Hoshizaki KM-1301SAH/3, KM-1301SRH/3, KM-1301SWH/3 service manual Tank

Page 30

III. Technical Information

A. Water Circuit and Refrigeration Circuit

1. KM-1301SAH, KM-1301SAH3 (air-cooled)

 

 

 

 

 

High Pressure

 

Hot Gas Valve

 

 

Check

Valves

 

 

 

 

 

Switch

 

 

Strainer

 

 

 

Drier

 

 

 

 

 

 

 

Service Valve

 

 

ValveWaterInlet Tubes Condenser

Thermistor

LiquidLine

 

ExchangerHeat

Suction Line

SupplyWater

 

ValveCleaning

 

SwitchFloatValveCheck

 

Valve

 

Service Valve

 

 

 

Fan

 

 

 

 

 

 

 

 

 

 

Spray

Evaporator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Spray Tubes

Discharge Line Compressor

Expansion Valves

Water Pump

Drain

Tank

Water

Freeze/Harvest Pump-Out Pump Timer

Refrigeration Circuit

Water Circuit

30

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Contents Superior Degree Reliability Hoshizaki AMERICA, INC Contents Page Page Indicates important information about the use and care Important Safety InformationSerious injury UnitSpecifications Icemaker KM-1301SAH air-cooledKM-1301SAH3 air-cooled KM-1301SWH water-cooled KM-1301SWH3 water-cooled KM-1301SRH remote air-cooled KM-1301SRH3 remote air-cooled Condenser Unit URC-14F Unit inches mmSpecifications II. General Information Construction KM-1301SAH, KM-1301SAH3 air-cooledKM-1301SWH, KM-1301SWH3 water-cooled KM-1301SRH, KM-1301SRH3 remote air-cooled Minute Fill Cycle Sequence of OperationSequence Cycles and Shutdown Initial Harvest CycleHarvest Cycle S4 Dip Switch Setting Pump-Out 1st Pump-Out FrequencyPump-Out Cycle ShutdownSequence Flow Chart Icemaker OffIce Level Lowered Control Board Control Board Layout Control BoardLow Water Safety Harvest Backup Timer and Freeze TimerHigh Temperature Safety Maximum Water Supply Period 6 minutesSequence Step LED Lights and Audible Alarm SafetiesNo. of Beeps Type of Alarm Every 3 sec Energized Time LEDs are On Components Min Max AvgControls and Adjustments Default Dip Switch SettingsHarvest Timer S4 dip switch 1 Pump-Out Timer S4 dip switch 3 Pump-Out Frequency Control S4 dip switch 5S4 Dip Switch Setting Time seconds Inlet Freeze Timer S4 dip switch 9 Harvest Pump Timer S4 dip switchFactory Use S4 dip switch S4 Dip Switch Setting Pump Motor Time secondsFloat Switch Control S5 dip switch Refill Counter S5 dip switch 2 throughBin Control Float SwitchControl Switch ThermistorTank Water Tank Valve Auxiliary Code T-0, U-0 Wiring DiagramsPressureSwitch KM-1301SAH air-cooledHigh Pressure Switch 1301SWH water-cooledAuxiliary Code T-0, U-0cKM Water KM-1301SRH3 remote air-cooled Auxiliary Code U-1 and Later a KM-1301SAH air-cooled KM-1301SWH water-cooled KM-1301SRH remote air-cooled KM-1301SAH3 air-cooled and KM-1301SWH3 water-cooled 1301SRH3 remote air-cooled Performance Data 2090 12981159 22201740 13181323 17601770 13331300 18402010 13531222 4792140 13391197 463IV. Service Diagnosis Diagnostic ProcedurePage S4 Dip Switch Setting Pump-Out 1st Pump-Out Frequency Shutdown Control Board Check Float Switch Check and Cleaning Float Switch CheckBin Control Check Float Switch Cleaning Thermistor Check Diagnostic Charts Problem Possible Cause RemedyNo Ice Production BC Closed LED Problem Possible Cause Remedy Evaporator is Frozen Up Problem Possible Cause Remedy Low Ice Production Abnormal Ice Other Removal and Replacement of Components Service for Refrigerant LinesRefrigerant Recovery Brazing Evacuation and Recharge R-404ARemoval and Replacement of Compressor Removal and Replacement of Expansion Valve Page Removal and Replacement of Evaporator Removal and Replacement of Air-Cooled Condenser Removal and Replacement of Water-Cooled Condenser Removal and Replacement of Remote Air-Cooled Condenser Page Adjustment of Water Regulating Valve water-cooled model Removal and Replacement of Thermistor Removal and Replacement of Inlet Water Valve Removal and Replacement of Pump Motor Removal and Replacement of Control Board VI. Cleaning and Maintenance Cleaning and Sanitizing InstructionsCleaning Procedure Sanitizing Procedure Following Cleaning Procedure Maintenance Instructions Preparing the Icemaker for Long StorageRemove the water from the icemaker water supply line Drain the water tank
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KM-1301SWH/3, KM-1301SRH/3, KM-1301SAH/3 specifications

The Hoshizaki KM-1301SRH/3, KM-1301SWH/3, and KM-1301SAH/3 are advanced ice makers designed for commercial use, addressing a wide variety of needs in restaurants, hotels, and bars. These models are known for their efficiency, durability, and innovative technologies that ensure the production of high-quality ice.

One of the standout features of these units is their ability to produce a high volume of ice, reaching up to 1,300 pounds per day, which is crucial for establishments with heavy ice demands. The machines utilize advanced cooling technology, allowing for faster ice production and minimizing the time required to refill ice bins. This makes them ideal for busy settings where speed and efficiency are paramount.

The KM-1301 series employs a unique stainless steel exterior that not only ensures longevity and resistance to corrosion but also enhances the aesthetic appeal of any commercial kitchen or bar. The interior is designed for easy cleaning, helping to maintain hygiene standards vital for food safety.

These ice makers utilize the proprietary Hoshizaki Cubelet Ice system, producing small, chewy ice cubes that are perfect for various beverages and food displays. The advanced design of the ice-making mechanism ensures that ice is formed quickly and efficiently, reducing energy consumption. Additionally, Hoshizaki’s CycleSaver technology optimizes the production process by reducing the amount of water used, making these machines environmentally friendly.

Another characteristic is their self-diagnostic capability, which allows for real-time monitoring of unit performance and quicker troubleshooting, minimizing downtime. The built-in alerts notify operators of any issues or maintenance needs, ensuring that the ice-making process remains uninterrupted.

The KM-1301 series also provides user-friendly controls that allow easy adjustments and monitoring of ice production settings. This flexibility enables businesses to meet varying ice demands based on seasonality or special events.

In summary, the Hoshizaki KM-1301SRH/3, KM-1301SWH/3, and KM-1301SAH/3 ice makers are exemplary choices for commercial ice production. With their high output, durable design, energy efficiency, innovative technologies, and user-friendly features, they cater effectively to the rigorous demands of the foodservice industry while maintaining a commitment to quality and sustainability.
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