Hoshizaki KM-320MAH service manual KM-320MWH water-cooled, Water Cooled Condenser

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B. KM-320MWH (water-cooled)

AC SUPPLY VOLTAGE

115/60/1

 

 

 

 

 

AMPERAGE

8.2 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

*352 (160)

 

348 (158)

 

324 (147)

Reference without *marks

80

349 (158)

 

342 (155)

 

309 (140)

 

90

348 (158)

 

*337 (153)

 

308 (140)

SHAPE OF ICE

100

337 (153)

 

330 (150)

 

281 (127)

Crescent Cube

 

 

 

 

 

ICE PRODUCTION PER CYCLE

7.2 lbs. (3.3 kg) 360 pcs.

 

 

 

APPROXIMATE STORAGE CAPACITY

N/A

 

 

 

 

 

ELECTRIC & WATER CONSUMPTION

90/70°F

 

 

70/50°F

 

ELECTRIC W (kWH/100 lbs.)

730(5.2)

 

 

730(5.0)

 

 

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

57(16.8)

 

 

103(29.4)

 

 

WATER COOLED CONDENSER

528(157)

 

 

327(93)

 

 

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

 

 

 

 

 

 

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 123 lbs. (56 kg), Shipping

153 lbs. (70 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

Pressure Regulator

 

 

 

BIN CONTROL SYSTEM

Thermostat

 

 

 

 

 

COMPRESSOR

Hermetic, Model ASE32C3E-CAA

 

CONDENSER

Water-cooled, Tube in tube type

 

 

 

EVAPORATOR

Vertical type, Stainless Steel and Copper

 

REFRIGERANT CONTROL

Thermostatic Expansion Valve

 

 

 

REFRIGERANT CHARGE

R-404A, 1 lb. 0.8 oz. (486g)

 

 

 

DESIGN PRESSURE

High 427PSIG, 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-320MAH KM-320MWH Hoshizaki AMERICA, INC Contents Page Specifications KM-320MAH air-cooled Approximate Storage Capacity Electric & Water ConsumptionKM-320MWH water-cooled Water Cooled CondenserII. General Information Construction KM-320MAH air-cooledKM-320MWH water-cooled Solid-State Control Features of Control Products E Controller BoardController Board Controller BoardHigh Temperature Safety 127 ± 7F 53 ± 4C LED Control Products HOS-001A Board Sequence 1st Cycle 2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain Controls and Adjustments Defrost Control Drain Timer Freeze Timer Checking the Controller BoardPage KM-320MAH KM-320MWH Wiring Diagram KM-320MAH, KM-320MWHTiming Chart Page Performance Data 117352 IV. Service Diagnosis No Ice Production Problem Possible Cause RemedyProblem Possible Cause Remedy Problem Possible Cause Remedy Evaporator is Frozen Up Problem Possible Cause Remedy Low Ice Production Abnormal IceOther Refrigerant Recovery Removal and Replacement of ComponentsService for Refrigerant Lines Evacuation and Recharge R-404ABrazing Removal and Replacement of Compressor Removal and Replacement of Drier Removal and Replacement of Expansion ValveRemoval and Replacement of Hot Gas Valve and Line Valve Removal and Replacement of Evaporator Removal and Replacement of Thermistor Removal and Replacement of Fan Motor Removal and Replacement of Water ValveRemoval and Replacement of Pump Motor Removal and Replacement of Spray TubesPage Adjustment Of Water Regulating Valve Water-Cooled Model Only VI. Cleaning and Maintenance Instructions Preparing the Icemaker for Long StoragePage Cleaning and Sanitizing Instructions Cleaning Procedure Sanitizing Procedure Following Cleaning Procedure Storage Bin and Scoop MaintenanceStainless Steel Exterior Condenser except water-cooled model
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KM-320MWH, KM-320MAH 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.