Hoshizaki MODULAR CUBELET SERENITY SERIES FS-1022MLH-C Service Manual Download Page 59

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Specificaiton Sheet

AC SUPPLY VOLTAGE

115/60/1

GEAR MOTOR

120 V

3 FLA

200 Watts

OTHER

120 V

0.03A

MAXIMUM FUSE SIZE

15 A

MAX. HACR BREAKER (USA ONLY)

15 A

MAX. CIRC. BREAKER (CANADA ONLY) 15 A

MINIMUM CIRCUIT AMPACITY

15 A

ELECTRIC & WATER CONSUMPTION

90/70°F

70/50°F

ELECTRIC W (kWH/100 lbs.)

1745 (6.26)

1713 (4.94) FS-1022MLH-C & SRC-10H

ELECTRIC W (kWH/100 lbs.)

331 (1.13)

345 (1.00) FS-1022MLH-C ONLY

WATER gal./24HR (gal./100 lbs.)

84 (12)

100 (12)

BIN CONTROL SYSTEM (Primary)

Photoelctric Sensor (BC1 (Infrared Sensor))

BIN CONTROL SYSTEM (Secondary)

Proximity Switch (BC2 (Mechanical))

CONDENSING UNIT

Air-Cooled Remote Condensing Unit SRC-10H Required

TOTAL REFRIGERANT CHARGE

With RS COMPRESSOR

R-404A, 8 lb. 6 oz. (3800g) (Icemaker: 4 oz., Cond. Unit: 8 lb. 2 oz.)

With RST COMPRESSOR

R-404A, 9 lb. 1 oz. (4100g) (Icemaker: 4 oz., Cond. Unit: 8 lb. 13 oz.)

Auto-Reset High-Pressure Switch; Manual-Reset Low-Pressure Switch

Performance Data Sheet

APPROXIMATE

Ambient

ICE PRODUCTION

Temp. °F (°C)

PER 24 HR.

70 (21)

*832

378

803

365

784

356

80 (26)

765

347

747

340

729

331

90 (32)

712

324

*703

320

679

309

lbs./day l/day

100 (38)

663

301

647

294

*600

273

APPROXIMATE ELECTRIC

70 (21)

*1713

1717

1722

CONSUMPTION

80 (26)

1727

1731

1736

90 (32)

1740

*1745

1760

watts

100 (38)

1775

1789

*1804

APPROXIMATE WATER

70 (21)

*100

377

364

356

CONSUMPTION PER 24 HR.

80 (26)

347

339

331

90 (32)

323

*84

319

308

gal./day l/day

100 (38)

301

293

*72

272

EVAPORATOR OUTLET TEMP.

70 (21)

*14

-10

-10

°F °C

80 (26)

-10

-9

90 (32)

-9

*16

-9

-8

100 (38)

-8

*18

-8

HEAD PRESSURE

70 (21)

*224

15.7

224

15.7

224

15.7

PSIG kg/sq.cmG

80 (26)

233

16.4

233

16.4

233

16.4

90 (32)

242

17.0

*242

17.0

242

17.0

100 (38)

279

19.6

279

19.6

*279

19.6

SUCTION PRESSURE

70 (21)

*29

2.0

2.0

PSIG kg/cm²G

80 (26)

2.1

90 (32)

2.2

*31

2.2

2.2

100 (38)

2.3

*33

2.3

10,500 BTU/hr [AT 90°F/WT 70°F]

REFRIGERANT CIRCUIT PRESSURE

PROTECTION in SRC-10H

HEAT OF REJECTION FROM CONDENSING UNIT

50 (10)

70 (21)

90 (32)

HEAT OF REJECTION FROM ICEMAKING UNIT

1,130 BTU/hr [AT 90°F/WT 70°F]

Water Temp. °F (°C)

ENG.F-013.0.1196

2. FS-1022MLH-C with SRC-10H

Summary of Contents for MODULAR CUBELET SERENITY SERIES FS-1022MLH-C

Page 1: ...www hoshizaki com Models FS 1001MLH C with SRC 10H FS 1022MLH C with SRC 10H FS 1500MLH C with SRC 14H Modular Cubelet Serenity Series with F A Control Board Hoshizaki America Inc Number 73203 Issued...

Page 2: ...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 q...

Page 3: ...own 13 B Service Diagnosis 14 C Control Board Check 22 D Bin Control Check 27 E Float Switch Check and Cleaning 31 F Diagnostic Tables 33 III Controls and Adjustments 36 A Control Board 36 1 Control B...

Page 4: ...ation 58 A Specification and Performance Data 58 1 FS 1001MLH C with SRC 10H 58 2 FS 1022MLH C with SRC 10H 59 3 FS 1500MLH C with SRC 14H 60 4 SRC 10H and SRC 14H 61 B Wiring Diagram 62 1 Icemaker 62...

Page 5: ...c 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 accordanc...

Page 6: ...led 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 dis...

Page 7: ...erating 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 prepa...

Page 8: ...l Box BC2 mechanical backup Spout Float Switch Gear Motor Thermostatic Expansion Valve Ice Chute BC1 infrared sensor Cutter Extruding Head Evaporator Power Cord Drain Valve High Side Service Valve Low...

Page 9: ...essure Switch b SRC 14H 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...

Page 10: ...Seal O Ring Housing and Lower Bearing Spline Coupling Gear Motor Hex Bolt and Washer Evaporator Seal Bolts and Washers Socket Head Cap Screw and Split Lock Washer Socket Head Cap Screw and Split Lock...

Page 11: ...r Supply Line Liquid Line Drier Pump Down Solenoid Valve Drain Outlet Compressor Safety Low Pressure Switch Fan Motors Condenser Headmaster C P R High Pressure Switch Low Side Service Valves High Side...

Page 12: ...Although the factory 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...

Page 13: ...Chart Shutdown 1 Bin Full All Components de energized BC2 de activated closed BC2 activated open 2 Icemaker Off 3 Icemaker Restart Ice level lowered 2 BC2 mechanical backup Shutdown When BC2 is activa...

Page 14: ...d 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 Chec...

Page 15: ...ypassed 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...

Page 16: ...n CB K8 3 GY and CB K8 4 GY If 5VDC is not present when BC2 is open replace CB Return actuator to its normal position 7 Fill Cycle WTRIN LED is on Reservoir is empty and LFS and UFS are open FT starts...

Page 17: ...oir drops UFS 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 terminat...

Page 18: ...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 re...

Page 19: ...or 24VAC If 24VAC is present on CB K2 9 W R and not on CB K2 8 W BR replace CB If 24VAC is present on CB K2 8 W BR check continuity through WV solenoid If open replace WV If WV is energized and refill...

Page 20: ...evaporator and reservoir To avoid the 5 min shutdown delay turn off the power supply then move the control switch to the DRAIN position Turn on the power supply DV energizes to drain the evaporator a...

Page 21: ...the icemaker and sounds a 9 beep alarm Diagnosis See II D 2 Bin Control 2 mechanical backup Check Legend BC1 bin control 1 infrared sensor BC2 bin control 2 mechanical backup CB control board CCH cra...

Page 22: ...eck 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 B...

Page 23: ...tor and CB 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 pi...

Page 24: ...opens during normal operation WTRIN LED turns on fill timer FT starts freeze timer FZT terminates only during normal operation and WV energizes If LFS is open and WTRIN LED is off confirm LFS status...

Page 25: ...r 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 dark blue DBU wire and a neutral W I...

Page 26: ...4 gray 5VDC Compressor Control Relay Gear Motor Protect 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...

Page 27: ...remove the housing from the base See Fig 3 5 Make sure the control switch is in the ICE position then plug the icemaker into the electrical outlet 6 Move the power switch to the ON position to start...

Page 28: ...w LED is not on after covering the lens replace BC1 If the appliance remains on after BC1 shutdown delay timer terminates and the 5 min ice purge timer terminates replace CB If BC1 fails to shut down...

Page 29: ...ice fills the chute and engages the actuator paddle BC opens and CB shuts down the icemaker within 10 sec 1 Remove the front and top panels 2 Move the power switch to the OFF position then unplug the...

Page 30: ...ke ice replace CB If BC 2 is closed with the actuator paddle engaged replace BC 2 8 Move the power switch to the OFF position then unplug the appliance from the electrical outlet 9 Replace the chute a...

Page 31: ...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 swi...

Page 32: ...y 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...

Page 33: ...r Switch 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 Defecti...

Page 34: ...manual reset a Refrigerant pressure too low b Defective 6 High Pressure Switch a Dirty condenser b Fan s not operating c Ambient temperature too warm d Refrigerant overcharged e Refrigerant line or c...

Page 35: ...ntrol 1 infrared sensor Check a Dirty lens b Defective c Control board no power to IS 2 Bin Control 2 mechanical backup See II D 2 Bin Control 2 mechanical backup Check a Tripped with bin filled with...

Page 36: ...ully 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 repla...

Page 37: ...cal backup 3 4 gray 5VDC Compressor Control Relay Gear Motor Protect 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 Va...

Page 38: ...r supply is restored and UFS closes 2 Control Switch 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...

Page 39: ...ormance and warranty coverage For more information contact your Hoshizaki Certified Service Representative 1 Default Dip Switch Settings The S1 dip switch settings are factory set to the following pos...

Page 40: ...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 Sec...

Page 41: ...unit applications This could lead to icemaker movement or ice overflow S1 Dip Switch Setting Bin Control Application Gear Motor Delay No 7 OFF BC mechanical stand alone Standard Ice Storage Bins Only...

Page 42: ...l 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 begi...

Page 43: ...rmation 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 ch...

Page 44: ...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 f...

Page 45: ...ervice 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...

Page 46: ...sted 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 Ins...

Page 47: ...Cap Screw and Split Lock Washer Washer Upper Bearing pressed into auger Lower Bearing pressed into lower housing Truss Head Screw w Rubber Washer Fig 7 Dowel Pin FS 1500MLH C Extruding Head Cutter FS...

Page 48: ...or Barrier Lower Housing O Ring Mechanical Seal Spline Coupling Hex Bolt and Washer Socket Head Cap Screw and Split Lock Washer Upper Bearing pressed into auger Lower Bearing pressed into lower housin...

Page 49: ...e 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 ho...

Page 50: ...olts 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 appl...

Page 51: ...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 tu...

Page 52: ...nels 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 icemakin...

Page 53: ...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 B...

Page 54: ...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...

Page 55: ...r 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 con...

Page 56: ...ns Repeat with a cup of clean water 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 Tighte...

Page 57: ...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...

Page 58: ...re Switch Performance Data Sheet APPROXIMATE Ambient ICE PRODUCTION Temp F C PER 24 HR 70 21 832 378 803 365 784 356 80 26 765 347 747 340 729 331 90 32 712 324 703 320 679 309 lbs day kg day 100 38 6...

Page 59: ...DUCTION Temp F C PER 24 HR 70 21 832 378 803 365 784 356 80 26 765 347 747 340 729 331 90 32 712 324 703 320 679 309 lbs day l day 100 38 663 301 647 294 600 273 APPROXIMATE ELECTRIC 70 21 1713 1717 1...

Page 60: ...1268 575 1215 551 90 32 1163 528 1165 528 1067 484 lbs day kg day 100 38 1022 464 979 444 906 411 APPROXIMATE ELECTRIC 70 21 2097 2101 2104 CONSUMPTION 80 26 2108 2111 2115 90 32 2118 2122 2129 watts...

Page 61: ...CHARGE With RS COMPRESSOR R 404A 8 lb 6 oz 3800g Icemaker 4 oz Cond Unit 8 lb 2 oz With RST COMPRESSOR R 404A 9 lb 1 oz 4100g Icemaker 4 oz Cond Unit 8 lb 13 oz SRC 14H Specification Sheet AC SUPPLY V...

Page 62: ...62 B Wiring Diagram 1 Icemaker...

Page 63: ...ressure Switch Cut out 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...

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