Daikin 7.5 Ton 11.4 EER / 16 IEER Commercial Split Heat Pump System | 460V 3 Phase - R32 - Two Stage

High-Capacity Commercial Comfort with a 7.5-Ton Split Heat Pump System for Light Commercial Applications

The Daikin DH6TE09040 / DAQ09034 is a nominal 7.5-ton commercial split heat pump system designed to provide year-round heating and cooling for suitable ducted applications. Combining the DH6TE09040 outdoor heat pump with the DAQ09034 indoor air handler, this system features a two-stage tandem compressor, R-32 refrigerant, and commercial three-phase electrical operation. The outdoor unit delivers a rated cooling capacity of 92,000 BTU/h and a rated heating capacity of 85,000 BTU/h under specified test conditions. The indoor air handler features two five-speed direct-drive blower motors, dual thermal expansion valves (TXVs), and an insulated, reinforced cabinet designed for light commercial installations.

Key Benefits

• High-Capacity Commercial Performance – The nominal 7.5-ton system delivers rated cooling capacity of 92,000 BTU/h and rated heating capacity of 85,000 BTU/h under specified test conditions.
• Two-Stage Heat Pump Operation – The outdoor unit's two-stage tandem compressor provides two operating levels to respond to changing heating and cooling demands.
• Commercial Cooling Efficiency – The DH6TE09040 has a published EER of 11.40 and a 16.0 IEER designation, supporting commercial energy-efficiency evaluation.
• Year-Round Heating and Cooling – Reversible heat pump technology provides both heating and cooling through one outdoor unit.
• Dual Five-Speed Blower Motors – The DAQ09034 uses two five-speed direct-drive motors to provide airflow adjustment for suitable ducted applications.
• Dual Thermal Expansion Valves – Two TXVs help regulate refrigerant flow through the indoor coil during system operation.
• R-32 Leak Mitigation System – The DAQ09034 incorporates an R-32 refrigerant leak mitigation system as part of its indoor-unit design.
• Insulated Commercial Cabinet – The reinforced, galvanized-steel cabinet with fiberglass insulation is designed for commercial installation environments.
• Convenient Service Access – Removable access panels, a built-in filter rack, and top-entry electrical connections help simplify installation and routine maintenance.

Two-Stage Heat Pump Heating for Year-Round Comfort

The Daikin DH6TE09040 provides a rated heating capacity of 85,000 BTU/h under specified test conditions. Its two-stage tandem compressor allows the system to operate at different capacity levels in response to heating demand. The outdoor unit has a published heating coefficient of performance (COP) of 3.5 at the manufacturer's rated heating conditions. Its specified outdoor heating operating range extends from -5°F to 70°F, subject to the manufacturer's operating requirements and installation conditions. Supplemental heating, if required, must be provided through a compatible auxiliary heating solution selected for the approved indoor-unit configuration. Verify thermostat controls, electrical requirements, and supplemental heating provisions against the applicable Daikin documentation.

7.5-Ton Cooling Performance for Commercial Comfort

The DH6TE09040 provides a rated cooling capacity of 92,000 BTU/h under specified test conditions. Its two-stage tandem compressor and copper-tube, aluminum-fin outdoor coil are designed to support heat transfer and dependable cooling operation. The outdoor unit has a published EER rating of 11.40 and an IEER designation of 16.0. EER measures efficiency at specified operating conditions, while IEER evaluates integrated efficiency across multiple commercial operating conditions. Its specified cooling operating range is 55°F to 125°F outdoor dry-bulb temperature. Actual system performance depends on the approved indoor and outdoor equipment combination, indoor airflow, duct design, installation conditions, and operating environment.

Commercial Efficiency and Refrigeration Technology

The DH6TE09040 incorporates a two-stage tandem compressor design with an internal pressure release valve. Standard outdoor-unit features include a high-capacity, steel-cased bi-flow heat pump filter drier, liquid refrigerant return protection, a heating-mode check flowrater expansion device, high- and low-pressure switches, and a discharge-line muffler. Its time-initiated, temperature-terminated defrost control supports heat pump operation during colder weather. The outdoor unit uses R-32 refrigerant and a high-efficiency copper-tube, aluminum-fin heat exchanger. The DAQ09034 indoor air handler incorporates two TXVs, copper-tube and aluminum-fin coils, and an R-32 leak mitigation system. These components support refrigerant management, heat transfer, and dependable commercial operation when installed and commissioned according to Daikin's requirements.

Split-System Design for Flexible Commercial Installation

The split-system configuration separates the DH6TE09040 outdoor heat pump from the DAQ09034 indoor air handler, allowing flexibility in equipment placement and duct routing. The outdoor unit features brass liquid and suction service valves with sweat connections and service ports. The liquid-line connection is 5/8 inch, and the suction-line connection is 1-1/8 inch. The outdoor unit has a factory holding refrigerant charge of 110 ounces and is precharged for 15 feet of piping. Additional refrigerant charge is specified at 1.54 ounces per foot when required by the actual piping installation. The maximum total refrigerant line length is 150 feet, with a maximum vertical separation of 25 feet, subject to the manufacturer's installation requirements. The DAQ09034 measures approximately 24.19 inches high, 60.47 inches wide, and 48.09 inches deep. Refrigerant piping, duct connections, clearances, condensate drainage, and approved equipment compatibility must be verified before installation.

Controls and Indoor Air Distribution

The system requires compatible heat pump controls and a thermostat selected for the approved equipment configuration. The DAQ09034 features two five-speed direct-drive blower motors to provide airflow adjustment for ducted air distribution. Its dual TXVs regulate refrigerant flow through the indoor coil, while the copper-tube and aluminum-fin coil construction supports heat transfer during heating and cooling. The indoor unit includes a built-in filter rack with a 2-inch filter, horizontal and vertical condensate pans, and top-entry connections for high- and low-voltage wiring. Thermostat compatibility, blower-speed settings, airflow requirements, auxiliary heating provisions, and wiring must be verified against the applicable Daikin installation instructions.

Light Commercial Applications

The Daikin DH6TE09040 / DAQ09034 is designed for nominal 7.5-ton commercial heating and cooling applications where the required capacity, ductwork, electrical supply, and approved equipment configuration meet project requirements. Potential applications include offices, retail spaces, and other suitable light commercial buildings requiring ducted comfort conditioning. Both units operate on 460V, 60 Hz, three-phase power. The DH6TE09040 outdoor unit has a minimum circuit ampacity of 17.9 A and a maximum overcurrent protection rating of 20 A. The DAQ09034 indoor air handler's electrical protection and circuit requirements must be confirmed from its nameplate and applicable installation documentation. Each unit must be connected according to its own electrical requirements and applicable codes. Proper load calculations, duct design, airflow setup, and professional commissioning are essential for dependable performance.

Serviceability and Maintenance

The DH6TE09040 features accessible refrigerant service ports, brass liquid and suction service valves, high- and low-pressure switches, a bi-flow heat pump filter drier, and a discharge-line muffler. Its heavy-gauge galvanized-steel cabinet has a nickel-gray powder-coated finish, a steel louvered coil guard, and bottom pan rails that elevate the unit above the mounting surface. The sound-control top design supports the outdoor unit's commercial installation requirements. When properly anchored using an approved configuration, the unit meets the manufacturer's stated 2010 Florida Building Code unit-integrity requirements for hurricane-type winds. The DAQ09034 features removable access panels, a built-in filter rack, top-entry high- and low-voltage connections, horizontal and vertical condensate pans, and a reinforced, fiberglass-insulated cabinet. Routine maintenance should include filter inspection and replacement, coil cleaning, condensate drainage checks, electrical connection inspections, and refrigerant-system checks by qualified HVAC personnel in accordance with Daikin's maintenance instructions.

Warranty

The Daikin DH6TE09040 and DAQ09034 are covered by the applicable Daikin limited warranty terms. The DAQ commercial air handler product information specifies a 5-Year Parts Limited Warranty when online registration is completed within 60 days of installation, subject to applicable terms and regional requirements. Confirm the exact warranty coverage for both units, including registration requirements, coverage duration, and exclusions, using the current Daikin warranty certificate. Refer to Daikin's official warranty documentation for complete terms and conditions.

Recommended Accessories

• Compatible Heat Pump Thermostat – Select controls approved for the DH6TE09040 two-stage heat pump and DAQ09034 indoor air handler.
• Approved Auxiliary Heating Solution – Verify whether supplemental heating is required and select compatible equipment according to Daikin's installation requirements.
• Outdoor Equipment Pad or Mounting Support – Select a support rated for the outdoor unit's dimensions, weight, and installation environment.
• Electrical Disconnects and Overcurrent Protection – Select separate electrical protection and disconnect equipment according to each unit's nameplate and applicable codes.
• Refrigerant Line Set and Duct Transitions – Size the refrigerant piping and duct components according to the approved equipment configuration and site-specific installation requirements.
• Replacement Air Filters – Use compatible 2-inch filters sized for the DAQ09034's built-in filter rack.

High-Capacity Commercial Comfort with the Daikin DH6TE09040 / DAQ09034

Support year-round comfort in suitable light commercial spaces with the Daikin DH6TE09040 / DAQ09034 split heat pump system. Combining nominal 7.5-ton outdoor heat pump capacity, two-stage tandem compressor technology, R-32 refrigerant, and a commercial indoor air handler with dual five-speed blower motors and an integrated leak mitigation system, this configuration offers a ducted heating and cooling solution for projects that meet Daikin's equipment compatibility, electrical, airflow, and installation requirements.