Description
Product Summary
The Daikin DC3SEA3640 is a 3-ton R-32 commercial split-system air conditioner condensing unit from the Daikin DC3SEA series, built for 460V 3-Phase light commercial power. It delivers a rated 34,200 BTU/h of cooling.
It is rated at 13.4 SEER2 and 11.2 EER2, with a single-stage compressor and factory-applied R-32 charge.
Contractors use the DC3SEA3640 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.
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: factory-installed liquid line filter drier
- Service-friendly valves: sweat-connection service valves with easy-access gauge ports
- Protection devices: high-pressure switch and fully enclosed contactor
- Certified: AHRI certified and ETL listed
Specifications
| Model Number | DC3SEA3640 |
|---|---|
| Series | Daikin DC3SEA (R-32) |
| Nominal Capacity | 3 Tons |
| Rated Cooling Capacity | 34,200 BTU/h |
| SEER2 | 13.4 |
| EER2 | 11.2 |
| Power Supply | 460V 3-Phase, 60 Hz |
| Minimum Circuit Ampacity (MCA) | 6.7 A |
| Maximum Overcurrent Protection (MOP) | 10 A |
| Compressor | Copeland scroll, single stage |
| Refrigerant | R-32 |
| Holding Charge | 60 oz |
| Suction Line Connection | 3/4 in (submittal) / 7/8 in (spec sheet) |
| Liquid Line Connection | 3/8 in |
| Max Total Line Length | 200 ft |
| Sound Power (High) | 71 dBA |
| Unit Dimensions (H x W x D) | 32.5 x 26 x 26 in |
| Net Weight | 134 lb |
| Shipping Weight | 149 lb |
| Warranty | 5-Year Parts Limited (online registration within 60 days) |
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 DC3SEA3640 use?
The DC3SEA3640 uses R-32 refrigerant and ships with a 60 oz holding charge. Pair it only with R-32 rated indoor equipment.
What power supply does the DC3SEA3640 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 DC3SEA3640 use?
The unit has a 3/4 in (submittal) / 7/8 in (spec sheet) suction connection and a 3/8 in liquid connection. Maximum total line length is 200 ft.
What indoor unit should I match with the DC3SEA3640?
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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