Daikin 5 Ton 14.3 SEER2 Heat Pump and Multi-Positional Air Handler System | 460V 3 Phase - R32 - Single Stage

Reliable Year-Round Comfort with a 5-Ton Commercial Split Heat Pump System for Light Commercial Applications

The Daikin DH4SEA6040 / AMST60DU1300 is a nominal 5-ton commercial split heat pump system designed to provide year-round heating and cooling for suitable ducted applications. Combining the DH4SEA6040 outdoor heat pump with the AMST60DU1300 indoor air handler, this system features a high-efficiency Copeland scroll compressor, R-32 refrigerant, and flexible ducted air distribution. The outdoor unit operates on 460V, 60 Hz, three-phase power, making it suitable for commercial facilities with the appropriate electrical infrastructure. With rated cooling capacity of 60,000 BTU/h and rated heating capacity of 60,000 BTU/h under specified test conditions, this system provides a high-capacity solution for appropriately sized commercial and light commercial spaces.

Key Benefits

• High-Efficiency Performance – The DH4SEA6040 has published ratings of 14.3 SEER2, 12.5 EER2, and 8.2 HSPF2, supporting efficient heating and cooling operation under rated conditions.
• Year-Round Heat Pump Heating – Reversible heat pump technology provides heating and cooling through one outdoor unit, reducing the need for separate primary heating and cooling equipment.
• 5-Ton Nominal Capacity – The outdoor heat pump provides nominal 60,000 BTU/h capacity, with rated cooling and heating capacities of 60,000 BTU/h and 60,000 BTU/h, respectively, under specified test conditions.
• Flexible Indoor Air Distribution – The AMST60DU1300 indoor air handler is designed for ducted applications to distribute conditioned air throughout the served space.
• Commercial Electrical Configuration – The 460V three-phase outdoor unit supports installations equipped with the required commercial electrical supply.
• Advanced Compressor Technology – The Copeland scroll compressor and CoreSense technology support dependable operation and compressor protection.
• Enhanced Heat Transfer – The outdoor coil uses aluminum fins and 7 mm diameter copper tubing to support heat transfer during heating and cooling.
• Refrigerant System Protection – Factory-installed pressure switches, a suction-line accumulator, and a bi-flow liquid-line filter drier support refrigeration-system protection.
• Service-Friendly Cabinet – Removable top access, side maintenance access, and a single-panel control compartment help facilitate inspection and servicing.

High-Capacity Heat Pump Heating for Year-Round Comfort

The Daikin DH4SEA6040 provides a nominal 5-ton heating capacity, with a rated heating capacity of 60,000 BTU/h under specified test conditions. Its single-stage Copeland scroll compressor supports reversible heat pump operation, transferring heat into the indoor space during heating mode. The outdoor unit has a published HSPF2 rating of 8.2, reflecting its rated seasonal heating efficiency. Its specified outdoor heating operating range extends from -20°F to 70°F, subject to the manufacturer's operating requirements and installation conditions. Supplemental electric heat may be provided through a compatible field-installed heater kit for the AMST60DU1300 where required. Heater-kit compatibility, electrical requirements, airflow settings, and auxiliary heat controls must be verified against the applicable Daikin installation documentation.

5-Ton Cooling Performance for Commercial Comfort

The DH4SEA6040 outdoor heat pump delivers nominal 60,000 BTU/h cooling capacity, equivalent to 5 tons, with a rated cooling capacity of 60,000 BTU/h under specified test conditions. Its Copeland scroll compressor and enhanced aluminum fin coil with 7 mm diameter copper tubing are designed to support heat transfer and dependable cooling operation. The outdoor unit has published efficiency ratings of 14.3 SEER2 and 12.50 EER2. Its specified cooling operating range is 55°F to 125°F outdoor dry-bulb temperature. Actual system capacity and efficiency depend on the matched indoor equipment, indoor airflow, installation conditions, refrigerant charge, and operating environment. Refer to the applicable Daikin matched-system performance documentation for certified ratings and expanded performance data.

Energy Efficiency and Refrigeration Technology

The DH4SEA6040 incorporates a high-efficiency Copeland scroll compressor and advanced Copeland CoreSense technology. Standard outdoor-unit components include a factory-installed bi-flow liquid-line filter drier, suction-line accumulator, compressor crankcase heater, high-capacity muffler, and high- and low-pressure switches. Time-delay technology supports quiet, reliable defrost operation during heating. The outdoor unit uses R-32 refrigerant and is factory charged for 15 feet of refrigerant tubing. Additional refrigerant charge must be calculated according to actual piping length and the manufacturer's installation instructions. The outdoor coil features aluminum fins with 7 mm diameter copper tubing to support heat transfer. Together, these features are designed to support dependable refrigeration performance, compressor protection, and efficient operation across the specified operating range.

Split-System Design for Flexible Installation

The split-system configuration separates the DH4SEA6040 outdoor heat pump from the AMST60DU1300 indoor air handler, allowing flexibility in equipment placement and duct routing. The outdoor unit features sweat-connection refrigerant service valves with accessible gauge ports, a 3/8-inch liquid-line connection, and a 1-1/8-inch suction-line connection. The factory refrigerant charge accommodates 15 feet of tubing, with additional charge determined according to the manufacturer's installation instructions. The outdoor unit supports a maximum total refrigerant piping length of 200 feet and a maximum vertical separation of 79 feet, subject to the specified installation requirements. The AMST60DU1300 provides ducted indoor air distribution for the served building. Refrigerant piping, TXV selection, duct connections, electrical supplies, installation clearances, and equipment compatibility must be verified against the applicable Daikin documentation before installation.

Controls and Indoor Comfort

The system requires compatible heat pump controls and a suitable thermostat selected for the approved equipment configuration. The indoor air handler distributes conditioned air through connected ductwork, while the outdoor heat pump provides heating and cooling through reversible refrigeration operation. Compatible field-installed electric heat kits may provide supplemental heating where required. Thermostat selection, blower settings, auxiliary heat operation, heater-kit compatibility, and system wiring must be verified against the manufacturer's instructions for the specific indoor and outdoor equipment combination. Proper airflow setup and commissioning are essential for achieving the intended system performance.

Commercial and Ducted Applications

The Daikin DH4SEA6040 / AMST60DU1300 is intended for nominal 5-ton heating and cooling applications where the required capacity, duct design, electrical supply, and approved equipment configuration meet project requirements. Potential applications include offices, retail spaces, and other suitable commercial or light commercial buildings requiring ducted comfort conditioning. The DH4SEA6040 operates on 460V, 60 Hz, three-phase power, with a minimum circuit ampacity of 10.4 A and a maximum overcurrent protection rating of 15 A. The AMST60DU1300 uses a separate indoor-unit electrical supply that must be verified from its equipment nameplate and submittal documentation. Each unit must be wired according to its own electrical requirements and the applicable codes. Correct system sizing, duct design, airflow configuration, and installation by qualified HVAC professionals are essential for reliable operation.

Serviceability and Maintenance

The DH4SEA6040 includes refrigerant service valves with accessible gauge ports, high- and low-pressure switches, a factory-installed liquid-line filter drier, and a suction-line accumulator to support refrigeration-system protection and servicing. Its compressor crankcase heater and time-delay defrost technology provide additional operational safeguards. The outdoor cabinet features a removable grille-style top, a custom nickel-gray powder-coated finish tested for 500-hour salt-spray resistance, a steel louvered coil guard with rust-resistant screws, and top and side maintenance access. A single-panel compartment provides access to the controls and space for approved field-installed accessories. Routine maintenance should include inspection and cleaning of air filters and coils, condensate drainage checks, inspection of electrical connections, and refrigerant-system checks by qualified HVAC personnel in accordance with Daikin's maintenance recommendations.

Warranty

The Daikin DH4SEA commercial heat pump series includes a 5-Year Parts Limited Warranty under the applicable warranty terms. Online registration must be completed within 60 days of installation where required for the stated coverage. Warranty eligibility, registration conditions, coverage duration, and exclusions depend on the applicable product warranty certificate and installation conditions. Confirm the applicable warranty coverage for both the DH4SEA6040 and AMST60DU1300 before purchase and installation. Refer to Daikin's official warranty documentation for complete terms and conditions.

Recommended Accessories

• Compatible Heat Pump Thermostat – Select a thermostat approved for the verified heat pump and indoor air handler configuration.
• Compatible Electric Heat Kit – Select a heater kit specifically approved for the AMST60DU1300 if supplemental electric heating is required.
• Outdoor Equipment Pad or Mounting Support – Choose a support suitable for the outdoor unit's dimensions, weight, and installation location.
• Electrical Disconnect and Overcurrent Protection – Select components according to each unit's nameplate, installation instructions, and applicable electrical codes.
• Refrigerant Line Set and Duct Transitions – Size and select components according to the approved equipment combination, refrigerant piping requirements, and site-specific duct design.

Dependable Heating and Cooling with the Daikin DH4SEA6040 / AMST60DU1300

Support year-round indoor comfort with the Daikin DH4SEA6040 / AMST60DU1300 split heat pump system. Combining nominal 5-ton outdoor heat pump capacity, rated cooling performance of 60,000 BTU/h, rated heating performance of 60,000 BTU/h, Copeland scroll compressor technology, and R-32 refrigerant, this system offers a high-capacity ducted heating and cooling solution for suitable commercial applications when equipment compatibility and installation requirements have been verified.