Hoshizaki KM-350MAJ | KMEdgeX Undercounter Crescent Cuber Ice Machine, Air-cooled | Replaced by KM-322MAK
Hoshizaki KM-350MAJ | KMEdgeX Undercounter Crescent Cuber Ice Machine, Air-cooled | Replaced by KM-322MAK - New Replacement is backordered and will ship as soon as it is back in stock.
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Hoshizaki KM-350MAJ | KMEdgeX Undercounter Crescent Cuber Ice Machi...
Notice: This product is discontinued and is now replaced with the Hoshizaki KM-322MAK, which includes upgraded refrigeration features. See product details here.
The Hoshizaki KM-350MAJ, now replaced by the KM-322MAK, is a high-capacity, air-cooled modular crescent cuber built for commercial use, producing up to 489 lbs of ice per day with features like CycleSaver™ design and EverCheck™ alerts. The KM-322MAK carries forward the same design and ice output, now with environmentally friendly R-290 refrigerant.
Key Specifications:
- Ice Production Capacity: Produces up to 489 lbs per 24 hours (70°F/50°F), or 400 lbs at 90°F/70°F.
- Dimensions: 22" W x 27⅜" D x 28" H.
- Electrical: Runs on 115V/60/1, 20A max fuse, drawing 9.7A.
- Refrigerant: Uses R-290 (propane), a more environmentally friendly option.
- Water Usage: Uses 18.0 gallons per 100 lbs of ice (90°F/70°F).
Comparison Table:
Features & Benefits:
- CycleSaver™ Design: Reduces harvest cycles, increasing efficiency and lowering component wear.
- EverCheck™ Alert System: Provides real-time diagnostics and alerts for proactive maintenance.
- H-GUARD Plus Antimicrobial Agent: Protects against bacterial growth for cleaner, safer ice.
- Stainless Steel Double-Sided Evaporator: Ensures durability and consistent ice production.
- CleanAssist™ Feature: Simplifies cleaning with a one-hour process, reducing downtime and labor costs.
- KM-322MAK Replacement: Keeps all of the above features, and switches to R-290 refrigerant for a lower environmental footprint. It requires a 20A circuit and uses more water per 100 lbs of ice.
What's Included:
- Modular Crescent Cuber unit
- Removable air filters (air-cooled model)
- Factory-installed ultrasonic bin control
- Installation and operation manual
- Warranty documentation
Options Available:
- KM-350MWJ: Water-cooled modular crescent cuber with up to 414 lbs of ice production per 24 hours at 70°F air/50°F water (383 lbs at 90°F air/70°F water). Designed for facilities with reliable water supply, offering efficient cooling and consistent crescent ice output.
- KM-322MAK: The current replacement model, same footprint and ice quality, running on R-290 refrigerant. Requires a 20A circuit (vs. 15A) — confirm your electrical setup before switching.
FAQ
Q: What is the main difference between the KM-350MAJ and the KM-322MAK?
A: The main difference is the refrigerant — the KM-350MAJ uses R-404A, while the KM-322MAK uses environmentally friendly R-290 (propane). Both share the same footprint, ice quality, and core features, but the KM-322MAK requires a 20A circuit instead of 15A, and uses more water per 100 lbs of ice produced.
Q: Is This Ice Machine Compatible With Different Types Of Ice Storage Bins?
A: Yes. The KM‑350MAJ is compatible with Hoshizaki bins and dispensers including B‑300SF, B‑500SF, B‑700SF, and others. A top kit may be required for certain bin models—consult bin specification sheets for proper fit. The KM-322MAK is compatible with the same bin lineup.
Q: What Type Of Ice Does The KM‑350MAJ Produce?
A: It produces individual crescent‑shaped cubes, known for their attractive appearance, efficient cooling, and slower melting rate compared to standard cube ice. The KM-322MAK produces the same crescent-shaped ice.
Q: What Is The Warranty Coverage For This Ice Machine?
A: Hoshizaki provides a 3‑year parts and labor warranty on the entire machine, a 5‑year parts and labor warranty on the evaporator, and a 5‑year parts warranty on the compressor and air‑cooled condenser coil. Valid in the U.S., Canada, Puerto Rico, and U.S. Territories. The KM-322MAK carries the same warranty terms.
Q: How Often Should The KM‑350MAJ Be Cleaned?
A: Hoshizaki recommends a full cleaning and sanitizing cycle at least twice per year. In areas with poor water quality or heavy usage, more frequent cleaning may be required. The CleanAssist™ feature simplifies this process with a one‑hour cleaning cycle. The KM-322MAK uses this same CleanAssist™ process.
Q: What Are The Operating Limits For This Model?
A: The KM‑350MAJ is designed to operate in ambient temperatures between 45°F and 100°F, water temperatures between 45°F and 90°F, and water pressure between 10–113 PSIG. Voltage range should remain within 104–127V. The KM-322MAK shares these same operating limits.
Q: Does The KM‑350MAJ Have Built‑In Diagnostics?
A: Yes. The EverCheck™ alert system provides real‑time diagnostics and maintenance alerts, helping operators identify issues early and reduce downtime. This carries over to the KM-322MAK as well.
Q: Can This Machine Be Used With A Remote Condenser?
A: No. The KM‑350MAJ and KM-322MAK are air‑cooled model. For remote condenser compatibility, see the KM‑520MRJZ or KM‑660MRJZ models.
Q: What Kind Of Water Filtration Is Recommended?
A: It strongly recommends pairing the KM‑350MAJ with a H9320-51 Single 4HC-H water filter system with manifold and cartridge to reduce chlorine, taste, odor, and particulates. Proper filtration extends machine life and ensures crystal‑clear ice. The same filter system is recommended for the KM-322MAK.
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
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- Place the icemaker indoors on a firm, level surface with proper clearance (6" at rear, sides, and top).
- Mount the icemaker securely on a compatible ice storage bin or dispenser unit; use adapter kits if required.
- Connect the cold water supply line (1/2" FPT inlet, minimum 10 psi, maximum 113 psi). Install a shut‑off valve.
- Connect the drain lines (3/4" FPT outlet for icemaker, 3/8" OD condensation drain) with a proper air gap to a floor drain.
- For water‑cooled models, connect condenser water inlet (1/2" FPT) and outlet (3/8" FPT) separately.
- For remote models, connect to the recommended Hoshizaki URC‑5FZ remote condenser unit and follow refrigerant line set instructions.
- Hard‑wire the electrical connection per local code; ensure proper grounding. Use independent power supply of correct capacity.
- Turn on water supply, check for leaks, and then power on the unit to begin ice production.
- For detailed steps, refer to the installation manual provided in the package or contact a licensed plumber/electrician.
- Inspect water supply and drain connections regularly for leaks.
- Clean the condenser coil and fan area periodically to maintain airflow.
- Check refrigerant lines and compressor mounting pads for secure fit.
- Clean and sanitize the icemaker and bin liner at least once a year using Hoshizaki “Scale Away” cleaner and sanitizer.
- Replace external water filters as needed to maintain proper pressure and water quality.
- Do not operate the unit in freezing conditions; drain and prepare for non‑use if temperatures drop below 32°F (0℃).
- Always unplug and shut off water before servicing.
- For service or repairs, consult the manual or contact us.
