Daikin 25 Ton 300,000 BTU 9.8 EER Commercial Gas Packaged Unit | 208/230V 3 Phase – R32 – Single Stage

High-Capacity Heating and Cooling Gas/Electric Packaged Rooftop Unit for Commercial Applications with Direct-Drive Performance

The Daikin DSG3003DH00001S is a 25-ton commercial gas packaged unit designed to provide reliable year-round heating and cooling for large commercial buildings. Combining 400,000 BTU/h high-stage gas heating input with 290,000 BTU/h of cooling capacity, this all-in-one rooftop system helps deliver reliable comfort while simplifying equipment placement and installation.

Key Benefits

• 13 IEER / 9.8 EER Cooling Efficiency – Helps provide efficient cooling performance for large 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 for dependable staged cooling operation.
• Direct-Drive Supply Fan – Provides dependable airflow while eliminating belt-driven fan maintenance.
• Packaged Rooftop Configuration – Combines major heating and cooling components into one outdoor unit to help simplify installation and preserve indoor space.
• Galvanized-Steel Cabinet – Provides durable outdoor construction with a powder-paint finish designed to increase corrosion resistance.
• R-32 Refrigerant – Uses R-32 refrigerant in the standard-efficiency packaged cooling system.
• Factory-Wired and Tested – Helps support faster commissioning and start-up.

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.

290,000 BTU/h Cooling Performance

The cooling system provides 290,000 BTU/h of nominal cooling capacity with a 13 IEER and 9.8 EER efficiency rating. The system uses R-32 refrigerant and two individually circuited single-stage scroll compressors to provide separate refrigeration circuits. Large-face-area outdoor coils constructed with microchannel technology support efficient heat transfer and dependable cooling performance for large commercial spaces.

Efficient Performance with Direct-Drive Operation

With a 13 IEER and 9.8 EER efficiency rating, this system is designed to provide dependable commercial cooling performance. The direct-drive indoor fan provides airflow control without belt-driven components, helping simplify maintenance. Two individually circuited scroll compressors provide separate refrigeration circuits for reliable cooling operation.

Packaged Rooftop Design for Flexible Installation

The packaged rooftop configuration combines the gas furnace, compressors, coils, supply fan, and controls into a single outdoor unit, helping simplify equipment placement and preserve valuable indoor space. Daikin packaged rooftop units are designed with fast and easy installation in mind and are ideal for both new construction and retrofit projects. The units are built to be a direct replacement for most rooftop units in the field without the need for a curb adapter. The DSG3003DH00001S uses a 208/230-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 91.3 dB(A) sound level, an operating weight of 2,316 pounds, and a shipping weight of 2,431 pounds.

Controls & Comfort

The DSG3003DH00001S features a well-organized, large, weatherproof internal control box with easy access. Two-stage gas heating provides high- and low-stage operation, while two individually circuited single-stage scroll compressors provide separate refrigeration circuits. The direct-drive indoor fan provides airflow control, and factory wiring and testing help support faster commissioning and start-up.

Commercial Applications

The Daikin DSG3003DH00001S is designed for large commercial rooftop applications such as retail spaces, office buildings, restaurants, schools, warehouses, and other commercial facilities requiring packaged gas heating and electric cooling. Its 25-ton cooling capacity, 400,000 BTU/h high-stage gas heating input, direct-drive airflow system, and packaged rooftop configuration make it well suited for applications where reliable year-round comfort and efficient equipment placement are important.

Service & Maintenance

The DSG3003DH00001S is designed with serviceability in mind, including a draw-through filter section as standard and a large weatherproof internal control box with easy access. High- and low-pressure switches provide refrigeration-system protection, while the individually circuited cooling systems provide separate refrigeration circuits for service flexibility. The direct-drive indoor fan eliminates belt and pulley maintenance associated with belt-driven blower systems.

Warranty

The Daikin DSG3003DH00001S 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

• 15–25 Ton Daikin Roof Curb – Compatible with DSG Series packaged rooftop units
• Economizer – Compatible DSG Series factory-installed accessory
• Outdoor Air Damper – Compatible DSG Series accessory
• Commercial Control or Thermostat – Compatible DSG Series control accessory
• Duct Transition Accessory – Compatible DSG Series packaged rooftop units

High-Capacity Year-Round Comfort with the Daikin DSG3003DH00001S

Experience reliable year-round commercial comfort with the Daikin DSG3003DH00001S. Combining two-stage 400,000 BTU/h gas heating and efficient 290,000 BTU/h electric cooling with two individually circuited scroll compressors and direct-drive airflow in one packaged rooftop system, this 25-ton unit provides a practical, durable solution for large commercial applications.