3.5 Ton, Heat Pump, 4Hp Constant Torque 17 SEER (Omniguard)

Concord 23A24 – 4HP17L Series 3.5 Ton Heat Pump

The Concord 23A24 (4HP17L series) is a 3.5-ton, single-phase heat pump engineered for consistent performance and energy-efficient operation in residential HVAC systems. With a SEER rating up to 16.2 and HSPF2 of 7.5, this model provides reliable year-round heating and cooling while meeting modern energy standards.

This unit incorporates durable construction and advanced defrost controls to maintain performance in a wide range of conditions. It is ENERGY STAR® certified and features a scroll compressor and factory-installed filter drier for system longevity. The 4HP17L is compatible with matched indoor components to ensure optimal system balance and capacity delivery.

Performance and Efficiency

• Cooling Capacity: 3.5 Ton
• SEER2: Up to 16.2
• HSPF2: 7.5
• Refrigerant: R-410A
• Compressor: High-efficiency scroll

Electrical and Mechanical Details

• Voltage: 208/230V
• Phase: Single-phase
• Condenser Coil: Enhanced aluminum fin and copper tube design
• Sound Levels: Equipped with Quiet Shift™ technology for reduced noise during defrost
• Cabinet: Galvanized steel with louvered panel protection

Installation Requirements

Professional installation is required to ensure proper line sizing, charge balancing, and code compliance. This unit must be matched with an AHRI-rated indoor coil and air handler or furnace configuration. Installation should include appropriate clearance and leveling, electrical disconnects, and refrigerant evacuation tools.

Contractor Notes

Contractors will benefit from this model’s ease of service access and proven component reliability. The factory-installed features simplify installation and reduce time on site. QuietShift™ technology supports quieter operation during the defrost cycle—an important consideration for residential applications.

System Highlights

• ENERGY STAR® Certified: Meets strict federal efficiency standards
• QuietShift™ Technology: Reduces sound during defrost operation
• Scroll Compressor: Provides smoother, more efficient operation
• Corrosion-Resistant Cabinet: Louvered steel paneling for outdoor durability
• Warranty: Limited 10-year parts warranty with registration