5)Disconnect the Vacuum Pump, and attach a Refrigerant Service Cylinder to the High-side line. Remember to loosen the connection, and purge the air from the Hose. See the Nameplate for the required refrigerant charge. Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard No. 700-88 be used.

6)A liquid charge is recommended for charging an R-404A system. Invert the service cylinder. Open the High-side, Service Manifold Valve.

7)Allow the system to charge with liquid until the pressures balance.

8)If necessary, add any remaining charge to the system through the Low-side. Use a throttling valve or liquid dispensing device to add the remaining liquid charge through the Low-side access port with the unit running.

9)Close the two Refrigerant Access Valves, and disconnect the Hoses and Service Manifold.

10) Cap the Access Valves to prevent a possible leak.

2. BRAZING

DANGER

1.Refrigerant R-404A itself is not flammable at atmospheric pressure and temperatures up to 176° F.

2.Refrigerant R-404A itself is not explosive or poisonous. However, when exposed to high temperatures (open flames) R-404A can be decomposed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous.

3.Always recover the refrigerant and store it in an approved container. Do not discharge the refrigerant into the atmosphere.

4.Do not use silver alloy or copper alloy containing Arsenic.

5.Do not use R-404A as a mixture with pressurized air for leak testing. Refrigerant leaks can be detected by charging the unit with a little refrigerant, raising the pressure with nitrogen and using an electronic leak detector.

Note: All brazing-connections inside the Evaporator Case are clear-paint coated. Sandpaper the brazing connections before debrazing the components. Use a good abrasive cloth to remove coating.

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Hoshizaki KML H SERIES, KML F SERIES service manual Brazing
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KML "F" SERIES, KML "H" SERIES specifications

The Hoshizaki KML "H" Series and KML "F" Series are state-of-the-art commercial ice machines designed to meet the diverse needs of the foodservice industry. Renowned for their reliability, efficiency, and innovative technology, these ice machines are perfect for restaurants, bars, and hotels seeking high-quality ice production.

The KML "H" Series focuses on producing crescent cubed ice, a preferred choice for many establishments due to its slow melting rate and ability to chill beverages effectively. One of the main features of the "H" Series is the ice-making process, which utilizes advanced technology to ensure a quick production cycle. The machines come with a variety of capacities to suit different business sizes, ranging from small-scale operations to large commercial needs.

The KML "F" Series, on the other hand, is designed to produce flaky ice, which is ideal for display in seafood and salad bars. This series stands out with its unique ice texture, perfect for preserving freshness and enhancing presentation. The "F" Series also boasts high production rates, ensuring a continuous supply of ice even during peak hours.

Both series come equipped with Hoshizaki's exclusive Cascade Ice Making System, which enhances water flow and improves efficiency, leading to lower energy consumption. This is complemented by an exterior that is easy to clean and maintain, reducing labor costs associated with upkeep.

Key characteristics of the KML Series include durable stainless-steel construction, providing longevity and resistance to corrosion. Moreover, both series feature a self-diagnostic control system that alerts users to potential issues before they become significant problems, thereby minimizing downtime.

In addition to their robust design and performance, they also incorporate environmental considerations. Hoshizaki machines are engineered to operate using refrigerants that have a lower impact on the ozone layer, making them compliant with global environmental standards.

Overall, the Hoshizaki KML "H" Series and KML "F" Series stand out in the competitive landscape of commercial ice machines, combining innovative technology, exceptional durability, and user-friendly features to provide a reliable ice-making solution for various foodservice applications.
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