Hoshizaki KMD-700MAH, KMD-900MAH service manual Item # Issued June 2, 2003 Revised July 28

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Reliability is a beautiful thingTM

MODULAR CRESCENT CUBER

KMD-700MAH

KMD-700MWH

KMD-700MRH

KMD-900MAH

KMD-900MWH

KMD-900MRH

SERVICE MANUAL

ITEM #: 73107

™

ISSUED: June 2, 2003 REVISED: July 28, 2006

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Contents Item # Issued June 2, 2003 Revised July 28 Hoshizaki AMERICA, INC Contents Page Approximate Storage Capacity Electric & Water Consumption Specifications 1. KMD-700MAHWater Cooled Condenser KMD-700MWHKMD-700MRH KMD-900MAH KMD-900MWH KMD-900MRH URC-12F Condensing UnitModel URC-12F KMD-700MAH II. General Information ConstructionKMD-700MWH KMD-700MRH KMD-900MAH KMD-900MWH KMD-900MRH Controller Board Features of Control Products E Controller BoardSolid-State Control Controller BoardPage LED Control Products HOS-001A Board Important Water valve opening is limited to 6 minutes Sequence 1st Cycle2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain Controls and Adjustments Setting Time Setting Frequency 60 min Checking the Controller Board Mechanical Bin Control Proximity SwitchExplanation of Operation Troubleshooting KMD-700MAH and KMD-900MAH KMD-700MWH and KMD-900MWH KMD-700MRH and KMD-900MRH A1 KMD-700MAH and KMD-700MWH auxiliary code R-0 and earlier Wiring DiagramsA2 KMD-700MAH and KMD-700MWH auxiliary code R-1 and later B1 KMD-700MRH auxiliary code R-0 and earlier B2 KMD-700MRH auxiliary code R-1 and later C1 KMD-900MAH and KMD-900MWH auxiliary code R-0 and earlier C2 KMD-900MAH and KMD-900MWH auxiliary code R-1 and later D1 KMD-900MRH auxiliary code R-0 and earlier D2 KMD-900MRH auxiliary code R-1 and later Timing Chart Page 202 Performance Data701 730 875 886 906 Problem Possible Cause Remedy IV. Service Diagnosis No Ice ProductionProblem Possible Cause Remedy From Controller Board Defective See II.2e Checking Previous Evaporator is Frozen Up Abnormal Ice Low Ice ProductionOther Service for Refrigerant Lines Removal and Replacement of ComponentsRefrigerant Recovery Evacuation and Recharge R-404ABrazing Removal and Replacement of Compressor Page Removal and Replacement of Expansion Valve Removal and Replacement of DrierRemoval and Replacement of Hot Gas Valve and Line Valve Page Removal and Replacement of Evaporator Page Adjustment of Water Regulating Valve Water-Cooled Model Only Page Removal and Replacement of Thermistor Removal and Replacement of Fan Motor Removal and Replacement of Pump Motor Removal and Replacement of Water ValveRemoval and Replacement of Spray Tubes Removal and Replacement of Bin Control Page Page Top View Cleaning Procedure Cleaning InstructionsPage Page Sanitizing Procedure Following Cleaning Procedure Maintenance
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KMD-900MRH, KMD-900MWH, KMD-700MRH, KMD-700MWH, KMD-700MAH specifications

The Hoshizaki KMD series offers a range of high-performance ice machines designed to meet the needs of various commercial applications, including restaurants, bars, and healthcare facilities. Models such as the KMD-700MAH, KMD-700MRH, KMD-900MRH, KMD-900MWH, and KMD-900MAH are equipped with innovative technologies and features that ensure efficient ice production and reliable operation.

The KMD-700MAH model is known for its adaptability and efficiency, producing flake ice that is ideal for use in various applications like food preservation, cooling drinks, and more. With a production capacity of up to 700 pounds of ice per day, this model is perfect for medium-sized establishments. Its advanced design incorporates a unique evaporator that enhances ice production while minimizing energy consumption.

Similarly, the KMD-700MRH offers versatility with a similar production capacity, focusing on reliability and performance. This model uses a high-efficiency compressor and a self-contained refrigeration system, ensuring consistent ice production across different ambient conditions. The KMD-700MRH is especially suitable for locations that require frequent and reliable ice replenishment.

The KMD-900 series takes performance a step further, with the KMD-900MRH and KMD-900MAH providing a higher production capacity of up to 900 pounds per day. These machines leverage Hoshizaki’s patented air-cooled technology, which enhances efficiency and reduces operating costs. The robust construction and advanced features make them ideal for high-demand environments.

The KMD-900MWH variant offers an innovative water-cooled option, suitable for businesses in areas with high ambient temperatures or those where air-cooled machines might struggle. By utilizing a water cooling system, it ensures stable performance even in challenging conditions, making it a dependable choice for busy kitchens.

All models in the KMD series feature an easy-to-use digital control panel, which allows for effortless monitoring and adjustments to operations. This technology not only simplifies management but also enables users to receive real-time alerts regarding machine status and maintenance needs, ultimately minimizing downtime.

In summary, the Hoshizaki KMD-700MAH, KMD-700MRH, KMD-900MRH, KMD-900MWH, and KMD-900MAH models are equipped with advanced ice-making technologies designed to deliver high production rates, efficient energy consumption, and reliable performance. Whether it's for a restaurant, bar, or healthcare application, these machines bring together reliability and versatility, making them indispensable tools for any commercial kitchen environment.
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