Ice-O-Matic GEM1856 User's Manual
Contents
1. ee M un wx ees c Ice Sweep 2 A LEE Allen Screws s Breaker Bearing and Auger Assembly 42 Breaker Cover lt 22 GEM Models A W Service Diagnosis Symptom No ice is made nothing operates No ice auger motor is turning Possible Cause2. For The Installer 9 50 241 EN 2 64 6 7 4900 106 7 7 AIR INTAKE EXHAUST x ELECTRICAL INLET JUNCTION BOX S N 18 73 47 61 ex 20 48 Page 4 GEM Models A W For the Installer Bin Application The Pearl Series are designed to fit the following Ice O Matic Bins 842 using Bin 24 Note GEM0650 GEM0655 and GEM0956 ONLY eB25 B40 B55 using Bin Top KBT19 eB100 using Bin Top 23 one unit 22 two units eB100 using Bin Top KBT 26 GEM1855 56 only eB120 B150 B170 Not designed for GEM Series Dispenser Application The Pearl Series be plac
3. 2 Unscrew the ice sweep 5 Inspect the bearing There should be plenty of grease in sight If grease is needed the bearing and 3 Removing the water shed and breaker should be removed to check unscrewing the breaker cover the action of the bearing Note Left Hand Threads It should rotate freely 6 To remove the breaker remove the lower ice chute then take out all four 4 Allen head cap screws and pull the breaker off the auger and evaporator 7 If the bearing only needs grease inject grease into the bearing using a grease needle 4 Unscrewing the auger stud See Removal and Replacement Section to replace bearings and seals Page 19 GEM Models Sensor Maintenance lide Bi Bin Control Sensor cones lt gt The bin control uses devices that sense light therefore they must kept clean enough so that they can see At least twice a year remove the bin control sensors from the base of the chute and wipe the inside clean as
4. these minerals requiring a more frequent removal than twice per year If in doubt AVERTISS about the condition of the evaporator and auger the auger can be removed so the parts can be inspected Note Water filters can filter out suspended solids but not dissolved solids Soft water may not be the complete answer Check with a water treatment specialist regarding water treatment For more information on removal of these parts see Removal and Replacement Disconnect electrical power to the ice machine circuit d alime Turn off the water supply to the ice machine vic ane To remove the auger remove the front and top panels Push back the bail clamp holding the ice chute cover to the ice chute and remove cover Remove ice chute from evaporator Remove four 4 Allen screws holding breaker to evaporator Drain the evaporator by lowering and uncapping the evaporator drain hose Pull up to remove the auger After the auger has been removed allow the auger to dry if the auger is not bright and shinny it must be cleaned 9 Clean the auger and evaporator as required DO NOT HONE THE EVAPORATOR 10 Replace the water seal 11 Reverse to reassembl
5. 1 Remove the chute cover
6. GEM Models Air Water Cooled GEM0650 GEM0956 GEM1256 GEM1856 E Pearl Ice Series Ice O Matic 11100 East 45th Ave By Ice O Matic Denver Colorado 80239 Part Number 9081350 01 17 3143 01 Date 10 08 GEM Models A W Introduction How To Use This Manual Ice O Matic provides this manual as an aid to the end user and service technician in installation and maintenance of the Pearl Ice Series ice machines Do not attempt to perform installation start up or maintenance unless you have read and fully understand this manual If at any time you encounter conditions that are not addressed in this manual call E mail or write the Ice O Matic Service Department Ice O Matic 11100 E 45 Ave Denver Co 80239 Attn Technical Service Department E Mail Tech service iceomatic com Telephone Numbers Any Service communication must include 800 423 3367 All Departments e Model Number 888 349 4423 Technical Assistance Only e Serial number 303 371 3737 e detailed explanation of the problem Keep this manual for future reference The GEM Service Parts Manuals are available separately Ice O Matic icemakers and dispensers are not approved for outdoor installation WARNING Always disconnect electrical power and shut off water supply whenever maintenance or repairs are performed on the ice machine and related equipment CAUTION Always wear protective eyewear whenever maintenance or r
7. 22 Service Diagnosis 23 Control 25 Removal and Replacement Water Reservoir and Bin Page 26 Removal and Replacement Bearing and Breaker Page 27 Removal and Replacement Page 28 Removal and Replacement Water Page 29 Removal and Replacement Page 30 Removal and Replacement Gear Page 31 Removal and Replacement Fan Blade and Fan Page 32 Helrigeradorn System 33 Wirmo Cc RT PRETI dsc 34 DOI IIS ONY 39 Page ii GEM Models A W Freight Claim Procedure Important Inspect Promptly This merchandise has been carefully inspected and packed in accordance with the carrier s packing specifications Responsibility for safe delivery has been assumed by the carrier If loss or damage occurs you as the consignee must file a claim with the carrier and hold the container for carrier s inspection Visible Loss or Damage Any external evidence of loss or damage must be fully described and noted on your freight bill or express receipt and
8. JATER INLET CX 20 84 509 34 Ed 3 8 1 0CM FLARE 14 25 36195 VNTC HOLES 8 243 1315 2 MNTG HOLES x 3 ex 300 76 20 aT PA EX 163 e A VDO SIDE VIEW CONDENSER DRAIN JOE de ONE WATER COOLED ONLY 4 Mt 4664196 DRAIN ICE O MATIC AIR INTAKE 2700 685 80 GEM Models A W For The Installer GEM1256A W REMOTE DISCHARGE OUTLET MALE COUPLING REMOTE ONLY S 1 66 448 561 i 6 00 152 40 MIN REMOTE LIQUID INLET CONNECTIONS JALE COUPLING 52 UTILITY un CTIUNS Q QH 3 100 REMOTE ONLY ELECTRICAL INLET VET EE 3 8 FLARE 6 00 152 40 MIN LIA jum ET DRAIN 2 AIR VENTILATION 500 S240 MIN T REMOTE CONDENSER _ 3 4 AIR VENTILATI JUNCTION BOX d nw Pu ne p c X CU 52796 N N N 2X 361 142 49
9. off due to no power off due to master switch in OFF position off due to low water level Unit off due to ice level sensors Photo Eyes blocked eUnit off due to scale on water level Sensor off due to high pressure control open eAuger motor hums but does not turn is shut down eLow pressure control open No power to circuit board Circuit board gear motor relay will not close Compressor contactor coil is open Compressor will not start Page 23 Probable Correction Restore Power Switch master Switch to ON eCheck water supply filter Strainer float valve Correct water supply eCheck clean ice level sensors Clean water level sensor eCheck for water interruption water cooled of fan motor failure eAuger can t turn Circuit board has not yet shut it down Circuit board has shut ice machine down due to high auger motor amp draw Check for cause of high amp draw including bearings gear motor condition and scale on auger and in evaporator eAuger not turning due to motor failure auger relay failure on circuit board or or gears stripped Check drive train restricted or not metering Check bulb temperature eLack of refrigerant check for leak eCheck for a restricted system eCheck harness Hi or low pressure cut outs open Check replace board contactor eCheck sta
10. edu CONDUCTIVITY pesi T PROBE COBY 9 8 7 BINFULL Bk DETECTOR ALL CONTROLS SHOWN IN CONTROL BOX Page 35 Diagram irin W GEM Models A W Od 6 e NOY yb A dvo 1515 4 AINO d31002 Moss34dNo2 4 LOW gt LLI Zl ON 100 OD 339nv uaenv ON es HOLIMS NOLSISNYH I OLOHd 2412 To v 5 J d Lin asi ALIALLONONOD z1 AlddNs Wiring Diagram GEM0655 A W GEM0955 A W ONDIVIN 321 NI NMOHS S1041NO9 Tv HOLOW LSNW LINN SIHL 2i KINO SYOLONGNOD 434409 3sn CN lt OTO WS EKIS HOLIMS WONSIMLNSD 2 S 2 371 3514 ONY Adds 903 31v Id3WvN 335 SNYHL dolo3i30 J ALIAILONGNOD 937 d3 LLIN3 AINO 9531003 aroa HDH na lOHLNOO2 S quvogs HOLIMS 3000 D 8 6 1859 569 DDE D XL L H MDIOVINOO e 5 1 H e 8 n L THAD dva l HDT 1515
11. A acon ES AIT a e a 9 Bin Drain gt waerm ze Vented Drain Vented Drain Condenser Inle Water Inle Water In sd Condenser Drain Floor Drain Page 8 GEM Models A W For the Electrician Electrical Connections Check the ice machine nameplate located on the back panel for the voltage requirements and minimum circuit ampacity The ice machine requires a solid chassis to earth ground Connect the ice machine to its own electrical circuit so it is individually fused Voltage variation must remain within the limitations even under starting conditions Note All external wiring must conform to national state and local electrical codes The use of a licensed electrician is required to perform the electrical installation Power Supply Water Cooled Models Electrical Inlet Air Cooled Models Page 9 GEM Models A W For the Installer Final Check List E RE S E E E E Is the ice machine installed indoors in a location where the air and water temperatures are controlled and where they do not exceed the design limitations Is there an electrical service disconnect within sight of the installed machine Has the voltage been checked and compared to the nameplate requirements Have all the plumbing connections been made and checked for leaks Is the ice machine and storage bin leve
12. d este FRONT 2X BIN 16 308 85 m 55 n J P MNTG HOLES ta ICE CHUTE OPENING 7 Ces DAD m 16 12 409 45 BOTTOM OS elias ISP REAR VIEW NOTE DIMENSIONS INCHES CENTIMETERS AIR INTAKE X N EXHAUST AIR FR COOLED O le E TNC IGN 7 0 INLET OCM 3 8 1 FLARE CONDENSER DRAIN Pu 1 9 13 P di 1217 309 041 SIDE VIEW WATER COOLED ONLY 7 34 1904 12 80 325428 25 157151 ICE O MATIC Page 3 GEM Models A W GEM1856 1855 Air Note The GEM1800 series is equivalent to two GEM950 s consolidated into one cabinet Utilize the GEM 950 specifications for service and technical information m 400 610 ACCESS PANEL BOTH ENDS
13. RH Nir ta 4 Y 7 TR 4 14 GEM Models A W Electrical Sequence Electrical Sequence There are 7 indicator lights on the control board eWTR OK Water OK Green Normal Glowing Glow when there is water in the reservoir ePWR OK Power OK Green Normal Glowing Glows when the power board has power and is functional eService Hed Normally Off eFreeze Hed Normally glowing when making ice eBin Full Red Normally Off when making ice eLED1 White Located next to the Control Board s Compressor Relay Normally glowing when making ice eLED2 White Located next to the Control Board s Auger Motor Relay Normally glowing when making ice If the machine is switched OFF at the mode switch but otherwise ready to go switching the mode switch ON does the following PWR OK light glows elf there is water in the float reservoir the WTR OK light glows eAfter 10 seconds the Freeze LED1 and LED3 lights glow and the machine starts up Start Up compressor relay and auger motor relay become energized connecting power to the windings of the auger motor and contactor coil contactor is energized connecting power to the compressor and the compressor starts eAs ice is made it passes between the ice level sensors but because it is not a continuous stream it only interrupts the sensor s infrared beam momentarily The bin full light remains off and the machine stays on until
14. 3 i zt Um h n zi EHE 1 7 P F 7 Er PE lh FA e Pct EE Ld 175 ha ru MEE TNR ERE LE DET m 3 m 4 3 a d a Lue a yet dr den efe t TR i Te hann Hs TEN rs i oe Eiran crt e al i rr T 1 T mt eme y n yit irn pak 1 PE d 5 x E RU TN aM wi rtr Ar pM vor x wer e JL Ice Chute Evaporator Drain Evaporator Water Inlet Drain Page 16 GEM Models A W Operation Performance Beginning at the compressor the refrigerant is compressed into a high temperature gas The discharge line directs this gas to the condenser At the condenser air or water cooled the gas is cooled by either air or water and then it condenses into a liquid This high pressure liquid then goes through the liquid line to the expansion valve The thermostatic expansion valve meters liquid refrigerant into the evaporator the volume of liquid refrigerant depending upon the temperature of the evaporator At the evaporator the refrigerant enters an area of relatively low pressure where it can easily boil off or evaporate As it evaporates it absorbs heat from the evaporator and whatever is in contact with it such as water inside it After the evaporator t
15. 17 2703 01 START LOWPR IGH PRE CAP CONTROL CONTROL BU R POTENTIA R gt EN 4 1 EARTH GROUND gt 5 SEE NAMEPLATE N BK FOR SUPPLY VOLTAGE 2 ec AND MAX FUSE SIZE JUNCTION BOX 2 ie USE COPPER CONDUCTORS ONLY en THIS UNIT MUST BE GROUNDED CONTACTOR 5 BU E T2 BU BE Y OMPRESSOR EN NC 2 1 Bk CENTRIFUGAL 6 5 4 AIR COOLED SWITCH ONLY BIN FULL EMITTER LED 32 M AUGER DRIVE O0 BIN FULL ALL CONTROLS SHOWN MODE DETECTOR IN ICE MAKING MODE PS PHOTO TRANS XC NN i CONTROL BOX Page 34 GEM Models A W Wiring Diagram Wiring Diagram GEM0956 A W GEM1256A W 17 2678 01 BU START LONHESS HIGHFRESS CAP CONTROL BU BK V R POTENTIAL R RELAY EARTH GROUND Lm BK SEE NAMEPLATE BK FOR SUPPLY VOLTAGE AND MAX FUSE SIZE F 7 JUNCTION BOX YD 43 USE COPPER CONDUCTORS ONLY pO T T THIS UNIT MUST BE GROUNDED CONTACTOR lt BU gt O2 TH BK BU Y R H R Y OCMPRESSCR V FAN R 4 NC 02 2 CENTRIFUGAL GNr 5 4 AIR COOLED START SA ven SOLO BK 4 HG 8 BIN FULL RUN EMITTER BK gt LED 2 3 2
16. 80 psi 4 1 bar Note If water pressure exceeds 80 psi a water pressure regulator must be installed Drains All drain lines must be installed per local codes Flexible tubing is not recommended Route bin drain vented float overflow drain and water condenser drain individually to a floor drain The use of condensate pumps for draining water is not recommended by assumes no responsibility for improperly installed equipment Water Filtration A water filter system should be installed with the ice machine Clearance Requirements Self contained air cooled ice machines must have a minimum of 6 inches 15cm of clearance at the rear and sides of the ice machine for proper air circulation Stacking Ice O Matic Pearl machines are not designed to be stacked Dispenser Application The Pearl Ice M machine is approved for specific dispenser applications reference page 4 Electrical Specifications Refer to the serial plate at the rear of the ice machine to make sure proper voltage and circuit breaker size have been supplied Make sure the machine is on a dedicated circuit The Pearl Ice M Series are not supplied with an electrical power cord and will need to be installed and wired per local electrical codes Adjustments Level the machine within 1 8 inch in all directions Adjust the cabinet or bin legs as required Check the bin control for proper operation Check the water level in the reservo
17. Bearings As the ice is pushed up the evaporator the auger is thrust down and pressure from the auger thrust is taken up by this bearing Ice Sweep Bearing Breaker Divider Auger 4 Evaporator dl Tte e m t r Ts ED 4S alot nj 4 2724 Par PTER d s LE a qe m D PEE buena nns hr 2 5 5 a D gt PUR gt xt ur z f 12 i LV Ys 3 ay 4 d 2 pM ae C RER T i 5 5 M T 4 21 5 1 3 wer E 5 Pa E 1 T ee ur Te reel vA TS TT D EE SIL ee eee Ar ut gt QUON DEAN ET L M CP EC PUE E eX 4 2 ES HS TAS b AU TE DUST 14 4 SOON IT 59 aA Seer ad 7 Pol gt t de Sis wn EAST Motor Ext ad Ser VEIT y re 2 22 25 DEUS pits fe tr P T 1 ar M 4 Water Seal M hese SORES 2 0
18. Place the fan motor assembly lower flange holes over the two Allen head cap screws in the base and install the hex head boltsat the top of the assembly Plug the fan motors back in and replace the panels OD Fig 1 Fig 2 Page 32 GEM Models A W Refrigeration System Service Refrigeration Service General This ice machine uses 404 refrigerant and polyolester oil Do NOT use mineral oil in this refrigeration system eWhen the refrigeration system is serviced a special liquid line drier is required It is included with replacement compressor R404A is not compatible with mineral oil so these ice machines use Polyolester oil Polyolester oil absorbs water very easily A system opened for service must be re sealed as soon as possible 15 minutes maximum eSpecial leak detection equipment is required to locate small refrigerant leaks Usually a leak detector capable of detecting Halongenated refrigerant or HFC 134a will work Check with the leak detector manufacturer if in doubt eEvacuate to 300 microns eLiquid charge the system Torque Stem to 6 8 ft Ib Torque caps to 7 12 ft Ibs Access Valves To use the access valves eRemove the cap from the stem use a 3 16 inch Allen wrench to check that the valve is CLOSED Then remove the core cap eClose the valve and replace the caps when done The valve must be closed and the caps tightened Instructions for Liquid Charging R404A In pr
19. The Service light will then be glowing continuously To Reset e Switch power to the unit off and then back Other Protection Devices elf the high pressure control cut out switch opens the machine will stop immediately It will automatically reset when the high pressure falls below its cut in point elf the low pressure control cut out switch opens the machine will stop immediately It will automatically reset when the pressure rises above its cut in point mode ON OFF switch is the manual control for the complete machine but it is not a service disconnect Page 15 GEM Models A W Operation Water Water enters the machine through the 3 8 inch male flare at the rear of the cabinet goes to the water reservoir which it enters through the float valve The water then goes out the bottom of the reservoir tank to the bottom of the evaporator Reservoir overflow or evaporator condensation is routed to the drain Water cooled models have a separate water circuit for the cooling water The water enters at the rear goes to the water regulating valve then to the water cooled condenser and down the drain Water System Water Inlet Heservoir m Water Level pup 73432 te Na m lr NIS 1 E ricas nr Po md s ake Fa 274 8a Dm Dm Rr e E 7 Zur EE per
20. and remove ice sweep Lift up and remove ice chute The breaker may be removed from the auger and evaporator without disturbing the auger a Unscrew breaker cover from breaker Note Left Hand Threads b Unscrew auger stud from top of auger Fig 1 c Unscrew four 4 Allen head cap screws holding breaker to evaporator Fig 2 d Lift up and remove breaker bearing assembly from auger and evaporator Fig 3 7 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 pushing against the outer edge only they will not install by hand c Replace parts as required Re grease bearings with PN6051062 01 bearing grease d Replace top seal and check the O Rings replace if cut or torn 8 Reverse to reassemble Specific tools and materials are required to install properly Add food grade grease such as PN6051036 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 gt 1 Fig 2 Fig 3 Bearing 5 mE 4 Ice Sweep 4 VA Seals Sum E ems Z c 21 i E Breaker Cover ee
21. are any eCheck the power supply to the ice machine Reset the breaker if it is tripped elf both water and power have been checked and are available try switching the power OFF and then ON After 2 minutes the machine should restart If this procedure restarts the machine service should be called the next time the machine stops Model Number Serial Number Install Date Page 39
22. areas where the water is highly concentrated with minerals the water should be tested by a water treatment specialist and the recommendations of the specialist regarding filtration and or treatment should be followed Drains eAir Cooled Models Connect a rigid drain tube to the 34 FPT drain fitting at the back of the cabinet The drain is a gravity type and a inch per foot fall is the minimum acceptable pitch for the drain There should be a vent at the highest point of the drain line and the ideal drain receptacle would be a trapped and vented floor drain Use only 34 inch rigid tubing eWater Cooled Models Connect a separate drain line to the 12 inch condenser drain connection at the back of the cabinet Do not vent this drain eStorage Bin Connect a separate gravity type drain line to the ice storage bin drain Vent this drain if there is a long horizontal run from the bin to the floor drain Insulation of this drain line is recommended WATER COOLED MODELS e RN AIR COOLED MODELS 4 lt 0 gt M 22 gt Water Filter Water Filter ZA gt e d Vented Drain s e Hand Valve g pe y Hand Valve d Condenser Drain E 7 E J p sr DU L 1 A nag 1 4 r F IB Hf Me yg
23. gt LO ZO 2 Page 36 Diagram irin W Wiring Diagram GEM1856 Air GEM Models A W AMI lOd 38 157A SIHI SHOLOPnIONOS 557 321 NI N AGHS INGO TI 1 O 38004 y ime tu me bylaws GG T Aur 04 48 M tush HILINE a 4 ML 6 t y Eja x 3 TOW LRCEO Laos HELMAS SOON We LAOS SNWELL i 21S SOON uico 9 38 1 1 380d a yg 1 1 uu t am E SOLON L uu oy Ti a HA SAMO cena Dr 0 oo HOLMES m was aa10023 He A En i gt N EE Be y Es gt pce E on 5 1 1 1 Di LOA Adans e a 336 3515 ONY AAC Q XOS 37 Diagram irin W GEM Mod
24. in any way including the use of any part and or other components not specifically approved by Ice O Matic Ice O Matic reserves the right to make design changes and or improvements at anytime Specifications and design are subject to change without notice Page 6 GEM Models A W For the Installer Allow 6 Clearance for Air Circulation COMM gue vy Allow 6 Clearance for Air Circulation A proper installation locates the Two Units on One Bin ice machine indoors but in a place where the heat and noise it produces are not objectionable Air cooled machines discharge hot air out the back and must have a minimum of 6 inches of clearance behind the ice machine opace for maintenance access is also important If two units are placed side by side on a bin side access becomes even more important Page 7 GEM Models A W For the Plumber Water Inlet eAir Cooled Models The recommended water supply is clean cold water Use 3 8 inch O D copper tubing connect to the 3 8 inch male flare at the back of the cabinet Install a hand valve near the machine to control the water supply eWater Cooled Models A separate 3 8 inch O D copper line is recommended with a separate hand valve to control it Connect to the 3 8 inch FPT condenser inlet at the back of the cabinet The water pressure to all lines must always be above 20 psig and below 80 psig eWater Treatment n most areas a water filter of some type will be useful In
25. o 41 c Page 27 Models A W R amp R Auger To Remove the Auger 1 Disconnect electrical power 2 Turn off the water to the machine 3 Unclip the evaporator drain hose pull it down and drain the evaporator into the bin or container Remove the top panel Swing bail clip down and remove the ice chute cover Unscrew ice sweep Remove ice chute The auger and breaker bearing may now be removed as an assembly a Unscrew four 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 removed from the auger 9 The breaker may be removed from the auger and evaporator without disturbing the auger a Unscrew breaker cover from the breaker Note Left hand Threads b Unscrew auger stud from top of auger c Unscrew four 4 Allen head cap screws holding breaker to evaporator d Lift up and remove breaker from evaporator e If the auger is stuck use a slide hammer type of puller to pull on the auger at the threaded hole The size of that hole is 5 8 18 10 Inspect the auger the critical areas of the auger are a The auger 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 b The water seal area Because the auger has been removed the wa
26. signed by the carrier s agent Claim should be filed on a form available from the carrier Concealed Loss or Damage If loss or damage does not appear until merchandise has been unpacked make a written request for inspection by the carrier within 15 days of the delivery date Then file a claim on a form from the carrier File Claim Without Delay Do Not Return Damaged Merchandise to Page iii GEM Models A W Warranty Ice O Matic Parts and Labor Domestic amp International Limited Warranty Mile High Equipment LLC the Company warrants brand ice machines ice dispensers remote condensers water filters and ice storage bins to the end customer against defects in material and factory workmanship for the following e Cube ice machines GEM model compressed ice machines Ice storage bins Twenty four 24 month parts and labor model flake ice machines and remote condensers Thirty six 36 months parts and labor e EF and EMF model flake ice machines Twenty four 24 100 model dispensers Twenty four 24 months parts Twelve 12 months months parts and labor labor e CD model dispensers Thirty six 36 months parts and Water filter systems Twelve 12 months parts and labor not including filter labor cartridges An additional twenty four 24 month warranty on parts excluding labor will be extended to all cube ice machine evaporator plates and compresso
27. start up sequence in automatic a There should be a short 10 second delay before the gear motor starts b After the gear motor starts the compressor will start 4 cooled models the condenser will begin to discharge warm air on water cooled models the water regulating valve will open and warm water will be discharged into the drain 5 The unit should soon be making ice if desired the low side pressure may be checked it should be 32 psig 2 psig The suction line temperature at the compressor is normally very cold nearly to the point of frost up to the compressor body but not on it The air cooled discharge pressure will depend upon air and water temperatures but should be between 200 psig and 280 psig The water cooled discharge pressure should be a constant at about 245 psig Note The above pressures are for new clean machines You can expect to see some values higher and some lower between different units There are no adjustments to make so replace the panels Clean and or sanitize the storage bin interior wipe off the exterior with a clean damp cloth Give the owner user the service manual instruct him her in the operation of the unit and make sure they know who to call for service 9 Fill out the manufacturer s registration and mail it to Ice O Matic po ce Page 11 GEM Models A W Component Description eControl Box Contains the electrical controls that operate the machine eHigh Pressure C
28. VAY EG UMS a Al Gear Motor Ice Discharge Chute Ice Level Sensor GEM Models A W Component Description eContactor A definite purpose contactor connecting the compressor and the fan motor to the power supply eCircuit Board Controls the operation of the ice machine using input from the sensors and pressure controls owitches loads on and off thru relays Reference Photo Below ePotential Relay The compressor start relay eMode ON OFF Switch Manual control for the machine Control Board Water OK Light t X Power Light Service Light Freeze Light Bin Full Light LED1 Compressor Relay LED3 Auger Relay Page 13 GEM Models A W Component Description eEvaporator A refrigerated vertical tube filled with water and containing a water seal and auger eAuger solid stainless steel double spiral auger it pushes the ice crystals up to the top of the evaporator eWater Seal A two part face seal the top half rotating with the auger the bottom half stationary the sealing action being where the two faces meet elce Sweep A plastic cap with fingers It revolves with the auger to sweep the ice into the ice chute eBreaker Divider Where the ice is compressed and much of the extra water is squeezed out of it before it is discharged into the bin eMotor A split phase motor that drives the gear reducer eThrust
29. alant Such as 732 RTV ems 7 on the area of the auger where the water seal is to be mounted ep 5 Carefully push the water seal Rubber side against the auger M 4 e n shoulder and the silastic Co R Caution DO NOT get any silastic onto the face of the seal mme 7 6 Allow auger and seal to air dry until the silastic is dry 7 If the original water seal was leaking it would be a good idea to inspect the interior of the gear motor Place Food Grade Sealant Replacing the Water Seal _____ Page 29 GEM Models A W R amp R Evaporator To Replace the Evaporator Assuming all steps for removal of the thrust bearing breaker auger and water seal have been performed 1 Recover the refrigerant from the ice machine 2 Unsweat the refrigerant connections a At the thermostatic expansion valve outlet b Atthe suction line at the joint about three 3 inches from the evaporator Remove the evaporator Unsweat the drier from the liquid line 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 a 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 rev
30. ater supply to the ice machine will contain a high concentration of minerals and that will result in an evaporator and auger becoming coated with
31. curred in the field incidental to the repair of equipment covered by this warranty The decision of the Company with respect to repair or replacement of a part shall be final No person is authorized to give any other warranties or to assume any other liability on the Company s behalf unless done in writing by an officer of the Company GOVERNING LAW This Limited Warranty shall be governed by the laws of the state of Delaware U S A excluding their conflicts of law principles The United Nations Convention on Contracts for the International Sale of Goods is hereby excluded in its entirety from application to this Limited Warranty Mile High Equipment LLC 11100 East 45 Avenue Denver Colorado 80239 303 371 3737 January 2007 Page iv GEM Models A W For the Installer Installation Guidelines For proper operation of the Ice O Matic ice machine the following installation guidelines must be followed Failure to do so may result in loss of production capacity premature part failures and may void all warranties Ambient Operating Temperatures Minimum Operating Temperature 50 10 Maximum Operating Temperature 100 38 Note ice makers and dispensers are not approved for outdoor installation Incoming Water Supply Minimum incoming water temperature 40 F 4 5 C Maximum incoming water temperature 100 F 38 Minimum incoming water pressure 20 psi 1 4 bar Maximum incoming water pressure
32. e
33. ed and used with certain ice and beverage dispensers Kits are required for proper operation IOM Pearl Ice Accessory List Dispenser GEMONG6 125 Ice O Matic 100150 KBT15022 KGEMDIV KBT15022 KGEMDIV Does not fit Ice O Matic IOD200 or KBT25022 KGEMBIOD KBT25022 KGEMBIOD KBT25030 KGEMBIOD KGEMDIV 100250 KBT15022 KBT15022 Does not fit Cornelius ED or DF150 R629088514 Cornelius R629088514 Cornelius Model Model Cornelius ED DF200 25022 KGEM200 KBT25022 KGEM200 KBT25030 KGEM200 Cornelius ED DF250 25022 KGEM250 KBT25022 KGEM250 KBT25030 KGEM250 Lancer Nugget Ready N A N A N A Flavor Select N A N A N A SerVend S 200 SV200 5 250 SV 250 Ice Machine Specifications GEMO650A 21x24x27 115 60 1 Air 19 5 30 24 GEMOG50W 21x24x27 115 60 1 Water 18 3 30 19 GEMO655A 21 24 27 230 50 1 Air 10 1 15 24 GEMOG55W 21x24x27 230 50 1 Water 9 5 15 19 956 21 24 27 208 230 60 1 Air 11 3 15 30 GEMO956W 21x24x27 208 230 601 Water 10 8 15 22 GEMO955A 21 24 27 230 50 1 Air 13 4 20 30 GEMO955W 21x24x27 230 50 1 Water 13 1 15 22 GEM1256A 30x24x27 208 230 60 1 Air 15 0 20 36 GEM1256W 30x24x27 208 230 601 Water 14 3 20 24 GEM1856A 42x24x27 208 230 60 1 Air 21 0 25 30 GEM1855A 42x24x27 230 50 1 Air 25 1 30 30 Page 5 GEM Models A W For the Installer Location Ice O Matic ice machines are designed to be installed indoors in a controlled environment In
34. els A W Wiring Diagram GEM1855 Air V 13M lOd SNDIVIN 321 NI NMOHS 5708 TIV OLOHd soaa 9 380td es 037 1 1 0371000 I I I I I I i I 1 1044405 1190 OLOHd 328 7103 NI8 ALIALLONGNOD YSLLWS HOLIMS AINO 1 0310029 2 m iT ps un pa n sme s RR ee QD ir n pt m d RR RR E MR RR RUN is p RN RU lt 376 3Sn4 Aldd s 38 5 SIHL MOd3lVld3WVN 335 AINO SSOLOnQNOO 4344095 JSN annoys Hiva 00 44 1391405 Page 38 GEM Models A W Service History What to Do Before Calling for Service eCheck the water supply to the ice machine The ice machine is designed to shut off if there is no water to it Check the water filters if there
35. epairs are performed on the ice machine and related equipment Pagei GEM Models A W Table Of Contents Table of Contents tc cem Pagei Mable Of Gone Page ii Page iii EE iv For Thedpstaller Guldelilies ____ ____ _ ____ 1 FOF Installer Applications 5 LOCAU mE 6 8 an PUR 9 Ror The nstaler LISI o moe etos Page 10 rH PH IL m Page 11 Gees Bede ce Page 12 Electrical SCOUCIN E a Page 15 Waler E 16 a totus Dos ee Page 17 Santang 18 Bearno 19 SENSOr Mantenan Oean 20 Alr Gooled Mantenan E 21 PUIG CTIA
36. eparation for charging the low side hose should have a sight glass and or a restricting device Such as a Charge Faster installed in it for metering liquid into the low side of the system After a through evacuation shut off the manifold valves and switch off the vacuum pump Place a drum of R404A onto an electronic scale Attach the charging hose to the drum Open the valve on the drum and purge the charging hose Zero out the scale Shut the low side access valve at the ice machine Open the discharge manifold valve full open Low Side High Side Watch the scale when the correct charge is shown shut the manifold valve Note If all of the charge will not go in the discharge side a Shut the discharge access valve at the ice machine b Switch the machine on c Open the low side access valve at the ice machine d Open the low side manifold valve and observe the sight glass to be certain that only gas is flowing into the system e When the proper charge is indicated on the scale shut off the manifold COND valves 9 Shut off the valve on the refrigerant drum 10 Re open the manifold valves until all liquid SCALE has flowed out of the hoses 11 Shut the low side access valve on the ice machine 12 Remove hoses from ice machine and replace all caps Hose Connection Schematic for Liquid Charging Page 33 GEM Models A W Wiring Diagram Wiring Diagram GEM0650 A W
37. erse order of disassembly 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 pounds 2 Lower the auger into the evaporator barrel slightly turning it to match up with the drive end Do Not Drop the auger into the evaporator 3 Complete the reassembly by reversing the disassembly for the breaker and thrust bearing Breaker Divider Caution Heat sink the TXV body when unsweating or resweating the adjacent tubing Page 30 GEM Models A W R amp R Gear Motor Check the Gear Motor 1 Remove wires from terminals 1 and 2 2 Use an ohmeter to check for continuity If there is none replace only the motor If there is continuity but the motor will not start check the motor s start switch 3 Remove motor end bell or motor stator With ohmmeter wires attached to 1 and 2 move centrifugal switch actuator up and down to simulate motor rotation If the ohnmeter does not show any change replace the switch or motor If the ohmeter showns an open circuit replace the switch or motor Prin ahi To Remove and Repair the Gear Motor Assembly Assuming that the procedures through removal of the water seal have been performed 1 Remove the electrical wires from the gear drive motor 2 Unscrew the four 4 cap screws holding the gear motor to the base of the machine remove the gear mo
38. he refrigerant now a low pressure vapor goes through the suction line back to the compressor where the cycle is repeated Typical Low Side Pressure Air Cooled 34 38 PSIG Water Cooled 32 PSIG Typical Discharge Pressure Air Cooled 220 275 PSIG Water Cooled 245 PSIG Typical Compressor Amp Draw GEM0650 A amp W 115 60 1 8 9 Amps GEM0655 A amp W 230 50 1 5 7 Amps GEM0956 A amp W 208 230 60 1 4 5 Amps GEM0955 A amp W 230 50 1 4 5 Amps GEM1256 A amp W 208 230 60 1 5 6 Amps GEM1855 230 50 1 4 5 Amps GEM1856 208 230 60 1 4 5 Amps Typical Auger Drive Motor Amp Draw GEM0650 A amp W 115 60 1 3 1 to 3 8 Amps GEM0655 A amp W 230 50 1 1 6 to 3 8 Amps GEM0956 A amp W 208 230 60 1 1 6 to 1 8 Amps GEM0955 A amp W 230 50 1 1 6 to 3 8 Amps GEM1256 A amp W 208 230 60 1 1 6 to 1 8 Amps GEM1855 Air 230 50 1 1 6 to 3 8 Amps GEM1856 Air 208 230 60 1 1 6 to 1 8 Amps Expansion Valve Superheat 6 8 degrees High Pressure Cut Out Automatic Reset 450 PSIG Low Pressure Cut Out Automatic Reset 15 PSIG Refrigerant Charge R404A GEMO650 GEM0655 Air Cooled 24 ounces Air Cooled 24 ounces Water Cooled 19 ounces Water Cooled 19 ounces GEM0956 GEM0955 Air Cooled 30 ounces Air Cooled 30 ounces Water Cooled 22 ounces Water Cooled 22 ounces GEM1256 Air Cooled 36 ounces GEM1855 Water Cooled 24 ounces Air Cooled 30 ounces GEM1856 Air Cooled 30 ounces Page 17 GEM Models A W Sanitizing and Cleaning It is the USER S RESPONSIBILITY to keep the ice
39. ice builds up in the bin and blocks the path between the sensors for 6 seconds or longer When that occurs the bin full light glows and the machine shuts down Shut Down The compressor relays opens LED1 goes out compressor contactor opens auger motor stays on for 1 more minute clearing out ice in the evaporator and then The auger motor relay opens LED3 goes out and the auger motor stops The compressor will not restart until 2 minutes or more have passed after last shutdown If the path between the ice level sensors remains clear for more than 10 seconds the ice machine will restart Control Board Protection Devices eWhen the water level in the reservoir falls below the water level sensor s tip the WTR OK light goes out and the machine shuts down When water refills the reservoir the WTR OK light glows and the machine starts up again elf the auger drive motor currents becomes excessive the compressor and auger drive motor will be switched OFF and the Service light will blink The control board will restart the auger drive 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 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
40. illustrated Water Sensor The ice machine uses a probe in the water reservoir to determine if there is water At least twice a year remove the probe from the reservoir and wipe the tip clean of mineral build up NT Clean the probe s tip with ice machine cleaner and a soft GEM Models A W Maintenance Air Cooled Clean the air cooled condenser Air flow on this model is from front to back so the inside of the ice machine will have to be available to clean the air cooled condenser Use a vacuum cleaner or coil cleaner if needed DO NOT use a wire brush e Disconnect electrical power and remove the air filter if applicable The filter may be cleaned or replaced e Clean the condenser the condenser may appear to be clean on the surface but it can still be clogged internally Check with a flashlight from the front to see if light can be seen through the condenser fins GEMO0956 otep 1 Remove the Top Panel Step 2 Remove two screws and unplug fan motors Step 3 Pull fan motor assembly up and to the right to remove Step 4 Clean the condenser GEM0650 Step 1 Remove the Top Panel Step 2 Remove the top portion E of the fan shroud Ns MET Step 3 Clean the condenser qu Sea PED a 3 qu n p 3 pj Page 21 GEM Models A W Auger Maintenance Auger In some areas the w
41. ir for proper adjustment Check the water regulating valve adjustment if water cooled Caution Electrical connection must be made or a cord installed by a qualified electrician or there is danger of an electrical fire Page 1 GEM Models A W For The Installer GEM0650 0655 0956 0955 A W 2 6 00 152 40 MIN UTII ITY C NNECTI S 6 00 152 401 600 152 40 MIN gt AIR N R AIR VENTILATI I 20 T zum 71 Eso edd m TP ICE CHUTE OPENING fo 69 85 BOTTOM EXHAUST AIR IN y ELECTRICAL INLET 3 8 FLARE 6 IUE VIEW pee 37 40 NOTE DIMENSIONS INCHES CENTIMETERS REMOTE DISCHARGE OUTLET DM MALE COUPLING Se 310 1 78 4 E pee D T Ao Sed r e4 00 609 60 REMOTE UNLY REMDTE CONDENSER REMOTE LIQUID JUNCTION BOX REMOTE ONLY Re 2 CONDENSER INLET Y 10 WATER COOLED ONLY ELECTRICAL INLET 5 bod d 4 50 114 30 ct
42. l Is there a minimum of 6 inches of clearance at the back of the machine for proper service access and air circulation Is the water pressure a minimum of 20 psig Has the ice machine been secured to the bin Is there clearance over the top of the ice machine for service access Is there a water shut off valve installed near the ice machine Have all the shipping blocks been removed from the ice machine Insure the machine is level 224 6 f f LL Lr trm ut gt rs s 22 y Note Fasten the ice machine to the bin with the hardware supplied with the ice machine Page 10 GEM Models A W Start Up Pre Start Inspection 1 Remove the front and side service panels 2 Check that any shipping blocks have been removed 3 Inspect the interior of the ice machine for loose screws or wires 4 Check that no refrigerant lines are rubbing each other 5 Check that the fan blades turn freely Air Cooled 6 Check that the unit is installed correctly according to the final check list on page 8 Start Up 1 Go through the pre start inspection 2 Open the hand valve observe that water enters the water reservoir fills the tube from the water reservoir to the evaporator and then shuts off Water cooled only Turn the water supply ON to the water cooled condenser Check for leaks 3 Switch the master mode switch ON The electrical
43. le resulting in an unexpected closing of the bin door If the ice machine is to be mounted on a bin or dispenser other than an refer to the manufacturer s instructions for machine mounting will not be responsible for damage or injury that results from unexpected closing of the bin door as a result of the ice machine being too far forward on the bin Water Limitations An ice machine is a food manufacturing plant it takes a raw material water and transforms it into a food product ice The purity of the water is very important in obtaining pure ice and maximizing product life This section is not intended as a complete resource for water related questions but it does offer these general recommendations eCheck with a water treatment specialist for a water test and recommendations regarding water filters and treatment eln most cases the water used to make ice should be filtered or treated depending upon the water There is no one type of water filter that is effective in all situations That is why a water test is important RO Water Limitations Water conductivity must be no less that 35 microSiemens cm Notice Ice O Matic ice machines are designed and manufactured with the highest regard for safety and performance and meet or exceed the standards of UL NSF and CUL Ice O Matic assumes no liability or responsibility of any kind for products manufactured by Ice O Matic that have been altered
44. machine and ice storage bin in a sanitary condition Without human intervention sanitation will not be maintained Ice machines also require occasional cleaning of their water systems with a specifically designed chemical That chemical dissolves mineral build up that forms during the ice making process Sanitize the ice storage bin as frequently as local health codes require and every time the ice machine is cleaned and sanitized Note Maintenance and Cleaning should be scheduled at a minimum of twice a year ICE MAKING SYSTEM In place cleaning Check and clean any water treatment devices if any are installed Remove screws and the front and top panel Move the ON OFF switch to OFF Remove all the ice from the storage bin the cover from the water reservoir and block up the float Drain the water reservoir and freezer assembly using the drain tube attached to the freezer water inlet Return the drain tube to its normal upright position and replace the end cap Prepare the cleaning solution Mix eight 8 ounces of ice machine cleaner with three 3 quarts of hot water The water should be between 90 115 F 8 Slowly pour the cleaning solution into the water reservoir until full Wait 15 minutes then switch the master switch ON 9 Asthe ice machine begins to use water form the reservoir continue to add more cleaning solution to maintain a full reservoir 10 After all of the cleaning solution has been added to the reserv
45. nterior of the bin and bin door with the balance of the sanitizing solution 24 Switch the master switch ON 25 Replace the panels Warning Ice machine cleaner contains acids 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 Page 18 GEM Models A W Bearing Maintenance Bearing Maintenance The bearing in the breaker should also be checked at least two 2 times per year DANGE Switch the machine OFF and check the bearing
46. o the cost of a new part to replace any part which proves to be defective The Company makes no representations or warranties of any character as to accessories or auxiliary equipment not manufactured by the Company REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE CUSTOMER MILE HIGH EQUIPMENT SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY ON THIS PRODUCT EXCEPT TO THE EXTENT PROHIBITED BY APPLICABLE LAW ANY IMPLIED WARRANTY OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ON THIS PRODUCT IS LIMITED IN DURATION TO THE LENGTH OF THIS WARRANTY Filing a Claim All claims for reimbursement must be received at the factory within 90 days from date of service to be eligible for credit All claims outside this time period will be void The model the serial number and if necessary proof of installation must be included in the claim Claims for labor to replace defective parts must be included with the part claim to receive consideration Payment on claims for labor will be limited to the published labor time allowance hours in effect at the time of repair The Company may elect to require the return of components to validate a claim Any defective part returned must be shipped to the Company or the Company authorized distributor transportation charges pre paid and properly sealed and tagged The Company does not assume any responsibility for any expenses in
47. oir and the reservoir is nearly empty switch the master switch to OFF 11 After draining the reservoir as in step 6 wash and rinse the water reservoir 12 Go thru steps 13 18 to sanitize the ice machine water system 13 Mix two 2 gallons of sanitizer solution Use an approved sanitizer A possible sanitizer solution may be obtained by mixing two 2 gallons of warm 90 115 F potable water with one 1 ounce of bleach 14 Slowly pour the sanitizer solution into the water reservoir until the float rises then switch the master switch a cdd 15 As the ice machine uses water from the reservoir continue to pour the sanitizer solution into the reservoir 16 After half 1 2 of the sanitizer solution has been added to the reservoir and the reservoir is nearly empty switch the master switch OFF 17 Drain the reservoir and thoroughly wash the interior of the reservoir and cover with sanitizer solution 18 Remove the block from the float in the water reservoir 19 Switch the master switch to ON 20 Continue ice making for at least 15 minutes to flush out any cleaning solution Switch the master switch OFF Note DO NOT USE any ice produced from the cleaning solution Be sure no ice remains in the bin 21 Remove and discard all ice from the storage bin 22 Add warm water to the ice storage bin and thoroughly wash and rinse all surfaces within the bin 23 Sanitize the bin interior by thoroughly washing the i
48. ove the auger and replace the water seal Check the gear motor for water infiltration Adjust to 245 PSIG discharge pressure Replace float valve or seat Recover and weigh refrigerant Weigh in correct charge clean the water cooled condenser Clean out bin drain Drains must be separate Adjust or replace Clean with ice machine cleaner or replace motor GEM Models A W Control System Diagnostics The Control System consists of eControl Board eWater Sensors Sensors eHigh Pressure Cut Out el ow Pressure Cut Out If the unit is OFF check the control board 1 Is the Power OK light on If not check power to the unit If it has power and the Power OK light is not on check the high pressure and low pressure cut outs If they are both closed replace the board If the POWER OK light is ON go to the next step 2 Is the Water OK light on If it is go to the next step If not check the water level in the reservoir If there is water in the reservoir check that the water sensor is plugged in To check the water sensor a Unplug the water sensor b Pull the water sensor from the reservoir c Place one ohmmeter lead on the sensor s plug and the other on the sensor s tip The meter should show nearly zero 0 resistance If it reads infinite resistance check the tip for corrosion If it is clean and still reads open replace the sensor OR connect a copper wire to the wire
49. rs GEM model compressed ice machine compressors and model flake ice machine compressors from the date of original installation An additional thirty six 36 month warranty on parts excluding labor will be extended to all and model flake ice machine compressors from the date of original installation The company will replace EXW Incoterms 2000 the Company plant or EXW Incoterms 2000 the Company authorized distributor without cost to the Customer that part of any such machine that becomes defective In the event that the Warranty Registration Card indicating the installation date has not been returned to the warranty period will begin on the date of shipment from the Company Irrespective of the actual installation date the product will be warranted for a maximum of seventy two 72 months from date of shipment from the Company ICE model cube ice machines which are registered in the Water Filter Extended Warranty Program will receive a total of eighty four 84 months parts and labor coverage on the evaporator plate from the date of original installation Water filters must be installed at the time of installation and registered with the Company at that time Water filter cartridges must be changed every six 6 months and that change reported to the Company to maintain the extended evaporator warranty No replacement will be made for any part or assembly which 1 has been subject to an al
50. rt capacitor eCheck start relay Check compressor windings GEM Models A W Service Diagnosis Symptom Unit makes ice but very slowly Water leak Excessive water use Excessive ice meltage Machine makes too much noise Possible Cause High discharge pressure because of a dirty condenser Low capacity because the auger and evaporator are coated with mineral scale eLow suction pressure due to low refrigerant charge plugged up Tubing cracked Condensation on drain tubing Water hose off Reservoir cover off Reservoir cracked Evaporator water seal leaks Water cooled model water regulating valve not adjusted properly Heservoir float valve leaks thru Water cooled model overcharged with refrigerant Water cooled model condenser coated with minerals drain clogged installation of drains they are connected Poor fit between bin door and door frame Evaporator coated internally with minerals Motor bearing dry Page 24 Probable Correction eClean filter and condenser Clean the water system leak Recover the refrigerant repair leak replace drier evacuate and weigh in the nameplate charge Clean out drain Replace tubing nsulate tubing Reattach hose Return cover to reservoir Replace reservoir eCheck base of evaporator and drip pan If the seal leaks shut off the water rem
51. stall the ice machine in a location where it has enough space around it to be accessible for service A minimum of 6 inches must be allowed at the back for air circulation on air cooled models Try to avoid hot dirty and crowded locations Be sure that the location of the machine is within the environmental limitations Storage Bin Remove the bin packaging Tip the storage bin on its back using parts of the packaging to protect the exterior finish Remove the skid and install the legs into the threaded holes in the bottom of the bin Turn the leg levelers all the way in preparation for leveling later Return the bin to the upright position Note Do not push the bin into position but lift it there Pushing a bin especially one with ice in it can cause damage to the bin legs and mounts Install the appropriate bin top according to the instructions provided with the bin top Ice machine The ice machine is heavy so the use of a mechanical lift is recommended for lifting the machine high enough to install on top of the bin After the unit is placed on the bin line it up so it is even with the back side Secure the ice machine to the bin with the hardware provided with the ice machine Remove the front panel and remove any shipping blocks or packaging material Proper functioning of the bin door requires the bin door when it is opened to be in a stable position If the ice machine is too far forward on the bin the opened door may not be stab
52. ter inlet tube from reservoir inlet fitting To remove float valve push in locking tabs as shown To remove reservoir pull up and remove water sensor Disconnect water outlet tubes Remove mounting screws from reservoir bracket and Reverse to reassemble Disconnect electrical power supply and pull float up Note The plunger seat is available separately as a part remove reservoir from ice maker G n Tus Float Assembly Locking Tabs _ len nire Ice Chute Slide Bin Controls to Hemove Bin Controls Ice Level Sensors Disconnect electrical power supply Remove the front panel Remove the control box cover Locate ice chute at the base of the chute in front of and behind it are two plastic bin control mounts Slide each bin control to the left and disconnect the electrical leads connecting the bin control to the circuit board Reverse to reassemble be certain that the bin controls are aligned so that the ice level sensors are visible centered through the holes in the ice chute gt 26 GEM Models A W R amp R Bearing and Breaker Note Removal of the auger water seal evaporator and gear motor must begin at the top of the assembly uli li To Remove the Breaker Bearing Assembly Disconnect electrical power Remove panels Push back bail clamp and remove ice chute cover Unscrew
53. ter seal will have to be replaced Remove the water seal top half from the auger and inspect the auger for minerals clean as required Breaker and Auger Assembly WARNING The auger has sharp edges handle with care Slide Hammer Puller Thread into the Auger Here e per acm Page 28 GEM Models A W R amp R Water Seal To Remove the Water Seal E Assuming all steps to remove the auger have been performed 1 The gear motor evaporator assembly will have to be exposed pes 2 Remove the four 4 hex head cap screws holding the evaporator to BN the gear motor assembly Lift the evaporator up and off the gear motor 3 Remove the snap ring or wire retainer from the groove under the A water seal CANAL 274 4 Pull or drive out the lower half of the water seal o Water m Seal Retaining 8 rd j E To Replace the Water Seal 5 1 Lubricate the water seal with water and push the water seal into the 4 bottom of the evaporator slightly past groove for the snap ring 2 Replace the snap ring and pull the water seal down against it ES 3 The part of the water seal that rotates with the auger must also be MICI replaced Remove the old part from the and clean the A EI m mounting area Kuen oy if 4 Place a small bead of food grade silastic se
54. teration or accident Il was used in any way which in the Company s opinion adversely affects the 5 performance Ill is from a machine on which the serial number has been altered or removed or IV uses any replacement part not authorized by the Company This warranty does not apply to destruction or damage caused by unauthorized service using other than authorized replacements risks of transportation damage resulting from adverse environmental or water conditions accidents misuse abuse improper drainage interruption in the electrical or water supply charges related to the replacement of non defective parts or components damage by fire flood or acts of God This warranty is valid only when installation service and preventive maintenance are performed by a Company authorized distributor a Company authorized service agency or a Company Regional Manager The Company reserves the right to refuse claims made for ice machines or bins used more than one location This Limited Warranty does not cover ice bills normal maintenance after install adjustments and cleaning Limitation of Warranty This warranty is valid only for products produced and shipped from the Company after January 2007 A product produced or installed before that date shall be covered by the Limited Warranty in effect at the date of its shipment The liability of the Company for breach of this warranty shall in any case be limited t
55. tor from the machine Note Bench test the gear motor check for oil leaks noise and amp draw 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 lift up the cover with drive motor attached up and away from the gear motor case Note The gearcase cover output bearings and output shaft are a pressed together assembly 3 Inspect the oil gears and bearings If there is evidence of water in the oil rusty metal too much oil white oil replace the oil and damaged parts 4 The oil charge is 14 ounces Do not overfill 5 Reassemble and bench test the gear motor check for oil leaks noise and amp draw Water Shed Auger Drive Motor Rotor Bearing Cover and Output T Gear Assembly if 4 GEM Models A W R amp R Fan Blade Motor To Remove the Condenser Fan Motor Assembly GEM0956 Shown Disconnect electrical power to the ice machine Remove top panel and the service panels Unplug the fan motor wire leadsfrom the fan motors Remove the two 2 head bolt from the top end of the fan motor assembly Fig 1 Lift up the fan motors and bracket assembly about 1 2 inch and pull out the fan assembly out the right service access hole Fig 2 Repair as needed Reassemble
56. ut Out Switch An auto reset switch sensing the high side refrigeration pressure It will shut the machine off if the discharge pressure exceeds 450 psig eLow Pressure Cut Out Switch An auto reset switch sensing the low side refrigeration pressure It will disconnect power to the circuit board and shut down the machine if the low pressure falls too low eEvaporator vertical stainless steel tube refrigerated and water filled Utilizes a stainless steel auger eCompressor The refrigerant vapor pump eWater Reservoir Float operated it maintains the water level in the evaporator at a constant level and it also contains the water level sensor eWater Level Sensor Senses if there is water in the reservoir to make ice out of Will shut the ice machine off if there is no water in the reservoir elce Discharge Chute Directs the ice produced by the evaporator into the storage bin elce Level Sensor An electronic eye it senses the presence of ice in the bottom of the discharge chute eGear Motor An oil filled speed reduction gearbox driving the auger eDrain Tube When uncapped and lowered drains the evaporator eCondenser Air or water cooled where the heat removed in ice making is discharged eExpansion Valve The refrigerant metering device Air Cooled Model Shown Control Box Expansion Valve ater Reservoir HANE i High Pressure Cut Out gt Drain Tube
57. where the water sensor plugs into and place the other end in the water The WATER OK should go ON If it does not replace the board 3 Ice sensor Check Is the BIN FULL light OFF If it is OFF and the SERVICE light is OFF and the unit is not running replace the control board a If itis OFF and the auger motor is running but the compressor is not check the compressor contactor coil b If itis ON the ice sensors may be blocked Remove them and check for mineral scale 4 High pressure cut out check a Disconnect electrical power b Pull the wires off the high pressure cut out c Use an ohmmeter to determine if the switch is OPEN If it is check the discharge pressure If the discharge pressure is less than 300 PSIG replace the high pressure cut out d If the high pressure cut out is open and the system has high discharge pressure check for the cause 5 Low pressure cut out check a Disconnect electrical power b Pull the wires off the low pressure cut out c Use an ohmmeter to determine if the switch is OPEN If it is check the suction pressure If the suction pressure is greater than 20 PSIG replace the low pressure cut out d If the low pressure cut out is open and the system has low suction pressure check for the cause Page 25 GEM Models A W R amp R Water Reservoir Bin Control Water Reservoir Shut off water supply to the ice maker Remove the front panel Disconnect wa
Download Pdf Manuals
Related Search