Home

Service Manual - Whaley Food Service

1. 74 SPECIFICATIONS 1 KM 1300SAF Air cooled AC SUPPLY VOLTAGE 208 230 60 1 vvire with neutral for 115 V AMPERAGE 12 6 5 min freeze AT 104 WT 80 F MINIMUM CIRCUIT 20A MAXIMUM FUSE SIZE 20A APPROX ICE PRODUCTION Ambient PER 24 HR Tm 70 90 Ibs day kg day 70 Reference without marks 80 90 100 SHAPE OF ICE Crescent Cube ICE PRODUCTION PER CYCLE 30 1 Ibs 13 7 1440 pcs STORAGE N A ELECTRIC 8 WATER CONSUMPTION 90 F 70 F 70 F 50 F ELECTRIC W KVVH 100 lbs 2235 4 75 2180 4 08 WATER gal 24 HR gal 100 Ibs 247 21 9 479 37 3 EXTERIOR DIMENSIONS WxDxH 48 x 2738 x 27319 1219 x 695 x 695 FINISH Stainless steel Galvanized Steel Rear WEIGHT Net 275 16 125 kg Shipping 315 Ibs 143 kg CONNECTIONS ELECTRIC Permanent Connection WATER SUPPLY Inlet tle DRAIN Outlet 314 ID Pipe CUBE CONTROL SYSTEM Float Switch HARVESTING CONTROL SYSTEM Hot Gas and Water Thermistor and Timer ICE MAKING WATER CONTROL Timer Controlled Overflow Pipe COOLING WATER CONTROL N A BIN CONTROL SYSTEM Thermostat COMPRESSOR Hermetic Model CS14K6E PFV CONDENSER Air cooled Fin and Tube type EVAPORATOR Vertical type Stainless Steel and Copper REFRIGERANT CONTROL Thermostatic Expansion Valve REFRIGERANT CHARGE R404A 3 Ibs 14 oz 17
2. COMPRESSOR 7 BIN CONTROL THERMOSTAT LINE VALVE CONTROL SWITCH TRANSFORMER BOX KM 1300SAF3 ONLY CONTROL BOX 13 b KM 1300SWF 3 SPRAY TUBES WATER SUPPLY INLET WATER VALVE HOT GAS VALVE 2 JUNCTION BOX o SN Y lt 2 SES CONTROL BOX hy 5 i CHECK VALVES 7 41 CONDENSER INTERLOCK 7 7 REGULATOR FLOAT SVVITCH EXPANSION VALVE DRIER COMPRESSOR BIN CONTROL THERMOSTAT CONTROL SWITCH LINE VALVE TRANSFORMER BOX KM 1300SVVF3 ONLY KM 1300SRF 3 INTERLOCK SWITCH FLOAT SWITCH EXPANSION VALVE SPRAY TUBES WATER SUPPLY INLET WATER VALVE HOT GAS VALVE JUNCTION tp Let CHECK VALVES H 6 0 ede A d cr z lt TT etin m 7 B RECEIVER TANK lt f EN 7 d 5 4 COMPRESSOR CONTROL THERMOSTAT r LINE VALVE CONTROL SWITCH CONTROL BOX DRIER TRANSFORMER BOX KM 13005RF3 ONLY 2 CONTROLLER BOARD SOLID STATE CONTROL 1 A HOSHIZAKI exclusive solid state control is employed in KM 1300SAF KM 1300SVVF KM 1300SRF KM 1300SAF3 KM 1300SVVF3 and KM 1300SRF3 Stackable Crescent Cubers 2 A Printed Circuit Board hereafter called Contr
3. wo 60 10 207 Jy 7 Connector K3 Defrost Control Thermistor 122 Backup Defrost Timer LED Connector K4 Open not connected Alarm Buzzer 1 Microprocessor Will indicate Board revision level on attached label last 2 digits Power LED Lights up Connector K5 when power Float Switch is supplied to the Board Part Number Connector K1 Pins 1 through 10 1 9 Magnetic Contactor 2 Hot Gas Valve 3 Line Valve 4 Pump Motor icemaking 5 Pump Motor drain 6 VVater Valve 7 10 Povver line Bin Control 8 Rela LED s 4 Switch for C Board Indicate which and ALPINE Board Transformer Connector Relays are energized Service Boards only Control Products HOSHIZAKI001 Board 21 Svvitch Output Test Switch Used to test Relays on Board Alarm_Reset Switch 0008810 OUTPUT TEST Backup Freeze Timer LED Connector K3 Defrost Control Thermistor Backup Defrost Timer LED Connector K4 Open not connected Alarm Buzzer b Microprocessor Will indicate Board revision level on attached label last 2 digits Power LED Lights up Connector K5 when power Float Switch is supplied to the Board Pins 1 through 10 1 9 Magnetic Contactor 2 Hot Gas Valve 3 Line Valve 4 Pump Motor
4. c Hot Gas Solenoid Valve Continues to open in freeze Check and replace d Line Valve Continues to close in freeze cycle Check and replace e VVater Solenoid Valve Water Solenoid Valve is open during freeze Check for vvater leaks vvith icemaker off f Water Supply Line Water cooled model only Condenser water pressure too low or off and Pressure Control opens and closes frequently 51 Check and get recommended pressure 2 IS FROZEN UP PROBLEM 1 Freeze cycle POSSIBLE CAUSE a Float Switch 1 Leads short circuit or REMEDY Check and replace time is too long 2 All ice formed on Evaporator does not fall into bin in harvest cycle 3 Others defective switch Float does not move freely 2 Clean or replace b Water Solenoid Valve Diaphragm does not close Check for water leaks with icemaker off c Controller Board a Evaporator Defective Scaled up See 1 2 CHECKING CONTROLLER BOARD Clean b Water Supply Line c Water Filter System Water pressure too low Check and get recommended pressure Dirty Restricted Replace filter d Water Solenoid Valve Dirty mesh filter or orifice Clean Ambient and or water temperature Too cool Increase temperature f
5. 6 Remove the screvvs and the Pump Motor Bracket Fig 3 66 7 Remove the closed end connectors from the Pump Motor leads 8 Remove the tvvo screvvs and the Pump Motor Bracket 9 Remove the Pump Housing and check the Impeller 10 If the Impeller is defective install a new Impeller 11 Install the new motor or new parts and replace the removed parts in the reverse order of which they were removed 12 Turn on the power supply and check for leaks 13 Replace the Front Panel in its correct position 15 REMOVAL AND REPLACEMENT OF SPRAY TUBES 1 Turn off the power supply 2 Remove the Front Panel and the Insulation Panel 3 Remove the Rubber Hoses from the Spray Tubes Water Supply Pipe 4 Release the Clamps and disconnect the Rubber Hoses 5 Remove the Spray Tubes by squeezing the side tabs 6 Install the new Spray Tubes and replace the removed parts in the reverse order of which they were removed 7 Replace the panels in their correct positions 8 Turn on the power supply 67 VI 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 PREPARING THE ICEMAKER FOR LONG STORAGE WARNING When shutting off the icemaker for an extended time drain out all water from the water tank and remove the ice from the Storage Bin The Storage Bin should be cleaned and dried Drai
6. 5 Pump Motor 6 VVater Valve 7 10 Povver line Bin Control 8 Rela LED s 4 Switch for Board Indicate which and ALPINE Board Relays are energized Service Boards only Transformer Connector Control Products HOS 001A Board 22 SEQUENCE 1st Cycle KM 1300SAF 3 KM 1300SWF 3 and KM 1300SRF 3 1 Unit energized and Control Switch to ICE position Water supply cycle starts 2 After 1 minute Defrost cycle starts WATER VALVE PUMP FAN amp LINE VALVE 5 After the first 5 minutes in freeze cycle Ready to complete freeze cycle when Float Switch circuit opens IMPORTANT Board never accepts freeze completion signal within the first 5 minutes in freeze cycle WATER VALVE 3 Thermistor reads 48 F Defrost Timer starts counting Water Valve opening is limited to 6 minutes 4 Defrost Timer stops counting Defrost cycle is completed and freeze cycle starts IMPORTANT 1 Board never accepts defrost completion signal within the first 2 minutes in defrost cycle 2 Defrost cycle time is limited to 20 minutes even if Defrost Timer does not stop counting 23 2 Cycle and after with pump KM 1300SAF 3 KM 1300SVVF 3 and KM 1300SRF 3 IMPORTANT Freeze cycle time is limited to 60 minutes even if Float Switch does not open 1 Float Switch opens and signals to complete 2 Drain timer stops counting freeze cycl
7. 5 Allovv the line to drain by gravity 6 Attach compressed air or carbon dioxide supply to the Potable VVater Line Drain Valve 7 Move the Control Svvitch to the ICE position 8 Blovv the potable vvater line out using compressed air or carbon dioxide 3 Drain the Potable VVater Tank 1 Turn off the povver 2 Move the Control Svvitch to the OFF position 3 Drain the Water Tank by removing the nsulation Panel and the Cap located on the front bottom part of the Dropping Hole See Fig 4 4 Replace the removed paris in their correct positions 5 Remove all ice from the Storage Bin and clean the Storage Bin 6 Replace the Front Panel in its correct position 7 Close the Drain Valve Cube Guide Separator Front Inside of ce Dropping Hole Fig 4 69 2 CLEANING PROCEDURE Ensure all components fasteners thumbscrevvs are securely in place after any maintenance or cleaning is done to the equipment WARNING HOSHIZAKI recommends cleaning this unit at least once a year More frequent cleaning however may be required in some existing water conditions To prevent injury to individuals and damage to the icemaker do not use ammonia type cleaners Always wear liquid proof gloves for safe handling of the cleaning and sanitizing solution This will prevent irritation in case the solution comes into contact with skin IMPOR
8. pote JojeJode 3 DERE ial alte aqn 2 509 A ddng 32 TECHNICAL INFORMATION 1 WATER CIRCUIT AND REFRIGERANT CIRCUIT a KM 1300SAF KM 1300SAF3 Ib KM 1300SVVF KM 1300SVVF3 2912 39905 SY SED 10H uoneinsu 2900 1 m ELA itat A amp XiS 1 e1nsseJd YIH 10 il m 33 KM 1300SRF KM 1300SRF3 1919 eur OUD SSA Sec 10H e1nsseJd Bnig siqisn lqisn i L m Lie E CH 55000 Joyeiodeag ral falta y 255 Xue m m I 2 8 aqn Buno uuo 34 2 WIRING DIAGRAMS a KM 1300SAF 208 230 60 1 WIRE WITH NEUTRAL FOR 1150 N BIN CONTROL m n CONTROLLER BOARD THERMISTOR 21 6 VURTAL o3 U
9. HEAD PRESSURE PSIG SUCTION PRESSURE PSIG AMBIENT WATER TEMP F C TEMP F C 50 10 70 21 90 32 70 21 80 27 90 32 100 38 70 21 80 27 90 32 100 38 70 21 80 27 90 32 100 38 70 21 80 27 90 32 100 38 70 21 80 27 90 32 100 38 70 21 80 27 90 32 100 38 70 21 80 27 90 32 100 38 HEAT OF REJECTION FROM CONDENSER HEAT OF REJECTION FROM COMPRESSOR WATER FLOW FOR CONDENSER PRESSURE DROP OF COOLING WATER LINE 1301 590 1279 580 1273 577 1250 567 1273 577 1235 560 1204 546 1186 538 21533 5 80 1574 5 96 1586 6 00 1664 6 30 1586 1656 1715 1769 6 00 6 28 6 49 6 70 1205 547 1152 523 1126 511 1055 479 1776 6 72 1911 7 23 1945 7 36 2158 8 17 15 450 Btu h 90 32 C WT 70 21 C 2 560 Btu h 90 F 32 C WT 70 F 21 C 88 gal h AT 100 38 C WT 90 F 32 C less than 10 PSIG Note Pressure data is recorded first 5 minutes in freezing The data without marks should be used for reference VVe reserve the right to make changes in specifications and design vvithout prior notice 47 f KM 1300SRF3 WATER TEMP APPROXIMATE TEMP F C 50 10 70 21 90 32 ICE PRODUCTION PER 24 HR 70 21 1308 593 1282 581 1203 546 80 27 1288 584 1247 566 1145 520 90 32 1282 581 1218 552 1125 51
10. HOSHIZAKI STACKABLE CRESCENT CUBER MODELS KM 1300SAF KM 1300SWF KM 1300SRF KM 1300SAF3 KM 1300SWF3 KM 1300SRF3 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 vvrite to the HOSHIZAKI Technical Support Department for assistance HOSHIZAKI INC 618 Highvvay 74 South Peachiree City GA 30269 Attn HOSHIZAKI Technical Support Department Phone 1 800 233 1940 Technical Service 770 487 2331 Fax 770 487 3360 NOTE assistance all correspondence communication MUST include the following information Model Number Serial Number Complete detailed explanation of the problem Please review this manual It should be read carefully before the icemaker is serviced or maintenance operations are performed Only qualified service technicians should service and maintain the icemaker This manual should be made avallable to the technician prior to service or maintenance CONTENTS PAGE l SPECIFICATIONS ZAD dba un ar ip pea ard pd areas nates 5 1 KM 1300SAF Air co
11. Wiring to Water Valve 49 Check for loose connection or open and replace PROBLEM POSSIBLE CAUSE REMEDY Controller Board 1 Defective See 1 2 CHECKING CONTROLLER BOARD m Interlock Switch Cleaning Valve 2 Water continues to be supplied and the ice a Float switch OFF position Move to ON position Bad 5 disconnected 2 Check for and replace Place in position Leads opened or defective svvitch 2 Check and replace Float does not move freely 3 Clean or replace maker will not b Controller Board start 3 Compressor will not start Wash Switch Defective WASH position Replace Move to ICE position Bad contacts 2 Check and replace or stops operating b High Pressure Controller Dirty Air Filter or Condenser Clean Ambient or condenser water temp too warm Reduce ambient temp Refrigerant overcharged Recharge Condenser water pressure too low or off Water cooled model only Check and get recommended pressure Fan not operating Except water cooled model See chart 1 6 Refrigerant line or components plugged Clean and replace Drier c Water Regulator Set too high Adjust lower
12. d Overload Protector Bad contacts Check for continuity and replace Voltage too low Increase voltage Refrigerant overcharged or undercharged Recharge Line Valve continues to close in freeze cycle and Overload Protector operates Check Line Valve s operation in freeze cycle and replace Starter Bad contacts Check and replace Coil winding opened 2 Replace f Start Capacitor or Run Capacitor Defective Replace 9 Magnetic Contactor Bad contacts Check for continuity and replace Coil winding opened 2 Replace h Compressor Wiring to Compressor Check for loose connection or open and replace Defective Replace Protector tripped Reduce temperature i Controller board 4 Water a Water Solenoid continues to Valve Defective Diaphragm does not close See 1 2 e CHECKING CONTROLLER BOARD Check for water leaks with icemaker off be supplied in b Controller Board freeze cycle Defective 50 See II 2 e CHECKING CONTROLLER BOARD POSSIBLE CAUSE REMEDY 5 No vvater comes from Spray Tubes a Water Supply Line 1 VVater pressure too lovv and vvater level in VVater Tank too low Check and get recommended pressure Water Pump will not start or freez
13. Remove the Expansion Valve Cover and disconnect the Expansion Valve using brazing equipment 6 Braze the nevv Expansion Valve vvith nitrogen gas flovving at the pressure of 3 4 PSIG WARNING 1 Do not heat the wall Place a steel barrier for protection 2 Always protect the valve body by using a damp cloth to prevent the valve from overheating Do not braze with the valve body exceeding 250 F 7 Install the new Drier 8 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 9 Evacuate the system and charge it with refrigerant For water cooled models see the Nameplate for the required refrigerant charge For remote air cooled models see the Charge Label in the machine compartment 10 Attach the Bulb to the suction line in position Be sure to secure it with clamps and to insulate it 11 Place the new set of Expansion Valve Covers in position 12 Replace the panels in their correct position 13 Turn on the power supply 58 6 REMOVAL AND REPLACEMENT OF HOT GAS VALVE VALVE AND GAS VALVE CAUTION Alvvays use a copper tube of the same diameter and length vvhen replacing the hot gas lines othervvise the performance may be reduced IMPORTANT Alvvays install a nevv 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 Turn off the power supply 2 Remove the panels 3 Recover the refrig
14. 264 45 100 VVATER SUPPLY 45 90 VVATER SUPPLY PRESS 10 113 PSIG 10 7 CONDENSING UNIT URC 12F 10x20mm 4x3 SLOTTED HOLES 17 1 8 435mm 15 11 16 398mm 14 15 16 380mm 14 9 16 370mm 36 13 16 935mm 33 15 32 850mm 14 1 16 357mm 2 22 35 11 16 907 2mm Ci e p 21 15 16 557 8mm ELECT SUPPLY 7 8 DIAM OPENING 15 3 4 2 15 16 380mm 380mm 11 MODEL URC 12F SPECIFICATIONS EXTERIOR DIMENSIONS W x D x H REFRIGERANT CHARGE URC 12F WEIGHT CONNECTIONS REFRIGERANT ELECTRICAL CONDENSER HEAD PRESSURE CONTROL AMBIENT CONDITION 12 Galvanized Steel 35 11 16 x 15 11 16 x 21 15 16 907 2 x 398 x 557 8 mm R404A 4 Ibs 7 oz 2000 g Net 80 105 36 kg Shipping 87 lbs 39 kg One Shot Couplings Aeroquip Permanent Connection Air cooled Condensing Pressure Regulator Min 20 F Max 122 F 29 to 50 C Outdoor use GENERAL INFORMATION 1 CONSTRUCTION lal KM 1300SAF 3 SPRAY TUBES WATER SUPPLY INLET WATER VALVE HOT GAS VALVE JUNCTION BOX _ CHECK VALVES i CONDENSER WATER PUMP E 4 CONDENSER FAN MOTOR INTERLOCK SWITCH FLOAT SWITCH EXPANSION VALVE
15. Float Switch circuit opens IMPORTANT IMPORTANT Board never accepts freeze completion signal Board never accepts defrost completion vvithin the first 5 minutes in freeze signal vvithin the first 2 minutes in defrost 2 Defrost time is limited to 20 minutes even if Defrost Timer does not stop counting 25 d CONTROLS AND ADJUSTMENTS Switch is factory adiusted to the following positions DIP SVVITCH NO 1 2 3 4 5 6 7 8 9 10 2U0127 01 13005 F 3 2A0836 01 2A1410 01 13005 KM 1300SWF3 13005 KM 1300SRF3 OFF OFF 1ON ON ION ION INA OFF OFF ON ON ION OFF OFF OFF OFF OFF OFF ON ON ION OFF Switch Nos 1 and 2 Used for adiustment of the Defrost Timer The Defrost Timer starts counting when the Thermistor reads a certain temperature at the Evaporator outlet Svvitch Nos 3 and 4 Used for adiustment of the Drain Timer VVhen a freeze is completed the Pump Motor stops and the icemaker resumes operation in 2 seconds Then the Pump Motor drains the VVater Tank for the time determined by the Drain Timer The Drain Timer also determines the time to restrain completion of a defrost the minimum defrost time Svvitch Nos 5 and 6 Used for adiustment of the Drain Counter The Pump Motor drains t
16. HH n n amp Line Valve or Overheat Protect ON Fan Motor T Condenser Unit orr 1 Water Valve 1 ON B Gas Valve 1 Bs Bp 1 m K 1 icemaker does not complete a defrost cycle in the first 2 or 3 minutes See II 2 d CONTROLS AND ADJUSTMENTS 41 Stand by Cycle When Control Sw is turned OFF Pressure Sw is OFF or Thermistor Temp exceeds 1 To Freeze Cycle From Freeze Cycle High Temp Mid Temp Lov Temp Too Lov Temp DEBERE Defrost include drain ti Thermistor 2 ON Float Switch L ss ON Compressor OFF 25 4 Heater 3 Pump Motor 1 1 LIN _______ 777 NI amp Line valve con O NOO sj U GE ___________ 7 Fan Motor Condenser Unit o P ON aM Water Valve orr L N 5 ON Hot Gas Valve 2 OFF 1 The Pump Motor waits for 2 seconds before starting a drain cycle See Il 2 4 CONTROLS AND ADJUSTMENTS 2 does not complete a defrost cycle in the first 2 or 3 minutes See Il 2 d CONTROLS AND ADJUSTMENTS 42 4 PERFORMANCE DATA lal KM 1300SAF WATER C APPROXIMATE TE
17. Hermetic Model CS14K6E TF5 CONDENSER VVater cooled Tube in Tube type EVAPORATOR Vertical type Stainless Steel and Copper REFRIGERANT CONTROL REFRIGERANT CHARGE PRESSURE BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION Thermostatic ExpansionValve R404A 2 Ib 2 oz 950 4 High 427 Low 230 PSIG High Voltage Cut out Low Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Svvitch Float Svvitch ACCESSORIES SUPPLIED N A REQUIRED Ice Storage Bin OPERATION CONDITIONS VOLTAGE RANGE 187 253 45 100 VVATER SUPPLY 45 90 F VVATER SUPPLY PRESS 10 113 PSIG reserve the right to make changes in specifications and design without prior notice 9 6 KM 1300SRF3 Remote air cooled AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROX ICE PRODUCTION REFERENCE PER 24 HR bs day kg day Reference vvithout marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W KWH 100 lbs WATER gal 24 HR gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMP
18. Line Valve Continues to open in harvest cycle Check operation in harvest cycle and replace 9 Thermistor Out of position or loose attachment See 11 REMOVAL AND REPLACEMENT OF Controller Board a Spray Tubes Defrost Timer is set too short Adjust longer referring to Il 2 d CONTROLS AND ADJUSTMENT 2 Defrost Timer Defective Clogged See 2 CHECKING CONTROLLER BOARD Clean Out of position Place in position b Water System Dirty Clean Refrigerant Undercharged Check for leaks and recharge d Expansion Valve Bulb out of position or loose attachment Place in position Defective Replace e Hot Gas Solenoid Valve Coil winding opened Replace Plunger does not move Replace Wiring to Hot Gas Valve Check for loose connection or open and replace f Water Supply Line Too small requires 1 2 OD line dedicated per machine Increase water line size 9 Water filter Flow rate too small 52 Replace with filter that has larger flow rate 3 LOVV ICE PRODUCTION PROBLEM POSSIBLE CAUSE REMEDY 1 Freeze See chart 1 3 and check dirty Air Filter or Condenser ambient or vvater time is long temperature vvater pressure VVater Re
19. cylinder valve broken 2 Mounting pad out of 2 Reinstall position d Refrigerant Lines 1 Rub or touch lines or other 11 Replace surfaces 3 Ice in storage a Bin Drain 1 Plugged 1 Clean bin often b and Bin 1 Drains not run separately 11 Separate the Drain Lines melts 53 REMOVAL AND REPLACEMENT OF COMPONENTS Ensure all components fasteners and thumbscrevvs securely place after the equipment is serviced IMPORTANT The Polyol Ester POE oils used in 404 units can absorb moisture quickly Therefore it is important to prevent moisture from entering the sys tem vvhen replacing or servicing 5 Always install a new filter drier every time the sealed refrigeration system is opened Do not leave the system open for longer than 5 minutes when replacing or servicing parts 1 SERVICE FOR REFRIGERANT LINES lal REFRIGERANT RECOVERY The icemaker unit is provided with two Refrigerant Access on the lovv side and one on the high side line Using proper refrigerant practices recover the refrigerant from the Access Valves store it in an approved container Do not discharge the refrigerant into the atmosphere b EVACUATION AND RECHARGE R 404A 1 Attach Charging Hoses a Service Manifold and a Vacuum Pump to the system Be sure to connect charging hoses to both High and Low side Access Valv
20. low charge or inefficient compressor To manually reset the above safeties depress white alarm reset button with the power supply ON 6 beeps every 3 sec Low Voltage Voltage is 92 Vac or less 7 beeps every 3 sec High Voltage Control voltage gt 147Vac 5 The red LED will de energize if voltage protection operates The voltage safety automatically resets when voltage is corrected The Output Test switch S3 provides a relay sequence test With power OFF place S3 on and switch power to ICE The correct lighting sequence should be none 2 3 4 1 amp 4 normal se quence every 5 seconds S3 should remain in the OFF position for normal operation The application switch located between relay X3 amp X4 must be set to match the original board application Place this switch in the ALP position if there is no white wire supplied to the K1 connec tor If there is a white wire place the switch in the C position If this switch is placed in the wrong position either the compressor contactor will remain energized with the control switch OFF or the unit willnotstart The dip switches should be adjusted per the adjustment chart published in the Tech Specs book 7 amp 8 must remain in the OFF position 20 Switch Output Test Switch Used to test Relays on Board Alarm Reset Switch 0008810 OUTPUT TEST Backup Freeze Timer LED 125 5 00000000
21. 0 bs day kg day 100 38 1252 568 1196 543 1039 471 ELECTRIC CONSUMPTION watts APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME min HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE PSIG SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 HEAT OF REJECTION FROM CONDENSER 16 600 Btu h AT 90 F 32 C WT 70 F 21 C HEAT OF REJECTION FROM COMPRESSOR 2 500 Btu h AT 90 F 32 C WT 70 21 C CONDENSER VOLUME 132 cu in URC 12F Note Pressure data is recorded first 5 minutes in freezing cycle The data without marks should be used for reference We reserve the right to make changes in specifications and design without prior notice 48 IV SERVICE DIAGNOSIS 1 NO ICE PRODUCTION PROBLEM POSSIBLE CAUSE REMEDY 1 The icemaker will not start a Power Supply 1 OFF position Move to ON position 2 Loose connections Tighten 3 Bad contacts Check for continuity and replace 4 Voltage too high Check and get recommended voltage b Fuse Inside Fused Disconnect if any Blown out Check for short circuit and replace c Control Switch OFF position Move to ICE position Bad contacts 2 Check for continuity and replace d Bin Contr
22. 10 cycles 28 5 Freeze Timer CAUTION Adjust to proper specification or the unit may not operate correctly Tvvo dip svvitches numbered 9 and 10 have been added to the improved board to better prevent possible freeze ups These settings come set to the default setting of 60 min OFF OFF Check the adiustment chart published in the Tech Specs for proper settings If the old board does not have these two dip switches only 8 in stead of 10 leave setting as OFF OFF SETTING TIME Dip Switch Dip Switch No 9 No 10 OFF OFF 60 min ON OFF 70 min OFF ON 50 min ON ON 60 min 6 Bin Control CAUTION When the ambient temperature is below 45 F the Bin Control Thermostat operates to stop the icemaker even if the Ice Storage Bin is empty When the Thermostat is set in the prohibited range the icemaker operates continuously even if the Ice Storage Bin is filled with ice Setting in the prohibited range might cause severe damage to the icemaker resulting in failure No adjustment is required under normal use as the Bin Control is factory adjusted Adjust it if necessary so that the icemaker stops automatically within 10 seconds after ice contacts the Bin Control Thermostat Bulb e CHECKING THE CONTROLLER BOARD 1 Visually check the sequence with the icemaker operating 2 Visually check the Controller Board by using the following procedures i Adjust the Defrost Timer to minimum pos
23. 34 2 DIAG RAMS a a 35 a KM T 900SAF u uhaq E 35 B KM T800SWE ay a aaa sine 36 CIKMA SOOS RE 37 dJ KM T800SAF95 Guau sl 38 cium 39 2 dc 40 MNG OAAR CERE 41 4 PERFORMANCE DATA erotici 43 3 ISTO GSA 43 B KM T800SWE al 44 C SA BOOS 45 dJKM T800SAF395 46 47 FEATS OOS IAG GE QU ua oliva 48 V SERVICE DIAGNOSIS 49 LANG ICE PRODUGTION 49 2 EVAPORATOR15FROZEMUP LZLHLER DIRIR ta Ret 52 3 LOW ICE PRODUCTION s 53 ABNORMAL A 53 5 OTHERS xu 53 V REMOVAL AND REPLACEMENT OF COMPONENTS 54 1 SERVICE FOR REFRIGERANT LINES si 54 a REFRIGERANT RECOVERY 54 b EVACUATION AND RECHARGE 54 2 BRAZING La 55 3 REMOVAL AND REPLACEMENT
24. 500 DESIGN PRESSURE High 467 PSIG Low 230 PSIG P C BOARD CIRCUIT PROTECTION High Voltage Cut out Internal COMPRESSOR PROTECTION Auto reset Overload Protector Internal REFRIGERANT CIRCUIT PROTECTION Auto reset High Pressure Control Switch LOW WATER PROTECTION Float Switch ACCESSORIES SUPPLIED N A REQUIRED Ice Storage Bin OPERATION CONDITIONS VOLTAGE RANGE 187 264 V 45 100 F VVATER SUPPLY 45 90 F VVATER SUPPLY PRESS 10 113 PSIG reserve the right to make changes in specifications and design vvithout prior notice 5 2 KM 1300SVVF VVater cooled AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROX ICE PRODUCTION PER 24 HR bs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W KVVH 100 lbs WATER gal 24 HR gal 100 Ibs WATER COOLED CONDENSER gal 24 hr gal 100 Ibs EXTERIOR DIMENSIONS WxDxH 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 DESIGN PRESSURE P C BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATION C
25. Install the new Drier 10 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 11 Evacuate the system and charge it vvith refrigerant See the Nameplate for the required refrigerant charge 12 Connect the Flare connections 13 Open the VVater Supply Line Shut off Valve 14 Check for vvater leaks 15 Replace the panels in their correct positions 16 Turn on the power supply 61 9 ADJUSTMENT OF WATER REGULATING VALVE WATER COOLED MODEL ONLY The Water Regulating Valve also called WATER REGULATOR is factory adjusted No adjustment is required under normal use Adjust the Water Regulator if necessary using the following procedures 1 Attach a pressure gauge to the high side line of the system Or prepare a thermometer to check for the condenser drain temperature 2 Rotate the adjustment screw by using a flat blade screwdriver so that the pressure gauge shows 280 PSIG or the thermometer reads 108 117 5 minutes after a freeze cycle or icemaking process starts When the pressure exceeds 280 PSIG or the condenser drain temperature exceeds 115 F rotate the adjustment screw counterclockwise See Fig 1 and the chart below 3 Check that the pressure or the condenser drain temperature holds a stable setting ADJUSTMENT SCREW ADJUSTMENT SCREW CW Higher CCVV Lovver 6 9 TOP VIEVV Fig 1 70 288 111 275 108 278 108 108 285 109 110 288 110 10 REMO
26. M 1300SWF3 208 230 68 1 H L L BIN CONTROL s A em csl WIRE COLOR CODE BR BRO Y WIE BK BLACK R 0 RNE GRAY PINK DR AK BLE y E EN ONLY AIR COOLED TRAFON re Ls Note Pressure Svvitch Cut out 3843755 PSIG Cut in 284 21 3 PSIG 39 KM 1300SRF3 208 230 60 3 BIN CONTROL R 55 5 8 EZT m 2 55 a IE gt lt Soy m Lo WIRE COLOR COE 110 BR BRON 3j V HUE di 18 Jie s 5 il J LC BK BLAKK R 0 RAE Gt Gut P DBu DARK BLUE nE y Y 809 REMOTE CONDENSER UNIT ONLY F D E AIR COOLED H R CRANKCASE HEATER NLY REMOTE AIR COOLED MODEL Note Pressure Switch Cut out 4123 PSIG Cut in 327 21 3 PSIG 40 3 TIMING CHART When Control Sw is turned OFF Pressure Sw is OFF or Thermistor Temp exceeds tl From Defrost Cycle To Defrost Cycle If Float Sw is OFF Defrost Lo Temp Too Lo Temp Normal Too Hi Temp Lo Water Initial Freeze Water Supply Mode 1 ti Thermistor z Temp BE Switch Compressor A Thermostat Icemaking L LY Pump Motor oF ON Sw Fan Motor N f i
27. MP F C 90 32 ICE PRODUCTION PER 24 HR 70 21 1283 582 1238 562 1135 515 80 27 1249 566 1178 535 1053 478 90 32 1238 562 1129 512 1011 458 lbs day kg day 100 38 1203 546 1101 500 902 409 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 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg em G 100 38 TOTAL HEAT OF REJECTION 19 800 Btu h AT 90 F 32 C WT 70 F 21 C Note Pressure data is recorded first 5 minutes in freezing The data without marks should be used for reference VVe reserve the right to make changes in specifications and design vvithout prior notice 43 KM 1300SVVF WATER TEMP 4 APPROXIMATE TEMP F C ICE PRODUCTION PER 24 HR 70 21 1176 533 80 27 1134 514 90 32 1119 508 bs day kg day 100 38 1056 479 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 1663 6 30 CONSUMPTION PER 24 80 27 1763 90 32 1846 6 99 gal day m3 day 100 38 1910 7 23 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 _ CYCLE TIME 70 21 80 27 90 32 100 38 HEAD PRESSURE PSIG S
28. OF COMPRESSOR 56 4 REMOVAL AND REPLACEMENT OF DRIER 57 5 REMOVAL AND REPLACEMENT OF EXPANSION VALVE 58 6 REMOVAL AND REPLACEMENT OF HOT GAS VALVE LINE VALVE AND GAS VALVE natnra tau e uk 59 7 REMOVAL AND REPLACEMENT OF EVAPORATOR 60 8 REMOVAL AND REPLACEMENT OF WATER REGULATING VALVE WATER COOLED MODEL ONLY 61 9 ADJUSTMENT OF WATER REGULATING VALVE WATER COOLED 62 10 REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE REGULATOR C P R REMOTE AIR COOLED MODEL ONLY 63 11 REMOVAL AND REPLACEMENT OF THERMISTOR 64 12 REMOVAL AND REPLACEMENT OF FAN MOTOR 65 13 REMOVAL AND REPLACEMENT OF WATER VALVE 66 14 REMOVAL AND REPLACEMENT OF PUMP MOTOR 66 15 REMOVAL AND REPLACEMENT OF SPRAY TUBES 67 MAINTENANCE AND CLEANING INSTRUCTIONS eee 68 1 PREPARING THE ICEMAKER FOR LONG STORAGE 68 2 CLEANING PROCEDURE uuu u au 70 fal GLEANING PROCEDURE 71 b SANITIZINGPROCEDURE s aaa Ra 73 3
29. ONDITIONS We reserve the right to make changes in specifications and design without prior notice 208 230 60 1 wire with neutral for 115 9 7 5 MIN Freeze 104 F WT 80 F 20 20 Ambient Temp 50 70 90 70 1252 568 1233 559 1176 533 80 1238 561 1209 548 1134 514 90 1233 559 1188 539 1119 508 100 1211 549 1172 532 1056 479 Crescent Cube 30 1 Ibs 13 7 1440 pcs N A 90 F 70 F 70 F 50 F 2050 4 0 1975 3 8 325 27 4 623 49 8 1521 128 964 77 48 2738 273 1219 x 695 x 695 Stainless steel Galvanized Steel Rear Net 265 Ibs 120 kg Shipping 315 Ibs 143 Permanent Connection nlet 12 Condenser Inlet 12 FPT Outlet 34 Condenser Outlet 28 ID Pipe Float Svvitch Hot Gas and VVater Thermistor and Timer Timer Controlled Overflow Pipe Water Regulator Thermostat Hermetic Model CS14K6E PFV Water cooled Tube in Tube type Vertical type Stainless Steel and Copper Thermostatic ExpansionValve R404A 2 Ib 2 oz 950 4 High 427 PSIG Low 230 PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Storage Bin VOLTAGE RANGE 187 253 45 100 VVATER SUPPLY TEMP 45 90 F VVATER SUPPLY PRE
30. PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATION CONDITIONS 208 230 60 3 7 8 5 min freeze AT 1042 F WT 80 F 20A 20A Ambient Temp 50 70 90 1257 570 1153 523 1174 533 1060 481 1105 501 993 450 1079 489 890 404 70 51320 599 80 1272 577 90 1257 570 100 1230 558 Crescent Cube 30 1 Ibs 13 7 kg 1440 pcs N A 90 F 70 F 70 F 50 F 2275 5 0 2150 3 9 292 21 9 488 37 3 48 x 2738 x 27318 1219 x 695 x 695 Stainless steel Galvanized Steel Rear Net 275 Ibs 125 Shipping 315 Ibs 143 kg Permanent Connection Inlet 2 Outlet 24 ID Pipe Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS14K6E TF5 Air cooled Fin and Tube type Vertical type Stainless Steel and Copper Thermostatic ExpansionValve R404A 3 Ibs 14 oz 1750 9 High 467 PSIG Low 230 PSIG High Voltage Cut out Low Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Storage Bin VOLTAGE RANGE 187 253 45 100 VVATER SUPPLY TEMP 45 90 F VVATER SUPPLY PRESS 10 113 PSIG VVe reserve the right to make changes in specifications and design vvithou
31. RESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE P C BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATION CONDITIONS We reserve the right to make changes in specifications and design without prior notice 208 230 60 3 10 8 5 min freeze AT 104 WT 80 F 20A 20A Ambient Water Temp F Temp F 50 70 1308 593 80 1288 584 90 1282 581 1252 568 Crescent Cube 30 1 Ibs 13 7 1440 pcs N A 90 F 70 F 70 F 50 F 2300 4 53 2270 4 17 252 20 7 463 35 4 48 x 2738 x 2731 1219 x 695 x 695 Stainless steel Galvanized Steel Rear Net 255 105 116 Shipping 315 1 143 Permanent Connection Inlet l Outlet 3 ID Pipe Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS14K6E TF5 Air cooled remote Condenser Unit URC 12F recommended Vertical type Stainless Steel and Copper Thermostatic Expansion Valve Condensing Pressure Regulator on URC 12F R404A 11 165 7 oz 5200 g Ice maker 7 lbs Cond unit 4 lbs 7 oz HIGH 467 PSIG LOW 230 PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Storage Bin Remote Condenser Unit VOLTAGE RANGE 187
32. SS 10 113 PSIG 3 KM 1300SRF Remote air cooled AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT MAXIMUM FUSE SIZE APPROX ICE PRODUCTION REFERENCE PER 24 HR bs day kg day Reference vvithout marks SHAPE OF ICE ICE PRODUCTION PER CYCLE STORAGE ELECTRIC 8 WATER CONSUMPTION ELECTRIC W KVVH 100 lbs WATER gal 24 HR gal 100 Ibs EXTERIOR DIMENSIONS WxDxH 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 DESIGN PRESSURE P C BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATION CONDITIONS We reserve the right to make changes in specifications and design without prior notice 208 230 60 1 3 wire with neutral for 115 V 14 5 5 min freeze AT 104 F WT 80 F 20A 20A Ambient Water Temp F Temp __ 50 70 90 70 80 90 100 Crescent Cube 30 1 Ibs 13 7kg 1440 pcs 90 F 70 F 70 F 50 F 2350 4 98 2300 4 26 273 24 1 456 35 2 48 2738 x 27318 1219 x 695 x 695 Stainless steel Galvanized Steel Rear Net 255 Ibs 116 kg Shipping 315 Ibs 143 kg Permanent Connection Inle
33. TANT The Cleaning Valve is used to allow solution flow to the inside of the Evaporator during the cleaning and sanitizing operation It should be closed for all icemaking operation The Compressor will not operate unless this valve is completely closed To open the Cleaning Valve the Valve Handle should be parallel to the valve body To close the valve the Valve Handle should be at a right angle to the valve body CLOSED POSITION OPEN POSITION 70 CLEANING PROCEDURE 1 Dilute 27 fl oz of the recommended cleaner Hoshizaki Scale Away LIME A VVAY Economics Laboratory Inc with 5 gal of water 2 Remove all ice from the and the Storage Bin Note To remove cubes on the Evaporator turn off the power supply and turn it on after minutes The defrost cycle starts and the will be removed from the Evaporator 3 Turn off the povver 4 Remove the Front Panel and then remove the Insulation Panel by first removing the thumbscrew lifting the panel slightly and pulling it toward you 5 Drain the Water Tank by removing the Cap located on the front bottom part of the Ice Dropping Hole See Fig 4 6 After tank has drained replace the removed parts in their correct positions 7 Pour the cleaning solution into the Water Tank 8 Fully open the Cleaning Valve on the left side wall of the machine compartment 9 Move the Control Switch on the Control Box to the
34. UCTION PRESSURE 70 21 80 27 90 32 PSIG 100 38 HEAT OF REJECTION FROM CONDENSER 15 560 BTU h AT 90 F 32 C WT 70 F 21 C HEAT OF REJECTION FROM COMPRESSOR 2 650 Btu h 90 F 32 C WT 70 F 21 C WATER FLOW FOR CONDENSER 88 gal h 100 F 38 C WT 90 F 32 C PRESSURE DROP OF COOLING WATER LINE less than 10 PSIG Note Pressure data is recorded first 5 minutes in freezing cycle The data without marks should be used for reference We reserve the right to make changes in specifications and design without prior notice 44 KM 1300SRF WATER C APPROXIMATE TEMP F C 90 32 ICE PRODUCTION PER 24 HR 70 21 1296 588 1248 566 80 27 1260 571 1185 538 90 32 1248 566 1133 514 478 lbs day kg day 100 38 1230 558 1114 505 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 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 HEAT OF REJECTION FROM CONDENSER 18 300 Btu h AT 90 F 32 C WT 70 F 21 C HEAT OF REJECTION FROM COMPRESSOR 2 910 Btu h AT 90 F 32 C WT 70 21 C CONDENSER VOLUME 132 cu in URC 12F Note Pressure data is recorded first 5 minutes i
35. VAL AND REPLACEMENT OF CONDENSING PRESSURE REGULATOR REMOTE AIR COOLED MODEL ONLY IMPORTANT Alvvays install a nevv 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 Turn off the power supply 2 Remove the panels from the remote condenser unit 3 Recover the refrigerant store it in an approved container 4 Before heating break off the stub on the dome to release the dome charge 5 Disconnect the C P R using brazing equipment 6 Install the new C P R Use nitrogen gas at the pressure of 3 4 PSIG when brazing the C P R WARNING Always protect the C P R body by using a damp cloth to prevent the C P R from overheating Do not braze with the C P R body exceeding 250 F 7 Install the new Drier in the icemaker 8 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 9 Evacuate the system and charge it with refrigerant See the Charge Label in the machine compartment in the icemaker 10 Replace the panels in their correct positions 11 Turn on the power supply 63 11 REMOVAL AND REPLACEMENT OF THERMISTOR 1 Fragile handle very carefully 2 Always use a recommended High Thermal Conductive Type Model KE4560RTV manufactured by SHINETSU SILICONE Part Code 60Y000 11 or Part Code 4A0683 01 equivalent 3 Alvvays use a recommended foam i
36. WASH position 10 Replace the Insulation Panel and the Front Panel in their correct positions 11 Turn on the power supply and start the washing process 12 Turn off the power supply after 30 minutes 13 Remove the Front Panel and the Insulation Panel 14 Drain the Water Tank See the above step 5 15 Replace the tubing and the Insulation Panel in their correct positions 16 Move the Control Switch to the ICE position 17 Close the Cleaning Valve Note The icemaker will not operate unless the Cleaning Valve is completely closed 18 Replace the Front Panel in its correct position 71 19 on the povver suppiy to fill the VVater Tank vvith vvater 20 Turn off the power supply after minutes 21 Remove the Front Panel and fully open the Cleaning Valve 22 Move the Control Svvitch to the VVash position 23 Replace the Front Panel in its correct position 24 Tum on the povver supply to rinse off the cleaning solution 25 Turn off the power supply after 5 minutes 26 Remove the Front Panel and Insulation Panel 27 Drain the VVater Tank by removing the Cap located on the front bottom part of the Dropping Hole See Fig 4 28 After the tank has drained replace the removed paris in their correct positions Note Do not replace the Insulation Panel when you proceed to 0 SANITIZING PROCEDURE 29 Repeat the above steps 16 through 28 three more times to rinse thoroughly Note If yo
37. a resistance betvveen Thermistor leads Normal reading is vvithin 3 5 to 7 Replace the Thermistor if it exceeds the normal reading 2 Defrost Timer No adiustment is required under normal use as the Defrost Timer is adiusted to the suitable position Hovvever if necessary vvhen all the ice formed on the Evaporator does not fall into the bin in the harvest adiust the Defrost Timer to a longer setting by adjusting the Dip Switch No 1 amp 2 on the Controller Board SETTING TIME Dip Switch Dip Switch No 1 No 2 OFF OFF 60 seconds ON OFF 90 seconds OFF ON 120 seconds ON ON 180 seconds 27 3 Drain Timer The Drain Timer is factory adiusted and no adiustment is required SETTING TIME Dip Switch Dip Switch No 3 No 4 T1 T2 OFF OFF 10 seconds 150 seconds ON OFF 10 seconds 180 seconds OFF ON 10 seconds 120 seconds ON ON 20 seconds 180 seconds T1 Time to drain the Water Tank T2 Time to restrain defrost completion 4 Drain Counter CAUTION Do not adjust the Drain Counter or the Evaporator may freeze up The Drain Counter is factory adiusted to the VVater Tank every 10 5 and adjustment is required However where water quality is bad and the icemaker needs pump drain more often the Drain Counter can be adjusted as shown in the table below SETTING FREQUENCY Dip Switch Dip Switch No 5 No 6 OFF OFF every cycle ON OFF every 2 cycles OFF ON every 5 cycles ON ON every
38. atures of Control Products Controller Board The E board includes LED lights and audible alarm safeties The red LED indicates proper control voltage will remain on unless a control voltage problem occurs At startup a 5 second delay occurs while the board conducis an internal timer check A short occurs when the power switch is turned ON or OFF The green LED s 1 4 represent the corresponding relays and energize and sequence 5 seconds from initial startup as follovvs Sequence Step LED s on Length Min Max Avg 1 Minute Fill Cycle LED4 60 sec Harvest Cycle LED1 4 amp 2 2 min 20 min 3 5 min Freeze Cycle LED1 5 min 60 min 30 35 min Reverse Pump Out LED1 3 amp 2 10 sec 20 sec Factory set LED 1 Comp LED 2 LED 3 PM LED 4 WV The built in safeties shut down the unit and have alarms as follows 1 every 3 sec High Evaporator Temperature gt 127 F Check for defrost problem stuck HGV or relay hot water entering unit stuck headmaster or shortedthermistor 2 beeps every sec Defrost Back Up Timer Defrost gt 20 minutes Orange LED marked 20 MIN energizes Check for open thermistor HGV not opening TXV leaking by low charge or inefficient compressor 3 beeps every 3 sec Freeze Back Up Timer Freeze gt 60 minutes Yellow LED marked 60 MIN energizes Check for F S stuck closed up WV leaking by HGV leaking by TXV not feeding properly
39. dar nors 1577 WIRE COLOR CODE BR BROWN W P X DBo DARK BLUE Y VIOLET Y YELLON ONLY AIR COOLED MODEL Note Pressure Switch Cutout 4127 PSIG Cut in 327 21 3 PSIG 35 b KM 1300SWF 208 230 60 1 WIRE WITH NEUTRAL FOR 1150 N 12 BIN CONTROL CONTROLLER BOARD THERMISTOR 21 K ETIL VURA o3 9 ern UT WIRE COLOR CODE BR BROWN W P X DBo DARK BLUE Y VIOLET Y YELLON ONLY AIR COOLED MODEL Note Pressure Switch Cut out 38477 PSIG Cut in 284 5 21 3 PSIG 36 KM 1300SRF 208 230 60 1 3 WIRE WITH NEUTRAL FOR 1159 CONTROLLER THERMISTOR 1 BOARD START CAP D si or gt MAGNETIC CONTACTOR 9 0 0 6 4 WIRE COLOR CODE BR BROWN W WHITE BLACK DBu DARK BLUE VIOLET Y YELLOW Note Pressure Switch Cut out 412 PSIG Cut in 327 21 3 PSIG 37 4 KM 1300SAF3 308 10 60 3 L BIN CONTROL R BR m CONTACTIR THERMISTOR s NT 19 0000000000000 WU EM WIRE COLOR CODE BR BROA V BK R 0 RANE Gr quy P BLE V nat Y ELN ONLY AIR COOLED KODEL TRANS OER Note Pressure Switch Cutout 41225 PSIG Cut in 327 21 3 PSIG 38 K
40. e Pump drain is completed Drain timer starts counting DRAIN PUMP HOT GAS VALVE DEFROST 3 Thermistor reads 48 F Defrost Timer starts counting as IMPORTANT 5 VVater Valve opening is limited to 6 2 minutes 8 LINE VALVE amp C 5 After the first 5 minutes in freeze cycle Ready to complete freeze cycle when Float 4 Defrost Timer stops counting Defrost cycle is completed and freeze cycle starts Switch circuit opens IMPORTANT Board never accepts freeze completion signal within the first 5 minutes in freeze cycle IMPORTANT 1 Board never accepts defrost completion signal within the first 2 minutes in defrost cycle 2 Defrost cycle time is limited to 20 minutes even if Defrost Timer does not stop counting 24 2nd Cycle and after with no pump drain KM 1300SAF 3 KM 1300SVVF 3 and KM 1300SRF 3 IMPORTANT Freeze cycle time is limited to 60 minutes even if Float Switch does not open 1 Float Switch opens and signals to complete 2 Thermistor reads 482 freeze cycle Defrost Timer starts counting VVATER VALVE DEFROST CYCLE 2 IMPORTANT VVater Valve opening is limited to 6 minutes PUMP FAN amp VALVE 4 After the first 5 minutes in freeze Defrost Timer stops counting Defrost is completed and freeze starts Ready to complete freeze cycle when
41. e cycle b Water Solenoid Valve Dirty mesh filter or orifice and water level in Water Tank too low Clean time is too short c Water System Water leaks Check connections for vvater leaks and replace Clogged Clean Pump Out Check Valve leaking by Check assembly and clean d Pump Motor Motor winding opened Replace Bearing vvorn out 2 Replace VViring to Pump Motor Check for loose connection or open and replace Defective Defective bound impeller Replace and clean Mechanical Seal vvorn out Check and replace e Controller Board 6 Fan Motor will not start or is not operating a Fan Motor Defective Motor winding opened See 1 2 e CHECKING CONTROLLER BOARD Replace Bearing worn out Replace Wiring to Fan Motor Check for loose connection or open and replace Defective Capacitor Replace Fan blade bound Check and replace b Controller Board 7 All components a Refrigerant run but no ice is produced Defective Undercharged See 1 2 e CHECKING CONTROLLER BOARD Check for leaks and recharge Air or moisture trapped Replace and recharge b Compressor Defective valve Replace
42. erant and store it in an approved container 4 Remove the screvv and the Solenoid 5 Disconnect the Hot Gas Valve Line Valve or Gas Valve using brazing equipment 6 Install the new valve WARNING Always protect the valve body by using a damp cloth to prevent the valve from overheating Do not braze with the valve body exceeding 250 F 7 Install the new Drier 8 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 9 Evacuate the system and charge it with refrigerant For air cooled and water cooled models see the Nameplate for the required refrigerant charge For remote air cooled models see the Charge Label in the machine 10 Cut the leads of the Solenoid allowing enough lead length to reconnect using closed end connectors 59 11 Connect the new Solenoid leads 12 Attach the Solenoid to the valve body and secure it with a screw 13 Replace the panels in their correct positions 14 Turn on the power supply 7 REMOVAL AND REPLACEMENT OF EVAPORATOR IMPORTANT Always install a new Drier every time the sealed refrigeration system is opened Do not replace the Drier until after all other repairs or replacement have been made 1 Turn off the povver 2 Remove the panels and the Insulation over the Evaporator 3 Recover the refrigerant and store it in an approved container 4 Remove the Spray Tubes and the Insulations at the U shaped notch w
43. es IMPORTANT The vacuum level and Vacuum Pump may be the same as those for current refrigerants However the rubber hose and gauge manifold to be used for evacuation and refrigerant charge should be exclusively for POE oils 2 Turn on the Vacuum Pump Never allow the oil in the Vacuum Pump to flow backward 3 Allow the Vacuum Pump to pull down to a 29 9 Hg vacuum Evacuating period depends on pump capacity 4 Close the Low side Valve and High side Valve on the Service Manifold 54 5 Disconnect the Vacuum Pump attach Refrigerant Service Cylinder to the High side line Remember loosen the connection and purge the air from the Hose For water cooled models see the Nameplate for the required refrigerant charge For remote air cooled models see the Charge Label in the machine compartment Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard No 700 88 be used 6 A liquid charge is recommended for charging an R 404A system Invert the service cylinder Open the High side Service Manifold Valve 7 Allow the system to charge with liquid until the pressures balance 8 If necessary add any remaining charge to the system through the Low side Use a throttling valve or liquid dispensing device to add the remaining liquid charge through the Low side access port with the unit running 9 Close the two Refrigerant Access Valves and disconnect the Hoses and Service Man
44. gulator or refrigerant charge b chart 2 1 and check Float Svvitch VVater Solenoid Valve or Controller Board 2 Harvest cycle a See chart 2 2 and check Controller Board Thermistor ambient time is long and or water temperature water supply line Water Solenoid Valve Line Valve or Hot Gas Valve 4 ABNORMAL ICE PROBLEM POSSIBLE CAUSE REMEDY 1 Small Cube a Ice Cube Guide 1 Out of position 1 Place in position Circulated water falls into bin b See chart 1 5 and check water supply line Water Solenoid Valve water system Pump Motor or Controller Board c Pump Out Check Valve 11 Dirty 2 Cloudy See chart 2 1 and 3 and check Float Switch Water Solenoid Valve irregular Controller Board Spray Tubes vvater system refrigerant charge or Expansion Valve b Spray Guide 1 Dirty 1 Clean c VVater Quality 1 High hardness or contains 1 Install a water filter or impurities softener 5 OTHERS PROBLEM POSSIBLE CAUSE REMEDY 1 Icemaker will a Bin Control 1 Set too cold 1 Adjust warmer not stop when Thermostat 2 Defective 2 Replace bin is filled with ice 2 Abnormal a Pump Motor 1 Bearings worn out 1 Replace noise b Fan Motor 1 Bearings worn out 1 Replace 2 Fan blade deformed 2 Replace fan blade 3 Fan blade does not move 3 Replace freely c Compressor 1 Bearings worn out or 1 Replace
45. h No 7 and 8 on the Controller Board to the ON position and energize the unit The current flows to each Relay from X1 to X4 one after another every time the float is raised and the contacts close See the following chart and check OPEN and CLOSE of Pins of the Connector K1 at each step If the checks are completed turn off the icemaker plug the Connector K1 into the Controller Board as before and set the Dip Switch No 7 and 8 to the OFF posi tion CONTROL PRODUCTS BOARD ONLY The Output Test Switch S3 provides a relay sequence test With power OFF place 3 on and switch power to ICE The correct lighting sequence should be none 2 3 4 1 and 4 normal sequence every 5 seconds S3 should remain in the OFF position for normal operation 30 TEST PROGRAM OF ALPINE CONTROLLER BOARD Float Sv ON OFF START Float Sv Float Sv Float Sv Float Sw ON OFF ON OFF ON OFF ON OFF Relay 1 Relay X2 Relay X3 Relay X4 Connector K1 CLOSE Pins 1 and 3 OPEN Connector K1 CLOSE Pins 1 and 4 OPEN Connector K1 CLOSE Pins 6 and 7 OPEN 5014010011 1 Pins 9 and flOopgw 31 a SA EA SEC 10H 91 55914 YIH 9ur
46. he VVater Tank at the frequency determined by the Drain Counter Svvitch Nos 7 and 8 Used only for checking the Controller Board Usually set in OFF position Switch Nos 9 10 Freeze Timer o Control Board Check only Used for adiustment of Freeze Timer The Freeze Timer determines maximum Drain Counter freeze cycle time Upon termination of Freeze Timer machine initiates the Disi Timer harvest eycle After 2 consecutive timer Defrost Timer terminations vvill shut dovvn indicating a problem 26 1 Defrost Control A thermistor Semiconductor is used for defrost control sensor The resistance var 5 depending on the Suction Line temperatures The Thermistor detects the tempera ture of the Evaporator outlet to start the Defrost Timer No adjustment is required necessary check for resistance betvveen Thermistor leads and visually check the Thermistor mounting located on the Suction Line next to the Evaporator outlet Temperature F Resistance 0 14 401 10 10 613 32 6 000 50 3 871 70 2 474 90 1 633 Check a thermistor for resistance by using the following procedures i Disconnect the connector K3 on the board ii Remove the Thermistor See 11 REMOVAL AND REPLACEMENT OF THER MISTOR ili Immerse the Thermistor sensor portion a glass containing ice and water for 2 or 3 minutes iv Check for
47. here the refrigeration tubings go through the molded chassis 5 Remove the Insulation Tube and disconnect the Evaporator Inlet Tubing at the Tee next to the Expansion Valve 6 Lift up the Evaporator and disconnect the Evaporator Outlet Tubing 7 Install the new Evaporator 8 Install the new Drier 9 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 10 Evacuate the system and charge it with refrigerant For water cooled models see the Nameplate for the required refrigerant charge For remote air cooled models see the Charge Label in the machine compartment 11 Replace the removed parts in the reverse order of which they were removed 12 Replace the Top Insulation and the panels in their correct positions 13 Turn on the power supply 60 8 REMOVAL AND REPLACEMENT OF WATER REGULATING VALVE WATER COOLED MODEL ONLY IMPORTANT Alvvays install a nevv 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 Turn off the povver 2 Close the VVater Supply Line Shut off Valve 3 Remove the panels 4 Recover the refrigerant and store it in an approved container 5 Disconnect the Capillary Tube at the Condenser outlet using brazing equipment 6 Disconnect the Flare connections of the valve 7 Remove the screvvs and the valve from the Bracket 8 Install the new valve and braze the Capillary Tube 9
48. icemaker 1 Stainless Steel Exterior To prevent corrosion vvipe the exterior occasionally vvith a clean and soft cloth Use a damp cloth containing a neutral cleaner to vvipe off oil or dirt build up 2 Storage Bin and Scoop VVash your hands before removing ice Use the plastic scoop provided Storage Bin is for ice use only Do not store anything else in the bin Keep the scoop clean Clean it by using a neutral cleaner thoroughly Clean the bin liner by using a neutral cleaner Rinse thoroughly after cleaning 3 Condenser Except vvater cooled model 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 74
49. ifold 10 Cap the Access Valves to prevent a possible leak 2 BRAZING DANGER Refrigerant 404 itself is not flammable at atmospheric pressure and temperatures up to 176 F Refrigerant R 404A itself is not explosive or poisonous However when exposed to high temperatures open flames R 404A can be decom posed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous Always recover the refrigerant and store it in an approved container Do not discharge the refrigerant into the atmosphere Do not use silver alloy or copper alloy containing Arsenic Do not use R 404A as a mixture with pressurized air for leak testing Refrigerant leaks can be detected by charging the unit with a little refrig erant raising the pressure with nitrogen and using an electronic leak detector Note All brazing connections inside the Evaporator Case are clear paint coated Sandpaper the brazing connections before unbrazing the components Use a good abrasive cloth to remove coating 55 3 REMOVAL AND REPLACEMENT OF COMPRESSOR IMPORTANT Alvvays install a nevv Drier every time the sealed refrigeration system is opened Do not replace the Drier until after all other repair or replacement has been made Note When replacing a Compressor with a defective vvinding be sure to install the new Start Capacitor and Start Relay supplied vvith the replacement Compressor Due to the ability of the POE oil in the co
50. ition Disconnect the Thermistor from the Controller Board Connect a 1 5 3 5 resistor to the Connector pins 1 and 2 and energize the unit 29 ii After the 1 minute 5 second water supply cycle and the 2 minute 10 second defrost cycle the unit should start the freeze cycle After the above step i disconnect the Float Switch leads from the Controller Board within the first 5 minutes of the freeze cycle The unit should go into the defrost cycle after the first 5 minutes 20 seconds of the freeze cycle Reconnect the Float Switch Connector to the Controller Board After the first 5 minutes of the freeze cycle disconnect the Float Switch leads from the Controller Board At this point the unit should start the defrost cycle After Step iii de energize the unit and confirm that the Defrost Timer is in the minimum position Disconnect the resistor from the Controller Board and ener gize the unit After the 1 minute water supply cycle the defrost cycle starts Re connect a 1 5 3 5 resistor to the Connector pins 1 and 2 after the first 2 minutes of the defrost cycle The unit should start the freeze cycle after 1 minute 5 seconds from the resistor connection ALPINE BOARD ONLY 3 Check the Controller Board by using test program of the Alpine Controller Board i ii ii next page Disconnect the Connector K1 from the Controller Board Set the Dip Switc
51. mpressor to absorb moisture quickly the Compressor must not be opened more than 15 minutes for replacement or service Do not mix lubricants of different compressors even if both are charged with R 404A except when they use the same lubricant 1 Turn off the povver 2 Remove the panels 3 Recover the refrigerant and store it in an approved container 4 Remove the Terminal Cover on the Compressor and disconnect the Compressor VViring 5 Remove 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 Install the new Compressor 8 Attach the Rubber Grommets of the prior Compressor 9 Sandpaper the Suction Discharge and Process Pipes 10 Place the Compressor in position and secure it using the Bolts and Washers 11 Remove plugs from the Suction Discharge and Process Pipes 12 Braze the Process Suction and Discharge lines Do not change this order while purging with nitrogen gas flowing at the pressure 3 4 PSIG 13 Install the new Filter Drier 14 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 56 15 Evacuate the system and charge it with refrigerant See the Nameplate for the required refrigerant charge 16 Connect the Terminals and replace the Terminal Cover in its correct position 17 Replace the panels in their correct positions 18 Turn on the p
52. n freezing cycle The data without marks should be used for reference We reserve the right to make changes in specifications and design without prior notice 45 4 KM 1300SAF3 WATER C APPROXIMATE TEMP F C 90 32 ICE PRODUCTION PER 24 HR 70 21 1320 599 1257 570 1153 523 80 27 1272 577 1174 533 1060 481 90 32 1257 570 1105 501 993 450 lbs day kg day 100 38 1230 558 1079 489 890 404 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 388 1447 CONSUMPTION 24 80 27 333 1 26 90 32 260 0 99 gal day m day 100 38 231 0 87 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION 18 130 Btu h 90 F 32 C WT 70 F 21 Note Pressure data is recorded first 5 minutes in freezing cycle The data without marks should be used for reference We reserve the right to make changes in specifications and design without prior notice 46 KM 1300SWF3 APPROXIMATE ICE PRODUCTION PER 24 HR bs day kg day ELECTRIC CONSUMPTION watts APPROXIMATE WATER CONSUMPTION PER 24 HR gal day m day FREEZING CYCLE TIME min HARVEST CYCLE TIME min
53. n the icemaker to prevent damage to the water supply line at sub freezing temperatures using air or carbon dioxide Shut off the icemaker until the proper ambient temperature is resumed When the icemaker is not used for two or three days it is sufficient to only move the Control Switch to the OFF position unless the icemaker will be at sub freezing temperatures 1 On water cooled model only first remove the water from the water cooled condenser 1 Remove the Front Panel 2 Move the Control Switch on the Control Box to the OFF position 3 Wait 3 minutes 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 6 Close the Water cooled Condenser Water Supply Line Shut off Valve 7 Open the Drain Valve for the water cooled condenser water supply line 8 Allow the line to drain by gravity 9 Attach compressed air or carbon dioxide supply to the Condenser Water Line Drain Valve 10 Quickly blow the water cooled condenser out using compressed air or carbon dioxide until water stops coming out 68 2 Remove the water from the potable water supply line 1 Remove the Front Panel Except vvater cooled model 2 Move the Control Svvitch on the Control Box to the OFF position 3 VVait 3 minutes 4 Close the Potable VVater Supply Line Shut off Valve and open the Potable VVater Supply Line Drain Valve
54. nd of the initial one minute vvater fill and at the end of each defrost If the Float Switch is in the up position electrical circuit closed the Controller Board changes to the ice making cycle If the Float Switch is in the down position electrical circuit open the Controller Board changes to a one minute vvater fill before starting the ice making This method allovvs for a Lovv VVater Safety shut dovvn to protect the VVater Pump from mechanical seal failure For vvater cooled model if the vvater is shut off the unit is protected by the High Pressure Svvitch 5 High Voltage Cut out The maximum allovvable supply voltage of this icemaker is limited by the High Voltage Cut out If misvviring causes excessive voltage on the Controller Board the High Voltage Cut out shuts down the circuit in 3 seconds and the icemaker automatically stops When the proper supply voltage is resumed the icemaker automatically starts running again 18 Connector K1 Pins 1 through 10 41 9 Magnetic Contactor 2 Hot Gas Valve 3 Line Valve 4 Pump Motor icemaking 5 Pump Motor 6 VVater Valve 7 10 Power line Bin Control 8 Svvitch Defrost Timer Drain Timer amp Drain Counter Connector K5 Float Svvitch 1 o gt gt Connector K4 Open not connected Connector Defrost Control Thermistor Alpine C Alpine Board Fe
55. nsulation Non absorbent Type or equivalent 1 Turn off the power supply Thermistor Lead Cable Tie 2 Remove the panels 3 Remove the Control Box Cover AZ J b 2 4122 2 4 Disconnect the Thermistor leads from the K3 Connector on the Controller Board 5 Remove the Plastic Cable Ties Foam nsulation Thermistor Holder and Thermistor See Fig 2 Foam Insulation Thermistor Holder 6 Scrape away the old sealant on the Fig 2 Thermistor Holder and the Suction Pipe 7 Wipe off moisture or condensation on the Suction Pipe 8 Smoothly apply recommended sealant KE4560RTV Part Code 60Y000 11 or 4A0683 01 to the Thermistor Holder concave 9 Attach the new Thermistor to the Suction Pipe very carefully to prevent damage to the leads And secure it using the Thermistor Holder and recommended foam insulation 64 10 Secure the insulation using the Plastic Cable Ties 11 Connect the Thermistor leads through the bushing of the Control Box to the K3 Connector on the Controller Board Note Do not cut the leads of the Thermistor vvhile installing it 12 Replace the Control Box Cover and the panels in their correct positions 13 Turn on the povver 12 REMOVAL AND REPLACEMENT OF FAN MOTOR Note VVhen replacing a Fan Motor vvith defective vvinding it is recommended that a nevv capacitor be installed 1 Turn off the power supply 2 Remove the panels 3 Remove the Junction Box Cove
56. ol Thermostat Tripped with bin filled with ice Remove ice Ambient temperature too cool Increase ambient temperature Set too warm See II 2 d CONTROLS AND ADJUSTMENTS 5 Bin Control Bulb out of position Place in position Bad contacts or leaks in bulb Check for continuity and replace e High Pressure Control Bad contacts Check for continuity and replace f Transformer Thermal fuse blown out or coil winding opened Replace 9 Wiring to Controller Board Loose connections or open Check for continuity and replace h Thermistor Leads short circuit or open and High Temperature Safety operates See 2 CONTROLS AND ADJUSTMENTS 1 Defrost Control i Hot Gas Solenoid Valve Continues to open in freeze cycle and High Temperature Safety operates Check for power off in freeze cycle and replace j Water Supply Line Water supply off and water supply cycle does not finish Check and get recommended pressure Condenser water pressure too low or off and Pressure Control opens and closes fre quently to finally operate High Temperature Safety Check and get recommended pressure k Water Solenoid Mesh filter or orifice gets clogged and water supply cycle does not finish Clean Coil winding opened Replace
57. oled 5 2 KM 13005VVF 42 6 3 KM 1300SRF Remote 16 7 4 KM 1300SAF3 Air cooled 3 2 4 8 5 13005 VVater cooled 3 phase 9 6 KM 1300SRF3 Remote air cooled 3 Phase 10 7 CONDENSING UNIT URC 12F _ pan erae endete ete cna 11 Il GENERAL INFORMAT ION 13 CONSTRUCTION 13 tal KME SOUSAR niam ie eaa 13 B KMAS00SWF 14 GS MS ESO 15 2 CONTROEEER BOR RD 16 SOLID STATE CONTROL 16 B GONTROLLER BOARD 16 c 00 uuu uu 23 d CONTROLS AND ADJUSTMENTS 26 e CHECKING THE CONTROLLER BOARD 29 TECHNICAL INFORMATION 32 1 WATER CIRCUIT AND REFRIGERANT 5522 32 a 1 5 Balina i ei 32 B J KM Ti 00SWE 9 i octo 33 SSE oh vtech
58. oller Board includes a stable and high quality control system 3 All models are pretested and factory adiusted 6 CONTROLLER BOARD CAUTION Fragile handle very carefully controller board contains integrated circuits which are susceptible to failure due to static discharge t is especially important to touch the metal part of the unit when handling or replacing the board Do not touch the electronic devices on the board or the back of the board to prevent damage to the board Do not change wiring and connections Especially never misconnect K3 K4 and K5 because the same connector is used for the Thermistor and Float Switch is not connected Do not fix the electronic devices or parts on the board in the field Always replace the whole board assembly when it goes bad Do not short out povver to test for voltage 16 KM 1300S_F 3 models use either the Alpine Controller Board orange PART NUMBER TYPE 2U0127 01 MY9KM910 Alpine MY9KM91B Alpine OR the Control Products Board green PART NUMBER TYPE 2A0836 01 HOSHIZAKI 001 Control Products 8 Pin OR the Control Products Improved E Board green PART NUMBER TYPE 2A1410 01 HOS 001A Control Products 10 Pin Features of All Three Controller Boards 1 Maximum Water Supply Period 6 minutes Water Solenoid Valve opening in the Defrost Harvest Cycle is limited by maximum period of the defrost timer The Wate
59. ower supply 4 REMOVAL AND REPLACEMENT OF DRIER 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 Turn off the power supply 2 Remove the panels 3 Recover the refrigerant and store it in an approved container 4 Remove the Drier 5 Install the new Drier with the arrow on the Drier in the direction of the refrigerant flow Use nitrogen gas at the pressure of 3 4 PSIG when brazing the tubings 6 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 7 Evacuate the system and charge it with refrigerant For water cooled models see the Nameplate for the required refrigerant charge For remote air cooled models see the Charge Label in the machine compartment 8 Replace the panels in their correct positions 9 Turn on the power supply 57 5 REMOVAL AND REPLACEMENT OF EXPANSION VALVE IMPORTANT Sometimes moisture in the refrigerant circuit exceeds the Drier capacity and freezes up at the Expansion Valve Alvvays install a nevv 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 Turn off the power supply 2 Remove the panels 3 Recover the refrigerant store it in an approved container 4 Remove the insulation and the Expansion Valve Bulb on the suction line 5
60. r Valve cannot remain open longer than the maximum period The Water Valve can close in less than the maximum period if the defrost cycle is completed 2 Defrost Timer The defrost cycle starts when the Float Switch opens and completes the freeze cycle But the Defrost Timer does not start counting until the Ther mistor senses 48 F at the Evaporator outlet The period from the end of the freeze cycle up to the point of the Thermistor s sensing varies depending on the ambient and water temperatures 3 High Temperature Safety 127 7 F The temperature of the suction line in the refrigerant circuit is limited by the High Temperature Safety During the defrost cycle the Evaporator temperature rises The Thermistor senses 48 F and starts the Defrost Timer After the Defrost Timer counts down to zero the normal freeze cycle begins If the Evaporator temperature continues to rise the Thermistor will sense the rise in temperature and at 127 7 F the Thermistor operates the High Temperature Safety 17 This High Temperature Safety shuts dovvn the and the icemaker automati cally stops To reset the safety turn the povver off and back on again This High Temperature Safety protects the unit from excessive temperature 4 Lovv VVater Safety If the Pump Motor is operated without water the mechanical seal can pre vent this type of failure the Controller Board checks the position of the Float Svvitch at the e
61. r from the remote condenser unit Remote Air cooled model 4 Remove the closed end connectors from the Fan Motor leads 5 Remove the Fan Motor Bracket and Fan Motor 6 Install the new Fan Motor replace the removed paris in the reverse order of which they were removed 7 Replace the panels in their correct positions 8 Replace the Junction Box Cover in its correct position Remote Air cooled model 9 Turn on the power supply 65 13 REMOVAL AND REPLACEMENT OF VVATER VALVE 1 Turn off the povver 2 Close the VVater Supply Line Shut off Valve 3 Remove the Front Panel 4 Remove the Valve Outlet Tubing by releasing the Clamp 5 Remove the Bracket from the unit 6 Remove the Fitting Nut and VVater Valve 7 Disconnect the Terminals from the VVater Valve 8 Install the new Water Valve and replace the removed parts in the reverse order of which they were removed 9 Open the Water Supply Line Shut off Valve 10 Turn on the power supply 11 Check for leaks 12 Replace the Front Panel in its correct position 14 REMOVAL AND REPLACEMENT OF PUMP MOTOR Cube Guide Separator 1 Turn off the power supply 2 Remove the Front Panel 3 Drain the Water Tank by removing the Insulation Panel and the cap at the front of the ice dropping hole See Fig 3 4 Replace the removed parts in their correct positions Front Inside of 5 Disconnect the Pump Suction and Discharge Hoses
62. t Outlet 314 FPT ID Pipe Float Svvitch Hot Gas Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS14K6E PFV Air cooled remote Condenser Unit URC 12F recommended Vertical type Stainless Steel and Copper Thermostatic Expansion Valve Condensing Pressure Regulator on URC 12F R404A 1116 7 oz 5200 g Ice maker 7 lbs Cond unit 4 Ibs 7 02 HIGH 467 PSIG LOW 230 PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Storage Bin Remote Condenser Unit VOLTAGE RANGE 187 264 45 1009 VVATER SUPPLY 45 90 F VVATER SUPPLY PRESS 10 113 PSIG 4 KM 1300SAF3 Air cooled AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT MAXIMUM FUSE SIZE APPROX ICE PRODUCTION PER 24 HR bs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W KVVH 100 lbs WATER gal 24 HR gal 100 lbs EXTERIOR DIMENSIONS WxDxH 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 DESIGN PRESSURE P C BOARD CIRCUIT
63. t prior notice 8 5 KM 1300SWF3 VVater cooled AC SUPPLY VOLTAGE 208 230 60 3 AMPERAGE 6 9 A 5 MIN Freeze 104 F WT 80 F MINIMUM CIRCUIT 20A MAXIMUM FUSE SIZE 20A APPROX ICE PRODUCTION Ambient PER 24 HR Temp 50 70 90 Ibs day kg day 70 1301 590 1273 577 1205 Reference without marks 80 1279 580 1235 560 1152 90 1273 577 1204 546 1126 100 1250 567 1186 538 1055 SHAPE OF ICE Crescent Cube ICE PRODUCTION PER CYCLE 30 1 Ibs 13 7 kg 1440 pcs APPROXIMATE STORAGE CAPACITY N A ELECTRIC amp WATER CONSUMPTION 90 F 70 F 70 F 50 F ELECTRIC W KVVH 100 lbs 2125 4 0 2075 3 8 WATER gal 24 HR gal 100 165 342 27 7 648 49 8 VVATER COOLED CONDENSER 1372 112 885 68 gal 24 hr gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH 48 x 27318 x 2738 1219 x 695 x 695 Stainless steel Galvanized Steel Rear WEIGHT CONNECTIONS ELECTRIC Net 265 Ibs 120 kg Shipping 315 Ibs 143 Permanent Connection WATER SUPPLY Inlet H Condenser Inlet 12 FPT DRAIN Outlet Condenser Outlet 38 ID Pipe CUBE CONTROL SYSTEM Float Svvitch HARVESTING CONTROL SYSTEM ICE VVATER CONTROL COOLING VVATER CONTROL BIN CONTROL SYSTEM Hot Gas and Water Thermistor and Timer Controlled Overflovv Pipe VVater Regulator Thermostat COMPRESSOR
64. u do not sanitize the icemaker go to step 9 in b SANITIZING PROCEDURE 72 b SANITIZING PROCEDURE Following Cleaning Procedure 1 Dilute a 5 25 Sodium Hypochlorite solution chlorine bleach with water Add 2 5 fl oz of sanitizer to 5 gal of water 2 Remove the Insulation Panel if it is in its normal position 3 Pour the sanitizing solution into the Water Tank 4 Replace the Insulation Panel and the Front Panel in their correct positions Note Make sure that the Control Switch is in the WASH position and the Cleaning Valve is in the Open position 5 Turn on the power supply and start the sanitizing process 6 Turn off the power supply after 15 minutes 7 Remove the Front Panel and if necessary the Insulation Panel 8 Drain the VVater Tank See the above step 5 in fal CLEANING PROCEDURE 9 Replace the removed parts and the Insulation Panel in their correct positions 10 Repeat the above steps 16 through 28 in CLEANING PROCEDURE two times to rinse thoroughly 11 Close the Cleaning Valve 12 Move the Control Svvitch to the ICE position 13 Replace the Front Panel in its correct position 14 Clean the Storage Bin vvith vvater 15 Tum on the povver and start the automatic icemaking process 73 3 IMPORTANT This icemaker must be maintained individually referring to the instruction manual and labels provided vvith the

Service Manual - Whaley Food Service

Contents

Download Pdf Manuals

Related Search

Related Contents