AM-100BAE AM-150BAF AM
Contents
1. 9715 59 08 E 97S Y zy m I D ie 077 21 025 685 3T aly 5 8 md aly 941 55 08 07 029 _ J Adst C 181100 381 T E4 ERE 4415110 ONOT uz 2 1102 ATddNS NHMOd E o o 28 rr n2. BI CUBE CONTROL oe CONTROL CONTROL _ THERMOSTAT THERMISTOR FUSE a 5 1 ri 11 SY 7 Thi y LIVE c 7 r BK BK W i d BK k CORD HEATER 5 i POWER SUPPLY W BK 5 0 VOLTAGE REQ POWER RELAY RELAY RELAY 617 1 X2 Xi seting sa 5 NEUTRAL 1 BO ri 7 Cl C2 2 GROUNDED AD STARTING RELAY rm 2 179 S V LBU Ebene Lc 1 08 7 M BU W WHITE BK BLACK Ch GREEN COMPRESSOR 3 45 GY GRAY BR ud 1 2 di 2 WATER HOTGAS PUMP BIOS BKA SOLENOID SOLENOID MOT LBU LIGHT BLUE VALVE VALVE O ORANGE PRESS BK W BLACK WHITE SWITC 31 3 CONTROLS a ICEMAKING CONTROL The freeze and defrost cycles are controlled by the combination of a Thermistor and an Electronic Controller When the Evaporator cools down to a specific temperature around 27 F the Thermistor attached to the Evaporator senses the temperature and signals to the Electronic Controller After the built in Timer counts 8 minutes from the signal input the Controller switches the contact of the built in Relays X1 and X2 to stop the Pump Motor and Fan Motor and to open the Hot Gas Valve and Water Valve This completes the freeze cycle and starts the defrost cyc
3. 44 a SERVICE INFORMATION nnn 44 0 REFRIGERANT RECOVERY 45 EVACUATION AND RECHARGE 46 2 COMPRESSOR 47 DRIER E 48 4 EVAPORATOR 49 5 HOT GAS VALVE 50 6 PUMP MOTOR no e ss e ense censes 51 7 MOTOR 4 A 51 B WATER VALVE cece a i i ii 52 9 CONTROLLER BOARD a ANNA 52 10 THERMISTOR FOR CUBE CONTROL 53 11 BIN CONTROL THERMOSTAT 54 12 EXPANSION VALVE AM 150BAF BWF ONLY 55 13 WATER REGULATING VALVE WATER COOLED MODEL ONLY 56 VALVE BODY 56 b WHOLE VALVE 57 M TIVA a 80151010 DNOT we 0402 ATddAsS 4AMOd 1 DIMENSIONS CONNECTIONS SPECIFICATIONS a AM 100BAE 97 61 9 981 TdVisnray
4. 6 I GENERAL INFORMATION gt lt 7 CONSTRUCTION 7 al AM TOUBAE i ii 7 b AM cs necne 8 ainiai iii iii i 9 2 ICEMAKING COMPARTMENT i 10 III INSTALLATION AND OPERATING INSTRUCTIONS 11 L CHECKS BEFORE INSTALLATION e oon htnc m 11 LOCATON i 12 3 SET UP Kininis iii i i ii a 13 A ELECTRICAL CONNECTIONS ocaecat tn enini enne 13 5 WATER SUPPLY AND DRAIN CONNECTIONS 14 6 PINAL CHECK LIT odeur 16 16 8 PREPARING THE ICEMAKER FOR LONG STORAGE more than 1 day 17 IV MAINTENANCE AND CLEANING INSTRUCTIONS 19 i CLEANING INSTRUCTIONS rarae 19 a WATER SYSTEM ii 19 BI STORAGE BIN SLOPE SCOOP ETC eno 21 Bi i i i aede 23 WATER VALVE iii i i ii i a i 24 4 BIN CONTROL THERMOS TAT i a i rental 25 TECHNICAL INFORMATION 26 1 WATER CIRCUIT AND REFRIGERANT CIRCUIT 26
5. 62 0 43 TOTAL HEAT OF REJECTION 2460 BTU h AT 90 F ANT 70 F Note The data without marks should be used for reference 36 AM 150BWF APPROXIMATE Ambient Water Temp F ICE PRODUCTION Temp F PER 24 HR 70 80 90 Ibs day kg day 100 APPROXIMATE ELECTRIC 70 CONSUMPTION 80 90 Watts 100 APPROXIMATE WATER 70 186 0 70 225 0 85 524 1 98 CONSUMPTION PER 24 HR 80 186 0 70 234 0 89 550 2 08 90 188 0 71 239 0 90 587 2 22 gal day m day 100 190 0 72 246 0 93 610 2 31 FREEZING CYCLE TIME 70 80 90 min HARVEST CYCLE TIME 2 5 2 5 2 5 min 2 5 2 5 HEAD PRESSURE 266 1 84 270 1 86 274 1 89 268 1 85 270 1 86 274 1 89 270 1 86 271 1 87 274 1 89 PSIG kg cm G 270 1 86 271 1 87 274 1 89 SUCTION PRESSURE 65 0 45 67 0 46 67 0 46 PSIG 67 0 46 TOTAL HEAT OF REJECTION 2720 BTU h 90 F ANT 70 F Note The data without marks should be used for reference 37 VI SERVICE DIAGNOSIS 1 NO ICE PRODUCTION PROBLEM CHECK POSSIBLE CAUSE REMEDY 1 The icemaker a Control Switch 1 OFF position 1 Move to ICE position will not start 3 Bad contacts 3 Check for continuity and replace b Power Cord 1 Tighten 2 Open circuit damaged 1 Blown out 1 Replace Thermostat ice replace Control replace 150BAF BWF Controller Board open repair or replace Valve freeze cycle fre
6. Drain the icemaker to prevent damage to the water supply line at subfreezing temperatures using air or carbon dioxide Shut off the icemaker until proper air temperature is resumed 1 On water cooled model only first remove the water from the water cooled condenser 1 Remove the Front Panel Lower Icemaker Potable Water 2 Move the Control Switch on the Control Supply Line Box to the OFF position 3 Wait 3 minutes Shut off Valve 4 Move the Control Switch to the ICE position 5 Allow 5 minutes for the icemaker to fill with water and the Water Pump to start operating Drain Valve Air or CO2 Water cooled Condenser 6 Close the Water cooled Condenser Water Supply Line Water Supply Line Shut off Valve Shut off Valve 7 Open the Drain Valve for the water cooled Drain Valve condenser water supply line Air or CO2 8 Allow the line to drain by gravity Fig 5 9 Attach compressed air or carbon dioxide supply to the Condenser Water Line Drain Valve 10 Blow the water cooled condenser out using compressed air or carbon dioxide until water stops coming out 2 Remove the water from the potable water supply line and the Water Tank 1 Close the Water Supply Line Shut off Valve and open the Drain Valve 2 Remove the Front Panel Lower and move the Control Switch on the Control Box to the OFF position 17 3 Blow out the water supply line Note This procedure is necessary to p
7. 07 071 1 0 LATINI 148407118715 8 b AM 150BAF 78 RIVA 1015110 9101 ud 802 174415 430404 S8T8VISDIQV 08 07 16 965 18 AM 150BWF 059 dSHP E LSTNI SSIVM 011 19 059 059 666 1 15 7 2 SPECIFICATIONS 100 SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W KWH 100 lbs WATER gal 24HR gal 100 16 EXTERIOR DIMENSIONS W x D x H EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE COMPRESSOR PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATION C
8. 3 WATER VALVE 1 Unplug the icemaker or disconnect the power source 2 Close the water supply tap 3 Remove the Top Panel and Door 4 Disconnect the Water Supply Inlet from the Water Valve 5 Remove the Mesh Filter from the Water Valve 6 Clean the Mesh using a brush 7 Refit the Mesh and Water Supply Inlet in their correct positions 8 Open the water supply tap 9 Plug in the icemaker or connect the power source 10 Check for leaks 11 Refit the panels in their correct positions Coil Filter Do not remove 24 4 BIN CONTROL THERMOSTAT Bin Control Thermostat Replacement Procedure To ensure proper operation follow the instructions below 1 Make a 40 mm 1 6 diameter loop 2 Locate the loop below the Thermostat Capillary Bulb 3 Manually bend the Capillary to keep it 15 mm 0 6 forward from the through hole position on the Holder 4 Turn up the end of the Capillary Holder Capillary Bulb End Loop 15 mm 0 6 Capillary Bulb 40 mm 1 6 DIA Bin Control Thermostat Assembly Details Thermostat A Silicone Tube Silicone Tube Cord Heate F l ex i b l e T u b e PTE Capillary Bulb DETAIL A NOTE 1 Run Cord Heater along with Capillary of Thermostat and bind them tightly with Aluminum Tape Form end to end of Cord Heater 2 Do overheat Flexible Tube during shrinking process 25 V TECHNICAL INFORMATION 1 WATER CIRCUIT AND REFRIGERA
9. Fuse 2 ICEMAKING COMPARTMENT Bracket Evaporator Separator Water Plate Water Tank 10 Ill INSTALLATION AND OPERATING INSTRUCTIONS 1 CHECKS BEFORE INSTALLATION Visually inspect the exterior of the shipping container and any severe damage noted should be reported to the carrier WARNING Remove shipping tape s and packing as follows If any left in the icemaker it will not work properly Do not lift or carry the unpacked icemaker by using the brass fitting for water supply at the rear of the unit The plastic threads may be damaged IMPORTANT 1 Remove the shipping tapes holding the Door and Separator 2 Ensure all components fasteners and thumbscrews are securely in place Remove the package containing accessories Check that refrigerant lines do not rub or touch lines or other surfaces Check that the Compressor is snug on all mounting pads See the Nameplate on the upper right part of the Left Side Panel and check that your voltage supplied corresponds with the voltage specified on the Nameplate Ice Making Mechanism Separator Nameplate Shipping Tape Door Shipping Tape Accessories Compressor Mounting Pad Fig 1 11 2 LOCATION WARNING This icemaker is not intended for outdoor use Normal operating ambient temperature should be within 50 F 10 C to 100 F 38 C Normal operating water temperature should be withi
10. 1 cm 2 Fig 2 4 When installing the unit without legs the perimeter where the machine touches the counter should be sealed with silicone to prevent water from leaking under the icemaker Tapped Hole d Leg Mounting 5 When installing the unit with legs on the bottom use the four accessory legs adjustable from 6 15 2 cm to 7 17 8 cm 4 Screw the legs tightly into the tapped holes in the base see Fig 3 Handle the icemaker carefully not to damage the Adjustable Leg exterior Fig 3 4 ELECTRICAL CONNECTIONS WARNING THIS APPLIANCE MUST BE GROUNDED This icemaker requires a ground that meets the national and local electrical code requirements To prevent possible severe electrical shock injury to individuals or extensive damage to equipment install a proper ground wire to this icemaker Remove the plug from the mains socket before any maintenance repairs or cleaning is undertaken This icemaker must be plugged into the separated power receptacle which has enough capacity The maximum allowable voltage variation should not exceed 10 percent of the nameplate rating See the Nameplate Usually an electrical permit and services of a licensed electrician are required 13 5 WATER SUPPLY AND DRAIN CONNECTIONS WARNING To prevent damage to the freezer mechanism do not operate this icemaker when the water supply is OFF or if the pressure is below 10 PSIG 0 7 bar the recommended w
11. HOSHIZAKI SELF CONTAINED CUBER AM 100BAE AM 150BAF AM 150BWF SERVICE MANUAL IMPORTANT Only qualified service technicians should attempt to service or maintain this icemaker No such service or maintenance should be undertaken until the technician has thoroughly read this Service Manual HOSHIZAKI provides this manual primarily to assist qualified service technicians in the service and maintenance of the icemaker Should the reader have any questions or concerns which have not been satisfactorily addressed please call or write to the HOSHIZAKI Technical Support Department for assistance HOSHIZAKI AMERICA INC 618 Highway 74 South Peachtree City GA 30269 Attn HOSHIZAKI Technical Support Department Phone 1 800 233 1940 Technical Service 770 487 2331 Fax 770 487 3360 NOTE To expedite assistance all correspondence communication MUST include the following information Model Number Serial Number Complete and detailed explanation of the problem CONTENTS PAGE 1 1 DIMENSIONSICONNEGCTIONS ii 1 al AM TOOBAE ii 1 BI AMS SO BA i 2 2 i i 3 5 SPECIFICATIONS i 4 i i i i 4 5
12. Water Tank to drain the sanitizing solution Refit the Water Tank in its correct position 20 Open the Shut off Valve 21 Move the Control Switch to the WASH position to circulate clean water for about 5 minutes 22 Move the Control Switch to the OFF position and immediately back to the WASH position to rinse water 23 Repeat the above rinse procedure two more times to rinse thoroughly 24 Move the Control Switch to the ICE position and start the automatic icemaking process Refit the Front Panel Lower in its correct position 20 6 STORAGE BIN SLOPE SCOOP IMPORTANT Wash your hands before removing ice Use the Plastic Scoop provided to remove ice 2 Keep the Scoop clean Clean it by using a neutral cleaner at least once a day and rinse thoroughly 3 Close the Bin Door after removing ice to prevent entrance of dirt dust or insects into the Bin 4 Clean the Bin Liner at least once a month by using a neutral cleaner Rinse thoroughly after cleaning 5 The Storage Bin is for ice use only Do not store anything else in the Bin 6 Keep the area around the icemaker clean Dirt dust or insects in the icemaker could cause electrical damage to the equipment or harm to individuals 1 Remove the Front Panel Lower and move the Control Switch on the Control Box to the OFF position 2 Unplug the icemaker 3 Open the Bin Door and remove ice from the Storage Bin 4
13. flow Keep a more than 2 vertical inch 5 vertical cm air gap between the drain pipe end and the sink drain pipe must be so laid as to prevent a backflow into the Storage Bin Provide trap in the bin drain line to prevent odor from flowing back into the Storage Bin 14 A plumbing permit and services of a licensed plumber may be required some areas This icemaker should be installed in accordance with applicable national state and local regulations AM 100BAE AM 150BAF k Water Supply Inlet AlL 3 4 BSP Threads Brass fitting is attached to Water Supply Inlet Fitting size is a 1 2 FPT Shut off Valve Drain Valve Bin Drain Outlet 3 4 FPT Trap X 1 4 fall per foot To approved floor drain AM 150BWF Icemaker Water Supply Inlet el 3 4 BSP Threads Condenser Outlet Brass fitting is attached 3 8 FPT to Water Supply Inlet Fitting size is a 1 2 FPT Water cooled Condenser Inlet 1 2 FPT Shut off Valve Drain Valve Bin Drain Outlet 3 4 FPT 1 4 fall per foot Drain Valve To approved floor drain Shut off Valve Trap Fig 4 15 6 FINAL CHECK LIST 1 Is the icemaker level 2 Is the icemaker in a site where the ambient temperature is within 50 F 10 C to 100 F 38 and the water temperature within 41 F 5 C to 90 F 32 C all year around 3 Have all shipping tape s string and packing been removed from the icemaker 4 Are al
14. 00BAE APPROXIMATE Ambient Water Temp F ICE PRODUCTION Temp F PER 24 HR Ibs day kg day APPROXIMATE ELECTRIC CONSUMPTION Watts APPROXIMATE WATER 38 0 15 36 0 14 CONSUMPTION PER 24 HR 36 0 14 35 0 14 32 0 13 31 0 12 gal day m day 28 0 11 27 0 11 FREEZING CYCLE TIME min HARVEST CYCLE TIME 3 min 2 5 HEAD PRESSURE 125 0 86 128 0 88 129 0 89 155 1 07 156 1 08 158 1 09 177 1 22 178 1 23 180 1 24 PSIG kg cm G 216 1 49 217 1 50 220 1 52 SUCTION PRESSURE 16 0 11 19 0 13 20 0 14 PSIG 25 0 17 TOTAL HEAT OF REJECTION 2400 BTU h 90 F MNT 70 F Note The data without marks should be used reference 35 6 150 APPROXIMATE Ambient Water Temp F ICE PRODUCTION Temp F 50 70 90 PER 24 HR 70 80 90 Ibs day kg day 100 APPROXIMATE ELECTRIC 70 CONSUMPTION 80 90 Watts 100 APPROXIMATE WATER 70 44 0 17 46 0 16 CONSUMPTION PER 24 HR 80 43 0 16 43 0 15 90 40 0 15 36 0 14 gal day m day 100 36 0 14 34 0 13 FREEZING CYCLE TIME 70 80 15 5 17 5 18 90 17 18 5 19 5 min 100 17 5 19 20 HARVEST CYCLE TIME min HEAD PRESSURE 240 1 65 243 1 67 244 1 68 269 1 85 270 1 86 273 1 88 299 2 06 301 2 07 303 2 08 PSIG kg cm G 339 2 33 340 2 34 342 2 35 SUCTION PRESSURE 58 0 40 59 0 41 61 0 42 PSIG
15. 3 a 26 DI i i i 27 WE 28 2 WIRINGIDIAGRAM 29 ii m i 29 i 30 31 CONTROLS eee 32 a ICEMAKING CONTROL ia naa aa 32 0 DEFROST CONTROL 32 NO ADJUSTMENT REQUIRED 32 d ADJUSTMENT PART REPLACEMENT 32 4 TIMING CHART aE 34 5 PERFORMANCE 35 4 35 eee ee ee ee ee 36 AIM ee a ate 37 SERVICE DIAGNOSIS essiri aaa 38 1 NO ICE PRODUCTION 38 2 LOW ICE PRODUCTION 40 3 ABNORMAL ICE nsns ener 40 4 41 VII ADJUSTMENT crisa 42 1 EXPANSION VALVE AM 150BAF ONLY eno n nnns 42 2 WATER REGULATING VALVE WATER COOLED MODEL ONLY 43 VIII REMOVAL AND 44 1 SERVICE FOR REFRIGERANT LINES
16. C W KWH 100 lbs WATER gal 24HR gal 100 16 EXTERIOR DIMENSIONS W x D x H EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATION CONDITIONS DRAWING NO DIMENSIONS 115 60 1 8 8A 5 Min Freeze AT 104 F WT 80 F N A N A Ambient Water Temp F 50 70 90 70 150 68 80 140 64 90 130 59 100 110 51 Cube 20 x H27mm 1 87 lbs 0 85 kg 60 pcs 88 Ibs 90 F 70 F 70 F 50 F See details of 710 14 2 660 10 6 PERFORMANCE DATA 36 31 44 31 No SS 01131 27 7 X 28 38 8 703 x 710 x 986mm Includes 6 leg Stainless Steel Galvanized Steel Rear Net 143 Ibs 65 kg Shipping 185 lbs 84 kg Cord Connection Inlet Fitting size is a 1 2 FPT Water Inlet 3 4 BSP Outlet 3 4 FPT Thermistor Timer Hot gas Thermistor Timer N A Thermostat Hermetic Model ASE24C3E Air cooled Fin and Tube type Tin plated copper tube on sheet and cells Expansion Valve R404A 9 5 oz 270 g Auto reset Overload Protector Auto reset High Pressure Control Switch Ice Scoop 6 Leg 4 pcs N A VOLTAGE RANGE 104 127 AMBIENT TEMP 50 100
17. F WATER SUPPLY TEMP 41 90 F WATER SUPPLY PRESS 7 113 PSIG 3X6976 We reserve the right to make changes in specifications and design without prior notice AM 150BWF SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W KWH 100 Ibs WATER gal 24HR gal 100 Ibs WATER COOLED CONDENSER EXTERIOR DIMENSIONS W x D x EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN COOLING WATER CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATION CONDITIONS DRAWING NO DIMENSIONS 115 60 1 7 0 5Min Freeze AT 104 F WT 80 F N A N A Ambient Water Temp F Temp 50 290 70 150 68 80 150 68 90 145 66 100 145 66 Cube 20 x H27mm 1 78 lbs 0 81 kg 60 pcs 88 Ibs 90 F 70 F 70 F 50 F See details of 560 9 5 560 9 0 PERFORMANCE DATA 43 31 48 31 No SS 01769 196 140 138 92 27 7 X 28 x 38 8 703 x 710 x 986mm Includes 6 leg Stainless Steel Galvanized Steel Rear Net 138 Ibs 63 kg Shi
18. ING Always protect the valve body by using a damp cloth to prevent the valve from overheating Do not braze with the valve body exceeding 248 8 Install the new Drier See 3 DRIER 9 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 10 Evacuate the system and charge it with refrigerant See 1 EVACUATION AND RECHARGE 11 Attach the Solenoid Coil to the valve body and secure it with the screw 12 Connect the leads 13 Refit the panels in their correct positions 14 Plug in the icemaker or connect the power source 50 6 PUMP MOTOR 1 Unplug the icemaker or disconnect the power source 2 Remove the Top Panel Door and Front Panel 3 Disconnect the Pump Motor leads behind the Evaporator 4 Drain the Water Tank by compressing the plastic tabs on the Suction Tube to release the Joint 5 Spread the tabs on both sides of the Water Tank and pull it toward you 6 Carefully remove the plastic housing by releasing the retaining screws 7 Disconnect the Pump Suction and Discharge Tubings 8 Release the pump retaining screws to remove the Pump 9 Install the new motor in the reverse order of the removal procedure 10 Plug in the icemaker or connect the power source and check for leaks 11 Refit the panels in their correct positions 7 FAN MOTOR 1 Unplug the icemaker or disconnect the power source 2 Remove the Front Panel 3 Disconnect the Connector of the Fan Motor 4 Re
19. NT CIRCUIT a AM 100BAE Water Inlet Capillary Tube m Evaporator E EE Water Plate E Water Tank Pump Motor Drain Pan Insulation Insulation ae a 4 ___ Controller Board Em Hot Gas Valve Compressor Water Circuit Refrigeration Circuit 26 6 AM 150BAF Water Inlet Expansion Valve Controller Board Pressure Condenser Water Circuit Refrigeration Circuit 27 AM 150BWF Water Inlet Expansion Valve A Water Tank Drain Pan Controller Board Pressure Switch Condenser ELM Water Regulator Water Circuit Refrigeration Circuit 28 2 WIRING DIAGRAM a AM 100BAE BIN a FUSE CONTROLLER CONTROL CONTROL EU a M BOARD THERMISTOR SWITCH J 2 E C a one POWER SUPPLY SEE NAMEPLATE FOR POWER VOLTAGE REQ CORD HEATER STARTING CAPACITOR w NEUTRAL GR GR GROUNDED W WHITE BK BLACK Y LENOID BU BLUE LBU LIGHT BLUE VALVE 29 6 AM 150BAF BIN CONTROL CONTROL FUSE SWITCH 5A 9 GY POWER SUPPLY SEE NAMEPLATE FOR POWER VOLTAGE REQ STARTING NEUTRAL CAPACITOR GR GR GROUNDED BU BLUE LBU LIGHT BLUE O ORANGE BK W BLACK WHITE 30 CONTROLLBR CUBE CONTROL THERMISTOR AM 150BWF
20. ONDITIONS DRAWING NO DIMENSIONS 115 60 1 6 5 5Min Freeze AT 104 F WT 80 F N A N A Ambient Water Temp F Temp F NN 70 105 48 103 47 6 43 80 96 44 93 42 ka 39 90 86 39 83 38 76 35 100 67 31 66 30 61 28 Cube 820 x H27mm 1 54 Ibs 0 70 kg 60 pcs 44 Ibs 90 F 70 F 70 F 50 F See details of 490 15 7 430 9 9 PERFORMANCE DATA 31 38 38 37 No SS 01129 24 9 x 20 5 x 38 7 633 x 520 x 982mm Includes 6 leg Stainless Steel Galvanized Steel Rear Net 110 105 50 kg Shipping 150 lbs 68 kg Cord Connection Inlet X Fitting size is a 1 2 FPT Water Inlet 3 4 BSP Outlet 3 4 FPT Thermistor Timer Hot gas Thermistor Timer N A Thermostat Hermetic Model QA110K27CAU6 Air cooled Fin and Tube type Tin plated copper tube on sheet and cells Capillary Tube R134a 6 6 oz 185 g Auto reset Overload Protector Ice Scoop 6 Leg 4 pcs N A VOLTAGE RANGE 104 127 AMBIENT TEMP 50 100 F WATER SUPPLY TEMP 41 90 F WATER SUPPLY PRESS 7 113 PSIG 3X6975 We reserve the right to make changes in specifications and design without prior notice 6 150 SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRI
21. Plate 0 2 Waiter Plate Water Plate Discharge Tube Mechanism Base M Bin Rear Tank Rest Thumbscrew Water Tank Q Water Tank 22 Suction Tube gt 15 Hook each Separator on to the Mechanism Separator I Base and pull it hard toward you until it locks in place with a click Refit all the Separators in the same way 16 Refit the Slope in its correct position 17 Plug in the icemaker and move the Control Switch on the Control Box to the ICE position to start the automatic icemaking process 18 Refit the Front Panel Lower in its correct position 2 MAINTENANCE IMPORTANT This icemaker must be maintained individually referring to the instruction manual and labels provided with the icemaker 1 Exterior To keep the exterior clean wipe occasionally with a clean and soft cloth Use damp cloth containing a neutral cleaner to wipe off all oil or dirt build up 2 Air Filter A plastic mesh air filter removes dirt or dust from the air and keeps the Condenser from getting clogged As the filter gets clogged the icemaker s performance will be reduced Check the filter at least twice a month When clogged use warm water and a neutral cleaner to wash the filter 3 Condenser Check the Condenser once a year and clean if required by using a brush or vacuum cleaner More frequent cleaning may be required depending on the location of the icemaker 23
22. Remove the Slope by bending its center carefully and releasing it from the two Slope Shafts Take out the Slope from the Storage Bin 5 Thoroughly clean and sanitize the Storage Bin Slope Scoop and any parts normally accessible from the Storage Bin 6 Remove each Separator by lifting it to the horizontal position and pushing it hard inward Remove all the Separators in the same way and clean and sanitize them 7 Disconnect the Suction Tube from the Water Tank to drain the Tank Water Tank Suction Tube 21 8 Remove the Thumbscrews both sides of the Water Tank and pull it out toward you Clean and sanitize the Water Tank 9 Pull the Discharge Tube from the Water Plate Remove the Water Plate by pulling it toward you 10 Remove the Caps to clean and sanitize the Water Plate If the Nozzles are clogged clean them with a wire or a suitable brush 11 Refit the Caps on the Cleaning Outlets to seal them off 12 Slide in the Water Plate along the Mechanism Base Refit the Discharge Tube securely on the Spray Outlet A loose fitting may cause a water leak 13 Place the rear of the Water Tank on the Water Tank Rest at the back of the Storage Bin Use the Thumbscrews to secure the front of the Water Tank to the Mechanism Base 14 Refit the Suction Tube on to the Water Tank Inlet A loose fitting may cause a water leak L Water Tank Thumbscrew Water Plate 2 Waiter
23. TER COOLED MODEL ONLY The Water Regulating Valve is factory adjusted Do not adjust it except at replacement or service Adjust the valve setting if necessary as follows 1 Attach a pressure gauge to high side line or prepare a thermometer to check Condenser drain temperature 2 Rotate the Adjust Screw using a flat blade screwdriver so that the pressure gauge shows 270 PSIG or the thermometer reads 104 115 F 5 minutes after Freeze Cycle starts When the pressure or temperature exceeds the above rotate the Adjust Screw counterclockwise 3 Check that the pressure or temperature holds Adjust Screw Adjust Screw Valve Body ET Top View 3 8 18NPT Bellows Capillary Tube Fig 10 43 Vill REMOVAL AND REPLACEMENT 1 SERVICE FOR REFRIGERANT LINES a SERVICE INFORMATION 1 Allowable Compressor Opening Time and Prevention of Lubricant Mixture R134a R404A The compressor must not be opened more than 30 minutes in replacement or service Do not mix lubricants of different compressors even if both are charged with the same refrigerant except when they use the same lubricant 2 Treatment for Refrigerant Leak R134a R404A If a refrigerant leak occurs in the low side of an ice maker air may be drawn in Even if the low side pressure is higher than the atmospheric pressure in normal operation a continuous refrigerant leak will eventually lower the low side pressure below the atmospheric pressure and will caus
24. Water System 1 Scaled up 1 Clean or remove scale e Water Plate 1 Jet hole clogged 1 Clean 1 Replace f Pump Motor 9 Thermistor 1 Defective 1 Replace Controller Board 40 4 OTHERS POSSIBLE CAUSE REMEDY 1 Icemaker will a Bin Control 1 Fused contacts 1 Check for continuity and not stop when Thermostat replace Bin is filled with b Controller Board 1 Defective 1 Replace ice 2 Abnormal noise a Pump Motor b Fan Motor 1 Replace 2 Fan Blade deformed 2 Replace Fan Blade freely position other surfaces Bin often melts 41 Vil ADJUSTMENT 1 EXPANSION VALVE AM 150BAF BWF ONLY The Expansion Valve is factory adjusted Do not adjust it except at replacement or service Adjust the valve setting if necessary as follows 1 Remove the Cap Nut 2 Use a flat blade screwdriver to rotate the Adjust Screw 3 Watch holes of ice cubes produced Standard setting is that Evaporator inlet side and outlet side cubes have almost the same diameters To make the inlet side larger rotate 90 180 clockwise Smaller counterclockwise Do not rotate more than 180 at a time CAUTION Over adjustment of the valve may result in liquid refrigerant return causing freezing to the suction line and severe damage to the Compressor Bulb Adjust Screw Cap Nut Capillary Tube Solder Connection Fig 9 42 2 WATER REGULATING VALVE WA
25. ater pressure Stop the icemaker until proper water pressure is resumed CAUTION Abrass fitting for the water supply line connection is attached to the 3 4 BSP plastic threads to avoid cross threading of the Water Valve possibly resulting in leaks The brass fitting allows connection of a 1 2 FPT that should be connected to the potable water supply line While making the water supply line connection use a wrench to hold the brass fitting still to prevent overtightening and damage to the plastic threads Water supply inlet for the icemaker is 1 2 female pipe thread FPT Note On water cooled model two water supply inlets are provided One is for the icemaker 1 2 FPT and the other is for the water cooled condenser 1 2 FPT The brass fitting is attached as shown in Fig 4 The fitting size is a 1 2 FPT and must be connected only to a potable water supply Awater supply line shut off valve and drain valve must be installed Water supply pressure should be a minimum of 10 PSIG 0 7 bar and a maximum of 113 PSIG 7 5 bar If the pressure exceeds 113 PSIG 7 5 bar use a pressure reducing valve Drain outlet for icemaker dump is 3 4 FPT Note On water cooled model a 3 8 FPT is provided for the condenser drain outlet The icemaker drain and the condenser drain piping connections must be made separately Drain must be 1 4 fall per foot 2 cm fall per meter on horizontal runs to get good
26. e air suction Air contains a large amount of moisture and ester oil easily absorbs a lot of moisture If an ice maker charged with R134a R404A has possibly drawn in air the drier must be replaced Be sure to use a drier designed for R134a R404A 3 Handling of Handy Flux R134a R404A Repair of the refrigerant circuit needs brazing It is no problem to use the same handy flux that has been used for the current refrigerants However its entrance into the refrigerant circuit should be avoided as much as possible 4 Oil for Processing of Copper Tubing R134a R404A When processing the copper tubing for service wipe off oil if any used by using alcohol or the like Do not use too much oil or let it into the tubing as wax contained in the oil will clog the capillary tubing 5 Service Parts for R134a R404A Some parts used for refrigerants other than R134a R404A are similar to those for R134a R404A But never use any parts unless they are specified for R134a R404A because their endurance against the refrigerant have not been evaluated Also for R134a R404A do not use any parts that have been used for other refrigerants Otherwise wax and chlorine remaining on the parts may adversely affect R134a R404A 6 Replacement Copper Tubing R134a R404A The copper tubes currently in use are suitable for R134a R404A But do not use them if oily inside The residual oil in copper tubes should be as little as possible Low residual oil type cop
27. ect position 8 Plug in the icemaker or connect the power source 52 10 THERMISTOR FOR CUBE CONTROL 1 Unplug the icemaker or disconnect the power source 2 Remove the Top and Front Panels Pipe Cover Rear and Control Box Cover 3 Remove the Connectors on the Controller Board referring to 9 CONTROLLER BOARD 4 Unscrew and remove the Thermistor Holder and Thermistor located on the Evaporator 5 Install the new thermistor in the reverse order of the removal procedure by using a sealant High thermal Conduct Type See Fig 12 Note Recommended sealant is KE4560RTV manufactured by SINETSU SILICON When other type of sealant used the cube size and performance will be changed Do not use silicone sealant as this will insulate the Thermistor Holder Thermistor and Leads are FRAGILE Holder HANDLE WITH CARE Evaporator Leads Thermistor Fig 12 53 IMPORTANT When replacing the Thermistor wrap the Thermistor Bulb with aluminum foil tape 1 25 W x 0 6 15mm L 1 Wrap a turn with an overlap of 0 1 0 2 3 5mm 2 Make the aluminum foil tape tightly stick to the Thermistor Bulb 3 Keep the overlap of the aluminum foil tape away from the Evaporator Evaporator aluminum foil tape 11 BIN CONTROL THERMOSTAT 1 Unplug the icemaker or disconnect the power source 2 Remove the Top Panel Door and Pipe Cover Rear 3 Remove the Thermostat Holder from the Storage B
28. et 8 Install the new valve and insert the Capillary Tubes into the Copper Tube 9 Web the Copper Tube end and braze or solder the Copper Tube and Capillary Tubes together 10 Install the new Drier See 3 DRIER 11 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 12 Evacuate the system and charge it with refrigerant See 1 c EVACUATION AND RECHARGE 13 Connect the flare connections 14 Open the water supply tap 15 Check for water leaks 16 Replace the panels in their correct positions 17 Plug in the icemaker or connect the power source 57 Adjust Screw Valve Body Flare Connection Bellows Capillary Tube Fig 14 58 HOSHIZAKI HOSHIZAKI AMERICA INC 618 HIGHWAY 74 SOUTH PEACHTREE CITY GA 30269 U S A PHONE 770 487 2331 www hoshizakiamerica com HOSHIZAKI ELECTRIC LTD 3 16 MINAMIYAKATA SAKAE TOYOAKE AICHI 470 1194 JAPAN PHONE 0562 97 2111
29. eze cycle and replace i Water Supply Line 1 Water supply OFF and water cooled water supply cycle does pressure not finish 2 Condenser water 2 Check for recommended pressure too low or OFF pressure and Pressure Control opens and closes frequently j Water Solenoid 1 Mesh filter or orifice gets 1 Clean Valve clogged and water supply cycle does not finish 2 Replace 3 Wiring to Water Valve 3 Check for loose connection or open and replace a High Pressure 1 Condenser water 1 Check for recommended Control temperature too warm temperature 150BAF BWF water cooled 3 Condenser water 3 Check for recommended pressure too low or OFF pressure water cooled b Water Regulator 1 Set too high 1 Adjust lower water cooled 2 Clogged or defective 2 Clean or replace Protector replace voltage 38 2 Compressor will not start or operates intermittently PROBLEM CHECK POSSIBLE CAUSE REMEDY or undercharged f Power Relay 1 Check for continuity and 150BAF BWF replace 2 Coil winding opened g Compressor 1 Wiring to Compressor 1 Check for loose connection or open and repair or replace 2 Defective 2 Replace 2 Replace Cd Condenser 3 Compressor a Control Circuit 1 Loose connection or 1 Repair or replace runs but other broken wire components will not start not run broken wire Controller Board continues to be Valve close with icemake
30. ially on the high side 2 on the Vacuum Pump 3 Allow the Vacuum Pump to pull down to 29 9 Hg vacuum Evacuating period depends on the pump capacity 4 Close the Low side and High side Valves on the Service Manifold 5 Disconnect the Vacuum Pump and attach a Refrigerant Charging Cylinder to accurately weigh in the liquid charge Remember to purge any air from the Charging Hose See the Nameplate for the required refrigerant charge 6 Open the High side Valve on the Gauge Manifold and accurately measure in the liquid charge Close the valve on the Charging Cylinder before closing the High side Manifold Valve Any remaining liquid in the line can be charged into the low side Note Always charge in the liquid stage as many refrigerants are blends and vapour charging will affect the blend consistency eg R404A 7 Turn on the icemaker Release the High side Access Connector and allow pressure in the charging line to slowly enter the low side of the system Cap off the High side Access Valve When pressure reduces on the low side disconnect the low side charging line and cap off the Access Valve 8 Always cap the Access Valves to prevent a refrigerant leak 9 Always thoroughly leak test all joints and valve caps 10 Avoid charging large quantities of liquid into the low side in case of damage to the Compressor Depressed Cap Access Valve OPEN Fig 11 46 2 COMPRESSOR 1 Unplug the icemaker or disco
31. in and disconnect the the Bin Control Thermostat Bulb 4 Remove the Bin Control Thermostat from the icemaker body rear 5 Install the new Bin Control Thermostat in the reverse order of the removal procedure 6 Refit the panels in their correct positions 7 Plug in the icemaker or connect the power source 54 12 EXPANSION VALVE AM 150BAF BWF ONLY IMPORTANT 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 1 Unplug the icemaker or disconnect the power source 2 Remove the Top Front and Rear Mesh Panels 3 Recover the refrigerant and store it in a proper container if required by an applicable law See 1 b REFRIGERANT RECOVERY 4 Remove the Expansion Valve using brazing equipment Protect the Evaporator and pipes from excessive heat with damp cloths or similar 5 Remove the Expansion Valve Sensor Bulb 6 Remove the Drier using brazing equipment 7 Braze in the new Expansion Valve Protect the body of the valve from excessive heat and use nitrogen at a pressure of 3 4 PSIG when brazing 8 Braze or solder the new Drier See DRIER 9 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 10 Evacuate the system and charge it with refrigerant See 1 EVACUATION AND RECHARGE 11 Attach the Bulb to the suction line in position Be sure to secure i
32. l components fasteners and thumbscrews securely in place 5 Have all electrical and piping connections been made 6 Has the power supply voltage been tested or checked against the nameplate rating Has a proper earth been installed to the icemaker 7 Are the Water Supply Line Shut off Valve and Drain Valve installed Has the water supply pressure been checked to ensure a minimum of 10 PSIG 0 7 bar and a maximum of 113 PSIG 7 5 bar 8 Have the Compressor hold down bolts and all refrigerant lines been checked against vibration and possible failure 9 Has the Bin Control Thermostat been checked for correct operation When the icemaker is running cool the Detector of the Bin Control Thermostat The icemaker should stop within 10 seconds 10 Has the user been given the Instruction Manual and instructed on how to operate the icemaker and the importance of periodic maintenance recommended 11 Has the user been given the name and telephone number of the Authorized Service Agency 7 START UP Check that shipping tape s string and packing are removed before starting the icemaker 1 Clean inside the Storage Bin and Door 2 Open the Water Supply Line Shut off Valve and plug in the icemaker 3 Remove the Front Panel Lower and move the Control Switch on the Control Box to the ICE position The freezing cycle will start automatically 16 8 PREPARING THE ICEMAKER FOR LONG STORAGE more than 1 day WARNING
33. le b DEFROST CONTROL The ice cubes formed inside the Icemaking Cells are released by hot gas warming the Evaporator When a small portion of the ice melts on the Icemaking Cell interior the ice drops by its own weight and slides down the Ice Guide into the Storage Bin When the Evaporator is warmed further to around 45 F the Thermistor senses the temperature rise and signals to the Electronic Controller After the built in Timer counts 50 seconds from the signal input the Controller switches the contact of the built in Relays to start the Pump Motor and Fan Motor and to close the Hot Gas Valve and Water Valve This completes the defrost cycle and starts the freeze cycle At low temperature conditions where the defrost cycle exceeds 102 seconds the Water Valve will close after 102 seconds In the initial cycle at startup or after shutdown for bin control water is supplied for 102 seconds This means the Water Valve closes approx 50 seconds after the freeze cycle starts c NO ADJUSTMENT REQUIRED The Thermistor and Electronic Controller are factory adjusted to produce constant ice all the year around not affected by changes in the ambient and water temperatures No adjustment is required for any ambient temperature 4 ADJUSTMENT AT PART REPLACEMENT Electronic Controller The Thermistor and Electronic Controller are designed for optimum ice production adjustment is desired follow the instructions below Variable Resi
34. move the Fan Motor Bracket and the Fan Motor 5 Cut the leads of the Fan Motor allowing enough lead length to reconnect using closed end connectors 6 Install the new Fan Motor in the reverse order of the removal procedure 7 Refit the panels in their correct positions 9 Plug in the icemaker or connect the power source 51 8 WATER VALVE 1 Close the water supply tap 2 Unplug the icemaker or disconnect the power source 3 Remove the Top Panel and Front Panel 4 Disconnect the Receptacle leads from the Water Valve 5 Remove the Valve Outlet tubing 6 Remove the Water Supply Inlet and Water Valve by releasing the two retaining screws 7 Install the new valve in the reverse order of the removal procedure 8 Open the water supply tap 9 Plug in the icemaker or connect the power source 10 Check for leaks 11 Refit the panels in their correct positions Note When replacing parts disassemble as shown in Fig 6 page 24 and replace the defective parts 9 CONTROLLER BOARD 1 Unplug the icemaker or disconnect the power source 2 Remove the Front Panel 3 Remove screws and the Control Box Cover 4 Pull out the Control Box from the machine compartment and disconnect the Connectors on the Controller Board 5 Pull out and remove the Controller Board from the Control Box 6 Install the new Controller Board and reassemble the Control Box in the reverse order of the removal procedure 7 Refit the panel in its corr
35. n 41 F 5 C to 90 F 32 C Operation of the icemaker for extended periods outside of these normal temperature ranges may affect production capacity For best operating results The icemaker should not be located next to ovens grills or other high heat producing equipment The location should provide a firm foundation for the equipment Level the icemaker from side to side and front to rear Avoid a site where dripping is not allowed This icemaker will not work at subfreezing temperatures To prevent damage to the water supply line drain the icemaker when air temperature is below zero The AM 100BAE icemaker requires no clearance at either side But allow enough space at rear for water supply and drain connections and at least 12 approx 30 cm clearance at front The AM 150BAF icemaker requires 2 approx 5 cm clearance at either side Allow enough space at rear for water supply and drain connections and at least 12 approx 30 cm clearance at front 12 3 SET UP IMPORTANT Do not place heavy objects exceeding 33 Ibs 15 kg the Top Panel 1 Unpack the icemaker and remove all shipping cartons tapes and packing BEFORE operating the unit 2 Position the icemaker in a selected site Clean the interior with soap and water and rinse thoroughly 3 Level the icemaker in both the left to right and the front to rear directions when installed with or without legs See Fig Max 0 4
36. nnect the power source 2 Remove the Rear Mesh and Front Panel 3 Recover the refrigerant and store it in a proper container if required by an applicable law See 1 b REFRIGERANT RECOVERY 4 Remove the Terminal Cover on the Compressor and disconnect Solderless Terminals 5 Disconnect the Discharge and Suction Pipes using brazing equipment 6 Remove the Hold down Bolts Washers and Rubber Grommets 7 Slide and remove the Compressor Unpack the new Compressor package 8 Attach the Rubber Grommets of the previous Compressor 9 Clean the Suction and Discharge Pipes with an abrasive cloth paper 10 Place the Compressor in position and secure it using the Bolts and Washers 11 Remove Plugs from the Compressor Suction and Discharge Pipes 12 Braze or solder the Access Suction and Discharge lines Do not change this order with nitrogen gas flowing at a pressure of 3 4 PSIG 13 Install the new Drier See 3 DRIER 14 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 15 Evacuate the system and charge it with refrigerant See 1 c EVACUATION AND RECHARGE 16 Connect the Solderless Terminals and replace the Terminal Cover in its correct position 17 Refit the panels in their correct positions 18 Plug in the icemaker or connect the power source Note Hoshizaki recommends that Compressor starting electrics are always replaced at the same time as the Compressor 47 3 DRIER 1 Unpl
37. per tubes are used in the shipped units 44 7 Evacuation Vacuum Pump and Refrigerant Charge R134a R404A Never allow the oil in the vacuum pump to flow backward The vacuum level and vacuum pump may be the same as those for the current refrigerants However the rubber hose and gauge manifold to be used for evacuation and refrigerant charge should be exclusively for R134a R404A 8 Refrigerant Leak Check Refrigerant leaks can be detected by charging the unit with a little refrigerant raising the pressure with nitrogen and using an electronic detector Do not use air or oxygen instead of nitrogen for this purpose or rise in pressure as well as in temperature may cause R134a or R404A to suddenly react with oxygen and explode Be sure to use nitrogen to prevent explosion b REFRIGERANT RECOVERY The refrigerant must be recovered if required by an applicable law No refrigerant Access Valve is provided in the unit Install a proper Access Valve on the low side line ex Compressor Process Pipe Recover the refrigerant from the Access Valve and store it in a proper container Do not discharge the refrigerant into the atmosphere When replacing the Drier take the opportunity to also fit a High side Access Valve for ease of charging liquid refrigerant 45 EVACUATION AND RECHARGE 1 Attach Charging Hoses a Service Manifold and a Vacuum Pump to the system If possible use Quick Release Connectors onto the Access Valves espec
38. pping 180 lbs 82 kg Cord Connection Inlet Fitting size is a 1 2 FPT Water Inlet 3 4 BSP Outlet 3 4 FPT Inlet 1 2 Outlet 3 8 Thermistor Timer Hot gas Thermistor Timer N A Thermostat Hermetic Model ASE24C3E Water cooled Tube in Tube type Tin plated copper tube on sheet and cells Expansion Valve R404A 9 5 oz 270 g Auto reset Overload Protector Auto reset High Pressure Control Switch Ice Scoop 6 Leg 4 pcs N A VOLTAGE RANGE 104 127 V AMBIENT TEMP 50 100 F WATER SUPPLY TEMP 41 90 WATER SUPPLY PRESS 7 113 PSIG 3X6976 We reserve the right to make changes in specifications and design without prior notice ll GENERAL INFORMATION 1 CONSTRUCTION a AM 100BAE Top Panel Front Panel Upper Ice Making Mechanism Bin Control Thermostat Storage Bin Slope Door Front Panel Lower Control Box Condenser Air Filter Tapped Hole Leg Mounting Control Switch Fuse b AM 150BAF Top Panel Ice Making Mechanism Separator Water Tank Bin Control Thermostat Slope Door Storage Bin Front Panel Lower Control Box Condenser Air Filter Tapped Hole Leg Mounting Control Switch Fuse AM 150BWF Ice Making Mechanism Separator 11114 Water Tank Bin Control Thermostat Slope Door Storage Bin Front Panel Lower Control Box Condenser Tapped Hole Leg Mounting Control Switch
39. r OFF freeze cycle 6 Water does not 1 Water pressure too low circulate and water level in Water pressure Tank too low b Water Solenoid 1 Dirty mesh filter or orifice 1 Clean Valve and water level in Water Tank too low water leaks and repair d Pump Motor 1 Motor winding opened 3 Wiring to Pump Motor 3 Check for loose connection or open and replace impeller e Controller Board 1 Defective f Discharge Tube 1 Clogged 2 Out of position 2 Place in position 7 All components a Refrigerant 1 Check for leaks and run but no ice recharge is produced 2 Replace Drier and recharge Valve freeze cycle 150BAF BWF freeze cycle 39 2 LOW ICE PRODUCTION PROBLEM CHECK POSSIBLE CAUSE REMEDY time is too long pressure Temperature water temperature impurities scale treatment Cooling Water Tubing Charge undercharged check for leaks recharge correctly Controller Board Condenser 3 ABNORMAL ICE PROBLEM CHECK POSSIBLE CAUSE REMEDY cubes pressure Temperature temperatures c Air Filter 1 Clogged 1 Clean Condenser d Water Valve 1 Clogged e Pump Motor Charge recharge correctly Controller Board 150BAF BWF a 2 Cloudy cubes Water Supply Line 1 Check for recommended pressure b Water Quality 1 High hardness or contains impurities scale treatment 2 Lime is deposited inside 2 Clean Cooling Water Tubing pue C
40. rotect the icemaker from freezing up at subfreezing temperature 4 Unplug the icemaker 5 Remove all ice from the Storage Bin and clean the Bin 6 Drain and clean the Water Tank See IV 1 b STORAGE BIN SLOPE SCOOP ETC 7 Refit the Front Panel Lower in its correct position 8 Close the Drain Valve 18 MAINTENANCE AND CLEANING INSTRUCTIONS IMPORTANT Ensure all components fasteners and thumbscrews are securely in place after any maintenance or cleaning is done to the equipment 1 CLEANING INSTRUCTIONS WARNING 1 HOSHIZAKI recommends cleaning this unit at least once a year More frequent cleaning however may be required in some existing water conditions 2 To prevent injury to individuals and damage to the icemaker do not use ammonia type cleaners 3 Always wear liquid proof gloves for safe handling of the cleaning and sanitizing solutions This will prevent irritation in case the solution comes into contact with skin a WATER SYSTEM 1 Dilute approximately 5 fl oz 148 ml of recommended cleaner Hoshizaki Scale Away or LIME A WAY Economics Laboratory Inc with 1 gal 3 8 lit of water 2 Remove all ice from the Evaporator and the Storage Bin Note To remove cubes on the Evaporator remove the Front Panel Lower move the Control Switch on the Control Box to the OFF position and move it back to the ICE position after 3 minutes The defrost cycle s
41. stor for adjustment of freeze cycle completion temperature Fig 7 Variable Resistor for adjustment of defrost cycle 32 completion temperature The Variable Resistor is for a fine adjustment of the defrost cycle completion temperature The Variable Resistor VR2 is for a fine adjustment of the freeze cycle completion temperature Turn VR2 clockwise for a higher temperature WARM i e ice cubes with larger diameter holes and counterclockwise for a lower temperature COLD i e ice cubes with smaller diameter holes Note Do not adjust VR2 to the lowest temperature It will cause excessive ice production resulting in defrost failure When replacing the Controller Board turn the Variable Resistor VR1 by 90 clockwise and leave VR2 as itis See Fig 8 Marking RED Variable Resistor for adjustment of freeze cycle completion temperature Variable Resistor for adjustment of defrost cycle completion temperature Fig 8 33 4 TIMING CHART ajoAQ 929914 hsoyeq 0402 uMopinus 295001 XVN INIL NO 9 95 8Z8814 9500 e oA 150 06 02 929914 ysoujaq 1 jejsouueu JO NUOD SEL 10H 1 1 2010 1910 1055949109 NOH JeSOWJOY JO UOD YOUMS 19 p109 19 34 5 PERFORMANCE DATA a AM 1
42. t using a wire or clamp and replace the insulation 12 Replace the panels in their correct positions 13 Plug in the icemaker or connect the power source 55 Bulb Adjust Screw Cap Nut Capillary Tube Solder Connection Fig 13 13 WATER REGULATING VALVE WATER COOLED MODEL ONLY a VALVE BODY 1 Unplug the icemaker or disconnect the power source 2 Close the water supply tap 3 Remove the Rear Mesh and Front Panel 4 Disconnect the flare connections of the Water Regulating Valve 5 Remove the valve from the Bracket 6 Install a new Water Regulating Valve 7 Connect the flare connections 8 Open the water supply tap 9 Check for water leaks 10 Replace the Rear Mesh and Front Panel in their correct positions 11 Plug in the icemaker or connect the power source 56 b WHOLE VALVE IMPORTANT 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 1 Unplug the icemaker or disconnect the power source 2 Close the water supply tap 3 Remove the Rear Mesh and Front Panel 4 Recover the refrigerant and store it in a proper container if required by an applicable law 1 0 REFRIGERANT RECOVERY 5 Remove the Capillary Tube from the Copper Tube using brazing equipment 6 Disconnect the flare connections from the Bracket 7 Remove the screws and the valve from the Brack
43. tarts and the cubes will be removed from the Evaporator 3 Move the Control Switch to the OFF position Close the Water Supply Line Shut off Valve 4 Remove the Water Tank to drain the water Refit the Water Tank in its correct position 5 Slowly pour the cleaning solution into the Water Tank 6 Move the Control Switch to the WASH position 7 After circulating the cleaning solution for about 30 minutes move the Control Switch to the OFF position 19 8 Remove the Water Tank to the cleaning solution Refit the Water Tank in its correct position 9 Open the Shut off Valve 10 Move the Control Switch to the WASH position to circulate clean water for about 5 minutes 11 Move the Control Switch to the OFF position and immediately back to the WASH position to rinse water 12 Repeat the above rinse procedure three more times to rinse thoroughly 13 Dilute approximately 0 5 fl oz 14 8 ml of 5 25 Sodium Hypochlorite Chlorine Bleach with 1 gal 3 8 lit of water 14 Move the Control Switch to the OFF position Close the Water Supply Line Shut off Valve 15 Remove the Water Tank to drain the water Refit the Water Tank in its correct position 16 Slowly pour the sanitizing solution into the Water Tank 17 Move the Control Switch to the WASH position 18 After circulating the sanitizing solution for about 15 minutes move the Control Switch to the OFF position 19 Remove the
44. the Thermistor Holder and Thermistor from the Evaporator 6 Disconnect the solder connections on the Evaporator using brazing equipment Protect the surrounding components from heat damage 7 Remove the four screws holding the Evaporator 8 Install the new Evaporator and secure it with the four original screws 9 Remove and replace the Drier See DRIER 10 Braze pipes with nitrogen gas flowing at a pressure of 3 4 PSIG 11 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 12 Refit the Thermistor See 10 THERMISTOR FOR CUBE CONTROL 13 Evacuate the system and charge it with refrigerant See 1 c EVACUATION AND RECHARGE 14 Refit the panels in their correct positions 15 Plug in the icemaker or connect the power source 49 5 HOT GAS VALVE IMPORTANT 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 1 Unplug the icemaker or disconnect the power source 2 Remove the Rear Mesh and Front Panel 3 Recover the refrigerant and store it in a proper container if required by an applicable law See 1 b REFRIGERANT RECOVERY 4 Disconnect the Hot Gas Valve leads 5 Remove the screw and the Solenoid Coil 6 Remove the valve and Drier using brazing equipment 7 Braze the new Hot Gas Valve with nitrogen gas flowing at a pressure of 3 4 PSIG WARN
45. ug the icemaker or disconnect the power source 2 Remove the Rear Mesh and Front Panel 3 Recover the refrigerant and store it in a proper container if required by an applicable law See 1 6 REFRIGERANT RECOVERY 4 Remove the Drier Holder if any and pull the Drier toward you for easy service 5 Remove the Drier using brazing equipment 6 Braze or solder the new Drier with the arrow on the Drier in the direction of the refrigerant flow Use nitrogen gas at a pressure of 3 4 PSIG when brazing tubings Braze in an Access Valve using a tee if necessary 7 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 8 Evacuate the system and charge it with refrigerant See 1 EVACUATION AND RECHARGE 9 Refit the panels in their correct positions 10 Plug in the icemaker or connect the power source Note Always use a Drier of the correct capacity and refrigerant type 48 4 EVAPORATOR IMPORTANT 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 1 Unplug the icemaker or disconnect the power source 2 Remove the Rear Mesh Door Top and Front Panels 3 Recover the refrigerant and store it in a proper container if required by an applicable law See 1 b REFRIGERANT RECOVERY 4 Remove the Water Tank and Water Plate referring to IV 1 CLEANING 5 Remove
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