Service Manual - Scotsman Ice Systems
Contents
1. Page 5 December 2014 22 00 REF 31 8 i 12 50 I ULTRA SONIC BIN LEVEL SENSOR OPTIONAL A 61 24 00 PLAN VIEW REF 419 16 50 ICE DROP 7 4 OPENING 2 92 71 y y 2 81 42 8 l 16 86 o 165 L_ 120 VOLT CORD 6 48 36 5 5 8 O D REMOTE a a 577 14 36 i SUCTION f 22 70 CONNECTION 3 8 FLARE f a A i Scotsman MACHINE WATER INLET A 3 8 O D REMOTE I a 5 LIQUID LINE o CONNECTION A 55 4 i 68 6 27 00 21 81 I 47 8 18 81 339 si 6 7 o e Eu y y F o J y 3 4 FPT DRAIN 61 55 9 BACK VIEW WN ac fay LTL S LEFT SIDE VIEW FRONT VIEW N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Unpacking Remove the carton from the skid Check for hidden freight damage notify the carrier immediately if any is found Retain the carton for the carrier s inspection The machine is not bolted to the skid If strapped remove the strap 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 Because this is a2. 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 e b Unscrew auger stud from top of auger e c Unscrew 4 allen head cap screws holding breaker to evaporator e d Lift up and remove breaker bearing assembly from auger amp evaporator 6 Service the bearing Check for rust rough spots and damage e a The bearing is pressed into the breaker to remove the bearing and replace it an arbor press is needed e 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 food 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 27 N0922L N1322L F1222L F1522L
3. 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 Backflow The design of the float valve and reservoir prevents 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 one 74 FPT condensate drain fitting at the back of the cabinet Tubing Connect the potable water supply to the potable water fitting 3 9 OD copper tubing or the equivalent is recommended Connect the drain tube to the condensate drain fitting Vent this drain tube 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 Condensate Drain December 2014 Page 7 Potable Water Inlet N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Electrical The machine includes a power cord connect to the proper power supply A separate circuit is recommended to avoid unintended shut downs If a dedicated condensing unit is connected to this machine it will have a separate power supply Do not use an extension cord Follow all local and national codes Model Dimensions Voltage Min Circuit Ampacity Max Fuse Size cor
4. Remote Low Side Service Manual Includes Prodigy Plus 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 e a Unscrew 4 allen head cap screws holding breaker to evaporator e 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 e b Unscrew auger stud from top of auger e c Unscrew 4 allen head cap screws holding breaker to evaporator e d Lift up amp remove breaker from evaporator e e If the auger is stuck 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 28 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Auger and Evaporator Inspection The auger must be carefully inspected for wear and scale There are also wear areas like the top bearing surface and the edges of the flights The edges of
5. Scotsman Ice Systems service Manual for Remote Low Side Modular Flaked and Nugget Ice Machines including Prodigy Plus D Series Models F1222L F1322L NO922L and N1322L N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Introduction This ice machine is the result of years of experience The features include simple conductivity water level with flaked and nugget ice machines The latest in sensing evaporator clearing at shut down photo eye electronics has been coupled with the time tested sensing bin control and the ability to add options Scotsman flaked ice system to provide reliable ice making and the features needed by customers Contents Dea ON rn TIR ni Page 3 LOGGHONE apre Page 4 Cabinet Layout 0 0 IG I I GG GG IG GG GG I GG GG GG IG IG GG GG GG uu uu Page 5 ee RETE Page 6 WOO peri E OI IEU DR NR FWYN FN RR SAFF ENNYN AN NF CYFRAN FR NYFFRYN RNA NN EN Page BICCWICAL caca kt noes So peS eee eek ee eee een eee cae ehh eG iti Page 8 Refrigeration eee eee GG LG ee ees Page 9 Final CC REC IS O yu o do GAN kota OO UD DG OD AU GANED OODD GEO NU Page 10 AMO A CAU Dia a an cg RE Page 11 C 5 ETA Page 12 AutoAlert and Display Code I IG GG I GG GI GG GG GG GG GG GG GG ee eens Page 13 Component Indicator LighlS 2 iran RG teaser Page 14 Electrical Component Details 2524 acme O O RF REF NN Page 15 Sequence of Operation nanana aaaea a Page
6. Build Up on Evaporator Wall N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Repair Procedures The Water Seal Assuming all steps to remove the auger have been performed 1 The gear motor evaporator assembly will have to be exposed 2 Remove the 4 hex head cap screws holding the evaporator to the gear motor assembly Lift the evaporator up and off of the gear motor 3 Remove the snap ring or wire retainer from the groove under the water seal Stationary Water Seal Bottom 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 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 y i Sealant Do not get any sealant onto the face of t
7. Check Drip Pan For Water Change De Scale Notification Interval This feature is accessible only from standby Status Light Off 1 Press and hold Clean button for 3 seconds 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 e 1 year 8760 hours e 0 disabled 4 months 2920 hrs 6 months 4390 hours default December 2014 Page 23 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Options Vari Smart Another bin control method available on these Optional adjustable ice level control KVS machines is a bin thermostat Power Status Water De scale Type Opens on temperature fall DI Bin Max mai F Min wn Full Adjust Ice Leve Connects To blue wires to controller in place of the jumper connecting the blue wires between terminals 5 and 6 ri a lt oa F Sanitize Au pert Indicator Lights Use In certain ice dispenser kits or whenever a permanently lowered ice level is desired and a KVS is When this option is present there is an adjustment not suitable post and an additional indicator light to the right of the four indicator lights mentioned earlier The ultrasonic Mounts To the control box support strut ice level control allows the user to control the point that the ice machine will stop making ice before the bin or di
8. Schematic December 2014 Page 19 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus How Ice Is Made Refrigeration effect is applied to the water between Flaked ice machines have 6 oblong and curved slots the auger and the evaporator When that water s that ice flows from and they produce a softer wetter temperature drops to its freezing point ice crystals ice form form throughout it A continually rotating auger moves the ice up the evaporator tube At this point the ice is a soft ribbon that fills the space between the auger and evaporator Nugget ice machines have 16 round holes that form the nuggets which is more heavily compressed and contains less water than freshly made flaked ice 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 Cutaway View useable form of Bearing Ice flowing up from the openings is forced to one side breaking it into smaller lengths An ice sweep moves them to the chute Nugget or Flaked Ice Refrigerated Tubing Foam Insulation December 2014 Page 20 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Scale removal Note Following this procedure will reset the de scale and sanitize light 1 2 3 4 5 10 11 12 Re
9. ice making into high pressure hot discharge gas heat from ice making flows back to the compressor The high pressure forces the gas to the condenser through the suction line and the cycle continues At the remote condenser the discharge gas will either enter the coils or bypass them through the When enough ice has been made the control headmaster The head master maintains a minimum system closes the liguid line solenoid valve and the discharge pressure to keep flash gas out of the liguid condensing unit when used pumps down forcing line refrigerant out of the low side until its pump down pressure switch stops the compressor From the condenser refrigerant flows to the receiver It can be either liquid or gas depending upon the modulation of the head master From the receiver liquid refrigerant flows to the ice making head s 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 absorbing heat Generic Condensing Unit Suction Liquid ha i le MET EPR i Er a Ice Making Head Ta D dp N000C0000 Liguid Line Valve DI Remote Low Side Refrigeration
10. 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 Position 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 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 1 Locate and loosen the two screws at the bottom edge of the front panel 2 Pull the front panel out at the bottom until it clears the bin 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 6 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Water
11. the auger have horizontal serrations and 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 Remove 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 December 2014 Page 29 Example of a Clean Auger Example of Scale
12. 0 F Water pressure limits potable Maximum All models 80 psi Voltage limits Minimum Maximum 115 volt 104 126 Minimum conductivity RO water 10 microSiemens CM Water Guality ice making circuit Potable i 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 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 impurities 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 suspended 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 a
13. 16 Electrical Sequence with Condensing Unit Page 17 Water SVSICN du GG ODENA et oe ees iii Page 18 Remote Refrigeration with Condensing Unit Page 19 How ICG ls Made oan en hae eens EFA FN eee den ane eee ehehe Page 20 Scale removal 1 ee GIG I GIG GG ee eee eee Page 21 Check Top Bearing see dneseee sci tedpee eee TIRI Page 22 Beanng SCIE sc scauenete i teens CYFN a E E a a a nt Page 23 ODUONS 2 2 one 425 DG Eb eso sees EI GON nen Page 24 Service Diagnosis 0 ee GG GG IG GG GG ee Page 25 Service Diagnosis Optional Ice Level Controls Page 26 Repair Procedures Bearing And Breaker I eee tees Page 2 Repair Procedures The Auger Page 28 Auger and Evaporator Inspection 0 ee GG GG GG eee ees Page 29 Repair Procedures The Water Seal 0 0 0c ee eee ees Page 30 Repair Procedures Replace the Evaporator ccc eee Page 31 Repair Procedures The gear reducer 1 eee Ru Page 32 Repair Procedures Thermostatic Expansion Valve Page 33 December 2014 Page 2 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Installation This machine is designed to be used indoors in a Most water filters remove chlorine from the water controlled environment Operation outside the limits supply to the machine which contributes to this listed here will void the warranty Air temperature limits Maximum Ice maker 00 F Water temperature limits aximum All models 10
14. cident 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 more 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 t
15. cover left hand threads S l N 2 Unscrewing the ice sweep LE i Ra COR SE 4 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 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 22 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Bearing Service This task should only be done by a qualified service technician 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 Bearing t Needle pn 02 3559 01 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
16. d connected w x d x h Volts Hz Phase 22 x 24 x 27 115 60 1 Power Cord 3 8 OD Liquid Line Stub A FA 5 8 OD Suction U C RE die December 2014 Page 8 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Refrigeration BTUH Capacity Requirements BTUH NO922L F1222L 5 000 N1322L F1522L 7 200 Condensing Units Model Use Condensing Unit NO922L or F1222L NME954 RHS A C N1322L or F1522L None rack only Remote low side models require connection to a dedicated condensing unit or a rack system Recommended Tubing from Head to Condensing Unit e Suction Line 5 8 OD e Liquid Line 3 8 OD Distance limits e Maximum distance between dedicated condensing unit and head 75 feet Condensing Unit Elevation over Ice Making Section 35 feet Note Elevations greater than 20 feet require installation of a suction line trap at the 10 foot mark Ice Making Section Elevation over Condensing Unit 15 feet Line Routing e Allowed One rise after a drop e Allowed One drop after a rise Not Allowed More than one rise after a drop Not Allowed More than one drop after a rise Roof Attachment Install and attach the remote condensing unit to the roof of the building using the methods and practices of construction that conform to the local building codes including having a roofing contractor secure the condenser to the roof Refr
17. e Two probe conductivity sensor When water touches it the Water Present light will be ON Auger Motor e 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 e An LED emitter and photo transistor receiver set Pulsed infrared light is continuously emitted and received to detect ice in the chute December 2014 Page 15 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus 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 is the auger drive assembly liquid line solenoid valve 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 thermostatic 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 ope
18. ees 7 Fill out the warranty registration form and either file it on line or mail it 8 Notify the user of the maintenance requirements and whom to call for service Maintenance This ice machine needs five types of maintenance Remote condensing units need their condenser coils cleaned regularly e 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 Scale removal At least twice a year in some water conditions it might be every 3 months The yellow De Scale amp Sanitize light will switch on after a set period of time as a reminder The default time period is 6 months of power up time There are 4 available time period intervals 1 year 0 or disabled 6 months or 4 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 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 u
19. er Lights Flashing Unit Remotely Locked Out Contact Leasing Company Reset from Code 1 2 3 or 4 Depress Off then Depress On Component Operation Indicator Lights 02 4407 01 Location of Optional Smart Board December 2014 Page 12 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus 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 Status Watel DIS Sanitize De Fre Clean FAN Bir Code Cli Display Bo Control Operation See Manual RARO Te Water Light On Restore water supply to 2 Of machine aE Se De Scale Light On Clean and sanitize flashes No machine Nin Additionally a 7 segment display is under the front panel It shows operational status or problem codes The Power light is on Green anytime the machine is supplied with electrical power ee Indicator Lights amp Their Meanings Code Description EL epageeess Freeze Mode flashes Lae Bin is Full F Freeze Mode is Pending b CL waeneb ens Clean Cycle Live wae ma eo o Board Locked d O E cosi Test Mode Self Test Failed flashes No ice sensed Retrying a a awd ee No ice sensed Shut Dow
20. he seal 6 Allow the auger and seal to air dry until the sealant is dry on the surface 7 If the original water seal was leaking it would be a good idea to inspect the interior of the gear motor December 2014 Page 30 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Repair Procedures Replace the Evaporator Assuming all the steps for removal of the thrust bearing breaker auger and water seal have been performed 1 Close ball valves to isolate machine 2 Recover the refrigerant from the ice maker 3 Unsweat the refrigerant connections a At the thermostatic expansion valve outlet Heat sink the TXV body when unsweating or resweating the adjacent tubing e b At the suction line at the joint about 3 from the evaporator 4 Remove the evaporator 5 Unsweat the drier from the liquid line 6 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 7 Install an new drier in the liquid line 8 Evacuate the system until dehydrated then weigh in the nameplate charge Check for leaks 9 Install auger breaker breaker bearing assembly and ice discharge chute in reverse order of disassembly 10 Open ball valves To Reassemble the Evaporator and Auger 1 After the gear motor has been inspected fasten the evaporator to the gear motor Torque the bolts to 110 inch pound
21. igeration Installation Connections The liquid and suction fittings on the back of the cabinet are stubs The liguid line size is 3 8 OD The suction line size is 5 8 OD 1 Recover holding charge 2 Cut the stubs off 3 Braze line set tubing to each fitting Sweep with dry nitrogen while brazing 4 Dedicated condensing unit Evacuate complete system to 50 microns 5 Open the ball valves Rack The skills of a refrigeration technician are required to connect the ice machine to the building s refrigeration system Notes e R 404A models 1 5 ounces of R 404A refrigerant is in the system as a holding charge Be sure the liquid connection is NOT in series with another liquid line valve e Local Codes must be observed Dedicated condensing unit Add refrigerant charge Recommended starting field charge e NOOZ2L or F1222L 8 Ib R 404A e N1322L of F1522L n a rack only December 2014 Page 9 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Final Check List After Connections 1 Washoutthe 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 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 wa
22. move front panel Push and release the Off button Remove ice 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 Scotsman Ice Machine Cleaner contains acids These compounds may cause burns If swallowed DO NOT induce vomiting Give large amounts of water or milk Call Physician immediately In case of external contact flush with water 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 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 a bucket Return the hose
23. n 2 flashes Auger motor high load Retrying DO an ee Auger motor high load Shut Down we Y No water in reservoir 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 Light Actions De Scale amp Sanitize Steady Green Normal Normal Blinking Green Self Test Failure recommended Blinking Red ao Diagnostic shut down _ Lack of water Pe Yellow Time to descale and sanitize Blinking Yellow Yellow Switching on or off When Smart Board used machine attention A n Cleaning Mode Light Off be ion to Off December 2014 Page 13 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Component Indicator Lights The controller has six lights to indicate component operation Bin Eyes Blocked e This light is ON when the photo electric ice sensors have been blocked by ice Water Present e This light is ON when the water sensor has water touching it Comp e May light but is not used on this model Water Dispense e Not used o
24. n 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 December 2014 Page 3 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Location While the machine will operate satisfactorily within the air and water temperature limits it will operate more efficiently when those temperatures are nearer the lower limits Avoid locations that are hot dusty greasy or confined Options The standard machine will make ice until ice fills the bin and blocks an infrared light beam inside the bottom of the machine A field installed kit is available to adjust the ice level lower That 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 There is a field installed kit that can log data and provide additional information when the front panel is removed That kit number is KSBU A similar kit adds network connectivity and its number is KSB NU Bin compatibility All models are the same width 22 inches All models are the same depth 24 inches Bin amp adapter list e B322S no adapter needed e B330P Use KBT27 B530P Use KBT27 B530S Use KBT27 B842S Use KBT39 B948S Use KBT38 for a single unit B948S Use KBT38 2X f
25. n this model not present on Prodigy Plus Auger e This light is ON when the auger motor is operating Ice Dispense e Not used on this model not present on Prodigy Plus Control Button Use Recall diagnostic code e Hold off button in for 3 seconds Release e Press and release the Clean button to cycle through each of the last 10 error codes from most recent to oldest Clear diagnostic code e Hold Clean and Off buttons in for 3 seconds to clear all prior codes Reset control e Depress and release Off then depress and release On Start Test Mode e Hold Off button in for 3 seconds Release e Hold Clean button in for 3 seconds Release Lock Unlock control e Hold On button in for 3 seconds keep holding then press and release Off twice Component Operation Indicator Lights DISPENSE DISPENSE AUGER o fad December 2014 Page 14 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Electrical Component Details Liquid line valve e Opened by the controller to start ice making Closed to shut unit off Line voltage coil Controller e Senses water ice making and auger amps Controls liquid line solenoid coil and auger motor Indicates status and component operation Transformer e 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
26. o resupply it December 2014 Page 16 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Electrical Seguence with Condensing Unit Pushing and releasing the On button starts the machine The sequence of operation begins with water 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 liguid line valve will open and the flashing F will change to a continuous F An open liquid line valve allows refrigerant to flow from the condensing unit into the evaporator and suction line That raises the suction pressure at the condensing unit causing the low pressure switch to close starting the compressor Ice making 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 for a short time to clear the evaporator of any left over ice A b will show in the code display December 2014 Page 17 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Water System Water enters the machine through the 3 8 male flare Water Level The correct water level should be at the rear of the cabinet goes
27. 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 December 2014 Page 10 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus 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 up in about two minutes The liquid line valve will open and liquid refrigerant will flow into the machine For the units connected to a dedicated condensing unit the resulting increase in suction pressure will start the condensing unit and the condensing unit will begin discharging warm air from the remote condenser After about 5 minutes ice will begin to drop into the bin or dispenser 4 Check the machine for unusual rattles 5 Tighten any loose screws be sure no wires are rubbing moving parts Check for tubes that rub 6 Check suction pressure adjust EPR setting As shipped the EPR valve should maintain low side pressure at about 36 PSIG or 2 PSIG Note Machines will operate and make ice at the factory EPR setting For optimum performance adjust the EPR to the settings in the chart below Model Scotsman Rack Number Condensing Unit NO922L Full open 30 PSIG F1222L N1322L Not specified 26 PSIG F1522L Superheat will be 12 F or a few degr
28. or two units side by side BH1100 BH1300 and BH1600 upright bins include filler panels to accommodate a single 22 inch wide flake or nugget ice machine No adapter is needed Dispenser compatibility Only nugget ice models may be used with ice dispensers Flaked ice is not dispensable e 1D150 use KBT42 and KDIL PN 150 includes KVS KNUGDIV and R629088514 e ID200 use KBT43 and KNUGDIV and KVS e ID250 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 page Line Set NRTE45 is a non precharged tubing kit that contains a 45 foot 3 8 liguid line and a 45 foot 5 8 suction line Tubes are supplied nitrogen charged and capped 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 4 Remote Low Side Service Manual Includes Prodigy Plus N0922L N1322L F1222L F1522L Cabinet Layout 55 9
29. rates the machine to make ice only when needed It also monitors the 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 The sensor has been in two places one in a tube from the float tank and two in the float tank itself Either 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 now 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 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 in
30. s 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 December 2014 Page 31 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Repair Procedures The gear reducer Assuming that the procedures through removal of the water seal have been performed A WARNING Electrical Shock Hazard Disconnect electrical power before beginning 1 Remove the electrical wires from the gear drive motor 2 Unscrew the 4 cap screws holding the gear motor to the ice machine 3 Remove the gear motor from the ice maker To Inspect the gear motor 1 Remove the cap screws holding the gear motor case halves together and pry the two cases apart 2 To lift 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 motor 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 If there is evidence of water in the oil rusty bearings and gears the oil having a creamy whi
31. sing 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 11 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Controller Power Status Water De scale Location yd y4 hi d O e of Optional amp D NO Vari Smart Sanitize On Technician Section Description Freeze Mode Cleat Freeze Mode is Pending Bin is Full E Clean Cycle Spa Board Locked Control Operation See Manual Test Mode Water Light On Restore water supply to Off machine Self Test Failed De Scale Light On Clean and sanitize No ice sensed Retrying ees D Off for 3 a i No ice sensed Shut Down est Mode Depress or 3 seconds _ then depress Clean for 3 seconds ANGET MOHE MENGAN REYNO Auger motor high load Shut Down No water in reservoir Recall Diagnostic Codes Depress Off for 3 seconds Press Clean repeatedly to go from most recent to oldest of 10 Refrigeration pressure too high low Clear Diagnostic Codes Switch unit off depress and hold Clean and Off for 3 seconds All 4 Upp
32. spenser is full Reasons for this include 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 e Planning to sanitize the bin ice Seasonal changes in ice used e Faster turnover for fresher ice Circuit voltage type Low Certain dispenser applications where maximum ice level is not desired There are several positions the ice level can be set to including Off knob and label indicators lined up 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 y the knob points to the arrow Adi nad he Ladd on the label Dispenser applications Off Nugget ice only Set the adjustment knob to either the first or second position CW after the maximum fill position December 2014 Page 24 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Service Diagnosis Symptom Probable Cause Possible Correction Possible Correction No ice No power Check that ice machine and condensing unit if used both have power lf power light is out check transformer Code 3 No water Sta
33. t nitrogen to discharge access valve 11 Immediately place new valve in ice machine 12 Open nitrogen bottle and braze expansion valve inlet and outlet joints together Braze new drier into system 13 Shut off nitrogen shut access valves 14 Evacuate to at least 300 microns 15 Open ball and liquid access valves 16 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 17 Attach valve and bulb insulation 18 Reconnect electrical power 19 Return all panels to their original positions December 2014 Page 33 SCOTSMAN ICE SYSTEMS 7 75 Corporate Woods Parkway Vernon Hills IL 60061 800 726 8762 www scotsman ice com
34. t 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 eyes in chute Check for photo eye failure for Check for photo eye failure eye failure Optional Smart Board is controlling Check Smart Board settings ice level Ice level too high Adjustment knob set to maximum Check if Knob s arrow points to fill label arrow Sensor wire disconnected Check for proper connection of sensor wire to VS control board Bin Thermostat Symptom Probable Cause Possible Correction 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 Check continuity of bin thermostat when ice is on the capillary tube replaced if does not open December 2014 Page 26 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus 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 A WARNING Electrical Shock Hazard Disconnect electrical power before beginning
35. te 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 gearcase The two smaller gears and the oil should be in the lower case the output gear will be with the cover As you lower the cover onto the lower case cover will have to be moved closer to the second gear after the output gear has cleared the second gear top bearing 5 After the case is together and the locating pins are secure in both ends replace all cap screws 6 Bench test the gear motor check for oil leaks noise and amp draw Gear Case with First and Second Gears December 2014 Page 32 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Repair Procedures Thermostatic Expansion Valve 1 Remove front panel 2 lf the machine was in operation push and release the off button to shut it down 3 Disconnect electrical power 4 Shut ball and liquid line access valves to isolate machine 5 Recover refrigerant from head 6 Remove insulation covering expansion valve and bulb 7 Remove strap securing bulb to suction line 8 Unsweat the expansion valve from the liquid line Remove it 9 Unsweat the drier from the liquid line Remove it 10 Connec
36. ter supply connections been made 5 Haveall the drain connections been made 6 Has the unit been leveled 7 Have all unpacking materials and tape been removed 8 Is the correct switch bezel installed in the trim strip 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 14 Has the ice machine been properly connected to the condensing unit or rack Control Operation Use and 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 Indicator Lights Switch Door e Power 9 amp Status MU un e Water e De scale amp Sanitize Prodigy Plus Under the door are two switches On and Off To switch the machine OFF push and release the Off button The machine will shut
37. to its original position 13 14 15 16 LA 18 19 20 21 22 23 24 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 December 2014 Page 21 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus 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 ST Bail Clamp na i a DZ pe S Fy Ey beg fy I 3 Removing the water shed amp unscrewing the breaker
38. to the water reservoir checked when the machine is making ice Check which it enters through the float valve the water level in the reservoir and compare it to the The float valve maintains a constant level of water in horizontal line molded into the side of the reservoir the reservoir and evaporator as water flows out the bottom of the reservoir tank to fill the evaporator The correct level should be between 1 8 above and 1 4 below the line If needed bend the float arm up Reservoir overflow or evaporator condensation is or down to adjust the water level routed to the drain Water cooled models have a separate water circuit for the cooling water it enters the fitting at the rear goes to the water regulating valve then to the water cooled condenser and down the drain Float Valve and Water Reservoir Water Level Water Sensor now in water reservoir gt a b 4 Condensate Pan Evaporator Water Inlet Water Schematic December 2014 Page 18 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus Remote Refrigeration with Condensing Unit A condensing unit s compressor concentrates the heat From the evaporator the refrigerant carrying the from
39. tus 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 water inlet tubing for restriction check for condensing unit or 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 Code 2 Auger motor draws too many amps controller shuts unit off tightly or auger bearings Bin Eyes Blocked light is On No ice in the chute Check position of sensors check sensors for scale build up Everything is in operation but no refrigeration effect water system Restricted water supply to evaporator revise hose and reservoir Expansion valve superheat Check superheat incorrect December 2014 Page 25 N0922L N1322L F1222L F1522L Remote Low Side Service Manual Includes Prodigy Plus 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 b in code display no bin Chute thermostat is open Check chute thermostat thermostat No ice power ligh
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