Description
The Copeland 063676 (Model AACE 2 HCA 30IN 3/8 X 1/2 ODF S/T) is a precision-engineered Thermal Expansion Valve (TXV) designed for heat pump applications. Featuring an integrated internal check valve, this externally equalized valve simplifies installation and ensures reliable refrigerant metering in both heating and cooling modes — eliminating the need for a separate check valve in the liquid line.
Key Features
- Capacity rating: 2 Ton — sized for residential and light commercial heat pump systems
- Compatible refrigerants: R22 and R407C — suitable for new installations and retrofit applications
- Straight body design with 3/8″ x 1/2″ ODF sweat connections for straightforward field installation
- 30″ capillary tube for flexible bulb placement and accurate sensing
- External equalizer port compensates for pressure drop across the evaporator for precise superheat control
- Internal check valve built in — enables bidirectional flow for heat pump operation without additional components
- Heat pump charge configuration optimized for balanced performance across heating and cooling cycles
Specifications
- SKU: 063676
- Model: AACE 2 HCA 30IN 3/8 X 1/2 ODF S/T
- Brand: Copeland
- Refrigerant: R22 / R407C
- Capacity: 2 Ton
- Body Style: Straight
- Connections: 3/8″ x 1/2″ ODF Sweat
- Capillary Tube Length: 30″
- Equalization: External
- Check Valve: Internal
- Application: Heat Pump
Application
Ideal for HVAC technicians and contractors installing or servicing heat pump systems that require accurate refrigerant flow control. The dual-refrigerant compatibility (R22/R407C) makes this TXV a versatile choice for both legacy systems and modern R407C retrofits. The built-in internal check valve streamlines the refrigerant circuit, reducing potential leak points and labor time during installation.
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