Description
Copeland HFES 10 HCA 5FT Externally Equalized Thermal Expansion Valve
The Copeland 056821 (Model HFES 10 HCA 5FT 5/8 x 1 1/8 ODF S/T) is a heavy-duty, externally equalized thermal expansion valve (TXV) engineered specifically for heat pump applications. Rated at 10 tons of capacity and compatible with both R-22 and R-407C refrigerants, this valve delivers precise refrigerant metering to maintain optimal system efficiency across a wide range of operating conditions.
Key Features
- Capacity: 10 Ton – suitable for large commercial and light-industrial heat pump systems
- Refrigerant Compatibility: R-22 and R-407C (heat pump charge)
- Body Style: Straight body for straightforward inline installation
- Connection Type: Sweat (ODF) – 5/8″ inlet x 1-1/8″ outlet for secure, leak-free brazed connections
- Capillary Tube Length: 5 feet, providing flexible bulb placement and routing
- Equalization: Externally equalized design compensates for pressure drop across the evaporator, ensuring accurate superheat control in longer or more complex coil circuits
- Application: Heat pump charge – optimized for both heating and cooling cycle operation
Why External Equalization Matters
In systems with multi-circuit evaporators or significant pressure drop across the coil, an internally equalized valve can lose accuracy and starve or flood the evaporator. The externally equalized design of the Copeland 056821 references downstream pressure directly, maintaining consistent superheat control and protecting the compressor from liquid slugging — a critical advantage in 10-ton heat pump installations.
Installation Notes
- Sweat (ODF) connections require standard brazing procedures; always flow nitrogen during brazing to prevent internal oxidation
- Mount the sensing bulb firmly to the suction line per manufacturer guidelines for accurate superheat sensing
- Route the 5-foot capillary tube without sharp kinks to preserve bulb charge integrity
- Verify system refrigerant charge is set for heat pump operation before commissioning
Product Specifications
- SKU: 056821
- Model: HFES 10 HCA 5FT 5/8 x 1 1/8 ODF S/T
- Brand: Copeland
- Capacity: 10 Ton
- Refrigerant: R-22 / R-407C
- Body Style: Straight
- Inlet Connection: 5/8″ ODF Sweat
- Outlet Connection: 1-1/8″ ODF Sweat
- Capillary Tube Length: 5 Feet
- Equalization: External
- Charge Type: Heat Pump
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