Efficient 3-Ton Commercial Split Heat Pump for Light Commercial Applications with R-32 Refrigerant
The Daikin DH4SEA3630 is a 3-ton commercial split heat pump system designed to provide reliable year-round heating and cooling for light commercial applications. Combining the 36,000 BTU/h DH4SEA3630 outdoor heat pump unit with a compatible indoor coil or air handler, this split system helps deliver dependable comfort while providing flexible equipment placement and ducted installation options.
Key Benefits
14.3 SEER2 Efficiency – Provides efficient seasonal cooling performance to help manage energy use during commercial operation.
7.5 HSPF2 Heating Efficiency – Provides efficient heat pump heating performance during the heating season.
Single-Stage Copeland Scroll Compressor – Provides reliable compressor operation for consistent heating and cooling performance.
R-32 Refrigerant – Uses R-32 refrigerant in a purpose-designed commercial heat pump platform.
Flexible Split System Installation – Separates the outdoor heat pump from the indoor coil or air handler, providing flexibility for equipment placement and ducted applications.
Durable Outdoor Cabinet – Features a Nickel Gray powder-paint finish and a steel louvered coil guard for added protection in outdoor commercial environments.
Advanced Compressor Protection – Copeland CoreSense technology, high- and low-pressure switches, a factory-installed suction line accumulator, and factory-installed compressor crankcase heater help support dependable operation.
Service-Friendly Design – Service valves with easy-access gauge ports, top and side maintenance access, and single-panel access to controls simplify service and maintenance.
Reliable Heat Pump Heating Performance
The DH4SEA3630 provides a rated heating capacity of 36,000 BTU/h at 47°F outdoor ambient temperature and is designed to operate in heating mode from -20°F to 70°F outdoor ambient temperature. The system uses a single-stage Copeland scroll compressor with advanced CoreSense technology. Time-delay technology helps provide quiet, reliable defrost operation, while the factory-installed compressor crankcase heater and suction line accumulator support dependable heat pump operation.
36,000 BTU/h Cooling Performance
The DH4SEA3630 provides a nominal cooling capacity of 36,000 BTU/h. The AHRI-rated high sales volume tested combination provides a rated cooling capacity of 35,000 BTU/h with a 12.50 EER2 and 14.30 SEER2. The outdoor unit is designed for a cooling operating range of 55°F to 125°F outdoor ambient temperature, supporting dependable cooling operation across a broad range of commercial conditions.
14.3 SEER2 & 7.5 HSPF2 Efficiency
With up to 14.3 SEER2 cooling efficiency and 7.5 HSPF2 heating efficiency, the DH4SEA3630 is designed to provide efficient seasonal heating and cooling performance. The system combines a high-efficiency Copeland scroll compressor with an enhanced aluminum fin coil using 5mm diameter copper tubes, a factory-installed bi-flow liquid line filter drier, a factory-installed suction line accumulator, and a high-capacity muffler. The unit is AHRI Certified and ETL Listed.
Split System Installation Design
The split system configuration separates the DH4SEA3630 outdoor heat pump from the compatible indoor coil or air handler, providing flexibility for equipment placement and ducted commercial installation. The outdoor unit operates on 208/230V, 60 Hz, three-phase power with a minimum circuit ampacity of 14.2 amps and maximum overcurrent protection of 20 amps. It uses a 3/8-inch liquid line and 7/8-inch suction line, is factory charged for 15 feet of 3/8-inch liquid tubing, and supports a maximum total piping length of 200 feet and maximum vertical piping length of 79 feet. The outdoor unit measures 35-1/2 inches wide by 35-1/2 inches deep by 36-1/2 inches high and weighs 198 pounds net.
Controls & Comfort
The DH4SEA3630 is designed for conventional heat pump control with a compatible indoor coil or air handler and thermostat. Its single-stage compressor provides straightforward heating and cooling operation, while time-delay technology supports quiet and reliable defrost operation. The system's conventional control configuration allows the outdoor heat pump to operate with compatible indoor equipment and field-installed controls.
Commercial Applications
The Daikin DH4SEA3630 is designed for 3-ton, three-phase commercial split heat pump applications requiring 208/230V electrical service and ducted indoor air distribution. Its flexible split configuration, wide heating operating range, durable outdoor cabinet, and service-access features make it suitable for light commercial comfort applications where dependable heating and cooling performance are required.
Service & Maintenance
The DH4SEA3630 features top and side maintenance access and single-panel access to the controls with space provided for field-installed accessories. Brass service valves with sweat connections provide easy access to gauge ports. The refrigeration system includes a factory-installed bi-flow liquid line filter drier, suction line accumulator, compressor crankcase heater, and high-capacity muffler. High- and low-pressure switches provide additional system protection, while extended-life capacitors and a fully enclosed contactor with lug connections support reliable operation.
Warranty
The Daikin DH4SEA3630 includes a 5-Year Parts Limited Warranty. To receive the 5-Year Parts Limited Warranty, online registration must be completed within 60 days of installation. The duration of warranty coverage may depend on the state or province where the product is installed. Some states and provinces do not allow warranty coverage to be conditioned on registration. Other limitations and exclusions apply; refer to the complete Daikin warranty documentation for applicable terms and conditions.
Recommended Accessories
Anchor Bracket Kit – Provides brackets for anchoring the outdoor unit to a mounting pad; the kit contains 20 brackets, with four brackets required to anchor the unit to the pad.
Anti-Short Cycle Kit – Provides an accessory option for applications requiring anti-short-cycle protection.
CSR-U-1 Hard-Start Kit – Provides a hard-start accessory option for compatible installations.
Liquid Line Solenoid Kit – Provides a liquid line solenoid accessory option for compatible system installations.
Low-Ambient Kit – Provides a low-ambient accessory option for applications requiring extended cooling operation.
Outdoor Thermostat with Lockout Stat – Provides an outdoor thermostat option for applicable heat pump installations.
Efficient Commercial Heating & Cooling with the Daikin DH4SEA3630
Experience reliable year-round commercial comfort with the Daikin DH4SEA3630. Combining 36,000 BTU/h nominal heat pump capacity, up to 14.3 SEER2 cooling efficiency, 7.5 HSPF2 heating efficiency, and durable R-32 system construction in one 3-ton commercial split heat pump system.
Upgrade to a Complete Commercial Split System!
Upgrading to a commercial split HVAC system can lead to significant savings over the life of the equipment. We offer full systems (condenser + air handler) specifically designed for commercial spaces, so you get the performance and capacity you need. At HVACDirect.com, we make it simple to find the right solution for your business with financing options starting at $0 down and an extra 3% discount on orders over $2,000!
Goodman 3.5 Ton Multi-Positional Multi Speed Air Handler - 21" Width - R32
Efficient Indoor Airflow Made for Your Home
This Goodman air handler helps move conditioned air through your home when paired with compatible outdoor equipment. With a 9-speed ecm blower motor, 21" cabinet width, and multi-positional installation, this indoor unit is designed for dependable electric heating or cooling applications.
Key Benefits
Indoor Airflow for Matched Equipment – Works with compatible outdoor equipment to move conditioned air through the home.
3.5 Ton Air Handler Capacity – Designed for approved matched applications, including compatible setups where the outdoor unit may be smaller than the air handler.
21" Cabinet Width – Helps confirm fit for replacement applications and available installation space.
Multi-Positional Installation – Supports upflow, downflow, or horizontal installation for adaptable placement.
9-Speed ECM Blower Motor – Helps move air efficiently through the home and supports steady airflow when paired with compatible equipment.
Electric Heat Kit Compatible – Supports optional backup or supplemental electric heat when paired with a compatible heat kit.
Air Handler Capacity and Equipment Matching
This 3.5 ton air handler should be matched with compatible outdoor equipment in an approved system configuration. In some matched setups, the outdoor condenser may be smaller than the air handler, but the condenser tonnage should not be higher than the air handler tonnage. Final equipment matching should be confirmed based on condenser capacity, refrigerant type, blower requirements, ductwork, and manufacturer match requirements.
Made to Fit Your Home
The cabinet supports upflow, downflow, or horizontal applications, giving installers placement options during replacement or new equipment installation. Its 21" cabinet width is an important detail for fitting in tight spaces, while the 9-speed ecm blower motor helps support efficient, consistent airflow through compatible ductwork.
Goodman: What is an Air Handler and How Does it Work?
Goodman air handlers are designed to work with compatible heat pumps and air conditioners to help move conditioned air throughout the home.
With dependable blower performance, durable cabinet construction, and installation-friendly design, these units support consistent airflow and reliable whole-home comfort.
When paired with the right outdoor system, a Goodman air handler helps complete an efficient heating and cooling setup for year-round indoor comfort.
Warranty
When installed according to applicable codes and registered online with Goodman, this air handler includes:
10-Year Parts Limited Warranty
Warranty coverage requires proper installation and online registration. Installation by a qualified HVAC professional is recommended to maintain warranty eligibility.
What’s Included
Goodman multi-positional air handler
Recommended Accessories
Electric Heat Kit – Add optional backup or supplemental electric heat with a compatible heat kit sized for your air handler and application.
Thermostat – Choose from compatible non-programmable, programmable, or smart thermostat options based on your control preferences.
Requirements & Considerations
Compatible Outdoor Equipment – Pair with compatible outdoor equipment in an approved system configuration, including equipment designed for the correct refrigerant type.
Air Handler Capacity – Confirm the air handler capacity is properly matched to the outdoor condenser. The condenser tonnage should not be higher than the air handler tonnage.
Cabinet Width – Confirm the 21" cabinet width fits the available installation space and system layout.
Optional Electric Heat – If backup or supplemental electric heat is needed, confirm compatible heat kit options, breaker requirements, wiring, and installation requirements before purchase.
Professional Installation Recommended – Proper installation by a certified HVAC installer is important for safe operation and warranty coverage.
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Goodman 3.5 Ton Multi-Positional Multi Speed Air Handler - 21" Width - R32
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
