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Service Manual - Scotsman Ice Systems

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1. 3 Removing the water shed amp unscrewing the breaker cover left hand threads 2 Unscrewing the ice sweep Inspect the top of the bearing When new the grease is white over time some gray will appear over the rollers that is normal Add grease to replace the gray grease or if gaps between rollers are visible If grease is watery all gray or rust is visible have the bearing replaced See the next page for more information Note When checking the top bearing always inspect the drip pan for water seal leaks If water is present in the drip pan service the water seal and check the gear reducer s lubricant See the next page December 2014 Page 37 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Bearing Service This task should only be done by a qualified service technician If the grease is uniformly white no further action is needed If very gray rusty wet or has any embedded metal have the bearing replaced If the bearing only needs grease or to confirm the quality of the grease low in the bearing inject grease into the lower part of the bearing using Scotsman grease needle pn 02 3559 01 and Scotsman bearing grease cartridge pn A36808 001 Be sure to inject grease evenly and thoroughly Needle part number 02 3559 01 Change De Scale Notificati
2. E 12 Refrigeration Remote Condenser 1 Page 13 Remote Condenser Location Limits uus uua s pra Page 14 For The Installer Remote Page 15 Precharged Line Routing Remote Page 16 Coupling Instructions Remote Only d oq e RE XR israel Page 17 Water Remote Models emergere ia dm ia Page 18 I Im Page 19 Controller 3423 ohn okie Ge erigere ded Sek ease eee seen sae eee kes Page 20 AutoAlert and Display Code iude rre deron daos dieta dread ERES E RE ERES Page 21 Component Indicator Lights 3 3 23 x exe 24 ra tone dioi rat ued Page 22 Electrical Component Details Page 23 oe Seana pees AES Page 24 Sequence of od iaia Page 25 Refrigeration System elet Reef Page 26 December 2014 2 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Water SVC HT SEE Page 27 Air Cooled Refrigeration de Reed SR EE RR REA ERG pente Page 28 Water Cooled Page 29 Remote Air Cooled Refrigeration gt ce doe ch eee
3. AIR COOLED 24 00 DRAIN BACK VIEW LEFT SIDE VIEW 4 1 59 55 217 December 2014 8 55 9 2200 i 318 12 50 ULTRA SONIC BIN LEVEL SENSOR OPTIONAL g 2400 PLAN VIEW _ REF 419 16 50 ICE DROP 74 OPENING 29 741 281 165 6 48 Dos _ 430 577 22 70 A C UNI 55 9 22 00 FRONT VIEW LOUVER AND REMOVABLE FILTER ITS ONLY N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual N0922 F1222 N1322 F1522 D Cabinet Layout 88 DIA ELECTRICAL ACCESS r 3 8 FLARE T5 MACHINE 4 5 S 3 8 FPT CONDENSER WATER INLET Du Jd f 472 18 59 392 34 Ln 1544 13 39 u 68 9 MI S 2 67 337 458 3 18 05 gt 1 2 FPT DRAIN 50 3 8 CONDENSER 19 80 DRAIN an ta WATER COOLED 155 BACKVIEW 247 88 DIA ELECTRICAL ACCESS 3 8 FLARE Tex MACHINE La WATER INLET ET N NI 473 18 64 E 34 13 39 68 Ape 267 a 5 T 3 4 DRAIN ia AIR COOLED 159 TT BACK VIEW 88 DIA ELECTRICAL COND ACCESS ruri DISCHARGE LINE N 7 1 2 CPLG 3
4. ELECTRICAL ACCESS 3 8 FLARE MACHINE WATER INLET 431 1864 C 23 2400 AIR COOLED LEFT SIDE VIEW BACKVIEW 162 December 2014 Page 7 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual N0422 F0522 N0622 F0822 D Cabinet Layout JE EO INIHI REMOTE COND REMOTE COND CONNECTION LIQUID LINE DISCHARGE LINE 3 8 1 2 MALE CPLG i 3 8 FLARE 3 8 FPT 7 LI MACHINE CONDENSER p WATER 1 WATER a RN 88 DIA di bi Sa ELECTRICAL m A cu 1 CONNECTION 4 gt TI 48 17 394 371 18 88 14 55 5 1540 1460 i 314 a 12 35 315 uy 12 40 4 67 S TR 8 5 s o 2 63 ji 20171 3 33 6 8 4 s s 1 2 68 2 446 M z E 3 4 17 55 oa FPT 7 4 DRAIN 49 CONDENSER 3 4 FPT 159 COOLED 19 31 DRAIN DRAIN BACK VIEW 4 55 cn 159 551 WATER COOLED 217 217 BACK VIEW 188 _ 222 740 88 DIA 28 J ELECTRICAL 10 94 ACCESS f 3 8 FLARE e MACHINE 74 WATER INLET 58 5 23 00 372 ls 14 65 315 1240 1 68 5 i 611 24 3 4
5. Horizontal Run hd x 1 hd distance in feet Calculation Drop s Rise s Horizontal Run dd rd hd Calculated Line Length Configurations that do NOT meet these requirements must receive prior written authorization from Scotsman to maintain warranty Do NOT Route a line set that rises then falls then rises Route a line set that falls then rises then falls Calculation Example 1 The condenser is to be located 5 feet below the ice machine and then 20 feet away horizontally 5 feet x 6 6 33 33 20 53 This location would be acceptable Calculation Example 2 The condenser is to be located 35 feet above and then 100 feet away horizontally 35 x 1 7 59 5 59 5 100 159 5 159 5 is greater than the 150 maximum and is NOT acceptable Operating a machine with an unacceptable configuration is misuse and will void the warranty rd Max 35 feet Remote Condenser located Condenser Distance amp above ice machine Location Schematic dd Max 15 feet Remote Condenser located below ice machine December 2014 Page 14 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual For The Installer Remote Condenser Locate the condenser as near as possible to the interior location of the ice machine Allow it plenty of space for air and cleaning keep it a minimum of two feet away from a w
6. Re med Page 30 How lce Is Made cad Eee eels a RE ee Kom ROR ERS ES Page 31 Technical aeq pP PC idea atte Page 32 Heat Load Charge and Condenser Page 33 Refrigeration System Pressures Page 34 Maintenant osasia re aaa adi irta i Page 35 Maintenance Scale Removal 3232 ac Qux TERES 065565 Hh ads pe ERI Page 36 Maintenance Check Bearing lt a e A Page 37 5 22522 5 TETTE Page 38 Maintenance Sensors ili ERRATE Rari Page 39 Service Diagnosis Air Page 40 service Diagnosis Water Cooled 2 sessi kok Rhee ee ie Page 41 Service Diagnosis Remote Air Cooled Page 42 Service Diagnosis Remote Air Cooled Page 43 Service Diagnosis Refrigeration System Page 44 Service Diagnosis Optional Ice Level 1 6 Page 45 Eo 335 Ri AIRES iii ei Page 46 Options Bin Thermostat 47 Repair Procedures Bearing And Page 48 Repair Proc
7. Sealant such as 732 RTV or Scotsman part number 19 0529 01 on the area of the auger where the water seal is to be mounted 5 Carefully push the water seal rubber side against the auger shoulder and the silastic sealant Do not get any sealant onto the face of the seal 6 Allow the auger and seal to air dry until the sealant is dry on the surface T If the original water seal was leaking it would be a good idea to inspect the interior of the gear reducer December 2014 Page 51 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Repair Procedures The gear reducer Assuming that the procedures through removal of the the cover onto the lower case cover will have to be water seal have been performed moved closer to the second gear after the output gear WARNING has cleared the second gear top bearing A WARNING 5 After the case is together and the locating pins are Electrical Shock Hazard secure in both ends replace all cap screws Disconnect electrical 6 Bench test the gear reducer check for oil leaks power before beginning noise and amp draw 1 Remove the electrical wires from the gear drive motor 2 Unscrew the 4 cap screws holding the gear reducer to the ice machine 3 Remove the gear reducer from the icemaker To Inspect the gear reducer 1 Remove the cap screws holding the gear reducer case halves together and pry the two cases apart 2 To li
8. The compressor concentrates the heat from ice making into high pressure hot discharge gas The high pressure forces the gas to the water cooled condenser At the condenser refrigerant gas flows through a serpentine tube that is connected to fins Room air is forced by a fan motor through the fins As the relatively cooler air comes in contact with the fins and tubing heat flows from the hot refrigerant gas into the fins and tubing and into the cooler air passing over them When the refrigerant cools it condenses into a liquid From the condenser the high pressure liquid refrigerant flows through the liquid line to the metering device a thermostatic expansion valve At the expansion valve liquid refrigerant passes from a high pressure zone to one of relatively low pressure and in the low pressure zone it evaporates N N FN N FN FN N FS II U I U UV Air Cooled Condenser Discharge Line Suction Line The low pressure zone where the refrigerant evaporates is the evaporator The evaporator is a vertical metal tube surrounded by a coil of tubing which the refrigerant flows through As refrigerant evaporates in the coil it absorbs heat from the metal parts of the evaporator and the water inside it As the auger inside the evaporator turns ice is continuously forced out of the evapor
9. While the machine will operate satisfactorily within the listed air and water temperature limits it will produce more ice when those temperatures are nearer the lower limits Avoid locations that are hot dusty greasy or confined Air cooled models need plenty of room air to breathe Air cooled models must have at least six inches of space at the back for air discharge however more space will allow better performance Airflow Air flows into the front of the cabinet and out the back The air filters are on the outside of the front panel and are easily removed for cleaning Options Side air flow kits KPFSA223 or KPFSA227 are available for air cooled models A filter kit for the remote condenser is KERCF Ice is made until it fills the bin enough to block an infrared light beam inside the base of the machine A field installed kit is available to adjust the maintained ice level lower The kit number is KVS The standard controller has excellent diagnostic capabilities and communicates to the user through the AutoAlert light panel seen through the front panel Field installed kits are available that can log data and provide additional information when the front panel is removed The kit numbers are KSBU and KSB NU See page 21 Bin compatibility All models have the same footprint 22 inches wide by 24 inches deep Confirm available space when replacing a prior model Bin amp adapter list B322S no
10. 1250 ULTRA SONIC BIN LEVEL SENSOR OPTIONAL 2400 REF LOUVER AND REMOVABLE FILTER AICUNITS ONLY 5 ICE DROP OPENING REMOTE COND DISCHARGE LINE 1 2 MALE CPLG 88 DIA REMOTE COND ELECTRICAL LIQUID LINE CONNECTION 3 8 MALE CPLG p 3 8 FPT 3 8 FLARE MACHINE CONDENSER WATER INLET 88 DIA ELECTRICAL CONNECTION REMOTE COOLED BACKVIEW 17 55 pd CONDENSER yit DRAN DRAN 1931 L4 158 WATER COOLED 3 BACKVIEW 2n ELECTRICAL ACCESS 3 8 FLARE MACHINE WATER INLET 372 1465 soi AIR COOLED Ca 23 DN BACK VIEW 2400 85 LEFT SIDE VIEW 5 217 December 2014 Page 6 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual N0922 F1222 N1322 F1522 Cabinet Layout 559 22 00 REF 1250 ULTRA SONIC BIN LEVEL SENSOR OPTIONAL Za LOUVER AND su REMOVABLE FILTER A CUNITS ONLY 11 2g FRONT VIEW 430 88014 88 DIA ELECTRICAL REMOTE COND REMOTE COND ACCESS LIQUID LINE DISCHARGE LINE 3 8 CPLG 12 PIG ELECTRICAL ESS 3 8 FLARE MACHINE WATER 3 8 FLARE MACHINE WATER INLET 3 8 FPT CONDENSER WATER INLET C 555 4 21 4 1 ng 1859 1859 921 1544 3 4 RT 127 DRAN CONDENSER DRAN REMOTE COOLED 9 WATER COOLED BACKVIEW BACKVIEW 217 1093
11. Connect the water cooled water supply to the condenser inlet Note Do NOT filter water to the water cooled condenser circuit Connect the drain tube to the condensate drain fitting Connect the water cooled condenser drain tube to the condenser outlet Do not Tee ice machine drains into the drain tube from the ice storage bin or dispenser Back ups could contaminate and or melt the ice in the bin or dispenser Follow all local and national codes for tubing traps and air gaps Water Inlet Connection U Drain Connection Condensate gt Drain Tube Air Cooled or Remote Plumbing Water Inlet Connection Drain Connection Condensate Drain Tube N Condenser Inlet Connection Condenser in Tube Water Cooled Plumbing December 2014 Page 11 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Electrical The machine does not include a power cord one Electrical power is connected to wires inside the must be field supplied or the machine hard wired to junction box in the back of the cabinet Use a strain the electrical power supply The junction box for the relief and connect a ground wire to the ground screw electrical connection is on the back panel Do not use an extension cord Refer to the dataplate on the machine for minimum circuit ampacity and determine the proper wire size for the ap
12. 8 FLARE fr 1 NO WATER mr 9 adi E in 21 472 18 59 34 5 si 13 39 68 5 26 P z i m 40 Pau EPT 189 DRAIN 55 2 17 j 188 REMOTE COOLED 739 BACK VIEW O 278 1093 n 168 6 2700 61 23 24 00 91 LEFT SIDE VIEW December 2014 Page 9 55 5 559 hi 22 00 REF 318 i 12 50 ULTRA SONIC BIN LEVEL p SENSOR 7 OPTIONAL Me 611 24 00 REF PLAN VIEW 419 16 50 ICE DROP 74 OPENING 292 71 281 165 L 6 48 __ noo 430 57 7 22 70 LOUVER AND Pd REMOVABLE FILTER A C UNITS ONLY 55 9 22 00 FRONT VIEW N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Unpacking amp Install Prep Place on Bin or Dispenser If reusing an existing bin be sure that the bin is in good shape and that the gasket tape on the top is not torn up Water leaks not covered by warranty could result from a poor sealing surface If installing a remote or a remote low side a new bin is recommended due to the high cost to the user of replacing an old bin when a remote system is on top Install the correct adapter following the directions supplied with that adapter Hoist the machine onto the adapter Note The machine is heavy Use of a mechanical lift is recommended Positio
13. Check local codes a separate hole may be required for the electrical power supply to the condenser Caution Do NOT kink the refrigerant tubing while routing it 3 Route the refrigerant tubes thru the roof opening Follow straight line routing whenever possible 4 Excess tubing may EITHER be coiled up INSIDE the building OR cut out prior to connection to the ice maker and condenser If the excess tubing is cut out after re brazing the tubing must be evacuated prior to connection to the ice maker or condenser If the excess tubing is to be coiled spiral it horizontally to avoid excess trapping in the lines 5 Have the roofing contractor seal the holes in the roof per local codes Power Supply to Condenser To Remote is Condenser gt Potable Water Supply Condensate Drain d December 2014 Page 16 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Coupling Instructions Remote Only The couplings on the ends of the pre charged line 6 Continue tightening the swivel nut until it bottoms sets are self sealing when installed properly out or a very definite increase in resistance is felt no threads should be showing Follow these instructions carefully These steps must be performed by an EPA Certified Type Il or higher technician Initial Connections 1 Remove the protector caps and plugs Wipe the s
14. No water Restore water check filters water level and sensor Status light is off Push and release ON switch Code 1 No ice sensed Check for ice flow down chute if very slow or no ice being made check for refrigeration system failure Check auger motor for power if no power check controller component indicator light If there is power to the motor check motor windings many amps controller shut unit off or auger bearings Bin Eyes Blocked light is On No ice in the chute Check position of sensors check sensors for scale build up Code 4 Refrigeration system over Check water flow to condenser or under pressure check for proper flow of water into evaporator check refrigerant charge Code 4 Chute thermostat opened Unit overfilled check photo eye system Everything is in operation but no Check water regulating valve refrigeration effect Check TXV superheat Check refrigerant charge Optional bin thermostat is open Check thermostat or jumper wire on blue wires to 5 amp 6 Optional ultrasonic system set too Adjust selector switch to a higher low position Optional ultrasonic system senses Check sensor for proper false bin full installation and operation Low ice making capacity Scale build up Remove scale from evaporator and water system Restricted water to evaporator Check for air bubble in hose change reservoir if found High discharge pressure Check water regulating valve Expansion valve superhea
15. a bucket Return the hose to its original position Discard or melt all ice made during the previous step To sanitize the water system mix a locally approved sanitizing solution An example of a sanitizing solution is mixing one ounce of liquid household bleach and two gallons of 95 115 degree F water Pour the sanitizing solution into the reservoir Push and release the On button Switch the water supply to the ice machine on Operate the machine for 20 minutes Push and release the Off button Wash the reservoir cover in the remaining sanitizing solution Return the reservoir cover to its normal position Melt or discard all ice made during the sanitizing process Wash the inside of the ice storage bin with the sanitizing solution Push and release the On button Return the front panel to its original position and secure with the original screws Note If the reservoir is not kept full during step 10 the scale removal process will be incomplete and the de scale light will remain on December 2014 Page 36 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Maintenance Check Top Bearing This task should only be done by a qualified service technician The bearing in the breaker should be checked at least two times per year Check the bearing by 1 Removing the bail clamp and ice chute cover Bail Clamp
16. control system uses the photo eyes to confirm ice making As the machine makes ice the falling ice causes breaks in the infrared beam In operation the first 6 minutes of ice making are ignored to give the machine time to start producing ice After that the controller will look for a minimum of one beam break in 10 minutes If this is not achieved the control will shut the machine down for 10 minutes and add the incident to a strike counter During the wait period a 1 will be flashing in the code display After the 10 minute wait the machine will restart If no ice is sensed three times in a row the machine will shut down on a no ice error and must be manually reset The 1 in the code display will change from flashing to continuous If ice is detected within 10 minutes after any restart the strike counter will be reset to zero and the code display will show F for freeze mode The auger drive motor amperage is monitored by the controller If the auger motor is overloaded and is drawing too many amps the controller will shut the machine off and a 2 will be flashing in the code display The controller will attempt a restart of the auger motor in 4 minutes If during the first 60 seconds after restart the auger motor current stays within limits the compressor is restarted and the machine returns to normal operation If the auger motor s current is excessive within 60 seconds after the restart the process will be repeated once mo
17. gt The low pressure zone where the refrigerant evaporates is the evaporator The evaporator is a vertical metal tube surrounded by a coil of tubing where the refrigerant flows through When the refrigerant evaporates in the coil it absorbs heat from the metal parts of the evaporator and the water inside it As the auger inside the evaporator turns ice is continuously forced out of the evaporator and make up water flows in From the evaporator the refrigerant carrying the heat from ice making flows back to the compressor through the suction line and the cycle continues 4 XV N Evaporator aT 0000000001 Compressor Refrigeration Schematic December 2014 Page 29 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Remote Air Cooled Refrigeration The compressor concentrates the heat from ice making into high pressure hot discharge gas The high pressure forces the gas to the remote condenser At the remote condenser the discharge gas will either enter the coils or bypass them through the headmaster The head master maintains a minimum discharge pressure to keep flash gas out of the liquid line From the condenser refrigerant flows to the receiver It can be either liquid or gas dependi
18. ice machine drains into the drain tube water There is a single 3 8 male flare potable water from the ice storage bin or dispenser Back ups connection on the back panel could contaminate and or melt the ice in the bin or dispenser Be sure to vent the bin drain Backflow Follow all local and national codes for tubing traps The design of the float valve and reservoir prevents and air gaps potable water backflow by means of a 1 air gap between the reservoir s maximum water level and the float valve water inlet orifice Drain There is condensate drain fitting at the back of the cabinet Attach Tubing 1 Connect the potable water supply to the potable water fitting 3 8 OD copper tubing or the equivalent is recommended 2 Change the cartridge on the existing water filter if any present 3 Connect the drain tube to Na La e FR the condensate drain fitting Potable Water Use rigid tubing Connection i 4 Vent the drain tubing between the ice machine and the building drain Drain Vent Condensate Drain December 2014 Page 18 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Final Check List After connections 1 Wash out the bin If desired the interior of the bin could be sanitized 2 Locate the ice scoop if supplied and have it available for use when needed 3 Remote only Switch on the electrical power to warm up the
19. the low pressure control for a Remote is a pump down switch and when it opens the compressor stops and no change is noted by the controlle Pushing and releasing the On button starts the machine The sequence of operation begins with ater Water must be sensed or the controller will not start the ice making process If there is no water a 3 will show it the code display If there is water and there is nothing blocking the infrared beam of the ice sensors the controller will start the machine A flashing F will show in the code display while the auger drive motor starts up When it has started the compressor will start and the flashing F will change to a continuous F This continues until the ice level control senses a full bin at that time the compressor is shut off and the auger motor continues to operate or a short time to clear the evaporator of any left over ice A b will show in the code display Indicator Lights amp Their Meanings De Scale amp Sanitize Steady Green Blinking Green Self Test Failure Switching on or off When Smart Board used machine attention recommended Blinking Red Diagnostic shut Lack of water down Yellow Time to descale and sanitize Blinking Yellow fin Cleaning Mode Light Off Switched to Off December 2014 Page 26 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Water System Water enters the machine through the
20. 0622 0822 0922 or F1222 230 single or three phase N1322 or F1522 230 single or three phase Components Motor 115 volt or 230 volt versions 1 4 HP split phase Gear Case Aluminum die cast service part has no bearings First gear Phenolic for noise suppression Pressed on ball bearing Second gear Steel Pressed on ball bearing Output gear Steel pressed shaft and bearings Supplied with gear case cover Output shaft Provides engagement to auger uses centering pin for auger alignment Supplied with gear case cover Input or motor shaft seal Labyrinth type with o ring to seal rotor bearing to cover Output shaft seal Lip seal supplied with gear case cover December 2014 Page 32 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Heat Load Charge and Condenser GPM Heat Load Average heat load for air conditioning Refrigerant Charge unit sizing mx om p F0522A mx om p F0522W F0822A F0822W Water Cooled Water Use Condenser Only N0622R F0822R Water Temp ambient F0522W F0822W BTUH N0422 F0522A 5000 N0622 F0822A 7100 N0922 F1222A 10500 N01322 F1522A 16000 F1222A 32 TE F1222W 32 N0922A F1222A 3 2 2 N0922W 2 F1222W 3 2 2 3 0922 F1222A TERT N0922 68 50 F water 76 70 F water F1222W N01322 32 50 F water 59 70 F water F1522W N0922W 8 F1222R F1522A F1522W F1
21. 3 8 male flare at the rear of the cabinet goes to the water reservoir which it enters through the float valve The float valve maintains a constant level of water in the reservoir and evaporator as water flows out the bottom of the reservoir tank to fill the evaporator Reservoir overflow or evaporator condensation is routed to the drain Water cooled models have a separate water circuit for the cooling water it nters the fitting at the rear goes to the water regulating valve then to the water cooled condenser and down the drain Water Level N Condensate Pan Water Level The correct water level should be checked when the machine is making ice Check the water level in the reservoir and compare it to the horizontal line molded into the side of the reservoir The correct level should be between 1 8 above and 1 4 below the line If needed bend the float arm up or down to adjust the water level Note Water sensor moved to reservoir in 2012 water inlet hose and reservoir revised in 2013 and 2014 Float Valve Water Sensor Water Inlet to Evaporator Water System Schematic December 2014 Page 27 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Air Cooled Refrigeration
22. 522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Auger and Evaporator Inspection The auger must be carefully inspected for wear and scale The wear areas are the top bearing surface drive junction and the edges of the flights The edges of the auger have horizontal serrations and there are highly machined areas in between If the auger has contacted the evaporator wall it will have very rough flight edges and should be replaced Scale forms on the auger during normal ice making If scale is still on the auger after cleaning in the ice machine the scale can be removed using ice machine cleaner and a nylon scrub pad Inspect the auger the critical areas of the auger are 1 The auger body It should be clean and shining Sometimes an auger will appear clean when wet but after it is dry it will be seen to be stained Scrub the auger with ice machine cleaner and hot water Caution Ice machine cleaner is an acid Handle it with extreme care keep out of the reach of children 2 The water seal area Because the auger has been removed the water seal will have to be replaced Remove the water seal top half from the auger and remove any sealant or debris from the shoulder of the auger where the water seal was Inspect the evaporator s interior The interior is stainless steel that should be bright and shiny when dry If it isn t the scale on the surface must be removed To remove scale 1 Remov
23. 522R 14 11 14 11 19 0 0 2 2 19 4 18 19 December 2014 Page 33 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Refrigeration System Pressures Refrigeration system pressures of continuous flow ice machines do not vary a great deal while in operation They will vary by model condenser type and ambient pF 0 December 2014 Page 34 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Maintenance This ice machine needs five types of maintenance Air cooled and remote models need their air filters or condenser coils cleaned regularly All models need scale removed from the water system All models require regular sanitization All models require sensor cleaning All models require a top bearing check Maintenance Frequency Air filters At least twice a year but in dusty or greasy air monthly Scale removal At least twice a year in some water conditions it might be every 3 months Sanitizing Every time the scale is removed or as often as needed to maintain a sanitary unit Sensor Cleaning Every time the scale is removed Top bearing check At least twice a year or every time the scale is removed Maintenance Air filters 1 Pull air filter s from panel 2 Wash the dust and grease off the filter s 3 Return it them to their original position s Do not operate the machine without the f
24. Adjust selector switch to a higher low position Optional bin thermostat is open Check thermostat or jumper wire on blue wires to 5 amp 6 Optional ultrasonic system senses Check sensor for proper false bin full installation and operation December 2014 Page 42 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Service Diagnosis Remote Air Cooled Symptom Probable Cause Possible Correction Low ice making capacity Scale build up Remove scale from evaporator and water system Restricted water to evaporator Check for air bubble in hose to evaporator If there is an air bubble AND the reservoir has a water sensor IN the bowl replace the reservoir High discharge pressure incorrect Compressor cycles on and off frequently through May be normal pump down switch will operate compressor as pump down switch closes and opens December 2014 Page 43 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Service Diagnosis Refrigeration System Failure Compressor is not operating Contactor not pulled in if correct check coil of contactor outs open Code 4 in code display Check if remote pump down switch not closed if open check low side pressure and liquid line valve supplying power to contactor Compressor overheated Check for high amp draw possible start relay keeping start winding powered Compressor
25. Scotsman Ice Systems Prodigy Flaked and Nugget Ice Machines Service Manual for models F0522 F0822 F1222 F1522 N0422 N0622 N0922 N1322 including Prodigy Plus D series N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Introduction These ice machines are the result of years of The features include easily accessible air filters experience with flaked and nugget ice machines simple conductivity water level sensing evaporator clearing at shut down photo eye sensing bin control The latest in electronics has been coupled with the and the ability to add options time tested Scotsman flaked ice system to provide reliable ice making and the features needed by customers Contents instalation 4 DOCANOM 5 6 ae a4 a4 naw Ae ee dive Abend Page 5 N0422 F0522 N0622 F0822 Cabinet 225 225222555245 644 4 Page 6 N0922 F1222 N1322 1522 Cabinet LayOlll ace rx bab ee eRe EA Page 7 N0422 F0522 N0622 F0822 D Cabinet Layout ics e e REX Page 8 N0922 F1222 N1322 F1522 D Cabinet Layout xir RR a Page 9 Unpacking amp Install PIP xiu orta tmr tcn ones RR GR n Page 10 lr 11 BICCWICAl
26. adapter needed B330P or B530P or B530S Use KBT27 B842S KBT39 B948S KBT38 for single unit B948S KBT38 2X for two units side by side BH1100 BH1300 and BH1600 upright bins include filler panels to accommodate a single 22 inch wide ice machine No adapter is needed Dispenser compatibility Only nugget ice models may be used with ice dispensers Flaked ice is not dispensable 10150 use KBT42 and KDIL PN 150 includes KVS KNUGDIV and R629088514 10200 use KBT43 and KNUGDIV and KVS 10250 use KBT43 and KNUGDIV and KVS See sales literature for other brand model ice and beverage dispenser applications Other Bins amp Applications Note the drop zone and ultrasonic sensor locations in the illustrations on the next pages Scotsman ice systems are designed and manufactured with the highest regard for safety and performance Scotsman assumes no liability of responsibility of any kind for products manufactured by Scotsman that 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 December 2014 Page 5 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual N0422 F0522 N0622 F0822 Cabinet Layout 1 2200 REF 1
27. air cooled models will begin to blow warm air out the back of the cabinet and water cooled models will drain warm water from the condenser drain tube Remote models will be discharging warm air from the remote condenser After about 5 minutes ice will begin to drop into the bin or dispenser 5 Check the machine for unusual rattles Tighten any loose screws be sure no wires are rubbing moving parts Check for tubes that rub 6 Fill out the warranty registration form and either file it on line or mail it 7 Notify the user of the maintenance requirements and whom to call for service 1 Press and hold Clean button for 3 seconds This starts the Time to Clean Adjustment State and displays the current time to clean setting 2 Press the clean button repeatedly to cycle through the 4 possible settings 1 year 8760 hours 0 disabled 4 months 2920 hrs 6 months 4380 hours default 3 Push Off to confirm the selection December 2014 Page 24 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Sequence of Operation The ice machine s function is to continuously produce ice until the ice level control senses that there is enough ice in the bin or dispenser There are three systems that operate in close coordination to make ice They are the electrical system the water system and the refrigeration system The electrical system includes the compressor auger drive
28. all or other rooftop unit Note The location of the condenser relative to the ice machine is LIMITED by the specification on the prior page Power Supply from Ice Machine Roof penetration In many cases a roofing contractor will need to make and seal the hole in the roof for the line sets The suggested hole diameter is 2 inches Meet all applicable building codes Roof Attachment Install and attach the remote condenser to the roof of the building using the methods and practices of construction that conform to the local building codes Remote Condenser including having a roofing contractor secure the condenser to the roof To Remote Condenser Pre Charged Refrigeration Tubing Refrigeration Quick Connects December 2014 Page 15 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Precharged Line Routing Remote Only Do not connect the precharged tubing until all routing and forming of the tubing is complete See the Coupling Instructions for final connections 1 Each set of pre charged tubing lines contains a 3 8 diameter liquid line and a 1 2 diameter discharge line Both ends of each line have quick connect couplings Note The openings in the building ceiling or wall listed in the next step are the minimum sizes recommended for passing the refrigerant lines through 2 Have the roofing contractor cut a minimum hole for the refrigerant lines of 2
29. an Note If the De Scale amp Sanitize light is ON following the cleaning process will clear the light for another cleaning time internal Two button switches are at the front On and Off To switch the machine OFF push and release the Off button The machine will shut off at the end of the next cycle To switch the machine ON push and release the On button The machine will go through a start up process and then resume ice making Lower Light and Switch Panel D Series This user accessible panel provides important operational information and duplicates the lights and switches on the controller It also allows access to the On and Off buttons that operate the ice machine Sometimes access to the switches should be limited to prevent unauthorized operation For that purpose a fixed panel is shipped in the hardware package The fixed panel cannot be opened To install the fixed panel 1 Remove the front panel and remove the bezel 2 Spread the bezel frame open and remove original door insert fixed panel into bezel Be sure it is in the closed position 3 Return bezel to panel and install panel on unit December 2014 Page 19 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Controller Power Status Water De scale 1 712 00 Sanitize Clean Code Display Control Operation See Manual Water Light On Restore water supply to machine De Scale Li
30. assembly fan motor and control system the auger drive assembly includes the gear reducer auger and top bearing The water system includes the float valve reservoir inside of the evaporator and the drain tubing The refrigeration system includes the compressor condenser expansion valve and outside of the evaporator Control System As noted the electrical system includes a control system The control system consists of a controller and sensors It automatically operates the machine to make ice only when needed It also monitors the refrigeration system water system and auger drive assembly for proper function Sensors are used to monitor the machine A continuity probe water sensor is located near the float reservoir A tube from the float tank allows water to touch the sensor s two stainless steel probes making a connection between them That signals to the controller the presence of water The controller will not allow the machine to make ice unless this sensor s probes have continuity A set of photo electric eyes infrared emitter and receiver is located at the base of the ice discharge chute They are used to sense ice As ice is made it falls through the infrared beam from the emitter causing the receiver to detect it When ice has filled the bin the top of the ice pile will continuously stop the beam breaking the light to the receiver and that signals to the controller that the bin is full Additionally the
31. at No ice b in code display Bin stat is open Check for ice on bin thermostat capillary tube Check for cold ambient in bin Check continuity of bin thermostat when capillary tube is warm replaced if does not close Unit overfills shuts off on photo Bin stat is stuck closed Check position of bin thermostat eyes capillary tube Unit overfills shuts off on photo Bin stat is stuck closed Check continuity of bin thermostat eyes when ice is on the capillary tube replaced if does not open December 2014 Page 45 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Options Vari Smart Optional adjustable ice level control KVS When this option is present there is an adjustment post and an additional indicator light to the right of the four indicator lights mentioned earlier Water De scale Status Power L Adjust Ice Leve Sanitize AutoAlen indicator Lignte The ultrasonic ice level control allows the user to control the point that the ice machine will stop making ice before the bin or dispenser is full Reasons for this include Seasonal changes in ice used Planning to sanitize the bin Faster turnover for fresher ice Certain dispenser applications where maximum ice level is not desired Use of adjustable ice level control There are several positions the ice level can be set to including Off or Max knob and label indicators lined up
32. ator and make up water flows in From the evaporator the refrigerant carrying the heat from ice making flows back to the compressor through the suction line and the cycle continues TXV Evaporator 000000000 E Compressor Liquid Line Refrigeration Schematic December 2014 Page 28 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Water Cooled Refrigeration The compressor concentrates the heat from ice making into high pressure hot discharge gas The high pressure forces the gas to the water cooled condenser At the condenser refrigerant gas and water flow through connected parallel tubes but in opposite directions Heat moves from the hotter discharge gas to the cooler water and the refrigerant condenses into a liquid The water flows out of the condenser warmed up to about 110 F Water flow is controlled by a water regulating valve on the inlet of the condenser s water circuit From the condenser the high pressure liquid refrigerant flows through the liquid line to the metering device a thermostatic expansion valve At the expansion valve liquid refrigerant passes from a high pressure zone to one of relatively low pressure and in the low pressure zone it evaporates Water Cooled Condenser Suction Line N Discharge Line Liquid Line gt
33. compressor Do not start the machine for 4 hours Final Check List 1 Is the unit located indoors in a controlled environment 2 ls the unit located where it can receive adequate cooling air 3 Has the correct electrical power been supplied to the machine 4 Have all the water supply connections been made 5 Have all the drain connections been made 6 Has the unit been leveled 7 Have all unpacking materials and tape been removed 8 Has the protective covering on the exterior panels been removed 9 Is the water pressure adequate 10 Have the drain connections been checked for leaks 11 Has the bin interior been wiped clean or sanitized 12 Have any water filter cartridges been replaced 13 Have all required kits and adapters been properly installed Control and Machine Operation Once started the ice machine will automatically make ice until the bin or dispenser is full of ice When ice level drops the ice machine will resume making ice Caution Do not place anything on top of the ice machine including the ice scoop Debris and moisture from objects on top of the machine can work their way into the cabinet and cause serious damage Damage caused by foreign material is not covered by warranty There are four indicator lights at the front of the machine that provide information on the condition of the machine Power Status Water De scale amp Sanitize Power No Water Status Time to Cle
34. e the water seal it will have to be replaced 2 Use a brass wire brush and scrub the interior of the evaporator vertically to remove any scale 3 Clean up any debris from the top of the gear reducer Example of Scale Build UP on Evaporator Wall December 2014 Page 50 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Repair Procedures The Water Seal Assuming all steps to remove the auger have been performed 1 The gear reducer evaporator assembly will have to be exposed 2 Remove the 4 hex head cap screws holding the evaporator to the gear reducer assembly Lift the evaporator up and off of the gear reducer 3 Remove the snap ring or wire retainer from the groove under the water seal 7 Bottom of Stationary Water Seal 4 Pull or drive out the lower half of the water seal Tip Push one side of seal in so the seal is turned 90 degrees to the evaporator and pull it out To Replace the Water Seal 1 Lubricate the water seal with a thin coating of food grade grease or oil and push the water seal into the bottom of the evaporator slightly past the groove for the snap ring 2 Replace the snap ring and pull the water seal down against it 3 The part of the water seal that rotates with the auger must also be replaced Remove the old part from the auger and clean the mounting area 4 Place a small bead of food grade silastic sealant Fr
35. eats and threaded surfaces with a clean cloth to remove any possible foreign matter 2 Lubricate the inside of the couplings especially the O rings with refrigerant oil Oil packets are supplied with Scotsman line sets 3 Position the fittings on the correct connections on the condenser and ice machine Final Connections 4 Tighten the couplings together by hand until it is certain that the threads are properly engaged 7 Mark a line on the coupling nut and unit panel Then tighten the coupling nut an additional one quarter turn The line will show the amount that the nut turns Do NOT over tighten gt M 5 Use two wrenches tighten the coupling until it bottoms out or a definite increase in resistance is 8 After all connections have been made and after felt It is important that ONLY the nut on the pre the receiver outlet valve has been opened do not charged tube be turned or the diaphragms will open yet check the couplings for leaks be torn out by the piercing knives and they will be loose in the refrigeration system Note As the couplings are tightened the diaphragms in the quick connect couplings will begin to be pierced As that happens there will be some resistance to tightening the swivel nut December 2014 Page 17 N0422 F0522 N0622 0822 N0922 1222 N1322 F1522 Air Water or Remote Service Manual Water Remote Models The water supply for ice making must be cold potable not Tee
36. edures The Auger ce eee REESE ian Page 49 Auger and Evaporator Inspection Page 50 Repair Procedures The Water Page 51 Repair Procedures The Page 52 Repair Procedures Replace the Page 53 December 2014 Page 3 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Installation This machine is designed to be used indoors in a controlled environment Operation outside the limits listed here will void the warranty Air temperature limits quin 5 10 aximum 00 F 38 C 120 F 48 C Remote 20 F 28 C condenser Water temperature limits P Minimum Maximum All models 40 F 4 4 C 100 F 38 C Water pressure limits potable P Minimum Maximum _ All models 20 psi 1 3 bar 80 psi 5 5 bar Water pressure limit to water cooled condenser is 150 PSI Voltage limits Minimum Maximum 115 volt 4464 16 53 104 208 230 60 Hz Minimum conductivity RO water 10 microSiemens CM Water Quality ice making circuit Potable The quality of the water supplied to the ice machine will have an impact on the time between cleanings and ultimately on the life of the product Water can contain impuritie
37. erated by the controller Line voltage coil When energized the Compressor indicator light will be ON Fan Motor s Operated by the contactor High pressure cut out All models have a high pressure cut out switch that signals the controller if the discharge pressure is too high It is an automatic reset Low pressure switch On remote models it controls the compressor contactor Will close on pressure rise pressure rises when liquid line valve opens Opens at a lower pressure Air and Water cooled models use a low pressure cut out Liquid line valve Remote only Opened by the controller to start ice making Closed to shut unit off Line voltage coil Controller Senses water ice making discharge pressure low side pressure and auger amps Controls compressor contactor fan motor and auger motor Indicates status and component operation Transformer 12 volt secondary supplies power to controller only The Power light will be ON when the transformer has provided 12 volts AC to the controller Water Level Sensor Two probe conductivity sensor When water touches it the Water Present light will be ON Auger Motor Four pole split phase motor that operates the gear reducer When operating the Auger indicator light will be ON The gear reducer lowers the input speed from about 1500 RPM to 11 Auger rotation is CCW when viewed from above Photo electric eyes An LED emitter and photo transi
38. es Blocked This light is ON when the photo electric ice sensors have been blocked by ice Water Present This light is ON when the water sensor has water touching it Comp This light is ON when the compressor is operating Water Dispense Not used on this model not listed on D series Auger This light is ON when the auger motor is operating Ice Dispense Not used this model not listed on D series Control Button Use Recall diagnostic code Hold off button in for 3 seconds Release Press and release the Clean button to cycle through each of the last 10 error codes from most recent to oldest Clear diagnostic code Hold Clean and Off buttons in for 3 seconds to clear all prior codes Reset control Depress and release Off then depress and release On Start Test Mode Hold Off button in for 3 seconds Release Hold Clean button in for 3 seconds Release Lock Unlock control Hold On button in for 3 seconds keep holding then press and release Off twice Component Operation Indicator Lights Sl WA 2 e PRESENT m amp E AUGER DISPENSE DISPENSE ICE December 2014 Page 22 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Electrical Component Details Compressor Operated by the compressor contactor Contactor Op
39. from bin or dispenser Turn the water supply to the ice machine OFF Drain the water and evaporator by disconnecting the leg of the hose connected to the water sensor and draining it into the bin Return the hose to its original position Remove the water reservoir cover Mix a solution of 8 ounces of Scotsman Clear One Scale Remover and 3 quarts of 95 115 degree F potable water Ice machine scale remover contains acids Acids can cause burns If concentrated cleaner comes in contact with skin flush with water if swallowed do NOT induce vomiting Give large amounts of water or milk Call Physician immediately Keep out of the reach of children Pour the scale remover solution into the reservoir Use a small cup for pouring Push and release the Clean button the auger drive motor and light are on C is displayed and the De scale light blinks After 20 minutes the compressor will start Operate the machine and pour the scale remover into the reservoir until it is all gone Keep the reservoir full When all the scale remover solution has been used turn the water supply back on After 20 minutes of ice making the compressor and auger motor will shut off Turn the water supply to the ice machine OFF 12 13 14 15 16 17 18 19 20 Zi 22 23 24 Drain the water reservoir and evaporator by disconnecting the leg of the hose connected to the water sensor and draining it into the bin or
40. ft off the cover lift up until you can feel internal contact then pull the cover towards the output gear end and then lift the cover with drive motor attached up and away from the gear reducer case Note The case cover output gear bearings and shaft are one pressed together assembly Replace as a unit 3 Inspect the oil gears and bearings If the oil level and condition is acceptable quickly check the gears and bearings They are likely to be fine if the oil is Gear case cover assembly If there is evidence of water in the oil rusty bearings and gears the oil having a creamy white appearance oil level too high carefully inspect the bearings and gears If in doubt about the condition of a part replace it The oil quantity is 14 fluid ounces do not overfill Note The gears and bearings are available only as pressed together sets 4 After replacing parts as required if any reassemble the gear case and cover The two smaller gears and the oil should be in the lower case the output gear will be with the cover As you lower Gear case with First and Second Gears December 2014 Page 52 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Repair Procedures Replace the Evaporator Assuming all the steps for removal of the thrust bearing breaker auger and water seal have been performed 1 Recover the refrigerant from the ice maker 2 Unsweat the refrigeran
41. ght On Clean and sanitize machine Test Mode Depress Off for 3 seconds then depress Clean for 3 seconds Recall Diagnostic Codes Depress Off for 3 seconds Press Clean repeatedly to go from most recent to oldest of 10 Clear Diagnostic Codes Switch unit off depress and hold Clean and Off for 3 Seconds Reset from Code 1 2 3or 4 Depress Off then Depress On 02 4407 01 Technician Section Description Freeze Mode Freeze Mode is Pending Bin is Full Clean Cycle Board Locked Test Mode Off Self Test Failed No ice sensed Retrying No ice sensed Shut Down Auger motor high load Retrying Auger motor high load Shut Down No water in reservoir Refrigeration pressure too high low All 4 Upper Lights Flashing Unit Remotely Locked Out Contact Leasing Company Component Operation Indicator Lights December 2014 Page 20 Location of Optional Vari Smart KVS Location of Optional Smart Board N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual AutoAlert and Display Code The controller uses indicator lights to provide the user with information on Power Status Water or Time to Clean These are known as the AutoAlert panel Code Description Freeze Mode flashes Freeze Mode is Pending T Bin is Full Clean Cycle TT Board Locked Code oos Test Mode TER Fn Clean F flashes Off 29 5552 B
42. id line Remove it 8 Unsweat the drier from the liquid line Remove it 9 Connect nitrogen to discharge access valve 10 Immediately place new valve in ice machine 11 Open nitrogen bottle and braze expansion valve inlet and outlet joints together Braze new drier into system 12 Shut off nitrogen shut access valves 13 Evacuate to at least 300 microns 14 Weigh in the nameplate charge Check for leaks 15 Attach bulb to suction line Position at 4 or 8 o clock on the tube Secure tightly but do not crush the bulb with the strap 16 Attach valve and bulb insulation 17 Reconnect electrical power 18 Return all panels to their original positions December 2014 Page 53 291 855 SCOTSMAN ICE SYSTEMS 775 Corporate Woods Parkway Vernon Hills ILL 60061 800 726 8762 WWW Scotsman ice com
43. ilter in place except during cleaning Maintenance Air cooled condenser If the machine has been operated without a filter the air cooled condenser fins will need to be cleaned They are located under the fan blades The services of a refrigeration technician will be required to clean the condenser Maintenance Remote air cooled condenser The condenser fins will occasionally need to be cleaned of leaves grease or other dirt Check the coil every time the ice machine is cleaned Maintenance Exterior Panels The front and side panels are durable stainless steel Fingerprints dust and grease will require cleaning with a good quality stainless steel cleaner Note If using a sanitizer or a cleaner that contains chlorine on the panels after use be sure to wash the panels with clean water to remove chlorine residue Maintenance Water filters If the machine has been connected to water filters check the cartridges for the date they were replaced or for the pressure on the gauge Change cartridges if they ve been installed more than 6 months or if the pressure drops too much during ice making December 2014 Page 35 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Maintenance Scale Removal Note Following this procedure will reset the de scale and sanitize light 1 2 3 4 5 AWARNING 10 11 Remove front panel Push and release the Off button Remove ice
44. ir Code cA Self Test Failed Display L Bc Control Operation See Manual w flashes No ice sensed Retrying Water Light On Restore water supply to Of uii E RI No ice sensed Shut Down De Scale Light On Clean and sanitize flashes Nc _ Pid co am flashes Auger motor high load Retrying Prodigy Plus D series have a similar panel butitisat Auger motor high load Shut Down the lower left of the front panel 11 111111 No water in reservoir Additionally a 7 segment display is under the front dabo d n li wade a Refrigeration pressure too high low panel lt shows operational status or problem codes The Power light is on Green anytime the machine is supplied with electrical power The Status light is on Green when the machine has been switched to the ice making mode It will also blink green if the unit has been equipped with an optional Smart Board AND the Smart Board has detected potential malfunction The Water light will blink Red if the water sensor does not detect water The De Scale Sanitize light will glow Yellow when the time to clean timer has reached its set time since the last cleaning It also blinks during the first part of the cleaning mode December 2014 Page 21 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Component Indicator Lights The controller has six lights to indicate component operation Bin Ey
45. l Repair Procedures Bearing And Breaker Note Removal of the auger water seal evaporator and gear reducer w motor must begin at the top of the assembly To Remove the Breaker Bearing Assembly 1 Remove panels and disconnect electrical power 2 Push back bail clamp and remove ice chute cover 3 Unscrew and remove ice sweep 4 Lift up and remove ice chute 5 The breaker may be removed from the auger and evaporator without disturbing the auger a Unscrew breaker cover from breaker left hand threads b Unscrew auger stud from top of auger c Unscrew 4 allen head cap screws holding breaker to evaporator d Lift up and remove breaker bearing assembly from auger amp evaporator 6 Service the bearing Check for rust rough spots and damage a The bearing is pressed into the breaker to remove the bearing and replace it an arbor press is needed b Replace lower seals before installing new bearing in breaker Note Seals must be pressed in with a tool they will not install by hand A 2 PVC coupling works well as an insertion tool Seals install open side up Lip seals must be lubricated with food grade grease prior to assembly Replace parts as required Re grease bearing with Scotsman part no A36808 001 bearing grease Replace top seal and check the o rings replace if cut or torn 7 Reverse to reassemble specific tools and materials are required to install properly a Add f
46. many amps controller shut unit off or auger bearings Check for restriction between reservoir and Bin Eyes Blocked light is On Ice is in Ice is in the chute chute No ice in the chute Check position of sensors check sensors for scale build up Code 4 Refrigeration system over Check for proper operation of the or under pressure fan and motor check for proper flow of water into evaporator check for proper refrigerant charge Code 4 Chute thermostat opened Unit overfilled chute check photo eye system Everything is in operation but no Check compressor refrigeration effect Check TXV superheat Check refrigerant charge Check refrigerant charge charge Optional bin thermostat is open Check thermostat or jumper wire on blue wires to 5 amp 6 Optional ultrasonic system senses Check sensor for proper false bin full installation and operation Low ice making capacity Scale build up Remove scale from evaporator and water system Air filter dirty Clean air filter Condenser fins dirty Restricted water to evaporator Check for air bubble in hose change reservoir if found Expansion valve superheat Check superheat incorrect December 2014 Page 40 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Service Diagnosis Water Cooled Symptom Probable Cause Possible Correction No power If power light is out and there is power to the unit check transformer Code 3
47. n the machine on the bin or adapter Secure with straps from the hardware bag packed with the machine or those supplied with the adapter Remove any plastic covering the stainless steel panels Note The standard machine set up includes visible on and off switches Those can be covered up by changing the bezel in the front panel s trim strip A cover up bezel is included with the hardware bag Remove any packaging such as tape or foam blocks that may be near the gear reducer or ice chute Level the bin and ice machine front to back and left to right by using the bin leg levelers Panel Removal A or B Series 1 Locate and loosen the two screws at the front edge of the top panel 2 Pull the front panel out at the top until it clears the top panel 3 Lift the front panel up and off the machine 4 Remove two screws at the front of the top panel Lift up the front of the top panel push the top panel back an inch then lift to remove 5 Locate and loosen the screw holding each side panel to the base Left side panel also has a screw holding it to the control box 6 Pull the side panel forward to release it from the back panel Button Switch Bezel A or B Series To change bezels Remove the front panel and refer to the instruction label on the inside of the front panel Push snaps of standard bezel in and pull the bezel out of the front panel trim strip Locate other bezel Push into the trim strip from the fr
48. ng upon the modulation of the head master From the receiver liquid refrigerant flows to the thermostatic expansion valve At the expansion valve liquid refrigerant e Receiver 7 Liquid Line Refrigeration Schematic passes from a high pressure zone to one of relatively low pressure and in the low pressure zone it evaporates absorbing heat From the evaporator the refrigerant carrying the heat from ice making flows back to the compressor through the suction line and the cycle continues When enough ice has been made the control system closes the liquid line solenoid valve and the machine pumps down forcing refrigerant out of the low side until the pump down pressure switch stops the compressor Remote Air Cooled Condenser Compressor Hd 0000000000 N Liquid Line Solenoid Valve December 2014 Page 30 Refrigerated Tubing N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual How Ice Is Made Refrigeration effect is applied to the water between the auger and the evaporator When that water s temperature drops to its freezing point ice crystals form throughout it A continually rotating auger mo
49. nt panel 3 Remove the hose from the water sensor use a hose clamp pliers for this Probes 4 Loosen mounting screw and release the water sensor from the frame of the unit 5 Wipe probes clean Check Gear Reducer Lubricant Although there is no normal access to the gear reducer lubricant it can be checked without removal and complete disassembly The auger drive motor must be removed and the lubricant checked through the input shaft area Because of a shelf under the motor hole only about 3 16 of oil should be on the tip of the screwdriver blade Any more and there may be water in the gear case any less and it may be low The correct oil charge is 14 ounces December 2014 Page 39 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Service Diagnosis Air Cooled Symptom Probable Cause Possible Correction No ice No power Check that ice machine has power If power light is out check transformer Code 3 No water Restore water check filters water level and sensor Status light is off Push and release ON switch Code 1 No ice sensed Check for ice flow down chute if very slow or no ice being made check for refrig system failure Check auger motor for power if no power check controller component indicator light If there is power to the motor check motor windings Code 2 Auger motor draws too Check for damage to gear reducer
50. on Do not reuse condenser coils contaminated with mineral oil used with R 502 for example They will The kit numbers are cause compressor failure and will void the warranty RTE10 RTE25 RTE40 e 75 There are limits as to how far away from the ice machine and where the remote condenser can be located See the next page for those limits The correct condenser must be used Ice Machine Model Condenser Model F0822R 1 ERC111 1 F1222R 32 F1222R 3 ERC311 32 N0622R 1 N0822R 1 ERC111 1 N0922R 32 N1222R 3 ERC311 32 N1322R 32 ERC311 32 Note A headmaster is required for all remote condenser systems Prior condensers did not have a headmaster New head old condenser retrofits can use headmaster kit KPFHM See chart below for applications December 2014 Page 13 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Remote Condenser Location Limits Use the following for planning the placement of the condenser relative to the ice machine Location Limits condenser location must not exceed ANY of the following limits Maximum rise from the ice machine to the condenser is 35 physical feet Maximum drop from the ice machine to the condenser is 15 physical feet Physical line set maximum length is 100 feet Calculated line set length maximum is 150 Calculation Formula Drop dd x 6 6 dd distance in feet Rise 7 rd x 1 7 rd 7 distance in feet
51. on Interval This feature is accessible only from standby Status Light Off 1 Press and hold Clean button for 3 seconds This starts the Time to Clean Adjustment State and displays the current time to clean setting 2 Press the clean button repeatedly to cycle through the 4 possible settings 1 year 0 disabled 4 months 6 months default 3 Push Off to confirm the selection December 2014 Page 38 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Maintenance Sensors The control that senses bin full and empty is a photo electric eye therefore it must be kept clean so it can see At least twice a year remove the ice level sensors from the base of the ice chute and wipe the inside clean as illustrated 1 Remove front panel 2 Pull photo eye holders forward to release them 3 Wipe clean as needed Do not scratch the photo eye portion 4 Return the eye holders to their normal positions and return the front panel to its original position Note Eye holders must be mounted properly They snap into a centered position and are properly located when the wires are routed to the back and the left eye is the one with 2 wires at the connector The ice machine senses water by a probe located near the water reservoir At least twice a year the probe should be wiped clean of mineral build up 1 Shut off the water supply 2 Remove fro
52. ont until it snaps into place Return the front panel to its original position and secure it to the cabinet Panel Removal D Series 1 Locate and loosen the two screws at the bottom of the front panel 2 Pull the front panel out at the bottom until it clears 3 Lower the front panel down and off the machine 4 Remove two screws at the front of the top panel Lift up the front of the top panel push the top panel back an inch then lift to remove 5 Locate and loosen the screw holding each side panel to the base Left side panel also has a screw holding it to the control box 6 Pull the side panel forward to release it from the back panel December 2014 Page 10 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Water The water supply for ice making must be cold potable water There is a single 3 8 male flare potable water connection on the back panel Water cooled models also have a 3 8 FPT inlet connection for the water cooled condenser Chilled water can also be used for this connection Drain There is one condensate drain fitting at the back of the cabinet Water cooled models also have a 72 FPT discharge drain connection on the back panel Tubing Connect the potable water supply to the potable water fitting 3 8 OD copper tubing or the equivalent is recommended Water filtration is recommended If there is an existing filter change the cartridge
53. ood grade grease such as Scotsman part number 19 0569 01 to the seal area before installing on the auger b Check the seal to shaft areas for cuts or rough spots none are permitted December 2014 Page 48 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Repair Procedures The Auger Turn off the water to the machine and unclip the evaporator drain hose pull it down and drain the evaporator into the bin or a container 1 Remove the the top panel 2 Remove ice chute cover 3 Unscrew ice sweep 4 Remove ice chute body 5 The auger and breaker bearing may now be removed as an assembly a Unscrew 4 allen head cap screws holding breaker to evaporator b Lift up on breaker and remove auger from evaporator Note If the auger is stuck the breaker must be Ice Sweep Removed removed from the auger The breaker may be removed from the auger and evaporator without disturbing the auger a Unscrew breaker cover from breaker left hand threads b Unscrew auger stud from top of auger c Unscrew 4 allen head cap screws holding breaker to evaporator d Lift up amp remove breaker from evaporator e If the auger will not lift up use a slide hammer type puller to pull on the auger at the threaded hole The size of that hole is 5 8 18 Inspect the auger see the next page Remove allen head cap screws December 2014 Page 49 N0422 F0
54. overload open Check for overheating or over amp draw Compressor will not start Check start relay and start capacitor Compressor on no refrigeration Remote headmaster in bypass Check headmaster mode Inefficient compressor Check compressor amp draw if normal not likely inefficient Compressor internal relief open Check suction and discharge pressure Relief valve opens at a pressure differential between 450 and 550 and will not re close until differential between suction and discharge is reduced to less than 450 December 2014 Page 44 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Service Diagnosis Optional Ice Level Controls Vari Smart KVS Symptom Probable Cause Possible Correction No ice bin full light is ON Adjustment knob set too low Rotate knob to first position knob s arrow pointing to the left of the L in Lower on the label Obstruction beneath sensor Check for and clear any item that might be below the sensor Sensor recessed Check sensor sensor must be flush in its holder and not recessed No ice power light on bin full light Photo eye in chute blocked Check controller display code If a is OFF b check for blockage or scale build up on photo CE in chute Check for Check for photo eye failure eye failure Optional Smart Board is controlling Check Smart Board settings Dr fill label arrow sensor wire to VS control board Bin Thermost
55. plication The dataplate on the back of the cabinet also includes the maximum fuse size Model Series Dimensions Voltage Condenser Min Circ Max Fuse w xd xh Volts Hz Type Ampacity Size or HACR Phase Type Circuit Breaker N0422A or F0522A 1 22 x 24 x 23 115 60 1 15 2 20 N0422W or F0522W 1 same 115 60 1 14 4 N0622A or F0822A 1 same 115 60 1 18 3 ir Follow all local and national codes 2 eo gt aj D 25 2 N0622W or F0822W same 115 60 1 16 7 N0622R or F0822R 1 same 115 60 1 19 4 25 1 N0622A or F0822A 32 same 208 230 60 1 N0622W or F0822W 32 same 208 230 60 1 N0922A or F1222A 32 N0922W or F1222W 32 3 N1322A or F1522A 32 AorD same 208 230 601 Air 1941 N1322W F1522W 32 AorD 208 230 60 1 Water 17 9 N1322R or F1522R 32 AoD same 208 230 60 1 Remote 189 same 208 230 60 3 11 15 December 2014 Page 12 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Refrigeration Remote Condenser Models Remote condenser models have additional installation New Head eer N0622R The correct remote condenser fan and coil must F0822R be connected to the ice making head Liquid and N0922R discharge tubing connections are on the back of the F1222R ice machine cabinet Pre charged tubing kits are N1322R available in several lengths to accommodate most installations Order the one that just exceeds the F1522R length needed for the installati
56. re If during that try the current is still excessive the machine shuts down and must be manually reset The 2 in the code display will change from flashing to continuous Water System The water level in the evaporator is maintained by a float valve in a separate reservoir As ice is made and water is used the water level in the reservoir drops opening the float valve The open valve adds water to the reservoir to resupply it December 2014 Page 25 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Refrigeration System The refrigeration system is monitored by the high pressure cut out switch If the refrigeration discharge pressure exceeds the pre set point of the switch it will open causing the controller to shut the machine off The discharge pressure control is an automatic reset switch and after the discharge pressure drops the controller will restart the unit A 4 in the code display indicates high discharge pressure The refrigeration system is also monitored by the low pressure cut out switch If the refrigeration low side pressure drops below a pre set point the switch will open When that occurs the controller will shut the machine off The low pressure cut out switch is an automatic reset switch and after the low side pressure increases to the cut in point the controller will restart the machine A 4 will show in the code display to indicate low suction pressure Note
57. s either in suspension or in solution Suspended solids can be filtered out In solution or dissolved solids cannot be filtered they must be diluted or treated Water filters are recommended to remove suspended solids Some filters have treatment in them for dissolved solids Check with a water treatment service for a recommendation RO water This machine can be supplied with Reverse Osmosis water but the water conductivity must be no less than 10 microSiemens cm Potential for Airborne Contamination Installing an ice machine near a source of yeast or similar material can result in the need for more frequent sanitation cleanings due to the tendency of these materials to contaminate the machine Most water filters remove chlorine from the water supply to the machine which contributes to this situation Testing has shown that using a filter that does not remove chlorine such as the Scotsman Aqua Patrol will greatly improve this situation Warranty Information The warranty statement for this product is provided separately from this manual Refer to it for applicable coverage In general warranty covers defects in material or workmanship It does not cover maintenance corrections to installations or situations when the machine is operated in circumstances that exceed the limitations printed above December 2014 Page 4 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Location
58. stor receiver set Pulsed infrared light is continuously emitted and received to detect ice in the chute Lower light and switch panel Used only on Prodigy Plus D series Duplicates controller lights and switches December 2014 Page 23 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Refrigeration Refrigerant R 404A Compressors Copeland or Tecumseh hermetic by model Expansion valve Adjustable internally equalized Condensers Air is forced draft type water cooled is counterflow type Air filters Surface mounted to panels Filter media removable without removing panels Fan blades Reduced vibration blades in most air cooled models Remote Systems Head pressure control valve in condenser Headmaster protected by filters not filter driers Controller pumps unit down by closing the liquid line valve Pump down switch controls the compressor High pressure cut out WC RC AC Low pressure cut out WC AC Pump down pressure switch RC Evaporator Coil wrapped stainless steel with a stainless steel double flight auger inside Change De Scale Notification Interval This feature is accessible only from standby Status Light Off Initial Start Up 1 Turn the water supply on 2 Switch the electrical power on Confirm voltage is correct for the model 3 Push and release the On button The machine will start in about two minutes 4 Soon after starting
59. t Check superheat incorrect December 2014 Page 41 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Service Diagnosis Remote Air Cooled Symptom Probable Cause Possible Correction No ice No power If ice machine has power and power light is out check transformer Code 3 No water Restore water check filters water level and sensor Status light is off Push and release ON switch Code 1 No ice sensed Check for ice flow down chute if very slow or no ice being made check for refrigeration system failure Auger motor working compressor off Check liquid line valve and pump down switch Check auger motor for power if no power check controller component indicator light If there is power to the motor check motor windings or start switch Code 2 Auger motor draws too Check liquid line valve for leak many amps controller shuts unit through causing auger to freeze in off place Check for damage to gear reducer or auger bearings Bin Eyes Blocked light is On Ice is in the chute No ice in the chute Check position of sensors check sensors for scale build up Code 4 High discharge pressure Check remote condenser fan motor Code 4 Chute thermostat opened Unit overfilled check photo eyes Everything is in operation but no Check liquid line valve refrigeration effect Check compressor Check TXV superheat Check refrigerant charge Optional ultrasonic system set too
60. t connections a At the thermostatic expansion valve outlet Heat sink the TXV body when unsweating or resweating the adjacent tubing b At the suction line at the joint about 3 from the evaporator 3 Remove the evaporator 4 Unsweat the drier from the liquid line 5 After installing a new water seal in the new evaporator see To Replace the Water Seal sweat in the new evaporator at the old tubing connections 6 Install an new drier in the liquid line 7 Evacuate the system until dehydrated then weigh in the nameplate charge Check for leaks 8 Install auger breaker breaker bearing assembly and ice discharge chute in reverse order of disassembly To Reassemble the Evaporator and Auger 1 After the gear reducer has been inspected fasten the evaporator to the gear reducer Torque the bolts to 110 inch pounds 2 Lower the auger into the evaporator barrel slightly turning it to match up with the drive end Do Not Drop Into the Evaporator 3 Complete the reassembly by reversing the disassembly for the breaker amp thrust bearing assembly Repair Procedures Thermostatic Expansion Valve 1 Remove front panel 2 If the machine was in operation push and release the off button to shut it down 3 Disconnect electrical power 4 Recover refrigerant 5 Remove insulation covering expansion valve and bulb 6 Remove strap securing bulb to suction line 7 Unsweat the expansion valve from the liqu
61. ves the ice up the evaporator tube At this point the ice is a soft ribbon that fills the space between the auger and evaporator At the top of the evaporator tube ice emerges from the water and is forced or extruded through relatively small openings This has the effect of squeezing out excess water and compressing the ice together into a useable form Ice flowing from the openings is forced to one side breaking it into smaller lengths An ice sweep Flaked ice machines have 6 oblong and curved slots that ice flows from and they produce a softer wetter ice form Nugget ice machines have 16 round holes that form the nugget which is more heavily compressed and contains less water than freshly made flaked ice Cutaway View of Bearing Nugget or moves them to the chute Flaked Ice Foam Insulation December 2014 Page 31 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Technical Information Pressure Switches po Cut IN PSIG Cut OUT PSIG High pressure switch AC WC RC Low pressure switch AC or WC Low pressure pump down remote Compressor Amp Draw Model Series ams 22 F0822 Ja zo 622 0822 Bord N1322 51522 AorD 280 three phase Copeland Auger Drive Motor Amps i Ice Machine Voltage Auger Motor Amps Control Cut Out 0422 0522 0622 0822 4
62. where it fills the bin until the standard bin control shuts the machine off See the kit s instructions for complete details Rotate the adjustment post to the desired ice level The machine will fill up to that level and when it shuts off the indicator light next to the adjustment post will be On Note The maximum fill position is when the arrow on the knob points to the arrow on the label Dispenser applications Nugget ice only Set the adjustment knob arrow to the Norm area between the green arrows Select either the first or second positions as a starting point and adjust as needed December 2014 Page 46 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manual Options Bin Thermostat Another bin control method available on these machines is a bin thermostat Type Opens on temperature fall Connects To blue wires to controller in place of the jumper connecting the blue wires between terminals 5 and 6 Use In certain ice dispenser kits or whenever a permanently lowered ice level is desired and a KVS is not suitable Mounts To the control box support post Result when open Machine shuts down b in code display Results when closed Machine makes ice until either the circuit opens or the photo eyes are blocked by ice Circuit voltage type Low December 2014 Page 47 N0422 F0522 N0622 F0822 N0922 F1222 N1322 F1522 Air Water or Remote Service Manua

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