Service Manual
Contents
1. 21 A Refrigeration Circuit Service Information ass eric 21 B Component Service Information w ene dada Ra uu pads 24 1 Upper Bearing Wear Check 26 2 Removal and Replacement of Extruding Head eeeeeeeeeaaaaaaaaaaaaaaaaaaa 27 3 Removal and Replacement of AUGE iiir irrita EOG 28 4 Removal and Replacement of Evaporator v y 29 5 Removal and Replacement of Mechanical Seal and Lower Housing 30 6 Removal and Replacement of Gear Motor 32 buic IN a a 33 A Maintenance Schedule Te 34 VI Preparing the Appliance for Periods of Non Use eese 35 UL oc b s na 37 vii eebe NAONA 38 A Specification and Performance Dalai ka ddd KO 38 B Wining Diagram S 39 T ILIBARI05 UD B n 39 2 Optional Drain Pump AA AR ee eee 40 Important Safety Information Throughout this manual notices appear to bring your attention to situations which could result in death serious injury damage to the appliance or damage to property A WARNING Indicates a hazardous situation which could result in death or serious injury NOTICE Indicates a situation which could result in damage to the appliance or property IMPORTANT Indicates important information about the use and care of the appliance A WARNING The appliance should be destined only to the use for which it has been expressly2. Packing equivalent threadlocker to seal bolt threads Spout pu Evaporator Flange tej Extruding Head and _ Evaporator Upper Bearing Condensate H S Drain Pan Evaporator Reservoir Outlet Auger Hose Connection Vinyl Cap __ ting Retainer Mechanical Seal Socket Head O Ring Cap Screws with Washer HexHeadBotwih D T Housing and Lower Bearing n l Coupling Gear Motor Socket Head Cap Screw with Washer TUI T Fig 5 ET L A 1 Upper Bearing Wear Check To ensure that the bearing inside the extruding head does not exceed the wear tolerance of 02 follow the instructions below 1 Move the control switch to the OFF position then unplug the appliance from the electrical outlet 2 Remove all ice from the storage bin 3 Remove the top panel See Fig 4 4 Remove the spout and packing 5 Remove the cutter 6 Grasp the top of the auger and move the auger towards you and then try to insert a 02 round stock or pin gauge in between the back side of the auger shaft and the bearing surface See Fig 6 Check several locations around the auger shaft If the gauge goes between the shaft and the bearing at any point or if the be
3. 18 Replace the rear panel in its correct position 19 Clean the storage bin by using a neutral cleaner Rinse thoroughly after cleaning 36 VII Disposal The appliance contains refrigerant and must be disposed of in accordance with applicable national state and local codes and regulations Refrigerant must be recovered by properly certified service personnel 37 VIII Technical Information A Specification and Performance Data 1 C 101BAH DS AD ADDS SPECIFICATION SHEET AC SUPPLY VOLTAGE 115 60 1 AMPERAGE 4 0A MINIMUM CIRCUIT AMPACITY 15A MAXIMUM FUSE SIZE 15A ELECTRIC 8 WATER CONSUMPTION 90 70 F 70 50 F ELECTRIC W kWH 100 lbs 310 12 1 297 7 7 WATER gal 24HR gal 100 Ibs 7 7 12 11 1 12 SHAPE OF ICE Cubelet ICE QUALITY Approx 81 6 APPROXIMATE STORAGE CAPACITY 29 Ibs 13 kg Bin Control Setting 22 Ibs 10 0 kg REFRIGERANT CHARGE R134a 3 17 oz 90g PERFORMANCE DATA APPROXIMATE ICE PRODUCTION PER 24 HR AMBIENT TEMP WATER TEMP F C F C 50 10 70 21 90 32 84 70 21 42 40 80 27 66 90 32 28 57 Ibs day kg day 100 38 25 49 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 Evaporator Outlet 70 21 80 27 90 32 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM C
4. D Float Switch Check and Cleaning 1 Float Switch Check 1 Move the control switch to the DRAIN position 2 Remove the upper rear panel 3 Allow the water system to drain for 1 min 4 Move the control switch to the OFF position then unplug the appliance from the electrical outlet 5 Remove bell connectors from FS black BK blue BU and red R wires Check continuity between black BK common and red R UFS and between black BK common and blue BU LFS If both are open continue to step 6 If either are closed follow the steps in II D 2 Float Switch Cleaning After cleaning FS check UFS and LFS again Replace if necessary 6 Cap the FS appliance wires Black BK red R and blue BU 7 Plug the appliance into the electrical outlet then move the control switch to the ICE position 8 Once the reservoir overflows move the control switch to the OFF position then unplug the appliance from the electrical outlet 9 Check continuity between black BK common and red R UFS and between black BK common and blue BU LFS If either are open follow the steps in II D 2 Float Switch Cleaning After cleaning FS check UFS and LFS again Replace if necessary 10 Reconnect FS wires to the appropriate appliance wires Black BK to black BK red R to brown BR and blue BU to blue BU 11 Replace upper rear panel in its correct position 12 Plug the appliance into the electrical ou
5. Drain Pan To Drain gt Brier Capillary Tube Condenser Condenser Fan Motor Discharge Suction Compressor 4 N lt lagnosis ll Sequence of Operation and Service D A Sequence of Operation Flow Chart 18 EM 19 UI AM eo Jeddn S4n YOUMS 10JJ 18MO S41 Jojow Jee6 IND Lia eun 1euun 1 3 AEA uleJp eui o perddns si DYAGLL uonisod NIVHG 24 U s Vue jonuoo SU USUM uonisod NIVHG 94 U USIIMS 03002 JO OW UEJ INH ieuondo duund ureip qq 8A EA UreJp AG Jossae1duioo duio5 lonuo utq 9g puoBe1 p zi s u p IND pezibleue 8p WA 2 dwog p solo 28 uedo Ja nno eouioe e eui Wouj peB6njdun si souei dde mun duund uep ye sureuie OVASLL nno ou pe6Bnid s soueijdde ueuw 2vASLL seu duund ugi 1909 5 duing ueq jeuondo 91949 II1 dnlue S ye sui amp eq esas uedo si SAN HI q 31949 828814 Z ye suiDeq esa pesop s SAN J SAN 10 uonisod uo p seq SI Me1seH Joxeulo5 c HO 11 18 L LE SGH 9 UMOPINUS 2 AM 2 AM 2 ND senumuoo WEI senumuoo WEI 21 AM peziBieue ep W4 s nunuo W4 s nunuo W4 21 ND pezi amp ieue ep dwog senunuoo dwog s nunuo dwog 2 W4 senunuoo AM Sjeso 14 1095 06 SUeIS 14 21 dwog pezi amp ieue AM p p x 14 pesojo s n
6. conceived Any other use should be considered improper and therefore dangerous The manufacturer cannot be held responsible for injury or damage resulting from improper incorrect and unreasonable use Failure to service and maintain the appliance in accordance with this manual will adversely affect safety performance component life and warranty coverage and may result in costly water damage To reduce the risk of death electric shock serious injury or fire follow basic precautions including the following Only qualified service technicians should install and service the appliance The appliance must be installed in accordance with applicable national state and local codes and regulations The appliance requires an independent power supply of proper capacity See the nameplate for electrical specifications Failure to use an independent power supply of proper capacity can result in a tripped breaker blown fuse damage to existing wiring or component failure This could lead to heat generation or fire THE APPLIANCE MUST BE GROUNDED The appliance is equipped with a NEMA 5 15 three prong grounding plug I to reduce the risk of potential shock hazards It must be plugged into a properly grounded independent 3 prong wall outlet If the outlet is a 2 prong outlet it is your personal responsibility to have a qualified electrician replace it with a properly grounded independent 3 prong wall outlet Do not remove the ground prong
7. because seal material is one time use only 30 9 Grasp the cutter and carefully lift out the extruding head 10 Grasp the auger and carefully lift it out When pulling out the auger the upper part of the mechanical seal should come out with it 11 Remove the socket head cap screws securing the evaporator to the lower housing 12 Raise the evaporator up to access the lower housing 13 The mechanical seal consists of two parts One moves along with the auger and the other is fixed on the lower housing If the contact surfaces of these two parts are worn cracked or scratched the mechanical seal may cause water leaks and should be replaced 14 Remove the mechanical seal from the housing If only replacing the mechanical seal proceed to step 17 NOTICE To help prevent water leaks be careful not to damage the surfaces of the O ring or mechanical seal 5b Lower Housing 15 Remove the O ring and the bolts securing the lower housing to the gear motor and remove the housing from the gear motor If inspection of the upper bearing inside the extruding head see IV B 1 Upper Bearing Wear Check indicates that it is out of tolerance replace both it and the bearing inside the lower housing Note Replacing the bearing requires a bearing press adaptor If one is not available replace the entire extruding head and housing 16 Mount the lower housing onto the gear motor then install the O ring onto the lower housing 17 Install t
8. from the power cord and do not use an adapter plug Failure to properly ground the appliance could result in death or serious injury e Do not use an extension cord To reduce the risk of electric shock do not touch the control switch or plug with damp hands Make sure the control switch is in the OFF position before plugging in or unplugging the appliance Do not use an appliance with a damaged power cord The power cord should not be altered jerked bundled weighed down pinched or tangled Such actions could result in electric shock or fire To unplug the appliance be sure to pull the plug not the cord and do not jerk the cord Do not make any alterations to the appliance Alterations could result in electric shock injury fire or damage to the appliance A WARNING continued Do not place fingers or any other objects into the ice discharge opening The appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Young children should be properly supervised around the appliance Do not climb stand or hang on the appliance or appliance door or allow children or animals to do so Serious injury could occur or the appliance could be damaged Be careful not to pinch fingers when open
9. not present check GM external protector on front of control box If tripped reset If it does not reset replace GM external protector Once reset if GM does not energize check GM windings internal protector and GM capacitor If GM starts but the auger does not turn check coupling between auger and GM FM Diagnosis Check that FM energizes If not check for 115VAC at FM red R wire to neutral W If 115VAC is not present check wiring connections from TDR and GM If 115VAC is present and FM is not energized check FM windings and fan blade for binding CR Comp Diagnosis Check for 115VAC at CR 8 R to neutral W If 115VAC is not present check wiring connections from TDR and GM If 115VAC is present check for 115VAC at CR 3 BR and CR 5 R to neutral W If 115VAC is present on CR 3 BR and not at CR 5 R replace CR If 115VAC is present at CR 5 R check Comp PTC and Comp winding 9 Refill Low Water Safety As ice is produced the water level in the reservoir drops UFS opens nothing happens at this time LFS opens and refill begins WCR de energizes TDR de energizes FT 90 sec starts WV energizes Comp FM and GM continue LFS closes nothing happens at this time UFS closes WCR energizes TDR energizes and FT resets WV de energizes If FT terminates before UFS closes Comp CR FM and GM de energize and WV remains energized until UFS closes Refill Diagnosis Check that WCR de energizes If not see II D 1
10. Float Switch Check Once WCR de energizes confirm WV energizes If not check for 115VAC at WCR 2 O to neutral W If 115VAC is not present replace WCR If 115VAC is present check WV solenoid continuity Replace as needed Confirm UFS closes and WCR energizes within 90 sec of WV energizing If not confirm that water supply is on Once UFS closes WCR energizes energizing TDR and resetting FT If FT is exceeded Comp FM and GM de energize Check that TDR energizes after WCR energizes Check for 115VAC at TDR 5 P to neutral W If 115VAC is not present at TDR 5 P to neutral W confirm WCR status If 115VAC is present at TDR 5 P to neutral W and Comp CR FM and GM de energized replace TDR FT Diagnosis 90 sec low water safety If UFS does not close within 90 sec of LFS opening FT terminates and TDR de energizes GM FM CR and Comp Components remain off until UFS closes If components continue longer than 90 sec with UFS open replace TDR If GM and FM de energize but Comp continues check CR contacts for sticking Replace as needed 10 Shutdown bin full When the appliance is running hold ice in contact with the thermostatic bulb BC switch opens within 10 sec shutting down the appliance BC is factory set and generally no adjustment is required However adjustment may be needed in some conditions particularly at higher altitude locations See IC Bin Control Check Legend BC bin control Comp compress
11. Hoshizaki America Inc Self Contained Cubelet Models C 101BAH C I0IBAH DS C I0IBAH AD C I0IBAH ADDS SERVICE MANUAL A Superior Degree of Reliability www hoshizaki com Number 73195 Issued 1 1 7 2013 A WARNING Only qualified service technicians should install and service the appliance To obtain the name and phone number of your local Hoshizaki Certified Service Representative visit www hoshizaki com No service should be undertaken until the technician has thoroughly read this Service Manual Failure to service and maintain the appliance in accordance with this manual will adversely affect safety performance component life and warranty coverage and may result in costly water damage Proper installation is the responsibility of the installer Product failure or property damage due to improper installation is not covered under warranty Hoshizaki provides this manual primarily to assist qualified service technicians in the service of the appliance Should the reader have any questions or concerns which have not been satisfactorily addressed please call send an e mail message or write to the Hoshizaki Technical Support Department for assistance Phone 1 800 233 1940 770 487 2331 Fax 1 800 843 1056 770 487 3360 E mail techsupport hoshizaki com HOSHIZAKI AMERICA INC 618 Highway 74 South Peachtree City GA 30269 Attn Hoshizaki Technical Support Department Web Site
12. ONDENSER 1850 BTU h AT 90 F 32 C WT 70 F 21 C 38 B Wiring Diagrams 1 C 101BAH DS AD ADDS E AL 7 INLET ATE LVE FF ttl 39 LL lt t a Lip txt cx LL r Lu r 1 tI Lat Las 1 Lu tud E Luo ae r Li e ol Lo _ La 4 SB a a E I 6 uar e ua 5 5 ES 1 Lo Lu Lu 1 Lu Lu Lot Luo Luo 1 Lo 1 I Lu a x LIL LrlLrlLilLilLil1 w H neee I LI CGU IMP ee ee I 1 1 Lot A I 2 Optional Drain Pump HS 5061 To Icemaker 40 VAC BK GND GR N W OPTIONAL DRAIN PUMP HS 5061 m NO REPLACEABLE PARTS DBU DBU d E SAFET
13. Y w FLOAT SWITCH BK R BK O oo OOOCOJJ 3 s wl T 5VDC n GR 5 LOWER UPPER F FLOAT SWITCH 4 X3 1 CONTROL PUMP BOARD ET gt BK BLACK gt DBU D ARK BLUE IR G N R O 2 ED 2 W WHI
14. alent threadlocker to seal bolts Tighten to a torque of 11 1 ft Ib 15 N m 15 Replace the packing and spout in their correct positions 16 Open the water supply line shut off valve 17 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process 18 Once the appliance starts to produce ice allow it to run for another 30 minutes Check for water leaks 19 After 30 minutes move the control switch to the OFF position Unplug the appliance from the electrical outlet 20 Pour warm water into the storage bin and melt the ice Clean the storage bin liner using a neutral cleaner Rinse thoroughly after cleaning 21 Replace the top panel in its correct position 22 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process 28 4 Removal and Replacement of Evaporator NOTICE Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repair or replacement has been made When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 1 2 3 4 Close the water supply line shut off valve Move the control switch to the DRAIN position Allow the water system to drain for 1 minute After all of t
15. aring is scratched or cracked both the top bearing in the extruding head and the lower bearing in the housing should be replaced Instructions for removing the extruding head and housing are located later in this procedure Note Replacing the bearing requires a bearing press adaptor If one is not available replace the entire extruding head and housing 7 Replace the removed parts and panel in the reverse order of which they were removed 8 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process 02 Round Stock or Pin Gauge Extruding Head 26 2 Removal and Replacement of Extruding Head 1 Close the water supply line shut off valve 2 3 4 5 Move the control switch to the DRAIN position Allow the water system to drain for 1 minute Remove all ice from the storage bin o After all of the vvater has drained move the control svvitch to the OFF position Unplug the appliance from the electrical outlet 6 7 8 9 Remove the top panel See Fig 4 Remove the spout and packing Loosen the cutter do not remove Remove the seal bolts securing the extruding head and evaporator flange then grasp the cutter and lift off NOTICE Discard existing seal bolts after removal Seal bolts must be replaced once removed because seal material is one time use only 10 Remove the cutter from the old extru
16. ation When replacing evaporator assembly and water circuit components make sure there are no water leaks after the repair is complete Component 1808 Nos Extruding Head Seal bolts must be replaced once removed because seal material is one time use only f new seal bolts do not have preapplied threadlocker apply Loctite 243 or equivalent threadlocker to seal bolt threads e Tighten down the new seal bolts to a torque of 11 1 ft lb 15 N m e Install a new drier and PTC relay Upper and e Inspect the upper bearing for wear See IV B 1 Upper Bearing Wear Check Replace if Lower Bearings necessary When replacing the upper bearing it is advised to also change the lower bearing at the same time Evaporator Install a new drier e Inspect the mechanical seal and O ring prior to installing the new evaporator If worn cracked or scratched the mechanical seal should also be replaced Gear Motor Install a new gear motor capacitor Upper Rear Panel ___ C 101BAH AD Shown Evaporator Assembly Thumbscrew T M m Seal Bolts Inspect for leakage around seal bolts Tighten 11 1 ft Ib 15 N m or replace as necessary Seal bolts must be replaced once removed Cutter because seal material is one time use only If new seal bolts do not have preapplied threadlocker apply Loctite 243 or
17. ck do not touch the control switch or plug with damp hands 2 Close the water supply line shut off valve then open the water supply line drain valve 3 Allow the line to drain by gravity 4 Move the control switch to the DRAIN position 5 Allow the water system to drain for 1 min 6 Attach a compressed air or carbon dioxide supply to the water supply line drain valve 7 Move the control switch to the ICE position 8 Blow the water supply line out using the compressed air or carbon dioxide supply 9 Close the water supply line drain valve 10 Move the control switch to the OFF position then unplug the appliance from the electrical outlet 11 Remove the screws securing the upper rear panel then remove it See Fig 8 12 Remove the clamp securing the reservoir outlet hose to the reservoir Disconnect the reservoir outlet hose from the reservoir 13 Attach a compressed air or carbon dioxide supply to the reservoir outlet hose Upper Rear Panel Fig 8 14 Plug the appliance back in then move the control switch to the DRAIN position 15 Blow out the reservoir outlet hose using the compressed air or carbon dioxide supply 16 Move the control switch to the OFF position then unplug the appliance from the electrical outlet 17 Reconnect the reservoir outlet hose to the reservoir then secure with the clamp Make sure all hoses are connected and secure
18. ding head and place it on the new extruding head 11 Place and align the new extruding head and evaporator flange See Fig 7 Spout 4 Flat section towards storage bin front of machine Flange Fig 7 12 If new seal bolts do not have preapplied threadlocker apply Loctite 243 or equivalent threadlocker to seal bolts Tighten new seal bolts to a torque of 11 1 ft Ib 15 N m 13 Tighten down the cutter 14 15 16 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process Secure the packing and spout in their correct positions Open the water supply line shut off valve 17 Once the appliance starts to produce ice allow it to run for another 30 minutes Check for water leaks 18 After 30 minutes move the control switch to the OFF position Unplug the appliance from the electrical outlet 19 Pour warm water into the storage bin and melt the ice Clean the storage bin liner using a neutral cleaner Rinse thoroughly after cleaning 20 Replace the top panel in its correct position 21 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process 27 3 Removal and Replacement of Auger 1 Close the water supply line shut off valve 2 Move the control switch to the DRAIN position 4 After all of the water has drained move the co
19. e evaporator 17 Make sure the lower mechanical seal and the O ring are in place then place the evaporator assembly in position Secure the evaporator to the lower housing using the socket head cap screws 18 Replace the tap line valve with a proper permanent access valve 19 Remove the drier then place the new drier in position 20 Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG 29 21 Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG Do not use R 134a as a mixture with pressurized air for leak testing 22 Evacuate the system then charge it with refrigerant See the nameplate for the required refrigerant charge 23 Reattach and secure the reservoir outlet hose Replace the evaporator condensate drain pan and all hoses in their correct positions 24 Install the auger assembly with the upper part of the mechanical seal attached Replace the cutter extruding head and evaporator flange in their correct positions and align the extruding head and evaporator flange holes See Fig 7 25 If new seal bolts do not have preapplied threadlocker apply Loctite 243 or equivalent threadlocker to seal bolts Tighten seal bolts to a torque of 11 1 ft lb 15 N m 26 Replace the packing and spout in their correct positions 27 Ope
20. ement of Gear Motor NOTICE Hoshizaki recommends that the gear motor capacitor be replaced at the same time as the gear motor 1 Close the water supply line shut off valve 2 Move the control switch to the DRAIN position 3 Allow the water system to drain for 1 minute 4 After all of the water has drained move the control switch to the OFF position then unplug the appliance from the electrical outlet 5 Remove all ice from the storage bin 6 Remove the top panel and upper rear panel See Fig 4 7 Remove the bolts securing the lower housing to the gear motor Lift the evaporator up slightly 8 9 10 11 12 13 14 15 Remove the bolts securing the gear motor Disconnect the gear motor wires then remove the gear motor Attach the spline coupling from the old gear motor to the new gear motor Install the new gear motor Lower the evaporator onto the gear motor Secure the lower housing to the gear motor Reconnect the electrical wires Open the water supply line shut off valve Nm Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process 16 Once the appliance starts to produce ice check for water leaks 17 Move the control switch to the OFF position then unplug the appliance from the electrical outlet 18 Pour warm water into the storage bin and melt the ice Clean the storage bin liner
21. er hose and gauge manifold to be used for evacuation and refrigerant charge should be exclusively for POE oils 2 Turn on the vacuum pump then open the high side valve on the gauge manifold Never allow the oil in the vacuum pump to flow backwards 3 Allow the vacuum pump to pull down to a 29 9 Hg vacuum Evacuating period depends on pump capacity 4 Close the high side valve on the gauge manifold 5 Disconnect the gauge manifold hose from the vacuum pump and attach it to a refrigerant service cylinder Remember to loosen the connection and purge the air from the hose For the required refrigerant charge see the nameplate Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard 700 latest edition be used 22 6 A liquid charge is required when charging an R 134a system Place the service cylinder on the scales if the service cylinder is not equipped with a dip tube invert the service cylinder then place it on the scales Open the high side valve on the gauge manifold 7 Allow the system to charge with liquid until the proper charge weight is met 8 Close the high side valve on the gauge manifold then close the refrigerant access valve if applicable Disconnect the gauge manifold hose 9 Cap the refrigerant access valve to prevent a possible leak 23 B Component Service Information NOTICE When replacing a component listed below see the notes to help ensure proper oper
22. ervoir Drain Valve Bin Control Hf Upper Rear Panel Gear Motor di gt Gear Motor Power Cord Drier Rear Lower Rear Panel C 101BAH AD Shown 7 2 Ice Making Assembly Cutter motionless F Evaporator Flange Seal Bolt Extruding Head al A and Upper i N Bearing N Auger m 7 rr Cylinder R Mechanical Seal Gear Motor Socket Head Cap Screvv 2 vvith VVasher im ZUG N m ISNT NIS ESL A TE ISSN ES O Ring Housing and M Lower Bearing 5 1 Spline Coupling Sar FR 41 Pe 24 zu g 15 7 eu iL EM EL LI a LL E 3 Water Refrigeration Circuit Diagram Inlet Water Valve Water Inlet Evaporator Condensate il in Drain Pan Drip Pan Wd Water Level Float Switch 220 a Water Reservoir Overflow Hose Evaporator Condensate Drain Pan Drip Pan Hose Gear Motor Evaporator Water Supply Hose Drain Valve Drain Valve Drain Hos To Bin Bin Drain Hose pw Gear Motor Gear Motor Drain Pan Hose x
23. esets at this time Once the 90 sec low water safety timer is exceeded gear motor fan motor and compressor de energize C Water Control Relay The water control relay is controlled by the float switch The water control relay energizes when the reservoir is full and the upper float switch closes The water control relay de energizes when the water in the reservoir lowers and the lower float switch opens When energized the time delay relay energizes and the inlet water valve de energizes When de energized the time delay relay de energizes and the inlet water valve energizes 20 IV Refrigeration Circuit and Component Service Information A WARNING This appliance should be diagnosed and repaired only by qualified service personnel to reduce the risk of death electric shock serious injury or fire Move the control switch to the OFF position then unplug the appliance from the electrical outlet before servicing CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place after the appliance is serviced Make sure that none have fallen into the storage bin Make sure all food zones in the icemaker and storage bin are clean after service A Refrigeration Circuit Service Information A WARNING Repairs requiring the refrigeration circuit to be opened must be performed by properly trained and EPA certified service personnel Use an electronic leak detector or soap bubbles to chec
24. g A WARNING R 134a itself is not flammable at atmospheric pressure and temperatures up to 212 F 100 C R 134a itself is not explosive or poisonous However when exposed to high temperatures open flames R 134a can be decomposed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous Do not use silver alloy or copper alloy containing arsenic 1 Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG NOTICE Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repair or replacement has been made Install the new drier with the arrow on the drier in the direction of the refrigerant flow When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 2 Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG Do not use R 134a as a mixture with pressurized air for leak testing 3 Evacuation and Recharge R 134a 1 Attach a vacuum pump to the system Be sure the high side charging hose is connected to the field installed high side access valve IMPORTANT The vacuum level and vacuum pump may be the same as those for current refrigerants However the rubb
25. he lower part of the mechanical seal onto the lower housing 18 Lower the evaporator down and secure it to the lower housing 19 Install the auger assembly with the upper part of the mechanical seal attached Replace the cutter extruding head and evaporator flange in their correct positions Align the evaporator flange holes with the extruding head holes See Fig 7 20 If new seal bolts do not have preapplied threadlocker apply Loctite 243 or equivalent threadlocker to seal bolts Tighten new seal bolts to a torque of 11 1 ft Ib 15 N m 21 Tighten the cutter on the auger 22 Replace the packing and spout in their correct positions 23 Open the water supply line shut off valve 24 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process 25 Once the appliance starts to produce ice allow it to run for another 30 minutes Check for water leaks 26 After 30 minutes move the control switch to the OFF position Unplug the appliance from the electrical outlet 27 Pour warm water into the storage bin and melt the ice Clean the storage bin liner using a neutral cleaner Rinse thoroughly after cleaning 31 28 Replace the upper rear panel and top panel in their correct positions 29 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process 6 Removal and Replac
26. he water has drained move the control switch to the OFF position Unplug the appliance from the electrical outlet 5 6 7 8 Remove all ice from the storage bin Remove the top panel and rear panels See Fig 4 Remove the spout and packing a Remove the seal bolts securing the extruding head and evaporator flange NOTICE Discard existing seal bolts after removal Seal bolts must be replaced once removed because seal material is one time use only 9 Grasp the cutter and carefully lift out the extruding head and auger When pulling out the auger the upper part of the mechanical seal should come out with it 10 Disconnect the reservoir outlet hose from the evaporator 11 Remove the evaporator condensate drain pan 12 Install a temporary tap line valve on the high side then recover the refrigerant and store it in an approved container 13 Disconnect the inlet and outlet tubing 14 15 16 Inspect the mechanical seal and O ring prior to installing the new evaporator The mechanical seal consists of two parts One moves along with the auger and the other is fixed on the lower housing If the contact surfaces of these two parts are worn cracked or scratched the mechanical seal may cause water leaks and should be replaced Instructions for removing the mechanical seal and lower housing are located later in this procedure Remove the socket head cap screws securing the evaporator to the lower housing Lift off th
27. in the OFF position 1 Move the control switch to the OFF position then unplug the appliance from the electrical outlet WARNING To reduce the risk of electric shock do not touch the control switch or plug with damp hands 2 Remove all ice from the storage bin 3 Plug the appliance back in 4 Slowly pour 24 to 30 oz 710 to 890 ml of water over the storage bin drain hole in the storage bin 5 If water pumps out properly and DP then de energizes proceed to step 6 If water does not pump out confirm 115VAC to drain pump replace as needed 6 Move the control switch to the ICE position 7 Pour another 24 to 30 oz 710 to 890 ml of water into the appliance s storage bin then completely restrict the discharge hose while DP is operating See Fig 3 Pour more water into the appliance s storage bin until the appliance turns off DP will continue to operate Check for leaks v Rear Panel 8 Remove the discharge hose restriction and o allow the water to be pumped out normally FEAN Power returns to the appliance when SFS opens L_ Vent Hose Fig 3 9 If the appliance fails to turn off with the discharge hose restricted or the pump fails to pump out the water replace DP Legend DP drain pump SFS safety float switch Discharge Hose Lower Rear Panel 17 F Diagnostic Tables 1 No Ice Production No Ice Production Possible Cause Startup Fill Cycle 1 P
28. ing and closing the door Be careful when opening and closing the door when children are in the area Do not use combustible spray or place volatile or flammable substances near the appliance They might catch fire Keep the area around the appliance clean Dirt dust or insects in the appliance could cause harm to individuals or damage to the appliance NOTICE Protect the floor when moving the appliance to prevent damage to the floor Follow the water supply drain connection and maintenance instructions carefully to reduce the risk of costly water damage In areas where water damage is a concern install in a contained area with a floor drain e Install the appliance in a location that stays above freezing Normal operating ambient temperature must be within 45 F to 100 F 7 C to 38 C e f using the optional drain pump HS 5061 test its operation every time the appliance is cleaned and sanitized See II E 2 Drain Pump Check for details If the optional drain pump is not operating properly water could back up and overflow leading to costly water damage f water collects in the bin and will not drain turn off the appliance and close the water supply line shut off valve Locate and resolve the issue To help ensure that the storage bin drain remains clear follow the storage bin drain instructions in the instruction manual once every 3 months or as often as necessary for conditions If the storage bin drai
29. ion in 24 hours When confirming production or diagnosing low production see VIII A Specification and Performance Data for typical production information 2 Diagnostic Procedure This diagnostic procedure is a sequence check that allows you to diagnose the electrical system and components Before proceeding check for correct installation proper voltage per appliance nameplate and adequate water pressure 7 to 113 PSIG Note e When checking high voltage 115VAC always choose a white W neutral wire to establish a good neutral connection Time Delay Relay 90 sec low water safety circuit Controlled by LFS and UFS and water control relay Optional drain pump HS 5061 has 115VAC power supply as soon as the appliance is plugged into the electrical outlet 1 Confirm the appliance is plugged into the electrical outlet supply voltage is correct per nameplate 2 Move the control switch to the DRAIN position DV Diagnosis If DV does not energize check for 115VAC at control switch terminal 3 W DBU to neutral W If 115VAC is not present check control switch continuity optional drain pump connector jumper and safety switch and power supply If 115VAC is present check DV coil continuity Replace as needed If optional drain pump is installed see II E Optional Drain Pump HS 5061 11 3 After all of the water has drained move the control switch to the OFF position then unplug the appliance 4 Remove the fron
30. k for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG Do not use R 134a as a mixture with pressurized air for leak testing NOTICE Always recover the refrigerant and store it in an approved container Do not discharge the refrigerant into the atmosphere Do not leave the system open for longer than 15 min when replacing or servicing parts The Polyol Ester POE oils used in R 134a applications can absorb moisture quickly Therefore it is important to prevent moisture from entering the system when replacing or servicing parts Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repair or replacement has been made Install the new drier with the arrow on the drier in the direction of the refrigerant flow When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 1 Refrigerant Recovery No refrigerant access valves are provided on this appliance Using proper refrigerant practices utilize a temporary tap line valve on the high side to recover the refrigerant Store the refrigerant in an approved container Do not discharge the refrigerant into the atmosphere After recovery is complete replace the tap line valve with a proper permanent access valve 21 2 Brazin
31. ker to seal bolt threads Torque 11 1 ft Ib 15 N m Pump HS 5061 External Water Check for proper pressure and change if necessary the water supply inlet screen Inspect Clean if necessary Inspect the water hoses and clean replace if necessary Upper Bearing Check for wear using 02 round stock or pin gauge Replace both upper extruding head bearing and lower bearing if wear exceeds factory recommendations See IV B 1 Upper Bearing Wear Check Upper Bearing Inspect Replace both upper bearing and lower bearing if wear exceeds extruding head factory recommendations Replace the mechanical seal if the seal s contact then Yearly Lower Bearing surfaces are worn cracked or scratched and O Ring lower housing Mechanical Seal Evaporator Cylinder Auger 34 VI Preparing the Appliance for Periods of Non Use During extended periods of non use extended absences or in sub freezing temperatures follow the instructions below When the appliance is not used for two or three days under normal conditions it is sufficient to move the control switch to the OFF position A WARNING Only qualified service technicians should service the appliance NOTICE During extended periods of non use extended absences or in sub freezing temperatures follow the instructions below to reduce the risk of costly water damage 1 Move the control switch to the OFF position WARNING To reduce the risk of electric sho
32. led with ice with integrated heater b Out of position c Out of adjustment See Bin Control Check d Bad contacts e Bad thermostat heater 19 lll Controls and Relays The C 101BAH C utilizes a control switch time delay relay water control relay and compressor relay to control operation A Control Switch The control switch has 3 positions OFF ICE and DRAIN a OFF All components except the optional drain pump are de energized when the control switch is in the OFF position The optional drain pump circuit remains energized when the control switch is in the OFF position b ICE When placed in the ICE position the inlet water valve energizes if upper float switch UFS is open If upper float switch UFS is closed gear motor and compressor energize c DRAIN When placed in the DRAIN position drain valve energizes draining the reservoir and evaporator B Time Delay Relay Time delay relay energizes once 115VAC is supplied to time delay relay 5 P Time delay relay contacts close between time delay relay 8 BR and time delay relay 9 W R energizing the gear motor fan motor and compressor When the lower float switch opens the water control relay de energizes de energizing the time delay relay A 90 sec low water safety timer starts Once the upper float switch closes the water control relay energizes energizing the time delay relay The time delay relay 90 sec timer r
33. n becomes clogged water could build up in the bin and overflow leading to costly water damage e f water seeps from the base of the appliance turn off the appliance and close the water supply line shut off valve Locate and resolve the issue Failure to do so could lead to costly water damage Do not leave the appliance on during extended periods of non use extended absences or in sub freezing temperatures To properly prepare the appliance for these occasions follow the instructions in VI Preparing the Appliance for Periods of Non Use NOTICE continued Keep ventilation openings in the appliance enclosure or in the built in structure clear of obstruction Do not place objects on top of the appliance The storage bin is for ice use only Do not store anything else in the storage bin I Construction and Water Refrigeration Circuit Diagram A Construction Drain Pan 1 Icemaker Top Panel Ice Discharge Opening m _ Bin Control r 7 Thermostat Bulb Scoop Holder Slope Front Panel Control Switch Magnet Catch D Power Cord Front Louver C 101BAH AD Shown Top Panel Inlet Water Valve Evaporator Condensate Drain Pan Evaporator Float Switch Assembly Water Res
34. n the water supply line shut off valve 28 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process 29 Once the appliance starts to produce ice allow it to run for another 30 minutes Check for water leaks 30 After 30 minutes move the control switch to the OFF position Unplug the appliance from the electrical outlet 31 Pour warm water into the storage bin and melt the ice Clean the storage bin liner using a neutral cleaner Rinse thoroughly after cleaning 32 Replace the rear panels and top panel in their correct positions 33 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process 5 Removal and Replacement of Mechanical Seal and Lower Housing 5a Mechanical Seal 1 Close the water supply line shut off valve 2 3 4 After all of the water has drained move the control switch to the OFF position Unplug the appliance from the electrical outlet Move the control switch to the DRAIN position Allow the water system to drain for 1 minute 5 Remove all ice from the storage bin 6 Remove the top panel and upper rear panel See Fig 4 7 Remove the spout and packing 8 Remove the seal bolts securing the extruding head and evaporator flange NOTICE Discard existing seal bolts after removal Seal bolts must be replaced once removed
35. nergizes Comp WV de energizes Ice production starts 4 to 6 minutes after Comp energizes depending on ambient and water conditions WCR Diagnosis Confirm WCR energizes If not confirm UFS is closed See II D 1 Float Switch Check With UFS closed check for 115VAC at WCR 8 BK to WCR 7 W If 115VAC is not present check control switch position and continuity Also check wire connections to FS and WCR If 115VAC is present check that WV de energized If not check for OVAC at WCR 2 O to neutral W If 115VAC is present replace WCR Next check for 115VAC at WCR 5 BR to neutral W and WCR 8 P to neutral W If 115VAC is not present at WCR 5 BR to neutral W check control switch position and continuity Also check wire connections to WCR If 115VAC is present at WCR 5 BR to neutral W and not at WCR 8 P to neutral W WCR is not energized or contacts are sticking Replace WCR If 115VAC is present at WCR 3 P to neutral W WCR is good and TDR energizes TDR Diagnosis Confirm 115VAC at TDR 2 BR and TDR 5 P to TDR 3 W If 115VAC is present at TDR 2 BR and not at TDR 5 P see WCR Diagnosis above If 115VAC is present at TDR 2 BR and TDR 5 P to TDR 3 W and GM does not start check for 115VAC at TDR 8 BR and TDR 9 W R to neutral W If 115VAC is present at TDR 8 BR and not at TDR 9 W R replace TDR GM Diagnosis Check that GM energizes If not check for 115VAC at GM If 115VAC is
36. ntrol switch to the OFF position Unplug the appliance from the electrical outlet 3 Allow the water system to drain for 1 minute 5 6 7 8 Remove all ice from the storage bin Remove the top panel See Fig 4 Remove the spout and packing Remove the seal bolts securing the extruding head and evaporator flange then grasp the cutter and lift off NOTICE Discard existing seal bolts after removal Seal bolts must be replaced once removed because seal material is one time use only 9 Grasp the auger and carefully lift out 10 When pulling out the auger the upper part of the mechanical seal should come out with it The mechanical seal consists of two parts One moves along with the auger and the other is fixed on the lower housing Inspect the part of the mechanical seal that came out with the auger If the contact suriace on the bottom of the seal is worn cracked or scratched the mechanical seal may cause water leaks and both the upper and lower parts of the mechanical seal should be replaced Instructions for removing the mechanical seal are located later in this procedure 11 Remove the mechanical seal from the old auger and place it on the new auger 12 Install the new auger 13 Replace the extruding head with cutter and evaporator flange in their correct positions Confirm the cutter is tight See Fig 7 14 If new seal bolts do not have preapplied threadlocker apply Loctite 243 or equiv
37. or CR compressor relay EM Zon motor FS float switch FT fill timer GM gear motor LFS lower float switch PTC start relay ST shutdown timer TDR time delay relay UFS upper float switch WCR water control relay WV inlet water valve C Bin Control Check BC shuts down the icemaker within 10 sec when ice contacts the thermostatic bulb regardless of the cycle at activation NOTICE When the ambient temperature is below 45 F 7 C BC opens and shuts down the appliance even if the ice storage bin is empty When BC is set in the prohibited range the appliance operates continuously even if the ice storage bin is filled with ice Setting in the prohibited range may result in appliance and property damage BC is factory set and generally no adjustment is required However adjustment may be needed in some conditions particularly at higher altitude locations To check BC follow the steps below 1 Turn off the power supply Move the control switch to the OFF position 3 Clear any ice away from BC bulb Remove the upper rear panel and disconnect BC wires from BC switch Hold your hand around the bulb to warm it up Check for continuity across BC switch If closed continue to step 8 If open adjust or replace BC 7 With the multimeter test leads still in place hold ice on BC bulb to lower the temperature Within 10 sec BC switch should open If it remains closed adjust or replace BC Legend BC bin control
38. ower Supply a Unplugged off blown fuse or tripped breaker Not within specifications 2 Optional Drain Pump HS 5061 a Drain pump connection unplugged or loose b Drain pump safety float switch open with integrated heater S Water Supply 2777 000 6 VVater Control Relay a Energized and not allovving vvater valve to energize See 1 1 Float Switch Check 7 m t Water Valve 2777151757 z n 8 Foal Switch ive and Cleaning Water Control Relay s Defectve I i 3 Gear Motor b TUO 3 Contro Switch 2577755 4 Bin Control Thermostat Assembiyl a Open with bin filled with ice ition Spline coupling or gear broken and auger not turning 4 Fan Motor Fan blade does not move freely Defective 5 Compressor Relay Defective Locked bearings 6 Compressor PTC relay defective 7 Evaporator Dirty 777 zs 9 Refrigerant Lovv charge or overcharged Refrigerant lines or components restricted 10 VVater System VVater leaks 1 Float Switch a Dirty sticking See ID Float Switch Check b Defective and Cleaning 2 Inlet Water Valve a Screen or orifice clogged b Defective 3 Water Supply a Water supply off or improper water pressure 7 to 113 PSIG b External water filters clogged 4 Water Control Relay a Defective 5 Time Delay Relay a Defective 1 Bin Control Thermostat Assembly a Open with bin fil
39. ronment and local sanitation regulations Frequenc Weekly Monthly Every 3 Months Every 6 Months Yearly y Maintenance Schedule DC AAA Clean the scoop using a neutral cleaner Rinse thoroughly after cleaning Drain the Appliance Move the control switch to the DRAIN position Allow the water system to drain for 1 minute Clear ice away from the bin control bulb Move the control switch to the ICE position After the gear motor starts move the control switch to the DRAIN position Allow the water system to drain for 1 minute Move the control switch to the ICE position to start the automatic icemaking process Appliance Exterior Wipe down with a clean soft cloth Use a damp cloth containing a neutral cleaner to wipe off oil or dirt build up Clean any chlorine staining rust colored spots using a non abrasive cleanser Storage Bin Drain Maintain as outlined in the instruction manual Icemaker and Clean and sanitize per the cleaning and sanitizing instructions provided in Storage Bin the instruction manual Evaporator Wipe down with clean cloth and warm water Condensate Drain Pan and Gear Motor Drain Pan Extruding Head Inspect for leakage around seal bolts Tighten see torque value below or Seal Bolts replace as necessary Seal bolts must be replaced once removed because seal material is one time use only If new seal bolts do not have preapplied threadlocker apply Loctite 243 or equivalent threadloc
40. t panel louver and upper and lower rear panels 5 Remove the screws securing the control box then gently pull out the control box and secure it in a safe position Remove the control box cover 6 Plug the appliance back into the electrical outlet 7 Startup Fill Cycle Move the control switch to the ICE position With LFS and UFS open WV energizes Reservoir fills LFS closes Nothing happens at this time Reservoir continues to fill until UFS closes Diagnosis Check that reservoir fills If not check water supply line shut off valve water filters and WV screen Next check for 115VAC at WV If 115VAC is not present at WV check for 115VAC at WCR 8 BK to WCR 7 W If 115VAC is present confirm that UFS is open See II D 1 Float Switch Check If 115VAC is not present and WV is not energized check WCR 2 O to neutral W and 6 BR to neutral W If 115VAC is not present at WCR 6 BR to neutral W check control switch position and continuity Also check wire connections to WCR If 115VAC is present at WCR 6 BR to neutral W and not present at WCR 2 O to neutral W replace WCR If 115VAC is present at WCR 2 O to neutral W check WV solenoid continuity If open replace WV Fill Cycle Complete Check that UFS closes when reservoir is full If not check FS See II D 1 Float Switch Check 8 Freeze Cycle UFS closes and energizes WCR WCR allows TDR to energize then TDR energizes GM FM and CR CR then e
41. tch Assembly Reservoir Cover m Reservoir Fig 1 Red R upper float svvitch Black BK common ALI Blue BU lower float switch Magnet towards top Upper Float blue Spring Retainer Clip Magnet towards top Lower Float white Plastic Retainer Cli p Fig 2 16 E Optional Drain Pump HS 5061 Overview As ice melts water drains from the storage bin into DP LFS closes Nothing happens at this time UFS closes DP energizes and pumps out the water UFS opens nothing happens at this time LFS opens DP de energizes If water cannot be pumped out of DP due to a blocked discharge hose bad check valve or bad DP motor water level continues to rise and SFS closes DP continues and appliance de energizes Power is supplied to DP motor as long as LFS is closed For schematic see VIII B 2 Optional Drain Pump HS 5061 NOTICE e If you remove DP from the appliance be sure to follow all instructions below Failure to do so may result in costly water damage e DP has an internal check valve Do not install an external check valve Legend DP drain pump LFS lovver float switch SFS safety float switch UFS upper float switch 2 Drain Pump Check When the optional DP HS 5061 is installed test its operation at least twice a year as outlined below Note that 115VAC is at DP even when the control switch is
42. tlet then move the control switch to the ICE position to start the automatic icemaking process Legend FS float switch LFS lower float switch UFS upper float switch 2 Float Switch Cleaning Depending on local water conditions scale may build up on FS Scale on FS can cause inconsistent operation of UFS and LFS In this case FS should be cleaned and checked 1 Move the control switch to the OFF position then unplug the appliance from the electrical outlet 2 Remove the upper rear panel 3 Remove FS assembly from the reservoir cover 4 Wipe down FS assembly with a mixture of 1 part Hoshizaki Scale Away and 25 parts warm water Rinse the assembly thoroughly with clean water 5 While not necessary the floats can be removed from the shaft during cleaning If you remove them note that the blue float is on top UFS and the white float is on bottom LFS See Fig 2 The floats must be installed with the magnets inside them towards the top of the switch Installing the floats upside down will affect the timing of FS operation 15 6 Rinse FS assembly thoroughly with clean water and replace in its correct position 7 Replace the upper rear panel in its correct position 8 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process Legend FS float switch LFS lower float switch UFS upper float switch EN A A Float Swi
43. uedo 41 p soro s n u do 41 u do s n pesoj 41 uedo s4n peso S41 uedo s4n dnueis 5 Z NO YOUMS 10nu02 ejoKo 828814 Z 1e suse 1999 06 WNWIXEN Jexeuueot pesojo S in Y SI Wal ueuM Ajayeg 1 54A MO r o I14 dNIEJS sdeis 31949 eys MOL u nb seues 5407 4 54 8101 2 10 B Service Diagnosis A WARNING This appliance should be diagnosed and repaired only by qualified service personnel to reduce the risk of death electric shock serious injury or fire Risk of electric shock Use extreme caution and exercise safe electrical practices Moving parts e g fan blade can crush and cut Keep hands clear CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place after the appliance is serviced Make sure that none have fallen into the storage bin Make sure all food zones in the appliance and storage bin are clean after service After service make sure that there are no wires pinched between the panels and icemaker Make sure you do not damage or pinch the water supply line drain line or power cord 1 Ice Production Check To check production prepare a bucket or pan to catch the ice and a set of scales to weigh the ice After the appliance has operated for 10 to 20 minutes catch the ice production for 10 minutes Weigh the ice to establish the batch weight Multiply the batch weight by 144 for the total product
44. using a neutral cleaner Rinse thoroughly after cleaning 19 Replace the upper rear panel and top panel in their correct positions 20 Plug the appliance into the electrical outlet then move the control switch to the ICE position to start the automatic icemaking process 32 V Maintenance The appliance must be maintained in accordance with the instruction manual and labels provided Consult with your local Hoshizaki Certified Service Representative about maintenance service A WARNING Only qualified service technicians should service the appliance To reduce the risk of electric shock do not touch the control switch with damp hands Before Servicing Move the control switch to the OFF position Unplug the appliance from the electrical outlet to prevent the power supply from being turned back on inadvertently CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place after any maintenance is done to the appliance Make sure that none have fallen into the storage bin Do not place fingers or any other objects into the ice discharge opening After service make sure that there are no wires pinched between the panels and appliance Make sure you do not damage or pinch the water supply line drain line or power cord 33 A Maintenance Schedule The maintenance schedule below is a guideline More frequent maintenance may be required depending on water quality the appliance s envi
45. www hoshizaki com NOTE To expedite assistance all correspondence communication MUST include the following information e Model Number e Serial Number Complete and detailed explanation of the problem IMPORTANT This manual should be read carefully before the appliance is serviced Read the warnings and guidelines contained in this manual carefully as they provide essential information for the continued safe use service and maintenance of the appliance Retain this manual for any further reference that may be necessary CONTENTS Important Safety e un le E A I Construction and Water Refrigeration Circuit Diagram 7 A MON dt cea eer cand acd KAZ CALE 7 dE MK EN YA 2 IC6 Making ASSemDly serris DU Aaaa 8 3 Water Refrigeration KEHLEN tv OSG 9 Il Sequence of Operation and Service Diagnose 10 A Sequence or Operation Flow Chart ea quate ek ERE XXV EUER b ebe 10 Braet VICE DIAGNOSIS Pee A 11 Bee el Deele der E 11 2 Diagnostic PIO NA umm TRE 11 C Bin Control CheCk asd a T UU T T 14 D Float Switch Check and Aa EE 15 1 aac Eee Ere NT A a m RK 15 2 Float Sb 15 E Optional Drain Pump KEE 17 Iz UB WY GRO n 17 17 A Diagnostic T D EB aaa TT 18 lll Controls and Relays R R a a SS 20 A E que 20 B Time Delay Relay sa Gai i b 20 G Water ControlRelay a a TI EE 20 IV Refrigeration Circuit and Component Service Information
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