Atria Duo Optimum is a variant of Thermia Atria Optimum. Atria Duo Optimum has a separate hot water tank, so it is suitable for rooms with low ceilings. Otherwise it’s the same pump.
*) Tested according to EN14511 at A7/W45 (including fan and circulation pumps)
| Atria Duo Optimum | 6 | 8 | 10 | 12 |
|---|---|---|---|---|
| Mains supply | 400V 3-N | 400V 3-N | 400V 3-N | 400V 3-N |
| Auxillary heater | 3/6/9/12/15 kW | 3/6/9/12/15 kW | 3/6/9/12/15 kW | 3/6/9/12/15 kW |
| Output capacity | 5.7 kW | 7.7 kW | 10.6 kW | 10.8 kW |
| Heat factor (COP) | 2.8 | 2.9 | 3.1 | 2.8 |
| Circuit breaker | 10/16/20/20/25 A | 16/16/20/20/25 A | 16/16/20/20/25 A | 16/20/25/25/25 A |
| Weight | 154 kg | 154 kg | 154 kg | 162 kg |
