The Grandaire 4 Ton 15 SEER2 Heat Pump Air Conditioner Split System with R-454B Refrigerant (W5H5S48AKAAA-WCHL485AC) is a residential split-system heat pump designed to provide both heating and cooling. With a 4-ton capacity and 15 SEER2 efficiency, this system provides a practical solution for year-round comfort in compatible residential HVAC applications.

The system combines the W5H5S48AKAAA outdoor heat pump condenser with the WCHL485AC indoor coil. It uses R-454B refrigerant and is designed to operate as a matched split-system configuration when properly installed with compatible components.

Key Features

• 4 Ton Capacity – Designed for residential heating and cooling applications
• 15 SEER2 Efficiency – Provides efficient seasonal cooling performance
• R-454B Refrigerant – Uses lower-GWP A2L refrigerant technology
• Heat Pump Operation – Provides both heating and cooling
• Split-System Configuration – Combines an outdoor heat pump condenser with an indoor coil
• Scroll Compressor – Designed for reliable compressor operation
• Matched Indoor Coil – Includes the WCHL485AC indoor coil for the listed configuration
• Residential Application – Suitable for compatible home HVAC installations

Product Specifications

• Brand: Grandaire
• Outdoor Model: W5H5S48AKAAA
• Indoor Coil Model: WCHL485AC
• Product Type: Heat Pump Split System
• Nominal Capacity: 4 Ton
• Nominal Cooling Capacity: 48,000 BTU
• Efficiency: 15 SEER2
• System Type: Heat Pump
• Refrigerant: R-454B
• Compressor Type: Scroll
• Configuration: Split System
• Application: Residential Heating and Cooling

Benefits

• Provides both heating and cooling in one system
• Offers 4-ton capacity for residential applications
• Provides 15 SEER2 cooling efficiency
• Uses R-454B refrigerant technology
• Combines an outdoor heat pump with a compatible indoor coil
• Provides a complete split-system configuration
• Suitable for replacement and new residential HVAC installations

Compatibility & Installation

The Grandaire W5H5S48AKAAA-WCHL485AC is configured as a split-system combination consisting of the outdoor heat pump condenser and WCHL485AC indoor coil. Proper system performance depends on using compatible components and following the applicable installation requirements.

Installation considerations:

• Verify the 4-ton system size is appropriate for the application
• Confirm the outdoor unit and indoor coil are properly matched
• Verify electrical and refrigerant-line requirements
• Follow applicable R-454B/A2L installation and safety requirements
• Confirm proper airflow and ductwork configuration
• Follow manufacturer installation instructions and local codes
• Installation should be completed by a qualified HVAC professional

Frequently Asked Questions

What size is the Grandaire W5H5S48AKAAA-WCHL485AC system?
It is a 4-ton split-system heat pump with a nominal 48,000 BTU capacity.

What is the SEER2 rating?
The listed system is rated at 15 SEER2.

What refrigerant does this system use?
The system uses R-454B refrigerant.

Does this system provide both heating and cooling?
Yes. It is a heat pump split system designed for both heating and cooling.

What indoor coil is included?
The listed system includes the WCHL485AC indoor coil.