| Model | WH18SL-19 | ||
| Indoor Unit | WH18SLN-19 | ||
| Outdoor Unit | WH18SLU-19 | ||
| Rated Capacity | Cooling kw | 5 | |
| Heating kw | 6 | ||
| Capacity Range | Cooling kw min – max | 1.0 ~ 6.0 | |
| Heating kw min – max | 1.0 ~ 9.0 | ||
| Power Input | Cooling Rated | 1.22 | |
| Heating Rated | 1.38 | ||
| RunningCurrent | Cooling Rated | 5.1 | |
| Heating Rated | 5.9 | ||
| Full Load Amps | A | 12.7 | |
| EER | W/W | 4.1 | |
| AEER | – | 4.1 | |
| COP | W/W | 4.35 | |
| ACOP | – | 4.35 | |
| Energy Label / Star Ratings | Cooling | 4.5/4.5/4.5 | |
| Heating | 3.0/2.5/2.0 | ||
| Power Supply | 1Ph, 220~240V, 50Hz | ||
| Indoor | Air Flow Rate | Cooling, Max / H / M / L | 383 / 283 / 233 / 183 |
| Sound Pressure Level | Cooling, Max / H / M / L / SL | – / 46 / 41/ 36 / 27 | |
| Dimensions (W × H × D) | Net | 1060 / 360 / 265 | |
| Weight | Net | 16.6 | |
| Outdoor | Compressor | Twin Rotary | |
| Condenser | Corrosion Protection | Gold | |
| Sound Pressure Level | Cooling, Rated | 49 | |
| Heating, Rated | 52 | ||
| Sound Power Level | 65 | ||
| Dimensions* (W × H × D) Net | 870 x 650 x 330 | ||
| Weight – Net | 45.7 | ||
| OperationRange | Cooling | -10 ~ 48 | |
| Heating | -10 ~ 24 | ||
| Circuit Breaker A | 20 | ||
| 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 12.7 (1/2) | ||
| Connections Method | Indoor / Outdoor | Flared / Flared | |
| Drain Hose Size | O.D, I.D | mm | 20.0, 15.0 |
| Between Indoor & Outdoor | Piping Length | Min ~ Max m | 3 ~ 30 |
| Pre-Charge Length m | 7.5 | ||
| Max. Elevation Difference m | 20 | ||
| Piping Connection Heat Insulation | – | Both liquid and gas pipes | |
| Refrigerant Charge | Type – | R32 | |
| Pre Charge g | 1300 | ||
| Additional Charge g/m | 20 | ||
| Control – | Electronic Expansion Valve |
