Daikin 10 Ton 11.4 EER / 16.4 IEER Commercial Split Air Conditioning System | 460V 3 Phase - R32 - Two Stage

High-Efficiency 10-Ton Commercial Split Air Conditioner for Commercial Buildings with Two-Stage Cooling

The Daikin DC6TE12040 / DAQ12034 is a nominal 10-ton commercial split air conditioning system designed to provide high-capacity ducted cooling for commercial buildings and other compatible applications. Combining the DC6TE12040 outdoor condensing unit with the DAQ12034 commercial air handler, this system features a two-stage tandem compressor design, R-32 refrigerant, and an indoor air handler equipped with two direct-drive, 5-speed blower motors. The outdoor unit delivers a published rated cooling capacity of 118,000 BTU/h, with an EER of 11.4 and a model designation indicating 16.4 IEER. Both units are designed for 460V, 60Hz, three-phase electrical service. This configuration combines commercial cooling capacity, flexible airflow settings, and service-friendly construction for compatible commercial ducted applications.

Key Benefits

• 16.4 IEER Commercial Efficiency Rating – Provides a published integrated energy efficiency rating for evaluating cooling performance across varying commercial operating conditions.
• 10-Ton Nominal System Capacity – Combines a nominal 120,000 BTU/h air handler with an outdoor unit rated at 118,000 BTU/h in the manufacturer's specified tested combination.
• Two-Stage Tandem Compressor – Provides two-stage cooling operation to accommodate changing cooling demands in commercial environments.
• Dual 5-Speed Blower Motors – The DAQ12034 air handler uses two direct-drive, 5-speed motors to provide airflow adjustment flexibility for compatible commercial duct systems.
• Copper-Tube and Aluminum-Fin Coils – Support heat transfer through the indoor and outdoor coil assemblies during cooling operation.
• R-32 Refrigerant Technology – Uses R-32 refrigerant with a factory-installed leak mitigation system in the compatible indoor air handler.
• 460V Three-Phase Electrical Compatibility – Supports commercial installations with compatible 460V, 60Hz, three-phase electrical service.
• Service-Friendly Cabinet Design – Features removable air handler access panels, an integrated filter rack with an included 2-inch filter, and accessible electrical connections to support installation and maintenance.

10-Ton Commercial Cooling Capacity

The Daikin DC6TE12040 / DAQ12034 split system is designed for commercial applications requiring substantial ducted cooling capacity. The DC6TE12040 outdoor condensing unit provides a published rated cooling capacity of 118,000 BTU/h under the manufacturer's specified AHRI-rated high-sales-volume tested combination. The DAQ12034 air handler has a nominal cooling capacity of 120,000 BTU/h. The outdoor unit uses a two-stage tandem compressor design to provide cooling at different compressor stages. Actual system capacity and performance depend on the approved indoor and outdoor equipment combination, indoor and outdoor operating conditions, airflow, refrigerant charge, and installation quality. Confirm the certified performance data for the specified equipment combination before final system selection.

Two-Stage Compressor Technology for Commercial Cooling Performance

The DC6TE12040 outdoor condensing unit features a two-stage tandem compressor design that allows the system to operate at different cooling stages according to demand. This configuration supports adaptable cooling operation for commercial environments with varying thermal loads. The unit uses R-32 refrigerant and has a published EER of 11.4 for the manufacturer's specified rated combination. Additional features include a high-efficiency copper-tube and aluminum-fin condenser coil, brass liquid and suction service valves, high- and low-pressure switches, and a factory-installed filter drier. These components support heat transfer, refrigeration-system protection, and routine service procedures.

16.4 IEER Efficiency for Commercial Operation

The Daikin DC6TE12040 submittal identifies the unit as a 16.4 IEER commercial air conditioner and lists an EER of 11.4 for the specified rated combination. The Integrated Energy Efficiency Ratio (IEER) evaluates commercial air conditioning efficiency across multiple operating conditions and part-load scenarios, making it useful when assessing equipment intended for buildings with changing cooling demands. The two-stage compressor design provides different levels of cooling output to accommodate varying loads. Actual energy consumption depends on building occupancy, outdoor conditions, thermostat settings, duct design, maintenance, and operating schedules. SEER2 and EER2 ratings are not listed in the referenced DC6TE12040 submittal and should not be inferred from the IEER and EER values.

Split System Design for Flexible Commercial Installation

The split system configuration separates the DC6TE12040 outdoor condensing unit from the DAQ12034 indoor air handler, allowing equipment placement to be adapted to the building layout. The outdoor unit uses 5/8-inch liquid and 1-1/8-inch suction service valve connections. It is factory charged for 15 feet of refrigerant piping, with a published maximum total piping length of 150 feet and maximum vertical separation of 25 feet. The specified additional refrigerant charge is 1.62 ounces per foot, subject to Daikin's line-sizing and charging instructions. The DAQ12034 features a heavy-gauge, reinforced galvanized-steel cabinet with horizontal and vertical condensate pans. Confirm refrigerant piping requirements, allowable line lengths, additional charge, clearances, and approved equipment compatibility against the current Daikin installation documentation before installation.

Airflow, Controls & Indoor Comfort

The DAQ12034 commercial air handler features two direct-drive, 5-speed blower motors and two thermal expansion valves for refrigerant metering. Its copper-tube and aluminum-fin coils support heat transfer, while the built-in filter rack accommodates an included 2-inch filter. The dual-motor configuration provides airflow adjustment flexibility for compatible commercial duct systems. The air handler also incorporates an R-32 leak mitigation system designed for the refrigerant application. Compatible thermostat and control equipment must be selected according to the approved indoor and outdoor equipment combination and Daikin's installation requirements. Proper airflow setup, refrigerant charging, and control configuration are essential for achieving reliable cooling performance.

Commercial Applications and Installation Flexibility

The Daikin DC6TE12040 / DAQ12034 is intended for suitable commercial ducted cooling applications requiring a nominal 10-ton-class split system. Potential applications include appropriately sized offices, retail buildings, educational facilities, restaurants, and other commercial spaces with compatible cooling loads and ductwork. The two-stage compressor design supports changing cooling demands, while the separate indoor and outdoor components provide flexibility in equipment placement. Both the DC6TE12040 outdoor unit and DAQ12034 air handler are designed for 460V, 60Hz, three-phase electrical service. The outdoor unit has a minimum circuit ampacity of 20.8 A and maximum overcurrent protection of 25 A. Verify the indoor air handler's electrical requirements against its nameplate and installation documentation before installation.

Service & Maintenance Features

The DC6TE12040 outdoor unit includes high- and low-pressure switches, brass refrigerant service valves, and a factory-installed filter drier. Its heavy-gauge galvanized-steel cabinet features a sound-control top, a steel louver coil guard, and raised bottom pan rails that elevate the unit above the supporting surface. When properly anchored, the outdoor unit is designed to meet the referenced 2010 Florida Building Code unit-integrity requirements for hurricane-type winds; appropriate anchoring is required. The DAQ12034 air handler features a reinforced galvanized-steel cabinet, fiberglass blanket insulation, horizontal and vertical condensate pans, and removable access panels to facilitate servicing. The built-in filter rack includes a 2-inch filter. Routine maintenance should include filter inspection and replacement, indoor and outdoor coil cleaning, condensate drainage checks, electrical connection inspection, and verification of refrigerant charge and airflow by qualified service personnel. All R-32 refrigerant work must follow Daikin's applicable installation and safety requirements.

Warranty

The Daikin DC6TE commercial split air conditioner series includes a 5-Year Parts Limited Warranty. The DAQ commercial air handler series also lists a 5-Year Parts Limited Warranty. Online registration must be completed within 60 days of installation to receive the 5-Year Parts Limited Warranty where registration is required by applicable law. Other limitations and exclusions apply, and coverage conditions may vary by jurisdiction. Consult the applicable Daikin warranty certificate and product documentation to confirm coverage and registration requirements for the DC6TE12040 and DAQ12034 equipment combination.

Recommended Accessories

• Compatible Commercial Thermostat or Controller – Select a control compatible with the DC6TE12040 two-stage cooling system and DAQ12034 air handler configuration.
• Outdoor Equipment Pad or Structural Support – Provides suitable support for the outdoor condensing unit according to the installation location and manufacturer's requirements.
• Electrical Disconnects – Select appropriately rated disconnects for the outdoor unit and air handler based on their respective nameplates and applicable electrical codes.
• Refrigerant Line Set – Select compatible refrigerant piping with 5/8-inch liquid and 1-1/8-inch suction connections, following Daikin's line-sizing, piping-length, and charging requirements.
• Commercial Duct Transitions and Connectors – Select appropriately sized duct transitions and connections to match the DAQ12034 air handler and the building's duct design.
• Replacement 2-Inch Air Filter – Use a compatible replacement filter sized for the DAQ12034 built-in filter rack.
• Condensate Drain Components – Select compatible drain piping, traps, and fittings for the air handler's 3/4-inch condensate connection and the installation requirements.
• Outdoor Unit Anchor Bracket Kit – Select a compatible anchoring kit where required by local wind-load regulations and the outdoor unit's installation conditions.

High-Capacity Commercial Cooling with the Daikin DC6TE12040 / DAQ12034

Experience dependable commercial cooling with the Daikin DC6TE12040 / DAQ12034 split system air conditioner. Combining a nominal 10-ton outdoor condensing unit with a commercial air handler featuring two direct-drive, 5-speed blower motors, this system offers two-stage tandem compressor technology, R-32 refrigerant, a published rated cooling capacity of 118,000 BTU/h, and service-friendly equipment construction. Designed for compatible commercial ducted applications, it provides a flexible split system configuration for projects requiring substantial cooling capacity and 460V three-phase electrical service.