube Route to building drain Water Inlet Tube field supplied Back View Drain Pump Model June 2008 Page 10 SCCG50 SCCP50 Service Manual Gravity Drain Caution Restrictions in the drain system to the machine will cause water to back up into the ice storage bin and melt the ice Gravity drain tubing must be vented have no
29. n Reset and 43 Replace the ice removed in step 1 On Off buttons for 5 seconds The Time to Clean light will blink on and off 14 Push and release the On Off button to restart ice making 4 Pour 8 ounces of Scotsman Ice Machine Scale Remover available from a local Scotsman The ice scoop should be washed regularly wash it Distributor or Dealer into the ice machine just like any other food container reservoir Scotsman Pour Scale Remover Here 5 Operate the machine for about 75 hour 6 Push and release the On Off switch The machine will begin to flush out the cleaning solution 7 Operate the machine for another 75 hour 8 Push and release the On Off switch machine will stop the cleaning process June 2008 Page 18 SCCG50 amp SCCP50 Service Manual System Information Overall Refrigerant 8 oz R 134a Compressor Hermetic 1300 BTUH X HP Condenser Forced draft Fan blade 5 blade 7 inch Evaporator Inverted 24 cube cells Copper cups attached to continuous serpentine Metering device Cap tube Defrost method Hot gas bypass with water assist e Spray method 6 water jets e Water charge 40 ounces e Water valve 115 volt solenoid 19 GPM Water fill time Varies with harvest time amp purge setting e Spray pump Pedestal type Drain pump Magnetic drive controlled by pressure switch Purge method Overflow standpipe Control method Electronic
30. n button to select that setting 7 Push and release On Off to return to ice making June 2008 Page 14 SCCG50 amp SCCP50 Service Manual Control Settings Automatic water purge enable disable The control is set at the factory to automatically select the proper amount of water purge If desired that can be disabled and a typical purge amount used To disable Automatic purge selection 1 Press and hold the On Off button until the unit shuts off No lights should be on 2 Press and hold the ON button for 5 seconds then release 3 Wait between 5 and 20 seconds then repeat step 1 All lights will flash once To return to Automatic purge selection 1 Press and hold the ON button for 5 seconds then release 2 Wait between 5 and 20 seconds then repeat step 1 All lights will flash twice Manual Harvest from the OFF or Standby Mode powered but no lights are on 1 Press and hold the Clean Reset button for 5 seconds and release 2 Wait between 5 and 20 seconds then repeat step 1 All lights will flash once The On Off light will be on until harvest has timed out Reset time to clean indicator light Press and hold the Clean Reset button for 3 seconds June 2008 Page 15 Use SCCG50 amp SCCP50 Service Manual No special instructions are needed for use Just take as much ice as you need the machine will replace it A scoop is provided and it can be stored in the machine using the
31. t leak High TDS water supply Groundwater supply Treat water Makes ice but melts rapidly Problem Likely Cause Probable Solution Restricted drain Gravity drain hose has air block Check for kinks or traps Pump model switch not starting Check replace switch pump Pooled water in bin June 2008 Page 2 Removal and Repair SCCG50 amp SCCP50 Service Manual Bin Thermostat 1 Disconnect electrical power AWARNING Electrical Shock Hazard Disconnect electrical power before beginning removal ur 2 Remove service panel 3 Remove back panel Note If unit is built in it must be pulled out to change the bin thermostat 4 Pull cap tube out from the back of the ice storage bin and cap tube holder 5 Remove two screws and the bin thermostat contact section from its mounting bracket 6 Disconnect two wires from the bin thermostat contact section and remove the thermostat from the ice machine T Reverse to reinstall Inlet Water Solenoid Valve 1 Disconnect electrical power 2 Remove service panel 3 Shut water supply OFF 4 Disconnect inlet water supply tube from inlet water solenoid valve 5 Unplug wire harness from valve coil 6 Remove two screws holding valve to chassis 7 Squeeze hose clamp larger and push away from solenoid valve outlet 8 Pull hose from outlet of valve 9 Reverse to reassemble Curtain 1 Shut unit off 2
32. t the machine The Ice Making light next to the On Off switch will glow Green 4 Water will begin to flow into the unit When the reservoir is full water will start to drain from the machine After a few minutes the compressor water pump and fan motor will begin to operate and the first ice making cycle will have begun No adjustments are needed After about a half hour ice will fall into the ice storage bin The machine makes 24 cubes per batch It is normal for the first batches of ice to melt that continues until the bin has cooled It will take 8 to 10 hours of continuous run time to fill the ice bin When the bin is full of ice the ice machine will shut off It will automatically restart when the ice level falls either from use or normal meltage June 2008 Page 12 SCCG50 amp SCCP50 Service Manual Cube Size Adjustment The cube size can be adjusted by changing the amount of freeze cycle time This is done by a Side Views of Cubes button press sequence Note There is only one correct cube size See the illustrations To adjust cube size 1 Shut the machine off If it s off on bin full press and release the On Off button once switching the Ice Making light off If the machine is making ice Too Small Adjust Cycle Longer hold the On Off button in until the Ice Making light is off 2 Press and hold the Clean button for 5 seconds light on then release light out 3 View the lights Compare to
33. the table below Cube Size Change Table On Off Just Right Default Add 1 minute Add 2 minutes Add 3 minutes Add 4 minutes 1 minute 2 minutes 3 minutes 4 minutes Too Large Adjust Cycle Shorter 4 Select the amount of change 5 Push and release the On Off button until the correct light pattern is displayed 6 Push and release the Clean button to select that setting 7 Push and release On Off to return to ice making June 2008 Page 13 Harvest Time Adjustment SCCG50 amp SCCP50 Service Manual The harvest time can be adjusted so that all the ice harvests during the cycle plus a few seconds extra This is done by a button press sequence Note Do not set harvest time shorter than the actual time it takes to release all the cubes To adjust Harvest Time 1 Shut the machine off by holding the On Off button in until it shuts off Ice Making light off 2 Press and hold the On button again for 5 seconds then release Ice Making light will switch off 3 View the lights Compare to the table below Harvest Time Table On Off Default off Add 10 seconds on Add 20 seconds Add 30 seconds Add 40 seconds 10 seconds 20 seconds 30 seconds 40 seconds 4 Select the amount of change 5 Push and release the Clean button until the correct light pattern is displayed 6 Push and release the O
34. uctions Drawing assumes top of panel will be flush with top of door Measure hole locations from the top of the panel 9 Drill pilot holes for wood screws Use drill stop to prevent drilling through the panel 13 32 10 Mount panel to door using wood screws or supplied panel mounting screws Note When installed Ice machine must be adjusted for height to position top of door to desired clearance 13 9 16 625 32 81 4 41 8 30 3 8 29 3 8 Centerline 147 8 June 2008 Page 8 SCCG50 amp SCCP50 Service Manual Door swing change The door can be attached to open with hinges on the left or right using new brackets shipped loose in the ice bin Retain all screws for re use To change 1 Remove innermost screw holding each hinge to cabinet loosen the other 2 Slide hinges to the side and remove door from cabinet Remove screws loosened in step 1 from both hinge brackets 3 Remove two screws securing top panel to back pull top panel back and remove from cabinet Door Hinge 4 Remove two screws at Bracket the top and lift the door rein 120K hinge bracket out of the cabinet Replace with the one supplied loose with the machine Fasten it to the cabinet using the original screws 5 Return the top panel to the cabinet and fasten it with the original screws 6 Remove kickplate and front service panel 7 Remove two front screws and two bottom screws holding t
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