Daikin 20 Ton 300,000 BTU 10.8 EER Commercial Gas Packaged Unit | 460V 3 Phase - R32 - Single Stage

High-Capacity Heating and Cooling Gas/Electric Packaged Rooftop Unit for Commercial Applications

The Daikin DSG2404DH00001S is a 20-ton commercial gas/electric packaged rooftop unit designed to provide reliable year-round heating and cooling for larger commercial buildings. Combining 400,000 BTU/h high-stage gas heating input with 230,000 BTU/h of cooling capacity, this all-in-one rooftop system helps deliver dependable comfort while simplifying equipment placement and preserving valuable indoor space.

Key Benefits

• 14.0 IEER / 10.8 EER Cooling Efficiency – Helps provide efficient cooling performance for larger commercial comfort applications.
• Two-Stage Gas Heating – Provides high- and low-stage heating operation to help match heating output to changing comfort requirements.
• Two Individually Circuited Scroll Compressors – Provides separate refrigeration circuits to support staged cooling operation and dependable performance.
• Direct-Drive Supply Fans – Provides dependable airflow while eliminating belt-driven fan maintenance.
• Packaged Rooftop Configuration – Combines major heating and cooling components in one outdoor unit to help preserve valuable indoor space.
• Galvanized-Steel Cabinet – Provides durable outdoor construction for demanding rooftop applications.
• Convertible Airflow Orientation – Supports downflow or horizontal applications for greater installation flexibility.
• Accessible Service Design – Provides convenient access to filters and internal components to help simplify routine maintenance.

Two-Stage 400,000 BTU/h Gas Heating for Reliable Comfort

The integrated gas furnace provides 400,000 BTU/h of high-stage heating input and 324,000 BTU/h of high-stage heating output, with 300,000 BTU/h low-stage heating input and 243,000 BTU/h low-stage heating output. Two-stage gas heating helps match heating output to changing comfort requirements. The heating section uses eight burners and a dual-diameter tubular heat exchanger with Wrinkle Bend Technology. The unit provides 81% thermal efficiency, with a high-stage temperature-rise range of 25–55°F and a low-stage temperature-rise range of 15–45°F.

230,000 BTU/h Cooling Performance

The cooling system provides 230,000 BTU/h of nominal cooling capacity with a 14.0 IEER and 10.8 EER efficiency rating. The system uses R-32 refrigerant and two individually circuited scroll compressors to provide staged cooling operation. The condenser uses microchannel coil technology to support efficient heat transfer and dependable cooling performance for larger commercial spaces.

Efficient Performance with Direct-Drive Operation

With a 14.0 IEER and 10.8 EER efficiency rating, the DSG2404DH00001S is designed to provide dependable commercial cooling performance. The direct-drive indoor fan provides reliable airflow without belt-driven components, while the two individually circuited scroll compressors provide separate refrigeration circuits for staged cooling operation.

Packaged Rooftop Design for Flexible Installation

The packaged rooftop configuration combines the gas furnace, compressors, coils, supply fans, and controls into a single outdoor unit, helping simplify equipment placement and preserve valuable indoor space. The unit is designed for both new construction and retrofit applications and supports convertible downflow or horizontal airflow configurations. The DSG2404DH00001S uses a 460-volt, three-phase, 60 Hz electrical supply and measures 133 7/8 inches wide by 88 1/2 inches deep by 51 inches high. The unit has a sound level of 92.1 dB(A) and a shipping weight of 2,290 pounds.

Controls & Comfort

The DSG2404DH00001S features a 24-volt electromechanical controls package. Two-stage gas heating provides high- and low-stage operation, while two individually circuited scroll compressors provide staged cooling operation. The direct-drive supply fan provides dependable airflow, and the convertible airflow configuration supports either downflow or horizontal installation.

Commercial Applications

The Daikin DSG2404DH00001S is designed for larger commercial rooftop applications where dependable gas heating and electric cooling are required from a single packaged system. Its 20-ton cooling capacity, 400,000 BTU/h high-stage gas heating input, dual refrigeration circuits, direct-drive airflow system, and convertible airflow configuration make it well suited for applications such as large retail spaces, offices, restaurants, schools, warehouses, and other commercial buildings.

Service & Maintenance

The DSG2404DH00001S is designed with service accessibility in mind, including accessible filter and control sections. The individually circuited refrigeration systems provide separate cooling circuits for service flexibility, while the direct-drive indoor fan eliminates belt and pulley maintenance associated with belt-driven blower systems. Factory-installed components and controls help support efficient commissioning and routine service.

Warranty

The Daikin DSG2404DH00001S includes a 20-year heat exchanger limited warranty and a 5-year parts limited warranty. Complete warranty details and conditions are subject to the applicable Daikin warranty documentation.

Recommended Accessories

• Compatible Daikin Roof Curb – DSG Series 15–25 Ton Accessory
• Compatible Economizer – DSG Series 15–25 Ton Accessory
• Compatible Outdoor Air Damper – DSG Series Accessory
• Compatible Commercial Control or Thermostat – DSG Series Accessory
• Compatible Duct Transition Accessory – DSG Series Accessory

High-Capacity Year-Round Comfort with the Daikin DSG2404DH00001S

Experience reliable year-round commercial comfort with the Daikin DSG2404DH00001S. Combining two-stage 400,000 BTU/h gas heating and efficient 230,000 BTU/h electric cooling with two individually circuited scroll compressors and direct-drive airflow in one packaged rooftop system, this 20-ton unit provides a practical, flexible solution for larger commercial applications.