Daikin Altherma 3 H HT EPRA18DAW1 outdoor air source heat pump unit for energy-efficient heating, cooling and domestic hot water.
The Daikin Altherma 3 H HT EPRA18DAW1 is an 18 kW outdoor air source heat pump unit for energy-efficient heating, cooling and domestic hot water.
This Daikin heat pump is designed for renovation projects and boiler replacement, with a maximum water temperature of 70 °C and a sound pressure level of only 35 dB(A).
For professional installers, the Altherma 3 H HT offers a durable all-electric solution for domestic and light commercial HVAC applications where comfort, low noise and reliable performance matter.
| Technical specifications | |
| Article number | 320 650 1001 |
| Model | EPRA18DAW1 | Equipment complying with EN / IEC 61000-3-2 |
| Heating capacity | 18.0 kW |
| Electric heater (back-up) | 9.00 kW |
| Sound power level (heating) | 59.0 dBA (1) |
| Sound power level (cooling) | 59.0 dBA (1) |
| Sound pressure level (heating) | 48.0 dBA (2) |
| Sound pressure level (cooling) | 48.0 dBA (2) |
| Quiet night mode (heating) | 54.0 dBA (2) |
| Defrost control | Outdoor heat exchanger temperature sensor |
| Max. water temperature | 70°C |
| Refrigerant / GWP | R32 / 4.2 kg / 675.0 |
| Power supply & fuse rating | 400V ~ 50Hz / 3Ph-16A |
| Capacity control method | Inverter controlled |
| Compressor type JT9KFDVMY@SP | Hermetically sealed scroll compressor |
| Capacity control method | Inverter controlled |
| Current--Inverter modulation--Min.--% | 37 (3) |
| Electronic expansion valve | Yes |
| Fan motor / brushless DC fan | Direct drive |
| Speed | 12 steps |
| Heating | 475 RPM |
| Cooling | 750 RPM |
| Dimensions H x W x D (mm) | 1003 x 1270 x 533mm |
| Net weight (kg) | 151 |
| Sound level standard sound mode | Sound pressure level 38 dBA (at 3 metres) |
| Water outlet diameter heat exchanger | G 1" inch male |
| Water inlet diameter heat exchanger | G 1" inch male |
| Water connection | See installation manual of indoor unit |