Emerson Alco 060820 Accumulator

The Emerson Alco 060820 Accumulator (Model A-AS4106) is a critical suction line component designed to protect compressors from liquid slugging and ensure consistent oil return in refrigeration and air conditioning systems. Engineered for high-reliability applications, this 4-ton R-22 accumulator features a 3/4" sweat ODF connection and a robust 4-inch diameter shell standing 10 inches high. Its primary function is to serve as a temporary reservoir, trapping liquid refrigerant during floodback conditions while allowing only vapor to reach the compressor intake. This unit is a direct technical replacement for legacy models 960120, 089123-01, and S1-026-31681-001. With a maximum working pressure of 300 PSI, it supports various refrigerants including CFC, HCFC, and HFC blends. The internal configuration includes a U-tube design with an inlet deflector to prevent internal splashing and a metered orifice to facilitate the safe return of compressor oil.

• Enhanced Compressor Protection: Specifically prevents liquid refrigerant floodback, minimizing the risk of mechanical failure or hydraulic lock.
• Advanced Flow Dynamics: Utilizes an internal inlet deflector to separate liquid and vapor phases efficiently while reducing internal turbulence.
• Durable Construction: Finished with a corrosion-resistant epoxy powder paint and outfitted with solid copper connections for easier brazing and longevity in harsh environments.
• Optimized Oil Management: Features a filtered oil return orifice to maintain proper lubrication levels within the compressor crankcase.

Is the A-AS4106 compatible with 410A systems?
While the model is optimized for 4-ton R-22 applications, it is rated for use with HFC refrigerants. However, technicians must verify that the 300 PSI Max Working Pressure meets the specific discharge and suction side requirements of the target system.

What is the primary cause of accumulator failure?
Failures usually stem from internal contamination or excessive corrosion. If the internal screen on the U-tube orifice becomes clogged with debris after a motor burnout, oil return will be restricted, leading to potential compressor damage.

Can this unit be mounted horizontally?
No. The Emerson 060820 is a vertical suction accumulator. Horizontal mounting would bypass the internal U-tube and inlet deflector, rendering the liquid slugging protection ineffective.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.