Fed by three to four panels
A series string of 330 W modules at 80-380 V DC drives the unit directly, drawing under 10 A. The 208-240 V single-phase line stays as backup.

A 12,000 BTU PV-direct split sized for rooms of 12 to 20 m², fed by three to four 330 W modules at 80-380 V DC and quiet at under 42.5 dB indoors.
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The DGA2-ACDCBLW-12K is the smallest of the three PV-direct air conditioners in the ACDCBLW line, sized for a bedroom, a home office or a back room of 12 to 20 m². Its DC side takes a string of three to four 330 W modules at 80-380 V and under 10 A, so the compressor works on panel power through the hours the sun is doing the damage. The single-phase 208-240 V, 50/60 Hz connection covers the rest, and an AC power limiter settable from 0 to 600 W decides how much of that supply the unit may take. Rated cooling is 12,000 BTU, or 3,510 W at T1 for 940 W of input, an EER of 3.75/12.75. Under T3 conditions it still returns 9,900 BTU. The same box heats to 14,000 BTU at a COP of 3.50/11.95 and strips 1.3 L/h of moisture from the air, on R410A with an electronic expansion valve and a Highly WHP04200 twin-rotary variable-speed compressor.
Specifications last updated 24 January 2026
| AC Power Limiter | 0-600 W |
|---|---|
| Compressor Brand | Highly |
| Compressor Configuration | 2xRotary Inverter |
| Compressor Model | WHP04200 |
| Cooling Capacity | 12000(3000-13300) BTU |
| Cooling Capacity (T1) | 3510(900-3900) W |
| Cooling Capacity (T3) | 9900 BTU |
| Cooling Capacity (T3) | 2910 W |
| Cooling Power Input (T1) | 940(190-1270) W |
| Cooling Power Input (T3) | 1050 W |
| Coefficient of Performance (COP) | 3.50/11.95 |
| DC Input Current | <10 A |
| DC Power Supply | PV In Series |
| DC PV Voltage | 80-380 V |
| Dehumidification | 1.3 L/h |
| EER (T1) | 3.75/12.75 |
| EER (T3) | 2.75/9.45 |
| Electronic Expansion Valve | Yes |
| Heating Capacity | 14000 (3000-15300) BTU |
| Rated Heating Capacity | 4100(1000-4500) W |
| Heating Power Input | 1170(190-1700) W |
| Indoor Airflow | 540/485/435/350 m³/h |
| Indoor Fan Motor | BLDC 15W |
| Outdoor Airflow | 2100 m³/h |
| Outdoor Fan Motor | BLDC 40W |
| Outdoor Fan Speed | 880 rpm |
| Power Supply | 1Ph 208-240V, 50/60Hz |
| Recommended PV Panels | 3-4 |
| Refrigerant | R410A |
| Solar Module Power | 330 W |
| Connection Wire Length | 4 m |
|---|---|
| Container Loading Quantity | 200/85 |
| Dimensions | 900 x 700 x 337 mm |
| Drain Pipe Size | 16 mm |
| Indoor Unit Dimensions | 840 x 205 x 295 mm |
| Indoor Unit Packing Dimensions | 920 x 290 x 360 mm |
| Indoor Unit Weight | 9/12.5 kg |
| Max. Level Difference | 8 m |
| Max. Pipe Length | 15 m |
| Outdoor Unit Packing Dimensions | 910 x 622 x 405 mm |
| Refrigerant Pipe (Gas/Liquid) | 3/8, 1/4 in |
| Supplied Pipe Length | 3 m |
| Weight | 33.5/37.5 kg |
| Climate Type | T3/T1 |
|---|---|
| Indoor Noise Level | <42.5 dB |
| Max. Design Pressure | 4.3/1.5 MPa |
| Operating Temperature | -10 to 58 °C |
| Outdoor Noise Level | <52 dB |




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Read: Deye Hybrid vs String Inverter — Do You Really Need Battery Storage? →Deye gives it an application area of 12 to 20 m², which covers a typical bedroom, a home office or a small shop floor. Beyond 20 m² the 17,300 BTU DGA1-ACDCBLW-18K takes over.
Three to four 330 W modules wired in series. The DC input works over 80-380 V at under 10 A, so the string voltage has to land inside that window.
It also accepts a single-phase 208-240 V, 50/60 Hz supply, so mains covers the hours the panels cannot. How much it may draw from that side is set by the 0-600 W AC power limiter.
It carries a T3 as well as a T1 climate rating and works from -10 to 58 °C. At T3 it returns 2,910 W, or 9,900 BTU, for 1,050 W of input, an EER of 2.75/9.45.
Up to 15 m of refrigerant pipe with a level difference of no more than 8 m. Three metres of pipe and 4 m of connection wire are supplied; the gas and liquid lines are 3/8 in and 1/4 in.