| Model | WH09SK-18 | ||
| Indoor Unit | WH09SKN-18 | ||
| Outdoor Unit | WH09SKNU-18 | ||
| Rated Capacity | Cooling kw | 2.5 | |
| Heating kw | 3.2 | ||
| Capacity Range | Cooling kw min – max | 0.89 ~ 3.70 | |
| Heating kw min – max | 0.89 ~ 5.0 | ||
| Power Input | Cooling Rated | 0.51 | |
| Heating Rated | 0.65 | ||
| RunningCurrent | Cooling Rated | 2.8 | |
| Heating Rated | 3.8 | ||
| Full Load Amps | A | 6.5 | |
| EER | W/W | 4.88 | |
| AEER | – | 4.88 | |
| COP | W/W | 4.9 | |
| ACOP | – | 4.9 | |
| Energy Label / Star Ratings | Cooling | 5.0/4.5/4.5 | |
| Heating | 3.0/3.0/2.5 | ||
| Power Supply | 1Ph, 220~240V, 50Hz | ||
| Indoor | Air Flow Rate | Cooling, Max / H / M / L | 333 / 200 / 166 / 86 / 63 |
| Sound Pressure Level | Cooling, Max / H / M / L / SL | – / 42 / 36 / 26 / 22 | |
| Dimensions (W × H × D) | Net | 998 x 345 x 210 | |
| Weight | Net | 12 | |
| Outdoor | Compressor | Twin Rotary | |
| Condenser | Corrosion Protection | Gold | |
| Sound Pressure Level | Cooling, Rated | 49 | |
| Heating, Rated | 51 | ||
| Sound Power Level | 63 | ||
| Dimensions* (W × H × D) Net | 770 x 545 x 288 | ||
| Weight – Net | 35 | ||
| OperationRange | Cooling | -10 ~ 48 | |
| Heating | -10 ~ 24 | ||
| Circuit Breaker A | 15 | ||
| Power Supply Guide No | 3 Core + Earth | ||
| Power Supply to Unit – | Outdoor | ||
| Power and Communication Cable – No. x mm2 | 4 x 1.0 ( Including Earth) | ||
| Piping | Size | Liquid | ø 6.35 (1/4) |
| Gas | Ø 9.52 (3/8) | ||
| Connections Method | Indoor / Outdoor | Flared / Flared | |
| Drain Hose Size | O.D, I.D | mm | 21.5, 16.0 |
| Between Indoor & Outdoor | Piping Length | Min ~ Max m | 3 ~ 20 |
| Pre-Charge Length m | 12.5 | ||
| Max. Elevation Difference m | 10 | ||
| Piping Connection Heat Insulation | – | Both liquid and gas pipes | |
| Refrigerant Charge | Type – | R32 | |
| Pre Charge g | 900 | ||
| Additional Charge g/m | 20 | ||
| Control – | Electronic Expansion Valve |
