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- SEER2 rating helps consumers compare energy efficiency when choosing a new air conditioner. Higher SEER2 ratings mean significant utility savings. The federal minimum is 14 SEER2 with ratings into the 20 SEER2 range. A 20 SEER2 uses half the energy of a 10 seer much like MPG ratings for vehicles.
- Good for extreme southern climates with very low heating demand such as south Florida and south Texas (otherwise a heat pump is the best option)
Daikin 20 Ton Commercial Package Unit AC With Electric Heat - 14.2 IEER, 208-230/3/60, Two Stage, R32
- Package Unit: DSC2403D000001S
- Heating Element – Optional electric heat kit available to provide supplemental heating and enhance indoor comfort.
- Roof Curb: Choose the option that fits your installation
- Damper: Pick the option that works for your setup
- SEER2 rating helps consumers compare energy efficiency when choosing a new air conditioner. Higher SEER2 ratings mean significant utility savings. The federal minimum is 14 SEER2 with ratings into the 20 SEER2 range. A 20 SEER2 uses half the energy of a 10 seer much like MPG ratings for vehicles.
- Good for extreme southern climates with very low heating demand such as south Florida and south Texas (otherwise a heat pump is the best option)
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Daikin 20 Ton Commercial Package Unit AC Cooling Only - 14.2 IEER, 208-230/3/60, Two Stage, R32
Model Number
DSC2403D000001S
Dimensions
133-7/8" W x 88-1/2" D x 51" H
Documents
DSC2403D000001S Specifications
Warranty
Parts: 5 years
Heat Kit Options
Roof Curb Options
Daikin Hurricane Roof Curb Restraint Clips – Wind Rated, 15 to 25 Ton Package Units
Model Number
GHRC-180300
Documents
Damper Options
Daikin 20 Ton Commercial AC | 208-230V/3Ph | DSC2403D000001S
20-Ton Cooling Power for Large Commercial Buildings
The Daikin DSC2403D000001S rooftop AC unit delivers 230,000 BTU of cooling with 11 EER and 14.2 IEER efficiency ratings. Built for 208-230V three-phase power, it’s an excellent fit for warehouses, auditoriums, and retail spaces.
Engineered with dual scroll compressors, ECM fans, and R-32 refrigerant, this unit balances strong performance with eco-conscious operation.
- Cooling Capacity: 230,000 BTU (20 Ton)
- Efficiency: 11 EER / 14.2 IEER
- Electrical: 208-230V / 3 Phase / 60 Hz
- Dual scroll compressors for load flexibility
- Microchannel condenser technology for efficiency
- Factory-charged with low-GWP R-32 refrigerant
- Strong galvanized steel cabinet
Daikin EHX-3L Series Electric Heat Kits – 30 kW, 45 kW, 60 kW, 75 kW | 208-230V, 3 Phase, 60Hz
Large-capacity heating solutions for commercial and industrial applications
The Daikin EHX-3L series electric heat kits are engineered to deliver high-capacity heating for commercial packaged rooftop units operating on 208-230V, 3-phase power. Available in 30 kW (EHX-3L30), 45 kW (EHX-3L45), 60 kW (EHX-3L60), and 75 kW (EHX-3L75) models, this series is built to meet the heavy heating demands of large commercial and industrial spaces.
Factory-approved and constructed with durable, heavy-duty components, the EHX-3L series ensures seamless integration with Daikin rooftop systems. These electric heat kits provide powerful supplemental or primary heating, offering reliable performance and consistent comfort even in the most demanding environments.
Features & Benefits
- Available in 30 kW, 45 kW, 60 kW, and 75 kW capacities
- 208-230V, 3 Phase, 60Hz power configuration
- Designed for Daikin commercial packaged rooftop units
- Provides high-capacity supplemental or primary heating
- Factory-approved for proper fit and reliable installation
- Heavy-duty construction ensures durability and long service life
- Ideal for large commercial and industrial facilities
Daikin Roof Curbs – Models 14CURB180300, 18CURB180300, 24CURB180300 | 15–25 Ton Commercial Packaged Units
Durable, height-specific roof curbs for Daikin large commercial rooftop systems
The Daikin 14CURB180300, 18CURB180300, and 24CURB180300 roof curbs provide secure and code-compliant mounting solutions for Daikin 15–25 ton commercial packaged rooftop units. Available in 14-inch, 18-inch, and 24-inch heights, these factory-approved curbs allow contractors to match installation needs based on roof pitch, insulation thickness, or airflow requirements.
Built from heavy-gauge galvanized steel, each curb features a knock-down design for easier shipping and assembly, along with integrated wood nailers for secure attachment to the roof deck. These roof curbs ensure a stable, level, and weather-tight seal, promoting optimal airflow and system efficiency while protecting against roof leaks and vibration transfer.
Features & Benefits
- Factory-approved roof curbs for 15–25 ton Daikin packaged rooftop units
- Available in 14”, 18”, and 24” heights to suit different installation needs
- Heavy-duty galvanized steel construction for long-lasting durability
- Knock-down design simplifies transportation and on-site assembly
- Integrated wood nailer for secure, code-compliant installation
- Ensures proper airflow and duct alignment for system performance
- Provides a level, weather-sealed mounting surface for rooftop installations
- Ideal for new construction or retrofit commercial HVAC applications
Daikin Fresh Air Dampers – Models S25FD180300, S25MFD180300 & S50MFD180300 | 15–25 Ton Commercial Packaged Units
Reliable fresh-air ventilation solutions for large Daikin rooftop systems
The Daikin S25FD180300, S25MFD180300, and S50MFD180300 fresh air dampers are engineered to deliver dependable ventilation control for 15–25 ton Daikin commercial packaged rooftop units. These factory-approved accessories help maintain proper indoor air quality and building code compliance by introducing fresh outdoor air into the HVAC system.
The S25FD180300 features a manual 25% damper for fixed ventilation needs, offering a simple and reliable way to introduce outside air. The S25MFD180300 is a motorized 25% damper that opens and closes automatically with system operation, improving efficiency by minimizing energy waste. The S50MFD180300 provides a 50% motorized damper for applications requiring higher outdoor air volumes, such as large commercial spaces or high-occupancy buildings. Each unit is built with durable materials to withstand harsh rooftop environments and ensure long-lasting performance.
Features & Benefits
- Designed for Daikin 15–25 ton commercial packaged rooftop systems
- Available in 25% and 50% fresh-air configurations
- S25FD180300: Manual 25% damper for steady, fixed airflow
- S25MFD180300: Motorized 25% damper for automatic ventilation control
- S50MFD180300: Motorized 50% damper for greater outdoor air intake
- Improves indoor air quality and supports ventilation code compliance
- Reduces energy loss by closing when ventilation is not needed
- Factory-approved and constructed from heavy-duty materials for rooftop durability
- Ideal for large commercial or industrial HVAC applications
Who installs the AC unit after I purchase it?
ACDirect does not yet provide installation services directly. However, most of our customers successfully arrange installation through local licensed HVAC contractors. These systems are designed for professional installation and typically include the components your installer will need.
Here’s how it works:
- Hire a licensed HVAC technician in your area
- Use platforms like Angi, Thumbtack, or a local HVAC directory to find reliable professionals
- Confirm your installer is experienced with the system type you’re purchasing
Note:
Please be aware if you choose to install HVAC equipment yourself and don’t possess proper HVAC licensing, you will void the manufacturer’s factory warranty. If you are capable of a factory-compliant installation yourself, you will need a licensed HVAC contractor to sign off on your work, fully confirming factory-compliant workmanship.
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