Hoshizaki KM-320MAH, KM-320MWH service manual Cleaning Procedure

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1.Cleaning Procedure

1)Dilute approximately 16 fl. oz. of the recommended cleaner Hoshizaki "Scale Away" or "LIME-A-WAY" (Economics Laboratory, Inc.) with 3 gal. of water.

2)Remove all ice from the evaporator and the storage bin.

Note: To remove cubes on the evaporator, turn off the power supply and turn it on after 3 minutes. The defrost cycle starts and the cubes will be removed from the evaporator.

3)Turn off the power supply.

4)Remove the front panel and the base cover, and then remove the insulation panel by lifting up the panel slightly and pulling it towards you.

5)Remove one end of the pump tubing (see Fig. 4). Drain the water tank. Replace the pump tubing in its correct position.

6)In bad or severe water conditions, clean the float switch assembly as described below. Otherwise, continue to step 7.

a.Remove the float switch assembly from the mounting bracket and remove the rubber boot from the bottom of the assembly.

b.Remove the retainer rod from the bottom of the float switch assembly, then remove the float. Be careful not to bend the retainer rod excessively when removing it.

c.Wipe down the float switch assembly's housing, shaft, float, and retainer rod with cleaning solution. Wipe the inside of the rubber boot with cleaning solution.

d.Reassemble the float switch assembly and replace it and the rubber boot in their correct positions.

7)Pour the cleaning solution into the water tank.

8)Fully open the cleaning valve on the left side wall of the machine compartment.

9)Move the control switch on the control box to the "WASH" position.

10)Replace the insulation panel and the front panel in their correct positions.

11)Turn on the power supply, and start the washing process.

12)Turn off the power supply after 30 minutes.

13)Remove the front panel.

14)Remove one end of the pump tubing. Drain the water tank. Replace the pump tubing in its correct position.

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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 Features of Control Products E Controller Board Controller BoardSolid-State Control 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 Removal and Replacement of Components Service for Refrigerant LinesRefrigerant Recovery 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 Maintenance Stainless Steel ExteriorStorage Bin and Scoop 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.
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