[d] Controls and Adjustments

The Dip Switch is factory-adjusted to the following positions:

Switch Nos. 1 and 2:

Used for adjustment of the defrost timer.

The defrost timer starts counting when the thermistor reads a certain temperature at the evaporator outlet.

Switch Nos. 3 and 4:

Used for adjustment of the drain timer.

When a freeze cycle is completed, the pump motor stops, and the icemaker resumes operation in 2 seconds. Then the pump motor drains the water tank for the time determined by the drain timer. The drain timer also determines the time to restrain completion of a defrost cycle, i.e. the minimum defrost time.

Switch Nos. 5 and 6:

Used for adjustment of the drain counter.

The pump motor drains the water tank at the frequency determined by the drain counter.

Switch No. 7:

Used only on models with mechanical bin control. Dip switch should be set “ON”. (Models with bin thermostat, switch no. 7 should be set in the “OFF” position.)

Switch No. 8:

Used only for checking the controller board. Usually set in OFF position.

Switch Nos. 9 and 10:

Used for adjustment of freeze timer. The freeze timer determines maximum freeze cycle time. Upon termination of freeze timer, machine initiates the harvest cycle. After 2 consecutive timer terminations, machine will shut down, possibly indicating a problem.

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Hoshizaki KMD-700MWH, KMD-900MAH, KMD-700MAH, KMD-700MRH, KMD-900MWH, KMD-900MRH service manual Controls and Adjustments
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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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