Hoshizaki KM-1300SRH User's Manual
Contents
1. 6 Water Valve 7 10 Power line Bin Control 8 Open Relay LED s 4 Switch for C Board Indicate which and ALPINE Board Relays are energized Service Boards only Transformer Connector Control Products HOS 001A Board 19 c Sequence 1st Cycle 1 Unit energized and Control Switch to ICE 3 Thermistor reads 48 F position Water supply cycle starts Defrost Timer starts counting 2 After 1 minute Defrost cycle starts WATER VALVE WATER VALVE PUMP FAN amp LINE VALVE Water Valve opening is limited to 6 minutes 5 After the first 5 minutes in freeze cycle 4 Defrost Timer stops counting Ready to complete freeze cycle when Float Defrost cycle is completed and freeze cycle Switch circuit opens starts IMPORTANT IMPORTANT Board never accepts defrost completion signal within the first 2 minutes in defrost cycle Board never accepts freeze completion signal within the first 5 minutes in freeze cycle Defrost cycle time is limited to 20 minutes even if Defrost Timer does not stop counting 20 2nd Cycle and after with pump drain IMPORTANT Freeze cycle time is limited by the freeze timer factory setting even if the Float Switch does not open 1 Float Switch opens and signals to complete 2 Drain timer stops counting freeze cycle Pump drain is completed Drain timer starts counting DRAIN PUMP HOT GAS VALVE DEFROST 3 T2. CONTROL SWITCH TRANSFORMER BOX KM 1300SRH3 ONLY 15 2 Controller Board a Solid State Control 1 A HOSHIZAKI exclusive solid state control is employed in KM 1300SAH KM 1300SWH KM 1300SRH 13005 KM 1300SWH3 and KM 1300SRH3 Stackable Crescent Cubers 2 A printed circuit board hereafter called controller board includes a stable and high quality control system 3 All models are pretested and factory adjusted b Controller Board CAUTION Fragile handle very carefully A controller board contains integrated circuits which are susceptible to failure due to static discharge It 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 Do not misconnect K3 K4 and K5 because the same connector is used for the thermistor and float switch K4 is not connected Always replace the whole board assembly when it goes bad Do not short out power supply to test for voltage PART NUMBER TYPE 2A1410 01 HOS 001A Control Products 10 Pin Features of Control Products Controller Board 1 Maximum Water Supply Period 6 minutes Water solenoid valve opening in the defrost harvest cycle is limited by the defrost timer The water valve cannot remain open longer than the maximum period The water valve
3. HOSHIZAKI STACKABLE CRESCENT CUBER MODELS KM 1300SAH KM 1300SWH KM 1300SRH KM 1300SAHS3 KM 1300SWH3 KM 1300SRH3 SERVICE MANUAL Only qualified service technicians should attempt to service or maintain this icemaker No 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 expedite assistance all correspondence communication MUST include the following information Model Number Serial Number Complete and 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 available to the technician prior to service or maintenance CONTENTS I SpecilicalibISr eo Coda c 5 KO
4. d Starter 1 Check and replace 2 Coil winding opened 2 Replace Start Capacitor or Run Defective Replace E REEL f Magnetic Contactor Bad contacts Check for continuity and 2 Coil winding opened 2 Replace 9 Compressor 1 Wiring to compressor 1 Check for loose connection or open and replace 3 Protector tripped 3 Reduce temperature h Controller Board 1 Defective 1 See 1 2 Checking the i Water Regulator Water41 Set too high 1 Adjust lower P NN NNNM 4 Water continues to Water Solenoid Valve Diaphragm does not close 1 Check for water leaks with cycle Controller Board Defective See 11 2 Checking the 5 No water comes from Water Supply Line 1 Water pressure too low Check and get spray tubes Water and water level in water recommended pressure pump will not start or tank too low freeze cycle time is Water Solenoid Valve 1 Dirty mesh filter or orifice 1 Clean too short and water level in water c Water System 1 Water leaks Check connections for eae 3 Pump out check valve 3 Check assembly and leaking by clean 45 5 Continued from d Pump Motor 1 Motor winding opened 1 Replace 3 Wiring to pump motor 3 Check for loose connection or open and replace 4 Defective capacitor 4 Replace 5 Defective or bound 5 Replace and clean impeller 6 Mechanical seal worn out 6 Check and replace Controller Board De
5. Drain the water tank by removing the cap located on the front bottom part of the ice dropping hole See Fig 4 28 After the tank has drained replace the removed parts in their correct positions Note Do not replace the insulation panel when you proceed to b Sanitizing Procedure 29 Repeat the above steps 16 through 28 three more times to rinse thoroughly Note If you do not sanitize the icemaker go to step 9 in b Sanitizing Procedure 67 b Sanitizing Procedure Following Cleaning Procedure 1 Dilute 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 open 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 water tank See the step 5 in 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 switch to the ICE
6. OPERATING CONDITIONS 208 230 60 3 6 9 5 Min Freeze AT 104 F WT 80 F 20A 20A Ambient 71254 569 1264 575 1264 573 1191 540 CF 70 1254 569 80 1157 525 90 1186 538 100 1093 496 Crescent Cube 30 1 Ibs 13 7 kg 1440 pcs N A 90 70 F 70 50 F 2091 3 9 2090 4 0 292 22 7 576 45 9 927 72 640 51 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 265 Ibs 120 kg Shipping 315 Ibs 143 kg Permanent Connection Inlet 1 2 Cond Inlet 1 2 FPT Outlet 3 4 FPT Cond Outlet 3 8 FPT 3 8 OD Pipe Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe Water Regulator Thermostat Hermetic Model CS14K6E TF5 237 Water cooled Tube in tube type Vertical type Stainless Steel and Copper Thermostatic Expansion Valve R 404A 2 2 oz 9500 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 V AMBIENT TEMP 45 100 F WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG We reserve the right to make changes in specifications and design without prior notice KM 1300SRH3 AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference
7. qnan s GaN ea 5 KMETSOOSAEIS den area 5 5417 TSUOSVVEDS 5 tees lecce esce Modes see c sands 6 POD lS OOS FAI oe Soca a ond bt E 7 ETE 8 IMP 20050013 9 IM S 5 08 SEIS 10 COMOS SIM 6 25 tbe 11 815855 11 13 EOM 13 a 18005 18005 13 b KM 1300SWH 13005 14 c KM 1300S RH KM 1300SRH3 2 15 2 ontroller EXON 252 oho 16 la s 16 b Controller Board cea wee taxing Sins Say Sha 16 20 d Controls etes ae te ies 23 e Checking the Controller 26 evt ordner dv 28 1 Water Circu
8. A 5 Min Freeze AT 104 F WT 80 F 20A 20A Ambient Temp F 50 70 90 70 1296 588 1257 570 1173 532 80 1266 574 1206 547 1105 501 90 1257 570 1163 528 1068 484 100 1230 558 1141 517 980 445 Crescent Cube 30 1 Ibs 13 7 kg 1440 pcs N A 90 70 F 70 50 F 2326 4 8 2300 0 0 355 30 5 772 59 6 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 255 Ibs 116 kg Shipping 315 Ibs 143 Permanent Connection Inlet 1 2 FPT Outlet 3 4 FPT 3 8 OD Pipe Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic CS14K6E PFV 279 Air cooled remote Condenser Unit URC 12F recommended Vertical type Stainless Steel and Copper Thermostatic Expansion Valve Condensing Pressure Regulator on URC 12F R 404A 11 Ibs 7 52009 Icemaker 7 Ibs Cond Unit 4 Ibs 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 187 253 V 45 100 WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG We reserve the right to make changes in specifications and design without prior notice 13005 AC SUPPLY VOLTAGE AMPER
9. Switch 1 OFF position Move to ICE position d Bin Control Thermostat Tripped with bin filled with 2 Ambient temperature 2 Increase ambient cool temperature 3 3 See II 2 d Controls and Adjustments 6 Bin Control 4 Bulb out of position 5 Bad contacts or leaks 5 Check for continuity and e High Pressure Control 1 Bad contacts 1 Check for continuity and AM f Transformer 1 Thermal fuse blown or coil 1 Replace 9 Wiring to Controller 1 Loose connections or 1 Check for continuity and h Thermistor 1 Leads short circuit or open 1 See II 2 d Controls and and high temperature Adjustments 1 Defrost p safety operates Control i Hot Gas Solenoid 1 Continues to open in 1 Check for power off in Valve freeze cycle and high freeze cycle and replace temperature safety operates Voltage too high 2 Bad contacts 2 Check for continuity and replace ice Set too warm 43 1 Continued from Water Supply Line 1 Water supply off and water 1 Check and get previous page supply cycle does not recommended pressure finish 2 Condenser water pressure 2 Check and get too low or off and pressure recommended pressure control opens and closes frequently to finally operate high temperature safety k Water Solenoid 1 Mesh filter or orifice gets clogged and water supply cycle does not finish 2 Coil winding opened 2 Replace 3 Wiring to water
10. can close in less than six minutes 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 thermistor senses 48 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 16 3 High Temperature Safety 127 7 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 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 This high temperature safety shuts down the circuit and the icemaker automatically stops To reset the safety turn the power off and back on again This high temperature safety protects the unit from excessive temperature The control board will beep every three seconds The white reset button on the control board must be pressed with power on to reset the safety 4 Low Water Safety If the pump motor is operated without water the mechanical seal can fail To prevent this type of failure the controller board checks th
11. 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 63 2 Remove the water from the potable water supply line 1 Remove the front panel Except water cooled model 2 Move the control switch on the control box to the OFF position 3 Wait 3 minutes 4 Close the potable water supply line shut off valve and open the potable water supply line drain valve 5 Allow the line to drain by gravity 6 Attach compressed air or carbon dioxide supply to the potable water line drain valve 7 Move the control switch to the ICE position 8 Blow the potable water line out using compressed air or carbon dioxide 3 Drain the potable water tank 1 Turn off the power supply Cube Guide Separator 2 Move the control switch to the OFF position 3 Drain the water tank by removing the insulation panel and the cap located on the front bottom part of the ice dropping hole See Fig 4 Front Inside of 4 Replace the removed parts in their ics Dropping Hold correct positions 5 Remove all ice from the storage bin and clean the storage bin 6 Replace the front panel in its correct position Fig 4 7 Close the drain valve 64 2 Cleaning and Sanitizing Procedures IMPORTANT Ensure all components fasteners and thumbscrews are securely in place after any maintenanc
12. 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 58 11 Removal and Replacement of Thermistor CAUTION 1 Fragile handle very carefully 2 Always use a recommended sealant high thermal conductive type Model KE4560RTV manufactured by Shinetsu Silicone Part Code 60Y000 11 or Part Code 4A0683 01 equivalent 3 Always use a recommended foam insulation 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 4 Disconnect the thermistor leads from the K3 connector on the controller board 5 Remove the plastic cable ties foam insulation thermistor holder and thermistor See Fig 2 Foam Insulation Thermistor Holder Fig 2 6 Scrape away the old sealant on the 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 10 Secure the insulation using the plastic cab
13. position 13 Replace the front panel in its correct position 14 Clean the storage bin with water 15 Turn on the power supply and start the automatic icemaking process 68 3 This icemaker must maintained individually referring to the instruction manual and labels provided with the icemaker 1 Stainless Steel Exterior To prevent corrosion wipe the exterior occasionally with a clean and soft cloth Use a damp cloth containing a neutral cleaner to wipe off oil or dirt build up 2 Storage Bin and Scoop Wash your hands before removing ice Use the plastic scoop provided The 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 and rinse thoroughly Clean the bin liner by using a neutral cleaner Rinse thoroughly after cleaning 3 Condenser Except water 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 4 Air Filters Plastic mesh air filters remove dirt or dust from the air and keep the condenser from getting clogged As the filters get clogged the icemaker s performance will be reduced Check the filters at least twice a month When clogged use warm water and a neutral cleaner to wash the filters 69
14. 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 d Controls and Adjustments The dip switch is factory adjusted to the following positions DIP SWTCH NO 11 1 2 1 3 1 4 1 5 16 1 2 1 8 1 3 110 2A1410 01 13005 KM 13008WH ON ON ON ON OFF OFF KM 1300SWH3 KM 1300SAH3 Switch Nos 1 and 2 Used for adjustment of the defrost timer The defrost timer starts counting when the thermistor reads a certain temperature at the evaporator outlet Switch Nos 3 and 4 Used for adjustment of the drain timer When a freeze cycle is completed the pump motor stops and the icemaker resumes operation in 2 seconds Then the pump motor drains the water tank for the time determined by the drain timer The drain timer also determines the time to restrain completion of a defrost cycle i e the minimum defrost time Switch Nos 5 and 6 Used for adjustment of the drain counter The pump motor drains the water tank at the frequency determined by the drain counter Switch Nos 7 and 8 Used only for checking the controller board Usually set in OFF position Switch Nos 9 and 10 Freeze Timer CO Control Board Check only Used for adjustment of freeze timer The freeze timer determines m
15. without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 lbs WATER gal 24HR gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDENSATE 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 OPERATING CONDITIONS 208 230 60 3 10 8A 5 Min Freeze 104 F WT 80 F 20A 20A Ambient necp m 15 71308 593 1206 588 1203 546 F 70 1308 593 1296 588 80 90 100 30 1 Ibs 13 7 kg 1440 pcs Crescent Cube N A 90 70 F 70 50 F 2321 4 4 2270 4 2 251 19 8 706 54 0 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 255 Ibs 116 kg Shipping 315 Ibs 143 kg Permanent Connection Inlet 1 2 Outlet 3 4 FPT 3 8 OD Pipe Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS14K6E TF5 279 Air cooled remote Condenser Unit URC 12F recommended Vertical type Stainless Steel and
16. 0 32 100 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 kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 18 130 BTU h AT 90 F 32 C WT 70 F 21 C Note Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only We reserve the right to make changes in specifications and design without prior notice 40 e KM 1300SWH3 APPROXIMATE ICE AMBIENT TEMP WATER TEMP F C PRODUCTION PER 24 HR F C 50 10 70 21 90 32 70 21 80 27 90 32 Ibs day kg day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 80 27 90 32 gal 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 kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 15 450 BTU h AT 90 F 32 C WT 70 F 21 TOTAL HEAT OF REJECTION FROM COMPRESSOR 2560 BTU h AT 90 F 32 C WT 70 F 219C WATER FLOW FOR CONDENSER 88 gal h 100 38 C WT 90 F 32 C PRESSURE DROP OF COOLING WATER LINE less than 10 PSIG Note Pressure data is recorded at 5 minutes i
17. 557 8 mm R404A 4 Ibs 7 oz 2000 9 Net 80 Ibs 36 kg Shipping 87 Ibs 39 kg One Shot Couplings Aeroquip Permanent Connection Air cooled Condensing Pressure Regulator Min 20 F Max 122 F 29 C to 50 C Outdoor use General Information 1 Construction a KM 1300SAH KM 1300SAH3 WATER PUMP FLOAT SWITCH SPRAY TUBES WATER SUPPLY INLET WATER VALVE HOT GAS VALVE JUNCTION BOX CHECK VALVES CONDENSER FAN MOTOR EXPANSION VALVE COMPRESSOR 7 7 BIN CONTROL THERMOSTAT LUNE VALVE CONTROL SWITCH TRANSFORMER BOX KM 1300SAH3 ONLY CONTROL BOX b KM 1300SWH KM 1300SWH3 SPRAY TUBES WATER SUPPLY INLET WATER VALVE HOT GAS VALVE NOS JUNCTION BOX gt CONTROL BOX CHECK VALVES WATER uu WATER COOLED CONDENSER CSS WATER 4 REGULATOR FLOAT SWITCH 4 EXPANSION VALVE DRIER COMPRESSOR BIN CONTROL 2 THERMOSTAT LINE VALVE CONTROL SWITCH TRANSFORMER BOX KM 1300SWH3 ONLY 14 KM 1300SRH KM 1300SRH3 FLOAT SWITCH al EXPANSION VALVE COMPRESSOR BIN CONTROL THERMOSTAT WATER SUPPLY INLET WATER VALVE HOT GAS VALVE JUNCTION BOXES CHECK VALVES TTE AIS a AO SN if Sa RECEIVER TANK SJ CONTROL BOX DRIER LINE VALVE
18. 61 15 Removal and Replacement of Spray 62 VI Maintenance and Cleaning Instructions 1 63 1 Preparing the Icemaker for Long Storage 63 2 Cleaning and Sanitizing Procedures REOR GP Ere bb oret 65 Cleaning Procedure use eee ard cen Dono 66 b Sanitizing Procedure Following Cleaning Procedure 68 c 69 Specifications 1 Icemaker 13005 AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 lbs WATER gal 24HR gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDENSATE 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 OPERATING CONDITI
19. 81 2 509 28 b KM 1300SWH KM 1300SWH3 2912 39905 SY y SED 10H uoneinsu 2900 j DE ELA CN c Do SLY A amp XiS 1919 e1nsseJd YIH 10 Aiddng 29 KM 1300SRH KM 1300SRH3 1919 OUD SSA L can Sec 10H e1nsseJd a1qisny BATRA md T 4 9A BA 558294 JoyesodeaQ B run m 7 J9AI909H Jeug edid Buisuapuo5 30 2 Wiring Diagrams a KM 1300SAH KM 1300SWH 208 230 60 1 3 WIRE WITH NEUTRAL FOR 115V CONTROLLER BIN CONTROL wee THERMSTOR BOARD V 1 BK mng Ia oj o1 o K FLOAT SW WIRE COLOR CODE BR BROWN WHITE BK BLACK RED 0 ORANGE GY ORAY DBu DARK BLUE Y ONLY AIR COOLED MODEL Note Pressure Switch KM 1300SAH KM 1300SWH Cutout 412272 PSIG Cut out 384 2 PSIG
20. AGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 lbs WATER 24 gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDENSATE 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 OPERATING CONDITIONS 208 230 60 3 7 8 5 Min Freeze 104 F WT 80 F 20A 20A Ambient Temp F 70 7 90 70 1320 599 1265 574 1153 523 80 1278 580 1192 541 1060 481 90 1265 574 1132 513 1006 456 100 1230 558 1102 500 890 404 Crescent Cube 30 1 Ibs 13 7 kg 1440 pcs N A 90 70 F 70 50 F 2311 4 9 2150 0 0 267 23 6 632 47 9 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 275 Ibs 125 kg Shipping 315 Ibs 143 kg Permanent Connection Inlet 1 2 FPT Outlet 3 4 FPT 3 8 OD Pipe Float Switch Hot Gas and Water Thermistor a
21. Copper Thermostatic Expansion Valve Condensing Pressure Regulator on URC 12F R 404A 11 165 7 oz 52009 Icemaker 7 Ibs Cond Unit 4 165 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 187 253 V AMBIENT TEMP 45 100 F WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG We reserve the right to make changes in specifications and design without prior notice 10 2 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 A CPC CI ce cia eS ew 35 11 16 907 2 Ci SS SS SS Ea 21 15 16 557 8mm 2 11 16 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
22. Cut in 327 21 3 PSIG Cut in 285 21 3 PSIG 31 b KM 1300SRH 208 230 60 1 3 WIRE WITH NEUTRAL FOR 115V CONTROLLER THERMSToR PONO 2 3 FLOAT SW 0 C 5 WIRE COLOR CODE WHITE BK BLACK K2 Note Pressure Switch Cut out 412 PSIG 21 3 Cutin 327 21 3 PSIG 32 KM 1300SAH3 KM 1300SWH3 208 230 60 3 CONTACTOR THERMSTOR FLOAT SW ONLY AIR COOLED MODEL TRANSFORMER Note Pressure Switch KM 1300SAH3 KM 1300SWH3 Cut out 412 PSIG Cutout 3847 PSIG Cut in 327 21 3 PSIG Cut in 285 21 3 PSIG 33 CONTROLLER BOARD d KM 1300SRH3 208 230 60 3 L L BIN CONTROL MAGNETIC CONTACTOR REMOTE CONDENSER UNIT ONLY REMOTE AIR COOLED MODELI CRANKCASE HEATER ONLY REMOTE AIR COOLED MODEL Note Pressure Switch Cut out 412273 PSIG Cut in 327 21 3 PSIG 34 Ki 3 Timing Chart When control switch is turned OFF pressure switch is OFF or thermistor temperature exceeds t1 From defrost cycle To defrost cycle If float switch is OFF Too High Hi Temp Too Low Temp Temp Standby Water Supply Thermistor ON Float Switch us ON C
23. ION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 24 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 kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 19 800 BTU h AT 90 F 32 C WT 70 F 21 C Note Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only We reserve the right to make changes in specifications and design without prior notice 37 b 13005 APPROXIMATE ICE AMBIENT TEMP WATER TEMP F C PRODUCTION PER 24 HR F C 50 10 70 21 90 32 70 21 80 27 90 32 Ibs day kg day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 80 27 90 32 gal 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 kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 15 560 BTU h AT 90 F 32 C WT 70 F 21 TOTAL HEAT OF REJECTION FROM COMPRESSOR 2650 BTU h AT 90 F 32 C WT 70 F 219C WATER FLOW FOR CONDENSER 88 gal AT 100 F 38 C WT 90 F 32 C PRESSURE DROP OF COOLING WATER LINE less than 10 PSIG Note Pressure da
24. 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 position 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 After the 1 minute 5 second water supply cycle and the 2 minute 10 second defrost cycle the unit should start the freeze cycle 26 ii iii iv 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 sw
25. ONS 208 230 60 1 3 wire with neutral for 115V 12 6 5 Min Freeze AT 104 F WT 80 F 20A 20A Ambient tech 1 5 70 80 90 100 1242 563 1143 518 1017 461 1203 546 1114 505 902 409 Crescent Cube 30 1 Ibs 13 7 kg 1440 pcs N A 90 70 F 70 50 F 2334 4 9 2180 0 0 327 28 6 697 54 3 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 275 Ibs 125 kg Shipping 315 Ibs 143 kg Permanent Connection Inlet 1 2 Outlet 3 4 FPT 3 8 OD Pipe Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic CS 14K6E PFV 237 Air cooled Fin and Tube Type Vertical type Stainless Steel and Copper Thermostatic Expansion Valve R 404A 3 14 oz 17509 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 VOLTAGE RANGE 187 253 V AMBIENT TEMP 45 100 F WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG We reserve the right to make changes specifications and design without prior notice KM 1300SWH AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMA
26. TE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W 100 lbs POTABLE WATER WATER COOLED CONDENSER gal 24HR 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 OPERATING CONDITIONS 208 230 60 1 3 wire with neutral for 115V 9 7 A 5 Min Freeze AT 104 F WT 80 F 20A 20A Ambient WATER TEMP F Temp F 70 90 70 1284 582 1282 582 1208 548 80 1283 582 1280 581 1166 529 90 1282 582 1278 580 1180 535 100 1243 564 1255 569 1089 494 Crescent Cube 30 1 Ibs 13 7 kg 1440 pcs N A 90 70 F 70 50 F 2130 4 0 2033 3 8 282 22 1 512 39 9 920 72 668 52 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 265 Ibs 120 kg Shipping 315 Ibs 143 kg Permanent Connection Inlet 1 2 Cond Inlet 1 2 FPT Outlet 3 4 FPT Cond Outlet 3 8 FPT 3 8 OD Pipe Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe Water Regulator Thermo
27. all into the bin in the harvest cycle adjust 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 1 No 2 OFF OFF 60 seconds ON OFF 90 seconds OFF ON 120 seconds ON ON 180 seconds 24 3 Drain Timer The drain timer is factory adjusted and no adjustment 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 adjusted to drain the water tank every 10 cycles and no adjustment is required However where water quality is bad and the icemaker needs a 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 10 cycles 25 5 Freeze Timer CAUTION Adjust to proper specification or the unit may not operate correctly The freeze timer is factory adjusted and no adjustment is required This setting determines the maximum allowed freeze time to prevent possible freeze up issues SETTING TIME Dip Switch Dip Switch No 9 No 10 OFF OFF 60 min
28. aximum Drain Counter 77 freeze cycle time Upon termination of freeze timer machine initiates the Drain Timer 7 harvest cycle After 2 consecutive timer Defrost Timer terminations machine will shut down possibly indicating a problem 23 1 Defrost Control A thermistor semiconductor is used for a defrost control sensor The resistance varies depending on the suction line temperatures The thermistor detects the temperature of the evaporator outlet to start the defrost timer No adjustment is required If necessary check for resistance between thermistor leads and visually check the thermistor mounting located on the suction line next to the evaporator outlet Temperature F Resistance kQ 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 on the board Remove the thermistor See V 11 Removal and Replacement of Thermistor iii Immerse the thermistor sensor portion in a glass containing ice and water for 2 or 3 minutes Check for a resistance between thermistor leads Normal reading is within 3 5 to 7 Replace the thermistor if it exceeds the normal reading 2 Defrost Timer No adjustment is required under normal use as the defrost timer is adjusted to the suitable position However if necessary because all the ice formed on the evaporator does not f
29. bel 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 manifold 10 Cap the access valves to prevent a possible leak 2 Brazing DANGER Refrigerant R 4044 itself is not flammable at atmospheric pressure and temperatures up to 176 F Refrigerant 404 itself is not explosive or poisonous However when exposed to high temperatures open flames R 404A can be decomposed 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 refrigerant raising the pressure with nitrogen and using an electron
30. des 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 sequence 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 connector 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 will not start 18 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 Dip Switch Output Test Switch Used to test Relays on Board Alarm Reset Switch 00089 0 OUTPUT TEST Backup Freeze Timer LED Connector K3 Defrost Control Thermistor Backup Defrost Timer LED Connector 4 Open not connected Alarm Buzzer n Microprocessor Will indicate Board revision level on attached label last 2 digits Power LED Lights up when power is supplied to the Board Connector K5 Float Switch Part Number Connector K1 Pins 1 through 10 21 9 Magnetic Contactor 2 Hot Gas Valve 3 Line Valve 4 Pump Motor icemaking 5 Pump Motor drain
31. e 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 53 6 Removal and Replacement of Hot Gas Valve and Line Valve CAUTION Always use a copper tube of the same diameter and length when replacing the hot gas lines otherwise the performance may be reduced 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 screw and the solenoid 5 Disconnect the hot gas valve or line 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 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 compartment 10 Cut the leads of the solenoid allowing enou
32. e 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 to prevent the cleaning and sanitizing solutions from coming into contact with skin IMPORTANT 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 To close the valve the valve handle should be at a right angle to the valve body CLOSED POSITION OPEN POSITION 65 1 Dilute 27 fl oz of the recommended cleaner Hoshizaki Scale Away or LIME A WA Y Economics Laboratory Inc with 5 gal of water 2 Remove all ice from the evaporator and the storage bin Note To remove cubes on the evaporator turn off the power supply and turn it on after 3 minutes The defrost cycle starts and the cubes will be removed from the evaporator 3 Turn off the power supply 4 Remove the front panel and then remove the insulation panel by first removing the thumbscrew lifting the panel sligh
33. e position of the float switch at the end of the initial one minute water fill cycle and at the end of each defrost cycle 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 water fill cycle before starting the ice making cycle This method allows for a low water safety shut down to protect the water pump from mechanical seal failure For water cooled models if the water is shut off the unit is protected by the high pressure switch b High Voltage Cut out The maximum allowable supply voltage of this icemaker is limited by the high voltage cut out If miswiring especially on single phase 3 wire models 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 The control board will signal this problem using 7 beeps every 3 seconds 6 LED Lights and Audible Alarm Safeties The red LED indicates proper control voltage and will remain on unless a control voltage problem occurs At startup a 5 second delay occurs while the board conducts an internal timer check A short beep occurs when the power switch is turned ON or OFF 17 The green LED s 1 4 represent corresponding re
34. eck operation in harvest Thermistor Out of TURON or loose 1 See V 11 Removal and attachment Replacement of Thermistor h Controller Board 1 Defrost timer is set too 1 Adjust longer referring to short 2 9 Controls and Adjustments 2 Defrost Timer pure E See 11 2 Checking the Controller Board 5 Spray Tubes Water 1 Water System 1 Clean Refrigerant Undercharged Check for leaks and Expansion Valve Bulb out of position or Place in position e Hot Gas Solenoid 1 Coil winding opened 1 Replace Valve 2 Plunger does not move 2 Replace 3 Wiring to hot gas valve 3 Check for loose connection or open and replace f Water Supply Line 1 Too small requires 1 2 1 Increase water line size OD line dedicated per machine 9 Water Filter 1 Flow rate too small 1 Replace with filter that has larger flow rate 47 Low Ice Production Freeze cycle time is a See chart 1 3 and check high pressure controller and water regulator long See chart 2 1 and check float switch water solenoid valve and controller board 2 Harvest cycle time is 2 See chart 2 2 and check evaporator water supply line water filter system water solenoid valve ambient and or water temperature line valve thermistor and controller board 4 Abnormal Ice 1 Small cubes Ice Cube Guide 1 Out of position Circulated 1 Place in p
35. fective 1 See 1 2 Checking the Controller Board 6 Fan Motor will not Fan Motor Motor winding opened start or is not 2 Bearing worn out 2 operating 3 Wiring to fan motor 3 Check for loose connection or open and replace 4 Defective capacitor 4 Replace 5 Fan blade bound 5 Check and replace Controller Board Defective 1 See 1 2 Checking the 7 All components run Refrigerant Undercharged 1 Check for leaks and produced 2 Air or moisture trapped 2 Hot Gas Solenoid 1 Continues to open in 1 Check and replace d Line Valve 1 Continues to close in 1 Check and replace MIENNE Water Solenoid Valve 1 water solenoid valve is Check for water leaks with Water Supply Line Condenser water pressure 1 Check and Water cooled model too low or off and pressure recommended pressure only control opens and closes frequently 46 2 Evaporator is Frozen Up 1 Freeze cycle time is Float Switch too long defective switch freely icemaker off Controller Board 2 All ice formed on Scaled up 1 Clean fall into bin in naves pressure 8 Water Va 2 Diaphragm does not close 2 Check for water leaks with Scoot e Ambient and or water 1 Too cool 1 Increase temperature Pase Line Valve Continues to open in 1 Ch
36. gh lead length to reconnect using closed end connectors 11 Connect the new solenoid leads 12 Attach the solenoid to the valve body and secure it with a screw 54 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 repair or replacement has been made 1 Turn off the power supply 2 Remove the panels and the top 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 where 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 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 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 po
37. he 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 52 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 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 insulation and the expansion valve bulb on the suction line 5 Remove the expansion valve cover and disconnect the expansion valve using brazing equipment 6 Braze the new expansion valve with nitrogen gas flowing at a 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 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 th
38. hermistor reads 48 F Defrost Timer starts counting m 5 Water Valve opening is limited to 6 c minutes amp LINE VALVE m Q 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 21 2nd Cycle and after with no pump drain IMPORTANT Freeze cycle time is limited by the freeze timer factory setting even if the Float Switch does notopen 1 Float Switch opens and signals to complete freeze cycle 4 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 22 WATER VALVE OD DEFROST CYCLE PUMP FAN amp LINE VALVE 2 Thermistor reads 48 F Defrost Timer starts counting 2 IMPORTANT Water Valve opening is limited to 6 minutes 3 Defrost Timer stops counting Defrost cycle is completed and freeze cycle
39. hey were removed 7 Replace the panels in their correct positions 8 Turn on the power supply 62 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 Drain 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 Note 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
40. ic 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 50 3 Removal and Replacement of Compressor 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 Note When replacing a compressor with a defective winding be sure to install the new start capacitor and start relay supplied with the replacement compressor Due to the ability of the POE oil in the compressor 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 power supply 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 wiring 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
41. it and Refrigerant Circuit nnne 28 a 13005 13005 28 b KM 1300S WETL KM T300S WHS 29 c KM 1300SRH 13005 30 2 Wiring DTA GF Cm Fa Fe Don ibis dio 31 a 13005 KM 1300SWH 8 31 1818 4 24681851 a a nes eere eU 32 c 13005 13005 3 33 0 eO ES m a e TENTE 34 S mg E lori qm E 00 35 A 5 10181 681218 8 3 E ewan 37 SM SISO 855751 iss redeas oe reta fie ob de EU Ea ur o on rae an aav ua Glide 37 OIA Mat SOO iaa or rm 38 eU cC RED 39 B 21400 SAS reo e rar cies 40 6 KM rax v ER sends vie aes 41 30D SPIEL 42 IV Service DIAGNOSIS enan petas td M 43 LANG ICG eR 43 2 Frozen 47 PEOUUGIOD ON Rut 48 28518411 001 1 48 SES f 48 V Removal and Replacement
42. itch 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 energize the unit After the 1 minute water supply cycle the defrost cycle starts Re connect a 1 5 kQ 3 5 kQ resistor to the connector K3 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 3 Check the controller board using the controller board s test program 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 and 4 normal sequence every 5 seconds S3 should remain in the OFF position for normal operation 27 Ill Technical Information 1 Water Circuit and Refrigerant Circuit a KM 1300SAH KM 1300SAH3 unong Uolsuedxj PUD SY SA EA SEC 10H gc 91 55914 Sur J JojeJode 3 DERE ial alte Keds 11111311111111 882313 1311
43. lays and energize and sequence 5 seconds from initial startup as follows 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 LED2 HGV CFM LED3 LED 4 WV The built in safeties shut down the unit and have alarms as follows 1 beep every sec High Evaporator Temperature 127 F Check for defrost problem stuck HGV or relay hot water entering unit stuck headmaster or shorted thermistor 2 beeps every 3 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 com pressor 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 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 provi
44. le 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 while installing it 12 Replace the control box cover and the panels in their correct positions 13 Turn on the power supply 59 12 Removal and Replacement of Fan Motor Note When replacing a fan motor with defective winding it is recommended that a new capacitor be installed 1 Turn off the power supply 2 Remove the panels 3 Remove the junction box cover 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 and replace the removed parts 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 60 13 Removal and Replacement of Water Valve 1 Turn off the power supply 2 Close the water 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 water valve 7 Disconnect the terminals from the water valve 8 Install the new water valve and replace the removed parts in the reverse order of which they were removed 9 Ope
45. n 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 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 Inside of Ice Dropping Hole 5 Disconnect the pump suction and discharge hoses 6 Remove the screws and the pump motor bracket Fig 3 61 7 Remove the closed end connectors from the pump motor leads 8 Remove the two screws 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 t
46. nd Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic CS14K6E TF5 237 Air cooled Fin and Tube Type Vertical type Stainless Steel and Copper Thermostatic Expansion Valve R 404A Ib 14 oz 17500 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 VOLTAGE RANGE 187 253 V AMBIENT TEMP 45 100 F WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG We reserve the right to make changes in specifications and design without prior notice KM 1300SWH3 AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W 100 Ibs POTABLE WATER WATER COOLED CONDENSER gal 24HR 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
47. nto freezing cycle The data not in bold should be used for reference only We reserve the right to make changes in specifications and design without prior notice 41 f KM 1300SRH3 ICE AMBIENT TEMP WATER TEMP F C PRODUCTION PER 24 HR F C 50 10 70 21 90 32 70 21 80 27 90 32 Ibs day kg day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 80 27 90 32 gal 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 kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 16600 BTU h AT 90 F 32 C WT 70 F 21 C TOTAL HEAT OF REJECTION FROM COMPRESSOR 2500 BTU h AT 90 F 32 C WT 70 F 21 C CONDENSER VOLUME 132 CU IN URC 12F Note Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only We reserve the right to make changes in specifications and design without prior notice 42 IV Service Diagnosis 1 No Ice Production 1 The icemaker will not a Power Supply 1 OFF position 1 Move to ON position 3 Bad contacts 3 Check for continuity and 4 4 Check and b Fuse Inside fused 1 Blown 1 Check for short circuit and 1 ition 1 Control
48. of Components 49 1 Service for Refrigerant Lines Eo RIS eo PIE deii M IE 49 a Refrigerant Recovery ias cU dca usu dnd 49 b Evacuation and Recharge 404 49 dirige 50 Removal and Replacement of 51 4 Removal and Replacement of Drier nenn n nenne 52 5 Removal and Replacement of Expansion 53 6 Removal and Replacement of Hot Gas Valve and Line Valve 54 7 Removal and Replacement of 55 8 Removal and Replacement of Water Regulating Valve Water Cooled Model Only 56 9 Adjustment of Water Regulating Valve Water Cooled Model Only 57 10 Removal and Replacement of Condensing Pressure Regulator Remote Air Cooled Model Only 2 5 preneur 58 11 Removal and Replacement of Thermistor 59 12 Removal and Replacement of Fan Motor cccceceeecceeeeeeeeeeeeeeeeeeeeeeeeeeeeaenaaaeaeees 60 13 Removal and Replacement of Water Valve 61 14 Removal and Replacement of Pump Motor
49. ompressor OFF Control ON 77 ON Switch in ICE Heater 9 Bin Icemaki Thermostat Pump Motor ON Dr Pressure Fan Motor amp Line Valve OFF Overheat Fan Motor 9N Protect Condenser Unit ore Reset 4 Water Valve Hot Gas Valve OFF 1 The icemaker does not complete a defrost cycle in the first 2 or 3 minutes See Il 2 d Controls and Adjustments 35 stand by cycle When control switch is tumed OFF pressure switch is OFF thermistor temperature exceeds t1 To freeze cycle From freeze cycle Too Low Temp Mode Modes Modea Defrost include drain Thermistor Temperature Float Switch WASH Pump Motor Drai Fan Motor ON amp Line Valve Fan Motor ON Condenser Unit Water Valve ON Hot Gas Valve OFF 1 The pump motor waits for 2 seconds before starting a drain cycle See Il 2 d Controls and Adjustments OF lt Switch in 2 The icemaker does not complete a defrost cycle in the first 2 or 3 minutes See Il 2 d Controls and Adjustments 36 4 Performance Data a KM 1300SAH APPROXIMATE ICE AMBIENT TEMP WATER TEMP F C PRODUCTION PER 24 HR F C 50 10 70 21 90 32 70 21 80 27 90 32 Ibs day kg day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPT
50. osition See chart 1 5 and check water supply line water solenoid valve water system Pump Out Check Dirty 1 Clean _ NN 2 Cloudy or irregular See chart 2 1 and 2 3 and check float switch water solenoid valve controller cubes board Sprey tubes water Syste refrigerant charge and igen TU valve ee Quality High hardness or contains 1 Install a water E M or impurities filter 5 Other 1 Icemaker will not a Bin Control Thermostat 1 Set too cold 1 Adjust warmer stop when bin is filled 2 Abnormal noise a Pump Motor 1 Replace 2 Fan blade deformed 2 Replace fan blade 3 Fan blade does not move 3 Replace freely c Compressor Bearings worn out or Replace Poem 4 2 Mounting pad out of 2 Reinstall d Refrigerant Lines 1 Rub or touch other lines or 1 Replace ERN E 86 storage bin Bin Dran Plugged often melts b Icemker and Bin 1 Drains not run separately 1 Separate the drain lines 48 V Removal and Replacement of Components IMPORTANT Ensure all components fasteners and thumbscrews are securely in place after the equipment is serviced IMPORTANT 1 The Polyol Ester POE oils used in R 404A units can absorb moisture quickly Therefore it is important to prevent moisture from entering the system when replacing or servicing parts 2 Always install a new filter drier every time the sealed refrigeration sy
51. 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 a pressure of 3 4 PSIG 13 Install the new filter drier 14 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 15 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 compartment 51 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 power 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 a 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 air cooled and water cooled models see t
52. 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 270 PSIG or the thermometer reads 104 115 F 5 minutes after a freeze cycle or icemaking process starts When the pressure exceeds 270 PSIG or the condenser drain temperature exceeds 115 F rotate the adjustment screw counterclockwise See Fig 1 3 Check that the pressure or the condenser drain temperature holds a stable setting ADJUSTMENT SCREW ADJUSTMENT SCREW CW Higher Lower 9 TOP VIEW Fig 1 57 10 Removal and Replacement of Condensing Pressure Regulator C P R Remote Air Cooled Model 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 Turn off the power supply 2 Remove the panels from the remote condenser unit 3 Recover the refrigerant and 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 a 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
53. sitions 13 Turn on the power supply 55 8 Removal and Replacement of Water Regulating Valve Water Cooled Model 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 Turn off the power supply 2 Close the water 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 screws and the valve from the bracket 8 Install the new valve and braze the capillary tube 9 Install the new drier 10 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 11 Evacuate the system and charge it with refrigerant See the nameplate for the required refrigerant charge 12 Connect the flare connections 13 Open the water supply line shut off valve 14 Check for water leaks 15 Replace the panels in their correct positions 16 Turn on the power supply 56 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
54. stat Hermetic Model CS14K6E PFV 237 Water cooled Tube in tube type Vertical type Stainless Steel and Copper Thermostatic Expansion Valve R 404A 216 2 2 9509 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 V AMBIENT TEMP 45 100 F WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG We reserve the right to make changes in specifications and design without prior notice KM 1300SRH AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 Ibs WATER gal 24HR gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDENSATE 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 OPERATING CONDITIONS 208 230 60 1 3 wire with neutral for 115V 14 5
55. stem is opened 3 Do not leave the system open for longer than 5 minutes when replacing or servicing parts 1 Service for Refrigerant Lines a Refrigerant Recovery The icemaker unit is provided with two refrigerant access valves one on the low side and one on the high side line Using proper refrigerant practices recover the refrigerant from the access valves and 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 valves 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 49 5 Disconnect the vacuum pump and attach refrigerant service cylinder to the high side line Remember to loosen the connection and purge the air from the hose For air cooled and water cooled models see the nameplate for the required refrigerant charge For remote air cooled models see the charge la
56. ta is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only We reserve the right to make changes in specifications and design without prior notice 38 KM 1300SRH APPROXIMATE WATER TEMP F C PRODUCTION PER 24 HR F C 50 10 70 21 90 32 70 21 80 27 90 32 Ibs day _kg day 100 38 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 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 kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 18300 BTU h AT 90 F 32 C WT 70 F 21 C TOTAL HEAT OF REJECTION FROM COMPRESSOR 2910 BTU h AT 90 F 32 C WT 70 F 219C CONDENSER VOLUME 132 CU IN URC 12F Note Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only We reserve the right to make changes in specifications and design without prior notice 39 4 13005 PRODUCTION PER 24 HR AMBIENT TEMP WATER TEMP F C 50 10 70 24 90 32 70 24 80 27 90 32 65 _kg day 100 38 70 21 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 9
57. tly 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 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 step 5 above 15 Replace the cap 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 66 19 on the power supply to fill the water tank with water 20 Turn off the power supply after 3 minutes 21 Remove the front panel and fully open the cleaning valve 22 Move the control switch to the WASH position 23 Replace the front panel in its correct position 24 Turn on the power 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
58. valve 3 Check for loose connection or open and replace Controller Board Defective 1 See 1 2 Checking the Controller Board Interlock Switch 1 OFF Position Move to ON position Valve 2 Bad contacts 2 Check for continuity and replace 2 Water continues to a Float Switch 1 Connector disconnected 1 Place in position be supplied and the 2 Leads opened or defective 2 Check and replace icemaker will not switch start 3 Float does not move 3 Clean or replace freely ee OER coil or contacts RU worn 3 Compressor will not Wash Switch WASH position Move to ICE position start or stops 2 2 Bad contacts contacts 2 Check and 2 Check and replace operating b High Pressure air filter or Controller condenser 2 Ambient or condenser 2 Reduce temperature water temperature too warm 4 Refrigerant line or 4 Clean and replace drier B water cooled model 6 Condenser water pressure 6 Check and get too low or off Water recommended pressure cooled model only 44 3 Continued from Overload Protector 1 Bad contacts 1 Check for continuity and previous page replace 2 Voltage too low Increase voltage 3 Refrigerant overcharged or 3 undercharged 4 Line valve continues to 4 Check line valve s close in freeze cycle and operation in freeze cycle overload protector and replace operates
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