Hoshizaki KM-501MRH, KM-501MWH service manual Specifications Icemaker, KM-501MAH air-cooled

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I. Specifications

A. Icemaker

1. KM-501MAH (air-cooled)

AC SUPPLY VOLTAGE

115/60/1

 

 

 

 

 

AMPERAGE

13 A ( 5 Min. Freeze AT 104°F / WT 80°F)

 

MINIMUM CIRCUIT AMPACITY

20 A

 

 

 

 

 

MAXIMUM FUSE SIZE

20 A

 

 

 

 

 

APPROXIMATE ICE PRODUCTION

Ambient

WATER TEMP. (°F)

PER 24 HR.

Temp.(°F)

50

 

70

 

90

lbs./day ( kg/day )

70

*498 (226)

 

474 (215)

 

433 (197)

Reference without *marks

80

480 (218)

 

442 (201)

 

397 (180)

 

90

474 (215)

 

*416 (189)

 

372 (169)

SHAPE OF ICE

100

463 (210)

 

406 (184)

 

332 (150)

Crescent Cube

 

 

 

 

 

ICE PRODUCTION PER CYCLE

9.5 lbs. (4.3 kg) 480 pcs.

 

 

 

APPROXIMATE STORAGE CAPACITY

N/A

 

 

 

 

 

ELECTRIC & WATER CONSUMPTION

90/70°F

 

 

70/50°F

 

ELECTRIC W (kWH/100 lbs.)

1210(7.0)

 

 

1140(5.5)

 

 

WATER gal./24HR (gal./100 lbs.)

89(21.3)

 

 

245(49.1)

 

 

EXTERIOR DIMENSIONS (WxDxH)

22" x 27-3/8" x 30-5/16" (560 x 695 x 770 mm)

 

EXTERIOR FINISH

Stainless Steel, Galvanized Steel (Rear)

 

WEIGHT

Net 151 lbs. (69 kg), Shipping

175 lbs. (80 kg)

 

CONNECTIONS - ELECTRIC

Permanent - Connection

 

 

 

- WATER SUPPLY

Inlet

1/2" FPT

 

 

 

- DRAIN

Outlet

3/4" FPT

 

 

 

 

 

3/8" OD Tube

 

 

 

CUBE CONTROL SYSTEM

Float Switch

 

 

 

 

 

HARVESTING CONTROL SYSTEM

Hot Gas and Water, Thermistor and Timer

 

ICE MAKING WATER CONTROL

Timer Controlled. Overflow Pipe

 

COOLING WATER CONTROL

N/A

 

 

 

 

 

BIN CONTROL SYSTEM

Thermostat

 

 

 

 

 

COMPRESSOR

Hermetic, Model AKA9455ZXA

 

 

 

CONDENSER

Air-Cooled , Fin and tube type

 

 

 

EVAPORATOR

Vertical type, Stainless Steel and Copper

 

REFRIGERANT CONTROL

Thermostatic Expansion Valve

 

 

 

REFRIGERANT CHARGE

R-404A, 1 lb. 10 oz. (735g)

 

 

 

DESIGN PRESSURE

High 467PSIG, Low 210PSIG

 

 

 

P.C. BOARD CIRCUIT PROTECTION

High Voltage Cut-out ( Internal )

 

 

 

COMPRESSOR PROTECTION

Auto-reset Overload Protector ( Internal )

 

REFRIGERANT CIRCUIT PROTECTION

Auto-reset High Pressure Control Switch

 

LOW WATER PROTECTION

Float Switch

 

 

 

 

 

ACCESSORIES -SUPPLIED

N/A

 

 

 

 

 

-REQUIRED

Ice Storage Bin

 

 

 

 

 

OPERATING CONDITIONS

VOLTAGE RANGE

 

 

104 - 127 V

 

AMBIENT TEMP.

 

 

45 -100° F

 

WATER SUPPLY TEMP.

 

 

45 - 90° F

 

WATER SUPPLY PRESSURE

 

 

10 - 113 PSIG

Note: We reserve the right to make changes in specifications and design without prior notice.

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Contents KM-501MAH KM-501MWH KM-501MRH Hoshizaki AMERICA, INC Contents Page KM-501MAH air-cooled Specifications IcemakerWater Cooled Condenser KM-501MWH water-cooledKM-501MRH remote air-cooled URC-6F Condensing UnitSpecifications II. General Information Construction KM-501MWH water-cooled KM-501MRH remote air-cooled Sequence of Operation Cycle Steps Harvest Cycle Freeze Cycle One Minute Control Board Control Board Control Products E Control BoardControl Board Layout Maximum Water Supply Period 6 minutes FeaturesLED Lights and Audible Alarm Safeties Default Dip Switch Settings Controls and AdjustmentsHarvest Timer dip switch 1 Pump-Out Frequency Control dip switch 5 Control Board Replacement Control Board Check ProcedureKM-501MAH air-cooled KM-501MWH water-cooled KM-501MRH remote air-cooled KM-501MAH air-cooled and KM-501MWH water-cooled Wiring DiagramsPsig Timing Chart Page 245 Performance Data488 482 IV. Service Diagnosis Minute KM Diagnostic Procedure No Ice Production Diagnostic ChartsProblem Possible Cause Remedy Problem Possible Cause Remedy Problem Possible Cause Remedy Evaporator is Frozen Up Other Low Ice ProductionAbnormal Ice Problem Possible Cause Remedy Service for Refrigerant Lines Removal and Replacement of ComponentsRefrigerant Recovery Evacuation and Recharge R-404ABrazing Removal and Replacement of CompressorRemoval and Replacement of Drier Removal and Replacement of Hot Gas Valve and Line Valve Removal and Replacement of Expansion ValveRemoval and Replacement of Evaporator Adjustment of Water Regulating Valve Water-Cooled Model Only Adjustment Screw CW Higher CCW Lower Top View Removal and Replacement of Thermistor Removal and Replacement of Pump Motor Removal and Replacement of Fan MotorRemoval and Replacement of Inlet Water Valve Removal and Replacement of Spray Tubes Cleaning and Sanitizing Procedures VI. Cleaning and Maintenance InstructionsCleaning Procedure Stainless Steel Exterior MaintenanceSanitizing Procedure Following Cleaning Procedure Storage Bin and Scoop Preparing the Icemaker for Long StorageAir Filters air-cooled models only Condenser air-cooled and remote air-cooled models only
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KM-501MAH, KM-501MWH, KM-501MRH specifications

The Hoshizaki KM-501MWH, KM-501MAH, and KM-501MRH are standout models in the commercial ice machine market, known for their robust performance and innovative technologies. These machines are specially designed to meet the diverse needs of restaurants, bars, and other food service establishments that require a reliable source of high-quality ice.

One of the defining features of the KM-501 series is their high production capacity. Each model can produce up to 500 pounds of ice per day, ensuring that even the busiest establishments can keep up with demand. The ice produced is crystal-clear, with a unique crescent shape that not only looks appealing but also melts slowly, making it ideal for drinks and food presentations.

The KM-501MWH model is equipped with advanced technology that ensures energy efficiency and reduced water usage. It features a powerful compressor and a highly efficient evaporator, which work together to minimize energy consumption while maximizing output. This makes it an environmentally friendly choice, reducing operational costs for businesses.

The KM-501MAH model stands out with its air-cooled condenser system, which allows for optimal performance without the need for extensive cooling water lines. This makes the installation process easier and reduces complexity, enabling businesses to set up their ice machine with minimal hassle. Furthermore, it features a self-cleaning mode that simplifies maintenance, contributing to consistent ice quality over time.

On the other hand, the KM-501MRH is designed for rugged environments. It is constructed with high-quality materials that enhance durability and longevity, making it suitable for outdoor applications or establishments located in warmer climates. The stainless-steel design not only contributes to the machine's robustness but also ensures easy cleaning and resistance to rust and corrosion.

Another key characteristic of the Hoshizaki KM-501 models is their user-friendly control panel. These machines come with intuitive controls that allow operators to easily adjust settings and monitor performance. This feature is particularly useful for staff in busy kitchens, enabling them to focus on service without constant checks on ice production.

Overall, the Hoshizaki KM-501MWH, KM-501MAH, and KM-501MRH offer excellent performance, energy efficiency, and user-friendliness. Their combination of innovative technologies, durable design, and high output capacity make them exceptional choices for any establishment in need of reliable ice production. Whether for a bustling restaurant or a bar serving up cocktails, these machines deliver ice that consistently meets high standards.