The Grandaire 1.5 Ton 14.5 SEER2 Heat Pump Air Conditioner Split System with R-454B Refrigerant (W5H5S18AKAAA-WCHL185AA) is a residential split-system heat pump designed to provide both heating and cooling in a single HVAC system. With a 1.5-ton capacity and 14.5 SEER2 efficiency, it is suited for compatible residential applications requiring year-round temperature control.

The system combines the W5H5S18AKAAA outdoor heat pump condenser with the WCHL185AA indoor coil. It uses R-454B refrigerant and is designed to operate as a matched split-system configuration when installed with compatible components.

Key Features

• 1.5 Ton Capacity – Designed for residential heating and cooling applications
• 14.5 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 a compatible indoor coil
• Scroll Compressor – Designed for dependable compressor operation
• Matched Indoor Coil – Includes the WCHL185AA indoor coil
• Residential Application – Suitable for compatible home HVAC installations
• Outdoor Condenser Design – Designed for exterior installation

Product Specifications

• Brand: Grandaire
• Outdoor Model: W5H5S18AKAAA
• Indoor Coil Model: WCHL185AA
• Product Type: Heat Pump Split System
• Nominal Capacity: 1.5 Ton
• Nominal Cooling Capacity: 18,000 BTU
• Efficiency: 14.5 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 from one system
• Offers 1.5-ton capacity for compatible residential applications
• Delivers 14.5 SEER2 seasonal 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 HVAC installations

Compatibility & Installation

The Grandaire W5H5S18AKAAA-WCHL185AA is configured as a split-system heat pump consisting of the outdoor condenser and WCHL185AA indoor coil. Proper system performance depends on correct equipment matching and installation.

Installation considerations:

• Verify the 1.5-ton system size is appropriate for the application
• Confirm the condenser and indoor coil are properly matched
• Verify electrical requirements before installation
• Confirm refrigerant line sizing and connections
• Follow applicable R-454B/A2L installation and safety requirements
• Verify 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 W5H5S18AKAAA-WCHL185AA system?
It is a 1.5-ton split-system heat pump with a nominal 18,000 BTU cooling capacity.

What is the SEER2 rating?
The listed system is rated at 14.5 SEER2.

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

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

What indoor coil is included?
The listed system includes the WCHL185AA indoor coil.