Hoshizaki KM-630MRF, KM-630MAF, KM-630MWF service manual Hoshizaki AMERICA, INC

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IMPORTANT

Only qualified service technicians should attempt to service or maintain this icemaker. No service or maintenance should be undertaken until the technician has thoroughly read this Service Manual.

HOSHIZAKI provides this manual primarily to assist qualified service technicians in the service and maintenance of the icemaker.

Should the reader have any questions or concerns which have not been satisfactorily addressed, please call or write to the HOSHIZAKI Technical Support Department for assistance.

HOSHIZAKI AMERICA, INC.

618 Highway 74 South

Peachtree City, GA 30269

Attn: HOSHIZAKI Technical Support Department

Phone: 1-800-233-1940 Technical Service

(770)487-2331

Fax: (770) 487-3360

NOTE: To expedite assistance, all correspondence/communication MUST include the following information:

•Model Number

•Serial Number

•Complete and detailed explanation of the problem

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Contents KM-630MAF KM-630MWF KM-630MRF Hoshizaki AMERICA, INC Contents Maintenance Specifications KM-630MAFKM-630MWF KM-630MRF Condenser Unit URC-6F Model URC-6F II. General Information Construction KM-630MWF KM-630MRF SOLID-STATE Control Features of Control Products E Controller BoardController Board Controller BoardPage Harvest Cycle Beep every 3 sec. = High Evaporator Temperature 127 FMinute Fill Cycle Freeze CycleControl Products HOS-001A Board Sequence 1st Cycle Important Water Valve opening is limited to 6 minutes2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain Controls and Adjustments OFF KM-630MRFSetting Time Setting Frequency Checking the Controller Board Page III. Technical Information KM-630MWF KM-630MRF Wiring Diagrams KM-630MAF and KM-630MWFU1GMA0179608 Timing Chart From Defrost Cycle To Defrost CycleTo Freeze Cycle From Freeze Cycle Performance Data KM-630MWF KM-630MRF IV. Service Diagnosis No ICE Production Problem Possible Cause RemedyController Board Problem Possible Cause Remedy Evaporator is Frozen UP LOW ICE ProductionAbnormal ICE OthersRefrigerant Recovery Removal and Replacement of ComponentsService for Refrigerant Lines Evacuation and Recharge R-404ABrazing Removal and Replacement of Compressor Important Page Removal and Replacement of Drier Removal and Replacement of Expansion ValveRemoval and Replacement of HOT GAS Valve and Line Valve Page Removal and Replacement of Evaporator Important Page Adjustment of Water Regulating Valve WATER-COOLED Model only Page Removal and Replacement of Thermistor Caution Removal and Replacement of FAN Motor Removal and Replacement of Water Valve Removal and Replacement of Pump MotorRemoval and Replacement of Spray Tubes VI. Maintenance and Cleaning Instructions Preparing the Icemaker for Long StoragePage Cleaning Cleaning Procedure Page Sanitizing Procedure Following Cleaning Procedure Maintenance

KM-630MRF, KM-630MWF, KM-630MAF specifications

The Hoshizaki KM-630MWF, KM-630MAF, and KM-630MRF are advanced commercial ice machines designed to meet the needs of various businesses, including restaurants, bars, and cafes. Renowned for their efficiency, durability, and performance, these models showcase Hoshizaki's dedication to innovation in the foodservice industry.

One of the primary features of the Hoshizaki KM-630 series is the production of crescent-shaped ice. This type of ice is not only aesthetically pleasing but also known for its slow melting properties, making it ideal for keeping beverages cold without diluting them quickly. With a production capacity of up to 617 pounds of ice per day, these machines are built to handle high-demand scenarios efficiently.

The KM-630MWF model is equipped with a water-cooled condenser, making it suitable for environments where air-cooled units might face challenges due to high ambient temperatures. In contrast, the KM-630MAF features an air-cooled condenser which is advantageous for businesses looking to reduce water usage. The KM-630MRF variant utilizes a remote-cooled option, offering flexibility in installation and reducing heat and noise in the kitchen areas.

All three models are built with superior quality stainless steel, ensuring durability and resistance to rust and corrosion. They are designed to be easy to clean, featuring a smooth surface that minimizes dirt and bacteria buildup. Furthermore, Hoshizaki incorporates their advanced EverCheck alert system, providing operators with real-time performance notifications and ensuring reliable operation.

Energy efficiency is a crucial characteristic of the KM-630 series. These machines are designed to comply with industry standards, significantly reducing energy consumption and operating costs. Their highly efficient refrigeration system not only enhances ice production but also extends the lifespan of the machine.

In terms of ease of use, Hoshizaki has designed the KM-630 series to feature a user-friendly control panel. This panel allows for straightforward monitoring and modification of operations, ensuring operators can manage the machine effectively.

Overall, the Hoshizaki KM-630MWF, KM-630MAF, and KM-630MRF ice machines represent a blend of advanced technology, energy efficiency, and robust construction, making them an ideal choice for businesses that demand high-quality ice production. With their innovative features, these machines are poised to elevate the service capabilities of any establishment.
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