Description
Product Summary
The Daikin DH4SEA3640 is a 3-ton R-32 commercial split-system heat pump outdoor unit from the Daikin DH4SEA series, built for 460V 3-Phase light commercial power. It delivers a rated 35,000 BTU/h of cooling and 34,400 BTU/h of heating at 47°F.
It is rated at 14.3 SEER2 and 12.5 EER2 with 7.5 HSPF2 heating efficiency, with a single-stage compressor and factory-applied R-32 charge.
Contractors use the DH4SEA3640 to pair with a matched Daikin R-32 commercial air handler or coil on offices, retail spaces and other light commercial buildings that need three-phase split-system cooling and heating.
Key Features
- R-32 refrigerant: lower global warming potential refrigerant used across the current Daikin commercial split lineup
- Copeland scroll compressor: single-stage scroll with Advanced Copeland CoreSense technology for dependable operation
- Pre-charged for 15 ft: factory charge covers 15 ft of line set to simplify startup
- Factory filter drier: bi-flow liquid line filter drier installed at the factory
- Service-friendly valves: sweat-connection service valves with easy-access gauge ports
- Protection devices: high-pressure switch plus low-pressure switch, accumulator and crankcase heater and fully enclosed contactor
- Certified: AHRI certified and ETL listed
- Heat pump heating: reversing heat pump design with 34,400 BTU/h rated heating
Ideal Applications
- Offices and professional buildings
- Retail stores and strip centers
- Restaurants and light commercial kitchens (dining areas)
- Schools, churches and community buildings
- Light commercial retrofits replacing R-410A split systems
Frequently Asked Questions
What refrigerant does the Daikin DH4SEA3640 use?
The DH4SEA3640 uses R-32 refrigerant and ships with a 83 oz holding charge. Pair it only with R-32 rated indoor equipment.
What power supply does the DH4SEA3640 need?
It requires 460V 3-Phase, 60 Hz power. The published minimum circuit ampacity is 6.7 A and the maximum overcurrent protection is 10 A.
What size line set does the DH4SEA3640 use?
The unit has a 7/8 in suction connection and a 3/8 in liquid connection. Maximum total line length is 200 ft.
What indoor unit should I match with the DH4SEA3640?
Use a Daikin R-32 commercial air handler or coil matched to 3 tons in the AHRI directory. Contact HVAC365 and we will help confirm the matched system.
What warranty comes with it?
Daikin lists a 5-year parts limited warranty when the unit is registered online within 60 days of installation. Terms vary by state.
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