Hoshizaki MWH KM-515MAH, MRH/3, MRH KM-901MAH, MWH(-M) Additional Warning for Remote Models

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WARNING, continued

•The appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.

•Children should be properly supervised around this appliance.

•Do not climb, stand, or hang on the appliance or allow children or animals to do so.

Serious injury could occur or the appliance could be damaged.

•Do not use combustible spray or place volatile or flammable substances near the appliance. They might catch fire.

•Keep the area around the appliance clean. Dirt, dust, or insects in the appliance could cause harm to individuals or damage to the appliance.

Additional Warning for Remote Models

•THE REMOTE CONDENSER UNIT MUST BE GROUNDED. The power supply and ground wire to the remote condenser unit are supplied from the icemaker. Failure to properly ground the remote condenser unit could result in death or serious injury.

•Move the icemaker control switch to the "OFF" position and turn off the power supply to the icemaker before servicing the remote condenser unit. Lockout/Tagout to prevent the power supply from being turned back on inadvertently.

NOTICE

•Follow the instructions in this manual carefully to reduce the risk of costly water damage.

•In areas where water damage is a concern, install in a contained area with a floor drain.

•Install the appliance in a location that stays above freezing. Normal operating ambient temperature must be within 45°F to 100°F (7°C to 38°C).

•Do not leave the appliance on during extended periods of non-use, extended absences, or in sub-freezing temperatures. To properly prepare the appliance for these occasions, follow the instructions in "VI. Preparing the Appliance for Periods of Non-Use."

•Do not place objects on top of the appliance.

•The dispenser unit/ice storage bin is for ice use only. Do not store anything else in the dispenser unit/ice storage bin.

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Contents Modular Crescent Cuber Models KM-320MAH, MWH Hoshizaki AMERICA, INC Contents Page Page Important Safety Information Additional Warning for Remote Models Air-Cooled Models MAH Construction and Water/Refrigeration Circuit DiagramModel Shown KM-515MAH Model Shown KM-515MWH Water-Cooled Models MWH-MModel Shown KM-901MRH Remote Models MRH/3Water/Refrigeration Circuit Diagram Discharge Line Freeze Pump- Out Minute Harvest Cycle Freeze Cycle Pump-Out Cycle Sequence of Operation Flow ChartTimer Operation G Control Board without Harvest PumpIcemaker Off Ice Level Lowered Bin FullIcemaker Off Control Board with Harvest Pump TimerService Diagnosis G Control Board without Harvest Pump Timer Diagnosis Page Page Page OFF Mechanical Bin Control Shutdown Control Board Thermostatic Bin Control TBCControl Board with Harvest Pump Timer Diagnosis Page Page Page Every cycle After 2nd freeze cycle Shutdown Mechanical Bin Control Control Correct LED Board Control Board CheckThermostatic Bin Control Check Bin Control CheckMechanical Bin Control Check Cycle at Shutdown Mechanical Bin Control ActivationModel Shown KM-901MH/3 Mechanical Bin Control CleaningFloat Switch Check Float Switch Check and CleaningFloat Switch Cleaning Thermistor Check No Ice Production Diagnostic TablesNo Ice Production Possible Cause Freeze-Up Possible Cause Harvest Cycle Freeze-UpFreeze-Up Possible Cause Low Ice ProductionLow Ice Production Possible Cause Long Harvest Cycle Low Ice Production Possible Cause Long Freeze Cycle III. Controls and Adjustments Control Board Control Board LayoutControl Board Part Number 2A3792-01 Energized Time LEDs are On Components Min Max Avg LED Lights and Audible Alarm SafetiesNo. of Beeps Type of Alarm Every 3 sec Sequence StepControl Board S5 Dip Switch Control Board Only Settings and AdjustmentsDefault Dip Switch Settings S4 Dip Switch G Control BoardsPump-Out Timer S4 dip switch 3 Harvest Timer S4 dip switch 1S4 Dip Switch Setting Time Sec Control Board 1st Pump-Out S4 Dip Switch Setting Frequency Pump-Out Frequency Control S4 dip switch 5Bin Control S4 Dip Switch Setting Time Min Factory Use S4 dip switchFreeze Timer S4 dip switch 9 Control Board S4 Dip Switch Setting Pump Motor Time secFloat Switch Selector S5 dip switch 1 G Control Board Control SwitchRefill Counter S5 dip switch 2 through 5 G Control Board Refrigeration Circuit Service Information IV. Refrigeration Circuit and Component Service InformationRefrigerant Recovery Evacuation and Recharge R-404A BrazingPage Water Regulating Valve Adjustment water-cooled model Component Service InformationComponent Maintenance Schedule MaintenanceFrequency Area Task Remove the water from the icemaker water line VI. Preparing the Appliance for Periods of Non-UseRemove the water from the water tank Page VII. Disposal KM-320MAH VIII. Technical Information Specification SheetsWater Cooled Condenser KM-320MWHKM-515MAH KM-515MWH KM-515MRH KM-600MAH KM-650MAH KM-650MWH KM-650MWH-M Awaiting DataKM-650MRH KM-901MAH KM-901MWH KM-901MRH KM-901MRH3 Performance Data 430 352337 7301090 501435 980960 500436 940198 491452 10001190 592503 10401290 661562 1180744 6201080 1060Awaiting Data 1320 632564 12201710 874732 16001550 912827 14801770 889785 15901830 899815 1670Diagrams Without Harvest Pump Timer Relays Wiring DiagramsKM-650MAH, KM-650MWH, KM-901MAH, KM-901MWH KM-650MRH, KM-901MRH KM-901MRH3 KM-515MAH Diagrams With Harvest Pump Timer RelaysKM-650MAH, KM-650MWH, KM KM-650MWH-M KM-650MRH
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KM-320MAH, MRH KM-600MAH KM-650MAH, MWH(-M), MRH KM-901MAH, MRH/3 specifications

Hoshizaki, a leading manufacturer in the food service equipment sector, offers a diverse range of ice-making machines that excel in efficiency, durability, and innovative technology. Among the notable models are the Hoshizaki MWH KM-515MAH, MWH(-M), MRH KM-901MAH, MRH KM-600MAH, KM-650MAH, and KM-320MAH. Each model brings unique features designed to meet varying commercial ice production needs.

The Hoshizaki MWH KM-515MAH is particularly recognized for its high ice production capacity, generating up to 515 pounds of ice per day. This model incorporates advanced technology that ensures consistent ice quality and purity. The MWH(-M) variant often includes modifications to suit specific operational environments, ensuring reliability in diverse settings.

Similarly, the MRH KM-901MAH stands out with its ability to produce a staggering 901 pounds of ice per day, making it ideal for high-volume establishments. This model is equipped with Hoshizaki's unique "cubelet" technology, producing a soft, chewable ice perfect for beverages. It also features a robust stainless steel construction, enhancing its durability and resistance to corrosion.

The MRH KM-600MAH offers 600 pounds of daily ice output, while the KM-650MAH enhances that capacity to 650 pounds. Both machines prioritize energy efficiency and come with built-in energy-saving modes. These models feature advanced ice sensing technology that monitors production levels to optimize energy consumption and reduce waste.

On the other hand, the KM-320MAH is designed for smaller establishments, with a daily ice production rate of 320 pounds. Despite its smaller footprint, it maintains high production efficiency and is equipped with features like a built-in storage bin, saving space while ensuring a reliable ice supply.

Across these models, Hoshizaki employs various technologies, including air-cooled and water-cooled systems, offering flexibility depending on installation requirements. The ice machines are designed with user-friendly controls and features like self-cleaning capabilities, making maintenance straightforward and less time-consuming.

In summary, Hoshizaki's ice machines, including the MWH KM-515MAH, MRH KM-901MAH, and others, deliver exceptional ice production, durability, and efficiency tailored to meet the demands of any commercial kitchen or service establishment. With a commitment to quality, Hoshizaki continues to be a trusted choice for businesses needing reliable ice-making solutions.
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