Daikin 3 Ton 13.4 SEER2 Air Conditioner and Multi-Positional Air Handler System | 208/230V 3 Phase - R32 - Single Stage

Reliable Commercial Cooling with a 3-Ton Daikin Split System Air Conditioner for Light Commercial Applications

The Daikin DC3SEA3630 / AMST36CU1300 is a 3-ton commercial split air conditioner system designed to provide dependable cooling for light commercial spaces and other applications requiring ducted air conditioning. Combining a 3-ton DC3SEA3630 outdoor condensing unit with an AMST36CU1300 multi-position, multi-speed air handler, this split system delivers a rated cooling capacity of 34,200 BTU/h while offering flexible installation configurations, efficient air distribution, and service-friendly components. The system uses R-32 refrigerant and achieves up to 13.4 SEER2 and 11.2 EER2 in the rated combination.

Key Benefits

• 13.4 SEER2 Energy Efficiency – Provides rated cooling efficiency to help manage energy consumption during normal air conditioning operation.
• 3-Ton Cooling Capacity – Delivers 34,200 BTU/h of rated cooling capacity for suitable light commercial and other compatible applications.
• Multi-Speed ECM Blower Motor – The air handler's direct-drive, 9-speed ECM blower provides airflow adjustment flexibility to accommodate system and ductwork requirements.
• Flexible Multi-Position Installation – Supports horizontal and vertical installation configurations to suit different building layouts.
• Compact Air Handler Design – The 21-inch-deep cabinet helps facilitate installation in applications where access and available space are important considerations.
• High-Efficiency Scroll Compressor – The outdoor unit uses scroll compressor technology designed for dependable cooling performance.
• R-32 Refrigerant Technology – Uses R-32 refrigerant in the outdoor unit and matched air handler system.
• Service-Friendly Components – Features a factory-installed filter drier, accessible service valve gauge ports, and an enclosed contactor to support routine service and maintenance.

Rated Cooling Capacity for Commercial Comfort

The Daikin DC3SEA3630 / AMST36CU1300 split air conditioning system provides a rated cooling capacity of 34,200 BTU/h, equivalent to approximately 2.85 tons of rated cooling output in the specified tested combination. The system is nominally classified as a 3-ton unit and is designed to help maintain comfortable indoor temperatures during warm-weather operation. The outdoor unit operates with a single-stage compressor and uses R-32 refrigerant. Its published cooling operating range is 55°F to 115°F outdoor dry-bulb temperature, subject to the manufacturer's installation and operating requirements.

High-Efficiency Scroll Compressor and Cooling Performance

The DC3SEA3630 outdoor condensing unit features a high-efficiency scroll compressor and advanced Copeland® CoreSense™ technology. In the published rated combination, the system achieves 11.2 EER2 and 13.4 SEER2. These ratings provide a standardized basis for evaluating cooling efficiency and help customers compare equipment performance when selecting a system for an appropriate application. The outdoor unit also includes a high-pressure switch and capacitors designed for extended service life.

13.4 SEER2 Efficiency with Single-Stage Operation

The Daikin DC3SEA3630 uses single-stage compressor operation and is rated up to 13.4 SEER2 and 11.2 EER2 in the specified tested combination. Seasonal energy efficiency and energy efficiency ratio ratings provide useful measures of cooling performance under standardized test conditions. Actual energy consumption depends on installation quality, duct design, thermostat settings, outdoor conditions, building characteristics, and system maintenance. The matched AMST36CU1300 air handler uses a direct-drive, 9-speed electronically commutated motor (ECM) blower to provide airflow adjustment flexibility for system setup.

Split System Design for Flexible Installation

The split system configuration separates the outdoor DC3SEA3630 condensing unit from the indoor AMST36CU1300 air handler, allowing the equipment to be positioned according to the building's layout and installation requirements. The outdoor unit is factory charged for 15 feet of refrigerant tubing and features 3/8-inch liquid and 3/4-inch suction service valve connections. The published maximum total refrigerant piping length is 200 feet, with a maximum vertical separation of 79 feet. Refrigerant piping must be installed and charged in accordance with the manufacturer's instructions and applicable system requirements. The indoor air handler supports horizontal and vertical installation configurations and features a 21-inch-deep cabinet to help accommodate installations with limited access space.

Airflow, Controls & Indoor Comfort

The AMST36CU1300 air handler features a direct-drive, 9-speed ECM blower motor and an internal factory-installed thermal expansion valve (TXV) for cooling applications. Its multi-speed design provides flexibility when selecting blower settings to match the cooling system and ductwork requirements. The air handler also incorporates an all-aluminum evaporator coil with high-performance coated fin stock and a factory-installed R-32 refrigerant sensor. Compatible thermostat and control equipment must be selected according to the system configuration and the manufacturer's installation requirements. Proper airflow setup and refrigerant charging are important for achieving rated performance and reliable operation.

Commercial Applications and Installation Flexibility

The Daikin DC3SEA3630 / AMST36CU1300 is a nominal 3-ton split air conditioning system intended for suitable light commercial and other compatible ducted cooling applications. Its separate indoor and outdoor components provide flexibility for equipment placement, while the multi-position air handler can accommodate different installation orientations. Potential applications include appropriately sized offices, retail spaces, and other buildings requiring ducted cooling. Final equipment selection should be based on a professional load calculation, building requirements, duct design, and the manufacturer's approved system combination and installation instructions.

Service & Maintenance Features

The DC3SEA3630 outdoor unit includes a factory-installed filter drier, sweat-connection service valves with accessible gauge ports, an enclosed contactor, and a high-pressure switch. These components support standard refrigeration-system inspection and service procedures. The AMST36CU1300 air handler features tool-less filter access, a coil mounting track for repositioning, and a cabinet design with glue-less insulation retention. Routine maintenance should include filter inspection and replacement as required, evaporator and condenser coil inspection, condensate drainage checks, electrical connection inspection, and verification of refrigerant charge and airflow by qualified service personnel.

Warranty

The Daikin DC3SEA3630 commercial air conditioner series lists a 5-Year Parts Limited Warranty. The manufacturer states that online registration must be completed within 60 days of installation to receive the 5-Year Parts Limited Warranty, subject to applicable state and provincial requirements. Additional limitations and exclusions apply. The complete warranty documentation should be reviewed to confirm coverage, registration requirements, and applicable conditions for the specific equipment installation.

Recommended Accessories

• Compatible Thermostat or Commercial Control – Select a control compatible with the single-stage cooling system and the installed air handler configuration.
• Outdoor Equipment Pad – Provides a suitable support surface for the outdoor condensing unit where ground-level installation is used.
• Equipment Disconnect – Select an appropriately rated electrical disconnect in accordance with the unit nameplate and applicable electrical codes.
• Refrigerant Line Set – Select compatible refrigerant piping with 3/8-inch liquid and 3/4-inch suction connections, sized and installed according to Daikin requirements.
• Electric Heater Kit – Select a compatible heater kit if supplemental electric heat is required, subject to air handler compatibility and electrical requirements.

Reliable 3-Ton Commercial Cooling with the Daikin DC3SEA3630 / AMST36CU1300

Experience dependable ducted cooling with the Daikin DC3SEA3630 / AMST36CU1300 split system air conditioner. Combining a single-stage outdoor condensing unit with a multi-position, multi-speed ECM air handler, this 3-ton system offers rated cooling capacity of 34,200 BTU/h, efficiency ratings up to 13.4 SEER2, R-32 refrigerant technology, and installation flexibility for suitable light commercial and other compatible applications.