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Models
FS-1001MLJ-C with SRC-10J

FS-1022MLJ-C with SRC-10J
FS-1500MLJ-C with SRC-14J

Modular Cubelet Serenity Series

Service Manual

Number: 73222
Issued: 3-22-2018

hoshizakiamerica.com

Содержание FS-1001MLJ-C

Страница 1: ...Models FS 1001MLJ C with SRC 10J FS 1022MLJ C with SRC 10J FS 1500MLJ C with SRC 14J Modular Cubelet Serenity Series Service Manual Number 73222 Issued 3 22 2018 hoshizakiamerica com ...

Страница 2: ...erty damage due to improper installation is not covered under warranty Hoshizaki provides this manual primarily to assist qualified service technicians in the service of the appliance Should the reader have any questions or concerns which have not been satisfactorily addressed please call send an e mail message or write to the Hoshizaki Technical Support Department for assistance Phone 1 800 233 1...

Страница 3: ...l Board Check 21 D Bin Control Check 26 E Power Switch and Control Switch 28 1 Power Switch 28 2 Control Switch 28 F Float Switch Check and Cleaning 29 G Diagnostic Tables 31 III Controls and Adjustments 34 A Control Board 34 1 Control Board Layout 35 2 LED Lights and Audible Alarm Safeties 36 3 Ice Purge Cycle Bypass 36 B Controls and Adjustments 37 1 Default Dip Switch Settings 37 2 BC Infrared ...

Страница 4: ... Performance Data Sheets 55 1 FS 1001MLJ C with SRC 10J 55 2 FS 1022MLJ C with SRC 10J 56 3 FS 1500MLJ C with SRC 14J 57 B Wiring Diagrams 58 1 FS 1001MLJ C and FS 1022MLJ C 58 2 FS 1500MLJ C 59 3 SRC 10J Condensing Unit 60 4 SRC 14J Condensing Unit 61 ...

Страница 5: ...ic shock serious injury or fire follow basic precautions including the following Only qualified service technicians should install and service the appliance The appliance must be installed in accordance with applicable national state and local codes and regulations Failure to meet these code requirements could result in death electric shock serious injury fire or damage to the appliance The applia...

Страница 6: ...gled Such actions could result in electric shock or fire To unplug the icemaker be sure to pull the plug not the cord and do not jerk the cord Do not place fingers or any other objects into the ice discharge opening SRC The remote condensing unit requires an independent power supply of proper capacity See the nameplate for electrical specifications Failure to use an independent power supply of pro...

Страница 7: ...perating ambient temperature must be within 45 F to 100 F 7 C to 38 C Do not leave the icemaker on during extended periods of non use extended absences or in sub freezing temperatures To properly prepare the icemaker for these occasions follow the instructions provided in the instruction manual Do not place objects on top of the appliance The dispenser unit ice storage bin is for ice use only Do n...

Страница 8: ...ar Motor Thermostatic Expansion Valve Ice Chute BC infrared sensor Cutter Extruding Head Evaporator Power Cord Drain Valve Liquid Line Service Valve Strainer Front Panel Right Side Panel Top Panel Drier Evaporator Heater Model Shown FS 1001MLJ C Front View Rear View Suction Line Service Valve Liquid Line Shutoff Valve Suction Line Shutoff Valve ...

Страница 9: ...itch b SRC 14J Right Side Panel Louver Panel Left Side Panel Top Panel Low Side Service Valve Control Box Cover Top Panel Condenser Headmaster C P R Fan Motor Compressor High Pressure Switch Control Box Right Side Panel Control Box Cover Receiver Left Side Panel Control Low Pressure Switch Safety Low Pressure Switch Louver Panel Liquid Line Shutoff Valve Suction Line Shutoff Valve Data Pending ...

Страница 10: ...AJ C Seal Bolt Gear Motor Spline Coupling Lower Housing O Ring Mechanical Seal Cylinder Auger Extruding Head Upper Bearing Cutter Insulation Socket Head Cap Screw with Split Lock Washer Hex Bolt and Washer Evaporator Heater C Models Drip Pan ...

Страница 11: ...Solenoid Valve Drain Outlet Compressor Safety Low Pressure Switch Fan Motors Condenser Headmaster C P R High Pressure Switch Suction Line Shutoff Valve Control Low Pressure Switch Receiver Strainer Suction Line B Water Refrigeration Circuit Diagram FS SRC Liquid Line Shutoff Valve Discharge Line Shutoff Valve Liquid Line Service Valve Suction Line Service Valve ...

Страница 12: ...default 1 in 1 drain cycle is recommended a 1 in 12 drain cycle is available For 1 in 12 drain cycle sequence see 3 1 in 12 Hour Drain Cycle Restart optional Refill FT Maximum 90 sec 90 sec FT exceeded 90 sec PT starts and 1 beep alarm sounds 90 sec PT terminates unit shuts down and 1 beep alarm continues When UFS closes alarm resets and 2 Ice Purge Cycle starts WV continues GM de energized 1 DT I...

Страница 13: ... Ice Purge Cycle BC Yellow LED flashing or steady BC delay determined by CB S1 dip switch 1 2 3 4 Icemaker Restart 5 min If BC fails to shutdown the icemaker See II D Bin Control Check BC Green LED on BC Yellow LED off BC Green LED on BC Yellow LED off to 2 Ice Purge Cycle in Icemaking and Drain Cycle Chart BC de activated Shutdown Flow Chart 2 Shutdown Flow Chart BC activated ...

Страница 14: ...Make sure that none have fallen into the dispenser unit storage bin Make sure all food zones in the icemaker and dispenser unit storage bin are clean after the unit is serviced 1 Ice Production Check To check production prepare a bucket or pan to catch the ice and a set of scales to weigh the ice After the appliance has operated for 10 to 20 min catch the ice production for 10 min Weigh the ice to...

Страница 15: ...ce purge cycle may be bypassed by pressing the SERVICE button on the control board after the gear motor starts WARNING Risk of electric shock Care should be taken not to touch live terminals If the icemaker is in alarm see III A 2 LED Lights and Audible Alarm Safeties EH energizes when GM LED turns on CB X1 relay energizes PDS After PDS energizes CPLS closes then MC energizes energizing Comp and F...

Страница 16: ...tarts WV energizes and fill cycle starts LFS closes Nothing happens at this time Reservoir continues to fill until UFS closes When UFS closes FT terminates WV de energizes and CB WTRIN LED turns off FZT and 30 sec GM delay timer start If UFS remains open longer than 90 sec after LFS opens FT exceeded and CB sounds a 1 beep alarm WV remains energized until UFS closes Alarm resets automatically when...

Страница 17: ...opens Nothing happens at this time When LFS opens WV energizes and refill cycle begins FZT terminates and FT starts FZT 30 Min Freeze Safety Timer FZT starts when UFS closes and terminates when LFS opens If LFS does not open within 30 min of UFS closing CB shuts down the icemaker and sounds a 5 beep alarm See III A 2 LED Lights and Audible Alarm Safeties To reset turn the power supply off and on a...

Страница 18: ...n acceptable range If HPS does not reset open allow pressures to equalize and HPS to reset If refrigeration circuit high side pressure does not drop recover evacuate and recharge if necessary Before restarting the appliance check for dirty or clogged condenser Once the appliance is restarted check for proper FMR operation and fan blade for binding Check receiver service valves PDS and drier for re...

Страница 19: ... LBU for 24VAC If 24VAC is present on CB K2 9 W R and not on CB K2 8 O replace CB If 24VAC is present on CB K2 8 O check continuity through WV solenoid If open replace WV If WV is energized and refill exceeds FT with no water in the reservoir check for DV leaking If reservoir is full and overflowing check for open UFS See II F Float Switch Check and Cleaning If UFS is closed check that WV de energ...

Страница 20: ...is at the outer limit of its range and turns steady as ice nears After BC yellow LED turns on flashing or steady BC shutdown delay timer S1 dip switch 1 2 3 starts For a typical dispenser unit application a 100 sec shutdown delay is recommended When used with a standard Hoshizaki storage bin any shutdown delay setting is acceptable See III B 2 BC Infrared Sensor Shutdown Delay S1 dip switch 1 2 3 ...

Страница 21: ...for proper low voltage 24VAC output from the control transformer and the 1A fuse is good Check for 24VAC at CB K8 1 W R to CB K8 2 LBU If 24VAC is present and CB POWER OK LED is off replace CB 3 BC infrared sensor Power Supply K6 connector CB supplies 20VDC to BC and BC green LED is on Diagnosis Check that BC green LED is on If not check for 20VDC between CB K6 1 DBU and CB K6 3 BR See Fig 1 If 20...

Страница 22: ... K9 1 W BK at all times If 5VDC is not present replace CB When the control switch is in the ICE position the control switch contacts are open 0VDC is present between CB white K5 connector pin closest to CB red K4 connector and CB K9 2 W BK When in the ICE position 5VDC is present from CB K9 1 W BK to CB K9 2 W BK When the control switch is in the DRAIN position the control switch contacts are clos...

Страница 23: ...IN LED is off replace CB If WTRIN LED is on and WV is not energized check for 24VAC at CB K2 8 O to a neutral LBU If 24VAC is not present on CB K2 8 O replace CB WTRIN LED turns off once UFS closes If not confirm UFS status See II F Float Switch Check and Cleaning If UFS is closed and WTRIN LED is on replace CB If WTRIN LED is off and WV is open check for 24VAC at CB K2 8 O If 24VAC is present at ...

Страница 24: ...power switch If COMP LED is not on after 5 min ice purge timer terminates replace CB When COMP LED turns on PDS energizes If COMP LED is on and PDS does not energize check for 115VAC between CB X1 relay violet V wire and a neutral W If 115VAC is not present confirm X1 relay black BK to a neutral W If 115VAC is present on X1 relay black BK and not on X1 relay violet V replace CB 8 Refill WTRIN LED ...

Страница 25: ...Compressor Control Relay Circuit 5 6 white orange High Pressure Switch not used on this model 3 4 yellow Control Switch 1 2 white black Inlet Water Valve 8 o POWER OK LED Control Transfomer 24VAC Neutral 2 light blue Lower Float Switch 7 blue Float Switch Common 5 black 5VDC S1 Dip Switch Control Transformer 24VAC Input 9 white red K9 Connector 5VDC K8 Connector 24VAC and 5VDC K7 Connector Open K2...

Страница 26: ...n the ICE position then plug the icemaker into the electrical outlet 6 Move the power switch to the ON position to start the automatic icemaking process Check that BC green LED is on The BC green LED confirms 20VDC from CB to BC and remains on constantly Diagnosis If the BC green LED is not on confirm 20VDC at CB K6 pin 1 DBU to CB K6 pin 3 BR If 20VDC is present and the BC green LED is off replac...

Страница 27: ...after BC shutdown delay timer terminates and the 5 min ice purge timer terminates replace CB 9 Remove the object covering the lens If you removed BC housing from the base replace it in its correct position and secure it with the thumbscrew 10 Move the power switch to the OFF position then unplug the appliance from the electrical outlet 11 Replace the control box cover in its correct positions 12 P...

Страница 28: ...ol board then supplies 5VDC to the control switch for unit operation 2 Control Switch The control switch has 2 positions ICE and DRAIN When the control switch is in the ICE position open icemaking begins When the control switch is in the DRAIN position closed the drain valve energizes a ICE When the control switch is in the ICE position the control board reads an open circuit through the control s...

Страница 29: ... Float Switch Cleaning After cleaning FS check UFS and LFS again Replace if necessary 8 Reconnect FS connector to CB K8 connector 9 Plug the appliance into the electrical outlet then move the power switch to the ON position and let the water reservoir fill 10 Once the reservoir is full and GM starts move the power switch to the OFF position 11 Unplug the appliance from the electrical outlet 12 Dis...

Страница 30: ...ly with a mixture of 1 part Hoshizaki Scale Away and 25 parts warm water Rinse the assembly thoroughly with clean water 5 While not necessary the floats can be removed from the shaft during cleaning If you remove them note that the blue float is on top UFS and the white float is on bottom LFS The floats must be installed with the magnets inside them towards the top of the switch See Fig 4 Installi...

Страница 31: ... a OFF position b Bad contacts 4 Control Transformer 115VAC 24VAC a Coil winding open or shorted 5 1A Fuse Control Box a Blown 6 Control Board See II C Control Board Check a In alarm b Defective 7 Control Switch a In DRAIN position b Bad contacts 8 BC infrared sensor a No power lens dirty or defective b Control board dip switch 7 off Fill Cycle 1 Control Board a No power to inlet water valve b No ...

Страница 32: ...icted 7 Magnetic Contactor a Defective 8 Condensing Unit Fan Motor s a Defective capacitor b Fan blade binding c Defective 9 Compressor a Start or run capacitor defective b Start relay defective c Defective 10 Refrigerant Line a Gas leaks b Refrigerant line or component restricted 11 Thermostatic Expansion Valve TXV not adjustable a Defective 12 Evaporator a Dirty b Damaged or defective 13 Headmas...

Страница 33: ... Bin Control Check a Dirty lens b Defective c Control board no power to IS 2 Control Board a Control board dip switches set incorrectly b In alarm c Defective Drain Cycle 1 Drain Valve a Screen or orifice clogged b Defective 2 Control Board a Defective ...

Страница 34: ...fully The control board contains integrated circuits which are susceptible to failure due to static discharge It is especially important to touch the metal part of the icemaker before handling or replacing the control board Do not touch the electronic devices on the control board or the back of the control board Do not change wiring and connections Do not misconnect terminals Do not short out powe...

Страница 35: ...essor Control Relay Circuit 5 6 white orange High Pressure Switch not used on this model 3 4 yellow Control Switch 1 2 white black Inlet Water Valve 8 white brown POWER OK LED Control Transformer 24VAC Neutral 2 light blue Lower Float Switch 7 blue Float Switch Common 5 black 5VDC S1 Dip Switch Control Transformer 24VAC Input 9 white red K9 Connector 5VDC K8 Connector 24VAC and 5VDC K7 Connector O...

Страница 36: ...tch In DRAIN position longer than 15 min Automatic reset once the control switch is moved to the ICE position 3 High Pressure Switch N A on this model N A 4 High Pressure Switch N A on this model 5 Freeze Timer FZT WV off 30 min since last WV activation Manual reset Turn power off and on again 6 Low Voltage 92VAC 5 or less CB green POWER OK LED turns off if voltage protection operates The control ...

Страница 37: ... dip switch settings are factory set to the following positions S1 Dip Switch Model S1 Dip Switch No 1 2 3 4 5 6 7 8 9 10 FS 1001MLJ C ON OFF OFF OFF OFF OFF ON ON OFF OFF FS 1022MLJ C FS 1500MLJ C Bin Control Shutdown Delay BC infrared sensor Continuous Dispensing Timer DCM models only do not adjust on modular icemakers Drain Frequency Control Bin Control Selector Bin Control BC mechanical stand ...

Страница 38: ...nsor Shutdown Delay No 1 No 2 No 3 OFF OFF OFF 0 Seconds ON OFF OFF 100 Seconds 1 6 minutes Factory Default OFF ON OFF 1100 Seconds 18 3 minutes OFF OFF ON 1650 Seconds 27 5 minutes ON ON OFF 2200 Seconds 36 7 minutes OFF ON ON 0 Seconds ON ON ON 0 Seconds 3 Drain Frequency Control S1 dip switch 4 The appliance is factory set for optimum performance with the 1 in 1 drain cycle This setting allows ...

Страница 39: ...ackup 30 seconds 6 BC Mech Stand Alone or Backup only Shutdown Delay S1 dip switch 8 Not available when S1 dip switch 7 is on Factory set for normal operation No adjustment is required This appliance does not utilize a mechanical bin control S1 Dip Switch Setting Mechanical Bin Control Shutdown Delay No 8 OFF 0 25 Seconds ON 6 7 Seconds 7 Shutdown Sequence S1 Dip Switch 9 Factory set for optimum p...

Страница 40: ...ormation WARNING Repairs requiring the refrigeration circuit to be opened must be performed by properly trained and EPA certified service personnel Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG Do not use R 404A as a mixture with pressurized air...

Страница 41: ... flow When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 2 Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG Do not use R 404A as a mixture with pressurized air for ...

Страница 42: ...service cylinder on the scales if the service cylinder is not equipped with a dip tube invert the service cylinder then place it on the scales Open the high side valve on the gauge manifold 7 Allow the system to charge with liquid until the proper charge weight is met 8 If necessary add any remaining charge to the system through the low side NOTICE To prevent compressor damage use a throttling val...

Страница 43: ...listed below Torque for F 1001 and Smaller 11 1 ft lb 15 N m Torque for F 1500 and Larger 25 8 ft lb 35 N m Tighten 2 times Allow at least 5 sec in between each tightening Component Notes Compressor Install a new drier start capacitor and start relay Upper and Lower Bearings Inspect the upper bearing for wear See IV B 1 Upper Bearing Wear Check Replace if necessary When replacing the upper bearing...

Страница 44: ...r Motor Barrier Lower Housing O Ring Mechanical Seal Spline Coupling Hex Bolt and Washer Socket Head Cap Screw and Split Lock Washer Lower Bearing pressed into lower housing Truss Head Screw w Rubber Washer Fig 6 Welded Drip Pan Washer Evaporator Flange Extruding Head Cutter Upper Bearing pressed into auger O Ring Evaporator Heater ...

Страница 45: ... Cap Screw and Split Lock Washer Gear Motor Gear Motor Barrier Lower Housing O Ring Mechanical Seal Spline Coupling Hex Bolt and Washer Socket Head Cap Screw and Split Lock Washer Lower Bearing pressed into lower housing Truss Head Screw w Rubber Washer Drip Pan Flange Extruding Head Cutter Upper Bearing pressed into auger O Ring ...

Страница 46: ...he extruding head and lower housing are located later in this procedure Note Replacing the bearing requires a bearing press adaptor If one is not available replace the whole extruding head and lower housing 6 Replace the washer if applicable cutter and cutter bolt if applicable 7 Replace the spout 8 Replace the top and side panels in their correct positions 9 Plug the unit into the electrical outl...

Страница 47: ...bolts and lift off the extruding head 6 Place the new extruding head in place and tighten down with new seal bolts See Seal Bolt Removal and Installation Instructions above 7 Replace the washer if applicable cutter cutter bolt if applicable and spout 8 Replace the top and side panels in their correct positions 9 Move the control switch to the ICE position 10 Plug the unit into the electrical outle...

Страница 48: ... position b Move the control switch to the DRAIN position c Move the power switch to the ON position and allow the water to drain from the evaporator d Move the power switch to the OFF position then turn off the power supply 2 Remove the top and side panels 3 Recover the refrigerant and store it in an approved container 4 Remove the strap connecting the spout to the chute assembly then remove the ...

Страница 49: ...anels in their correct positions 19 Move the control switch to the ICE position 20 Plug the unit into the electrical outlet then move the power switch to the ON position to start the automatic icemaking process 21 Replace the front panel in its correct position 6 Removal and Replacement of Mechanical Seal and Lower Housing 6a Mechanical Seal 1 Drain the water from the evaporator a Remove the front...

Страница 50: ...d cap screws and split lock washers 13 Install the auger assembly with the upper part of the mechanical seal attached 14 Replace the removed parts in the reverse order of which they were removed Note Be sure to use new seal bolts See Seal Bolt Removal and Installation Instructions earlier in this section 15 Replace the top and side panels in their correct positions 16 Move the control switch to th...

Страница 51: ... and reconnect the electrical wires 9 Replace the removed parts in the reverse order of which they were removed 10 Replace the top and side panels in their correct positions 11 Move the control switch to the ICE position 12 Plug the unit into the electrical outlet then move the power switch to the ON position to start the automatic icemaking process 13 Replace the front panel in its correct positi...

Страница 52: ...or control switch with damp hands Before Servicing FS Move the icemaker s power switch to the OFF position Unplug the icemaker from the electrical outlet SRC Turn off the power supply to the remote condensing unit Place the disconnect if applicable in the off position Lockout Tagout to prevent the power supply from being turned back on inadvertently CHOKING HAZARD Ensure all components fasteners a...

Страница 53: ...r to rinse Icemaker and Dispenser Unit Ice Storage Bin Drains Check to make sure they are clear Extruding Head Seal Bolts Inspect for leakage around seal bolts Tighten see torque values below or replace as necessary Seal bolts must be replaced once removed because seal material is one time use only If new seal bolts do not have preapplied threadlocker apply Loctite 243 or equivalent threadlocker t...

Страница 54: ...posal The appliance contains refrigerant and must be disposed of in accordance with applicable national state and local codes and regulations Refrigerant must be recovered by properly certified service personnel ...

Страница 55: ...8 lbs day kg day 100 38 658 298 638 289 597 271 APPROXIMATE ELECTRIC 70 21 4293 4418 4543 CONSUMPTION 80 26 4668 4792 4917 90 32 5042 5167 5496 watts 100 38 5825 6154 6483 APPROXIMATE WATER 70 21 102 387 101 383 98 372 CONSUMPTION PER 24 HR 80 26 95 360 92 349 89 339 TOTAL 90 32 87 328 86 327 81 308 gal day l day 100 38 79 299 77 290 72 271 EVAPORATOR OUTLET TEMP 70 21 13 11 14 10 14 10 F C 80 26 ...

Страница 56: ...56 2 FS 1022MLJ C with SRC 10J DATA PENDING ...

Страница 57: ...57 3 FS 1500MLJ C with SRC 14J DATA PENDING ...

Страница 58: ...58 B Wiring Diagrams 1 FS 1001MLJ C and FS 1022MLJ C ...

Страница 59: ...59 2 FS 1500MLJ C DATA PENDING ...

Страница 60: ...t 384 22 PSIG Cut in 284 22 PSIG 0 Safety Low Pressure Switch Manual Reset Cut out 3 2 5 PSIG Differential 6 PSIG Control Low Pressure Switch Cut in 29 0 PSIG Differential 20 1 0 PSIG Cut out 9 PSIG 0 5 0 5 3 SRC 10J Condensing Unit ...

Страница 61: ...61 4 SRC 14J Condensing Unit DATA PENDING ...

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