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 WARNING

Only qualified service technicians should install and service the appliance. To 
obtain the name and phone number of your local Hoshizaki Certified Service 
Representative, visit www.hoshizaki.com. No installation or service should be 
undertaken until the technician has thoroughly read this Instruction Manual. 
Likewise, the owner/manager should not proceed to operate the appliance until the 
installer has instructed them on its proper operation. Failure to install, operate, and 
maintain the appliance in accordance with this manual will adversely affect safety, 
performance, component life, and warranty coverage and may result in costly water 
damage. Proper installation is the responsibility of the installer. Product failure or 
property damage due to improper installation is not covered under warranty.

Hoshizaki provides this manual primarily to assist qualified service technicians in the 
installation, maintenance, and 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: 1-800-233-1940; (770) 487-2331
Fax: 1-800-843-1056; (770) 487-3360

E-mail: [email protected]

618 Highway 74 South
Peachtree City, GA 30269
Attn: Hoshizaki Technical Support Department

NOTE: 

To expedite assistance, all correspondence/communication MUST include the 

following information:

• Model Number                                                        

• Serial Number                                                         

• Complete and detailed explanation of the problem.

Summary of Contents for F-1002MLJZ-C

Page 1: ...Models F 1002MRJZ C SC MLJZ C FD 650MRJZ C FD 1002MRJZ C CB Modular Flaker Instruction Manual Issued 8 17 2021 hoshizakiamerica com...

Page 2: ...per installation is the responsibility of the installer Product failure or property damage due to improper installation is not covered under warranty Hoshizaki provides this manual primarily to assist...

Page 3: ...18 F Water Supply and Drain Connections 19 1 Icemaker 20 2 Water Cooled Condenser 21 G Remote Condenser Unit Installation 23 1 Location 23 2 Checks Before Installation 24 3 Setup 24 4 Line Set Size an...

Page 4: ...ntrol Check 37 1 Infrared Sensor Check 37 2 Mechanical Backup Bin Control Check 39 3 Infrared Sensor Shutdown Delay 40 L Alarm Safeties 41 III Maintenance 42 A Maintenance Schedule 43 B Cleaning and S...

Page 5: ...ualified service technicians should install and service the appliance The appliance must be installed in accordance with applicable national state and local codes and regulations Electrical connection...

Page 6: ...re supplied from the icemaker Failure to properly ground the remote condenser unit could result in death or serious injury Wire routing conduit and disconnect if required must meet national state and...

Page 7: ...115V 0 03A Maximum Fuse Size 15 AMPS Max HACR Breaker USA Only 15 AMPS Max Circuit Breaker Canada Only 15 AMPS Minimum Circuit Ampacity 15 AMPS Design Pressure HI 427PSI LO 230PSI Refrigerant 404A 13...

Page 8: ...an in URC Other 115V 0 03A 115V 0 03A 115V 0 53A 115V 0 53A Maximum Fuse Size 20 AMPS 20 AMPS 20 AMPS 15 AMPS Max HACR Breaker USA Only 20 AMPS 20 AMPS 20 AMPS 15 AMPS Max Circuit Breaker Canada Only...

Page 9: ...PSI HI 427PSI LO 230PSI HI 467PSI LO 230PSI Refrigerant 404A 12 4 OZ 404A 15 0 OZ 404A Total Refrigerant Charge with Hoshizaki Remote Condenser Unit URC 5FZ 4 LB 1 2 OZ 5 FD 1002M_J Z C CB Single Phas...

Page 10: ...6 5 8 169 6 5 8 H 22 7 8 24 15 16 24 15 16 I 42 1 5 8 35 1 3 8 37 1 1 2 J 64 2 1 2 67 2 5 8 64 2 1 2 K 672 26 7 16 675 26 9 16 587 23 182 L 695 27 3 8 694 27 3 8 607 24 M 260 10 3 16 NA 280 11 N 28 1...

Page 11: ...4 N 675 26 9 16 587 23 1 8 O 694 27 3 8 607 24 Q NA 280 11 R NA 28 1 1 8 S NA 324 12 11 16 T NA 106 4 3 16 Rear Side Bottom F 801 and F 1002 Model Shown F 801MWJ Model Shown F 801MWJ Model Shown F 80...

Page 12: ...15 16 659 25 15 16 659 25 15 16 E 599 23 9 16 599 23 9 16 599 23 9 16 F 575 22 5 8 575 22 5 8 575 22 5 8 G 169 6 5 8 169 6 5 8 169 6 5 8 H 24 15 16 23 7 8 23 7 8 I 35 1 3 8 43 1 3 4 43 1 3 4 J 65 2 1...

Page 13: ...Data Pending M Data Pending Units mm in Rear Side Bottom NOTICE Allow 6 15 cm clearance at rear and sides for proper air circulation and ease of maintenance and or service should they be required Allo...

Page 14: ...ction AT 90 F 32 C WT 70 F 21 C F 1002MRJZ 8 600 BTU hr F 1002MRJZ C 8 500 BTU hr F 1002MRJZ SC 8 900 BTU hr FD 650MRJZ C 5 900 BTU hr FD 1002MRJZ C CB 8 500 BTU hr NOTICE Allow 24 61 cm clearance at...

Page 15: ...ture is going to go below 32 F 0 C See IV Preparing the Appliance for Periods of Non Use The icemaker should not be located next to ovens grills or other high heat producing equipment Allow 6 15 cm cl...

Page 16: ...nected to an appropriate remote condenser unit The remote condenser units listed below are recommended Connection to a different remote condenser unit will void the warranty unless Hoshizaki approves...

Page 17: ...t to rear directions If using an ice storage bin adjust the ice storage bin legs to level 5 Place the icemaker on top of the dispenser unit ice storage bin 6a Dispenser Unit Follow the dispenser unit...

Page 18: ...ee Fig 3 Additional Warnings for Remote Models THE REMOTE CONDENSER UNIT MUST BE GROUNDED Power supply and ground wire to the remote condenser unit are supplied from the icemaker See II G 6 Electrical...

Page 19: ...ay be required depending on water quality Contact your local Hoshizaki Certified Service Representative or local Hoshizaki distributor for recommendations A plumbing permit and services of a licensed...

Page 20: ...ne for the appliance to be pulled out for service Fig 4 Icemaker Icemaker Water Supply Inlet 1 2 FPT Bin Drain Outlet 3 4 FPT 2 5 cm air gap Floor Drain Icemaker Drain Outlet 3 4 FPT Ice Storage Bin M...

Page 21: ...freeze cycle starts If the condenser drain outlet temperature is not in the proper range use a flat blade screwdriver to rotate the adjustment screw on the water regulating valve until the temperatur...

Page 22: ...be in the 104 F to 115 F 40 C to 46 C range Once the icemaker installation is complete confirm the condenser return outlet temperature 5 minutes after a freeze cycle starts If the condenser return out...

Page 23: ...use Normal operating ambient temperature must be within 20 F to 122 F 29 C to 50 C Operation of the remote condenser unit for extended periods outside of this normal temperature range may affect appli...

Page 24: ...Size and Refrigerant Charge NOTICE The icemaker line set and remote condenser unit must contain the same type of refrigerant Mixing of refrigerants will result in improper operation and possible damag...

Page 25: ...1 Route the factory line set or appropriate size copper tubing When field fabricating insulate the copper tubes separately Leave a service loop behind the icemaker to allow the icemaker to be pulled...

Page 26: ...tube and the straight copper tube to the condenser unit liquid line service valve 8 Braze the condenser unit discharge line to the condenser unit discharge line service valve 9 Allow the service valv...

Page 27: ...d line copper tube to the icemaker liquid line service valve NOTICE Before brazing remove the Schrader valve cores from the service valve access ports When brazing protect the service valve by using a...

Page 28: ...line set tubing through the service valve access ports if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG WARNING Do not use R 404A as a mixture with pressuri...

Page 29: ...or serious injury Install line and neutral wires from the fan motor leads in the icemaker fan motor junction box to the leads in the remote condenser unit junction box Use wire of an appropriate gage...

Page 30: ...5 Replace the junction box covers and the louver panel in their correct positions 7 Stacking Remote Condenser Unit 1 Install the lower remote condenser unit as described earlier in this section 2 Pla...

Page 31: ...nt Mixing of refrigerants will result in improper operation and possible damage to the refrigeration system Ensure that there are no traps and no kinks in the line set The service loop is not consider...

Page 32: ...es from the icemaker service valves Next remove the straight copper tube from the icemaker accessory bag and place it in the icemaker liquid line service valve with the smaller end of the straight cop...

Page 33: ...efrigerant as a mixture with pressurized air for leak testing 9 After checking the line set for leaks vent the line set nitrogen charge Next open both icemaker service valves and vent the icemaker nit...

Page 34: ...ines sized as specified Are the water supply line shut off valve s and drain valve s installed Has the water supply pressure been checked to ensure a minimum of 10 PSIG and a maximum of 113 PSIG 8 Is...

Page 35: ...trol been set to the proper setting for the application 2 Has the bin control operation been confirmed 3 Are all components fasteners and thumbscrews securely in place 4 Has the end user been given th...

Page 36: ...to produce ice allow it to run for another 30 minutes On water cooled models confirm proper condenser drain outlet return outlet temperature as outlined in II F 2 Water Cooled Condenser On low side r...

Page 37: ...rd S1 dip switch 1 2 and 3 are in the proper position for your application See II K 3 Infrared Sensor Shutdown Delay 4 Move the control switch to the ICE position then move the power switch to the ON...

Page 38: ...e nears After the yellow LED turns on flashing or steady the infrared sensor shutdown delay timer starts S1 dip switch 1 2 3 factory default is 100 sec Comp LED turns off after the shutdown delay time...

Page 39: ...ctuator located in the top of the chute assembly GM LED and COMP LED turn off within 10 seconds and the control board sounds a 9 beep alarm Release the actuator 7 Move the power switch to the OFF posi...

Page 40: ...dispenser agitation or dispense method Should a different shutdown delay be desired adjust S1 dip switch 1 2 and 3 to obtain the shutdown delay needed See the table below For further details contact H...

Page 41: ...l switch is moved to the ICE position 3 High Pressure Switch First and second activation in 1 hr Automatic reset once pressure drops below the high pressure threshold and the high pressure switch clos...

Page 42: ...being turned back on inadvertently CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place after any maintenance is done to the appliance Make sure that none have fallen i...

Page 43: ...pans 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 Tigh...

Page 44: ...n remove the front panel Make sure the power switch is in the ON position then move the control switch to the DRAIN position Replace the front panel in its correct position 3 Turn on the power supply...

Page 45: ...r supply then remove the front panel Move the control switch to the ICE position then replace the front panel in its correct position 16 Open the icemaker water supply line shut off valve then turn on...

Page 46: ...installing the baffles make sure that the bent surface the one without the studs faces the actuator so that the bent surface can guide the ice to the center of the actuator 12 Move the control switch...

Page 47: ...ter supply line shut off valve then turn on the power supply to supply water to the reservoir 12 After the gear motor starts turn off the power supply Remove the front panel then move the control swit...

Page 48: ...he power supply 7 Blow the icemaker water line out using the compressed air or carbon dioxide supply 8 Close the icemaker water supply line drain valve 2 Drain the evaporator 1 Turn off the power supp...

Page 49: ...ine drain valve If connected to a closed loop system also open the condenser return line drain valve 4 Attach a compressed air or carbon dioxide supply to the condenser water supply line drain valve 5...

Page 50: ...sal 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 51: ...51 618 Hwy 74 South Peachtree City GA 30269 USA P 770 487 2331 F 770 487 3360 hoshizakiamerica com 1A6531 010...

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