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11

Icemaker
Model

URC-5F Heat of Rejection

AT 90°F (32°C)
WT 70°F (21°C)

KM-520MRJ

6,200 BTU/h

KM-660MRJ

8,100BTY/h

NOTICE

Allow 24" (61 cm) clearance at front
and rear for proper air circulation and
ease of maintenance and/or service
should they be required.

4. Remote Condenser Unit URC-5F (use with KM-520MRJ or KM-660MRJ)

Units: mm [in.]

Rear

Top

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Содержание KM-350MAJ

Страница 1: ...Models KM 350MAJ MWJ KM 520MAJ MWJ MRJ KM 660MAJ MWJ MRJ Modular Crescent Cuber Instruction Manual Issued 7 23 2018 Revised 4 17 2019 hoshizakiamerica com ...

Страница 2: ...oper 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 s...

Страница 3: ...mote Models MRJ 10 4 Remote Condenser Unit URC 5F use with KM 520MRJ or KM 660MRJ 11 II Installation and Operating Instructions 12 A Location 12 B Checks Before Installation 13 C How to Remove Panels 13 D Setup 14 E Electrical Connection 15 F Water Supply and Drain Connections 16 G Installation of Remote Condenser Unit for Remote Models 20 1 Location 20 2 Checks Before Installation 21 3 Setup 21 4...

Страница 4: ...dance with applicable national state and local codes and regulations Electrical connection must be hard wired and must meet national state and local electrical code requirements Failure to meet these code requirements could result in death electric shock serious injury fire or damage The appliance requires an independent power supply of proper capacity See the nameplate for electrical specificatio...

Страница 5: ... and disconnect if required must meet national state and local electrical code requirements Failure to meet these code requirements could result in death electric shock serious injury fire or damage NOTICE Follow the water supply drain connection and maintenance instructions carefully to reduce the risk of costly water damage In areas where water damage is a concern install in a contained area wit...

Страница 6: ...Canada Only 15 AMPS 15 AMPS Minimum Circuit Ampacity 15 AMPS 15 AMPS Design Pressure HI 467PSI LO 250PSI HI 427PSI LO 250PSI Refrigerant 404A 1 LB 3 4 OZ 404A 11 6 OZ 2 KM 520M_J Single Phase Model Number KM 520MAJ KM 520MWJ KM 520MRJ AC Supply Voltage 115 60 1 115 60 1 115 60 1 Compressor 115V 8 9RLA 54 5LRA 115V 7 8RLA 54 5LRA 115V 8 4RLA 54 5LRA Pump 120V 0 5FLA 10W 120V 0 5FLA 10W 120V 0 5FLA ...

Страница 7: ... 120V 3A MAX Other 115V 0 15A 115V 0 15A 115V 0 15A Maximum Fuse Size 20 AMPS 20 AMPS 20 AMPS Max HACR Breaker USA Only 20 AMPS 20 AMPS 20 AMPS Max Circuit Breaker Canada Only 20 AMPS 20 AMPS 20 AMPS Minimum Circuit Ampacity 20 AMPS 20 AMPS 20 AMPS Design Pressure HI 467PSI LO 250PSI HI 467PSI LO 250PSI HI 467PSI LO 250PSI Refrigerant 404A 1 LB 9 8 OZ 404A 15 2 OZ R404A Total Refrigerant Charge wi...

Страница 8: ...J Units mm in Rear Side Bottom NOTICE Allow 6 15 cm clearance at rear sides and top for proper air circulation and ease of maintenance and or service should they be required The storage bin opening must match the bottom opening as in the illustration ...

Страница 9: ...in NOTICE Allow 6 15 cm clearance at rear sides and top for proper air circulation and ease of maintenance and or service should they be required The storage bin opening must match the bottom opening as in the illustration Side Rear Bottom ...

Страница 10: ...Rear Side Bottom NOTICE Allow 6 15 cm clearance at rear sides and top for proper air circulation and ease of maintenance and or service should they be required The storage bin opening must match the bottom opening as in the illustration ...

Страница 11: ...C KM 520MRJ 6 200 BTU h KM 660MRJ 8 100BTY h NOTICE Allow 24 61 cm clearance at front and rear for proper air circulation and ease of maintenance and or service should they be required 4 Remote Condenser Unit URC 5F use with KM 520MRJ or KM 660MRJ Units mm in Rear Top ...

Страница 12: ...ormal operating ambient temperature must be within 45 F to 100 F 7 C to 38 C Normal operating water temperature must be within 45 F to 90 F 7 C to 32 C Operation of the icemaker for extended periods outside of these normal temperature ranges may affect icemaker performance The icemaker will not work at sub freezing temperatures To prevent damage to the water supply line drain the icemaker if the a...

Страница 13: ...n be installed on a dispenser unit or ice storage bin The ice storage bins listed below are recommended Model Number Bin Width Recommended Hoshizaki Ice Storage Bin KM 350M_J KM 520M_J KM 660M_J 22 or Wider B 300 Series For further options contact your local Hoshizaki distributor NOTICE Remote models must be connected to an appropriate remote condenser unit The remote condenser units listed below ...

Страница 14: ...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 adapter kit or top kit instructions for securing the icemaker If no instructions are available secure the icemaker using the mounting brackets provided Rotate the mounting brackets so that they fit flush to the dispenser ...

Страница 15: ...are supplied from the icemaker See II G 6 Electrical Connection Failure to properly ground the remote condenser unit could result in death or serious injury To reduce the risk of electric shock make all remote condenser unit connections before connecting the icemaker power supply NOTICE On remote models the appliance must have power for a minimum of 4 hours prior to startup to prevent compressor d...

Страница 16: ...External filters strainers or softeners may 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 plumber may be required in some areas The icemaker drain line dispenser unit ice storage bin drain line and water cooled condenser drain line if applicable mus...

Страница 17: ... and drain line for the appliance to be pulled out for service Fig 4 Model Shown KM 520MRJ Air Cooled and Remote Models Icemaker Water Supply Inlet 1 2 FPT Icemaker Drain Outlet 3 4 FPT Vent Tube Bin Drain Outlet 3 4 FPT Minimum 3 4 Nominal ID Hard Pipe or Equivalent Minimum 1 4 Nominal ID Copper Water Tubing or Equivalent Be sure there is sufficient extra water supply line and drain line for the ...

Страница 18: ...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 temperature is in the proper range rotate counterclockwise to raise temperature or clockwise to lower temperature Icemaker Ice Storage Bin Water Cooled Models Connection to an Open Drain System Fig 5 Model Shown KM 520MWJ Icemaker Wat...

Страница 19: ...mplete confirm the condenser return outlet temperature 5 minutes after a freeze cycle starts If the condenser return 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 temperature is in the proper range rotate counterclockwise to raise temperature or clockwise to lower temperature Shut Off Valve Icemaker...

Страница 20: ...ote condenser unit is intended for outdoor 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 appliance performance The maximum line length for the standard line sizes and refrigerant charge is 66 20 m With larger line sizes and or additional refrigerant t...

Страница 21: ... 4 Line Set 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 damage to the refrigeration system Line Set Size and Refrigerant Charge Hoshizaki Icemaker Hoshizaki Remote Condenser Unit Line Set Up to 66 20 m Line Set Greater than 66 20 m Maximum 100 30 5 ...

Страница 22: ...the male fitting and female coupling b Apply Polyol Ester POE refrigerant oil or Parker Super O Lube to the entire male fitting including O ring diaphragm and threads before making the connection See Fig 11 NOTICE Do not use thread sealant on the fittings Use POE refrigerant oil or Parker Super O Lube only Couplings are one time use only c Make sure the male fitting and female coupling are properl...

Страница 23: ...o the icemaker Leave a service loop behind the icemaker to allow the icemaker to be pulled out for service See Fig 11 NOTICE Ensure that there are no traps and no kinks in the line set The service loop is not considered an oil trap Do not coil extra line set Fabricate the line set to the proper length 2 Insulate the two copper tubes separately 3 Install Parker quick connect couplings on each end O...

Страница 24: ... ring diaphragm and threads before making the connection See Fig 12 NOTICE Do not use thread sealant on the fittings Use POE refrigerant oil or Parker Super O Lube only Couplings are one time use only c Make sure the male fitting and female coupling are properly aligned then start the connection by hand to ensure that it is not cross threaded d Place a backup wrench on the back of the female coupl...

Страница 25: ...ox to the leads in the remote condenser unit junction box Use wire of an appropriate gage and outdoor rating Do not connect the fan motor leads in the icemaker to incoming power source Do not connect the fan motor leads in the icemaker together Do not allow the leads to contact the junction box walls Do not connect the remote condenser unit to an external power source NOTICE On remote models the a...

Страница 26: ...condenser unit junction box Use wire of an appropriate gage and outdoor rating 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 Place the upper remote condenser unit on top of the lower remote condenser unit See Fig 14 3 Secure the upper remote condense...

Страница 27: ...re 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 the compressor snug on all mounting pads Have the refrigerant lines been checked to make sure they do not rub or touch other lines or surfaces Has the fan blade if applicable been checked to make sure it turns freely 9 On rem...

Страница 28: ...ssor damage 1 Open the water supply line shut off valve s 2 If not already removed remove the front panel See Fig 15 3 Move the mode switch on the control box to the ICE position then move the control switch to the ON position Replace the front panel then turn on the power supply and allow the icemaker to operate Note If the icemaker fails to start see II J Bin Control Check and Setting Fig 15 Fro...

Страница 29: ...ontrol Check and Settings to help prevent icemaker movement water leakage or ice overflow Do not increase ice level above the recommended setting 10 After completing bin control check and confirming bin control controller setting replace the base cover in its correct position Move the control switch to the ON position Replace all panels in their correct positions 11 Turn on the power supply to sta...

Страница 30: ... control box mounting screws then slide the control box forward and rotate the control box for access See Fig 17 2 Determine the setting required for your application as detailed below For Standard Ice Storage Bin application no adjustment needed continue to step 3 See Fig 18 For Hoshizaki DB and DM Dispenser Units adjust the bin control controller to setting 2 then continue to step 3 See Fig 18 F...

Страница 31: ...rol Ice Level Settings Bin Control Setting Ice Detection Distance From Bin Control Lens Standard Ice Storage Bins 1 Factory Default 254 mm 10 Do not adjust dispensers to this setting Hoshizaki DB and DM Dispensers 2 305 mm 12 Coca Cola Freestyle Dispensers 3 406 mm 16 Optional Setting 4 508 mm 20 5 610 mm 24 WARNING Confirm that the final ice level location does not allow for icemaker movement wat...

Страница 32: ...spenser unit Also be sure the top kit or top kit riser if applicable are clear from the bin control lens sensing area Fig 19 Full Bin Measured Distance Shutdown Distance Icemaker Restart Level 4 102 mm below preferred full bin level of ice Preferred Full Bin Level of Ice Shutdown Position Top Kit Icemaker Non Hoshizaki Dispenser Unit Bin Control Lens Bin Control Controller Factory Default for Stan...

Страница 33: ...o correct any interference from the top kit or top kit riser if applicable 6 Move the control switch to the OFF position wait 2 min then move the control switch to the ON position 1 min fill cycle begins Place an object 5 to 7 127 to 178 mm away from the bin control lens See Fig 21 15 sec later the icemaker shuts down Remove the object from the bin control lens 30 sec later the icemaker restarts F...

Страница 34: ...nitation regulations Maintenance Schedule Frequency Area Task Daily Scoop Clean the ice scoop using a neutral cleaner Rinse thoroughly after cleaning Bi Weekly Air Filters Inspect Wash with warm water and neutral cleaner if dirty Monthly External Water Filters Check for proper pressure and change if necessary Icemaker Exterior Wipe down with a clean soft cloth Use a damp cloth containing a neutral...

Страница 35: ...ll ice from the dispenser unit ice storage bin WARNING If on a dispenser unit turn off the dispenser unit power supply after dispensing the ice Cleaning 4 Move the mode switch to the CLEAN position then move the control switch to the ON position 1 short beep occurs then 3 seconds later 1 long beep occurs Replace the front panel The water tank drains and then fills 5 When the control board starts b...

Страница 36: ...essive foaming during sanitizing reducing the effectiveness of sanitizing 13 Move the control switch to the ON position 1 short beep occurs then 3 seconds later 1 long beep occurs Replace the front panel To avoid excessive foaming in the water tank there is a 1 minute delay before circulation begins After approximately 30 minutes of circulation the icemaker performs 3 rinse cycles 14 When the cont...

Страница 37: ... icemaker water supply line drain valve 4 Allow the line to drain by gravity 5 Attach a compressed air or carbon dioxide supply to the icemaker water supply line drain valve 6 Move the mode switch to the ICE position then move the control switch to the ON position 7 Replace the front panel in its correct position then turn on the power supply 8 Blow the icemaker water supply line out using the com...

Страница 38: ...ater supply line 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 Open the water regulating valve by using a screwdriver to pry up on the spring retainer underneath the spring While holding the valve open blow out the condenser using the compressed air...

Страница 39: ...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 personnel ...

Страница 40: ...40 618 Hwy 74 South Peachtree City GA 30269 USA P 770 487 2331 F 770 487 3360 hoshizakiamerica com 1A4658 011 ...

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