Hoshizaki KMS-1122MLJ Скачать руководство пользователя страница 11 | Manualshive

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Содержание KMS-1122MLJ

Страница 1: ...Models KMS 1122MLJ with SRK 12J 3 Modular Crescent Cuber Serenity Series Service Manual Number 73223 Issued 3 21 2018 Revised 3 12 2019 hoshizakiamerica com...

Страница 2: ...rty damage due to improper installation is not covered under warranty Hoshizaki provides this manual primarily to assist qualified service technicians in the service of the appliance Should the reader...

Страница 3: ...le Alarm Safeties 37 C Settings and Adjustments 38 1 Default Dip Switch Settings 38 2 Harvest Timer S4 dip switch 1 2 39 3 Pump Out Timer Harvest Time During Pump Out S4 dip switch 3 4 39 4 Pump Out F...

Страница 4: ...nance 48 VI Preparing the Appliance for Periods of Non Use 49 VII Disposal 50 VIII Technical Information 51 A Specification and Performance Data Sheets 51 1 KMS 1122MLJ with SRK 12J 51 2 KMS 1122MLJ w...

Страница 5: ...d local codes and regulations Failure to meet these code requirements could result in death electric shock serious injury fire or damage to the appliance To reduce the risk of electric shock do not to...

Страница 6: ...supply of proper capacity See the nameplate for electrical specifications Failure to use an independent power supply of proper capacity can result in a tripped breaker blown fuses damage to existing w...

Страница 7: ...Float Switch Control Switch Service Switch Inlet Water Valve Thermistor Control Box Bin Control Bulb Holder Bin Control Bracket Bin Control Cover Bin Control Insulation Fuse Drain Valve X11 Relay inl...

Страница 8: ...ve Liquid Line Valve Junction Box Receiver Accumulator Shut Off Valve Low Side Discharge Line Thermostat Compressor Shut Off Valve High Side Fan Motors and Fan Blades Control Box Crankcase Heater Magn...

Страница 9: ...Off Valves SRK 12J 3 Fans Condenser Headmaster Check Valve Hot Gas Valve Strainer High Pressure Switch Discharge Line Thermostat Discharge Line Compressor Receiver Accumulator Suction Line Hot Gas Va...

Страница 10: ...es KMS and SRK PM pump motor WV inlet water valve Operation Flow Chart 1 1 Minute Fill Cycle Cycle Steps 2 Harvest Cycle WV time 6 min or the length of harvest minus HPT setting S4 dip switch 6 whiche...

Страница 11: ...s de energized 3 Ice Level Lowered No ice touching BC bulb Icemaker starts at 1 1 Minute Fill Cycle BC closed BC open All components de energized To 1 1 Minute Fill Cycle Shutdown Flow Chart NOTE cont...

Страница 12: ...freeze cycle time is added to the minimum maximum calculation Example After 8 cycles if the differential between the shortest cycle minimum and the longest cycle maximum is equal to or greater than 4...

Страница 13: ...e a neutral W to establish a good neutral connection On 3 phase models the neutral W is provided through MT To confirm a good neutral W check for 60VAC from neutral W to ground GND If 60VAC is present...

Страница 14: ...esent on one and not the other BC is open See II E Bin Control Check If BC is closed check for 115VAC at control switch 2 BR to neutral W then at control switch 3 BK to neutral W If 115VAC is present...

Страница 15: ...ches 48 F 9 C CB reads 3 9 k from the thermistor and turns harvest termination over to the harvest timer S4 dip switch 1 2 and S5 dip switch 4 WV and X11 relay are energized during harvest for a maxim...

Страница 16: ...al 5 DBU and not on terminal 3 R replace X10 relay If 115VAC is present on X10 relay terminal 3 R check control switch contact continuity between terminals 6 R and 5 W R If contacts are open replace c...

Страница 17: ...V is energized check for 115VAC at CB K1 6 O to neutral W If 115VAC is present after PM energizes in harvest cycle replace CB If 115VAC is not present replace WV bypassing If HGVs KMS and SRK did not...

Страница 18: ...2 are on 10 20 second pump out Timing of the first pump out is determined by S4 dip switch 5 See the table below Control Board Settings S4 Dip Switch Setting Pump Out Frequency Control Board No 5 OFF...

Страница 19: ...ace as needed d PM Diagnosis Check for 115VAC at X12 relay 6 P to neutral W If 115VAC is not present see b CB Diagnosis above Next check for 115VAC at X12 relay 4 W R to neutral W If 115VAC is not pre...

Страница 20: ...f the jumper is not in place yellow BC OPEN LED turns on and the icemaker turns off and remains off until the jumper is replaced in its original position NOTICE CB red K4 connector jumper 4A4883G01 mu...

Страница 21: ...ngs and freeze cycle counts restart after a BC off cycle and resume at the 2nd freeze cycle after BC restart Example After 8 cycles excluding first cycle if the differential between the shortest cycle...

Страница 22: ...de energize WV continues 2b 10 Min Fill CB LED 4 on and WV energized 10 min timer starts 2c Final 10 Min Harvest Pump Time Harvest Assist with WV CB POWER OK LED blinking Once 10 min timer terminates...

Страница 23: ...R OK LED is off check CT secondary circuit CT output is 10 5VAC at 115VAC primary input If the secondary circuit has proper voltage and the red LED is off replace CB If the secondary circuit does not...

Страница 24: ...K5 for correct VDC per table below Note Pin 1 is DC ground GND on each connector Legend CB control board CT control transformer K3 Thermistor Pin VDC 1 to 2 5VDC 1 to 3 5VDC 2 to 3 0VDC C ALP X1 X4 X3...

Страница 25: ...er altitude locations Note When BC switch is open CB red POWER OK LED is off CB yellow BC OPEN LED is on if CB red K4 connector does not have the jumper in place 1 Turn off the power supply 2 Remove t...

Страница 26: ...n its correct position 10 Move the control switch to ICE position Replace the front panel 11 Turn on the power supply 12 As water fills the water tank FS contacts should close After 1 min the 1 min fi...

Страница 27: ...side insulation then move the control switch to the OFF position 7 Remove FS assembly and FS stop See Fig 1 8 Remove the retainer rod from the bottom of FS assembly then remove the float Be careful n...

Страница 28: ...nt Service Information If within the normal range continue to next step 7 Replace the thermistor in its correct position See IV B Component Service Information 8 Reconnect the thermistor connector to...

Страница 29: ...ch is activated power is supplied to the water pump in all three positions 2 When the control switch is in the OFF position or in the ICE position the service switch has no power and can be left in an...

Страница 30: ...ser b Condensing unit fan s not operating c Headmaster C P R open d Refrigerant overcharged e Bad contacts f Refrigerant lines or components plugged 6 Discharge Line Thermostat SRK a Ambient temperatu...

Страница 31: ...e Compressor defective 16 Hot Gas Valves KMS SRK a Closed in harvest cycle b Open in freeze cycle 17 Thermistor See II G Thermistor Check a Loose disconnected or defective 18 Pump Motor a Motor windi...

Страница 32: ...ant Charge a Low 8 Control Board See III Controls and Adjustments and II D Control Board Check a Harvest timer S4 dip switch 1 2 set too short b Harvest pump timer S4 dip switch 7 not in factory defau...

Страница 33: ...disconnected or defective 7 Hot Gas Valves KMS SRK a Erratic or closed 8 Inlet Water Valve a Screen or orifice clogged 9 Compressor a Inefficient or off 10 Liquid Line Valves KMS SRK a Erratic or open...

Страница 34: ...ly 14 Are the evaporator separators positioned properly 15 Is the thermistor properly mounted tight and insulated 16 Is the TXV bulb properly mounted tight and insulated Appliance Operation Fill YES N...

Страница 35: ...rd contains integrated circuits which are susceptible to failure due to static discharge It is especially important to touch the metal part of the appliance when handling or replacing the control boar...

Страница 36: ...elay LED 3 on K1 Connector Pin 5 LED 3 off K1 Connector Pin 4 energized in freeze LED 4 X4 Relay K1 Connector Pin 6 LED 1 X1 Relay K1 Connector Pin 1 9 K2 Connector Control Transformer 10 5VAC S5 Dip...

Страница 37: ...tuck HM or shorted thermistor 2 Beep Harvest Backup Timer harvest 20 min for two cycles in a row Check thermistor open HGV not opening TXV or LLV leaking by low charge inefficient Comp or WRV leaking...

Страница 38: ...22MLJ OFF OFF OFF OFF ON OFF ON OFF OFF OFF S5 Dip Switch Do Not Adjust Dip Switch No 1 2 3 4 5 KMS 1122MLJ OFF OFF OFF OFF ON Freeze Timer 9 10 Pump Out Frequency Control 5 Pump Out Time Harvest Time...

Страница 39: ...er S4 Dip Switch Setting Time sec No 1 No 2 OFF OFF 60 ON OFF 90 OFF ON 120 ON ON 180 3 Pump Out Timer Harvest Time During Pump Out S4 dip switch 3 4 NOTICE Do not adjust 3 off and 4 on Drain valve do...

Страница 40: ...reeze cycle 5 Harvest Pump Time Harvest Assist Duration S4 dip switch 6 NOTICE Factory set for proper operation Do not adjust Adjustment outside of the factory default setting may result in damage to...

Страница 41: ...nd X10 relays For further details see VIII B Wiring Diagrams In the factory default position 50 sec before harvest termination LED 4 turns off inlet water valve and X11 relay de energize X10 relay rem...

Страница 42: ...sition or the icemaker will not operate correctly This setting is ignored if refill counter S5 dip switch 2 and 3 set to 0 The KMS 1122MLJ uses a single float switch with no refills Float switch contr...

Страница 43: ...setting may result in damage to the appliance S5 Dip Switch Setting Minimum Harvest Timer No 4 OFF 120 sec ON 70 sec 12 Anti Slush S5 dip switch 5 This dip switch setting provides anti slush control...

Страница 44: ...ng an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG Do not use R 404A as a mixture with pressurized air for leak testing NOTICE Always recover the refrigerant and st...

Страница 45: ...n the drier in the direction of the refrigerant flow When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 2 Use an ele...

Страница 46: ...en charging an R 404A system to prevent fractionation Place the service cylinder on the scales if the service cylinder is not equipped with a dip tube invert the service cylinder then place it on the...

Страница 47: ...Liquid Line Valves Replace the strainer if applicable Use copper tube of the same diameter and length when replacing valve lines Fan Motors Install a new capacitor Pump Motor Install a new capacitor T...

Страница 48: ...have fallen into the dispenser unit ice storage bin Maintenance Schedule Frequency Area Task Daily Scoop Clean the ice scoop using a neutral cleaner Rinse thoroughly after cleaning Monthly External W...

Страница 49: ...y 4 Attach a compressed air or carbon dioxide supply to the icemaker water supply line drain valve 5 Make sure at least 3 min have elapsed since you turned off the power supply Make sure the control s...

Страница 50: ...osal The appliance contains refrigerant and must be disposed of in accordance with applicable national state and local codes and regulations Refrigerant must be recovered by properly certified service...

Страница 51: ...507 70 21 80 27 90 32 watts 100 38 70 21 335 1 27 287 1 09 274 1 04 80 27 298 1 13 224 0 85 240 0 91 90 32 287 1 09 172 0 65 176 0 66 gal day m 3 day 100 38 237 0 90 173 0 65 179 0 68 70 21 80 27 90 3...

Страница 52: ...ay 100 38 240 0 91 176 0 67 179 0 68 70 21 80 27 90 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 179 12 6 194 13 6 214 15 1 80 27 190 13 4 214 15 0 234 16 5 90 32 194 13 6 230 16 2 251 17 6 PSIG k...

Страница 53: ...Brazed Connections COMPRESSOR Hermetic Model CS12K6E PFV CONDENSER Air Cooled Fin and Tube Type COMPRESSOR PROTECTION Auto Reset Overload Protector Internal FAN MOTOR PROTECTION Thermal Protection RE...

Страница 54: ...ctions COMPRESSOR Hermetic Model CS12K6E TF5 CONDENSER Air Cooled Fin and Tube Type COMPRESSOR PROTECTION Auto Reset Overload Protector Internal FAN MOTOR PROTECTION Thermal Protection REFRIGERANT CIR...

Страница 55: ...ondensing Unit field connected Wire Harness Connections BR V P BK W BR GR GND V P BK W GR BR V P BK W GR BR V P BK W GND Legend CB control board GND ground HGV hot gas valve LLV liquid line valve Wire...

Страница 56: ...ry Code H 0 Auxiliary Code H 1 and Later 2 KMS 1122MLJ with SRK 12J High Pressure Switch Cut out 426 22 PSIG Cut in 341 22 PSIG 0 Discharge Line Thermostat Cut out 266 F 9 F 130 C 5 C Cut in 239 F 9 F...

Страница 57: ...y Code H 1 and Later Auxiliary Code H 0 3 KMS 1122MLJ with SRK 12J3 High Pressure Switch Cut out 426 22 PSIG Cut in 341 22 PSIG 0 Discharge Line Thermostat Cut out 266 F 9 F 130 C 5 C Cut in 239 F 9 F...

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