8.4 w² Unit
590
1055
580
126
270
389
110
295
480
1
2
3
4
5
6
7
8
9
98
10
Supply air
Extract air
Exhaust air
Outdoor air
Condensate drain
Filter, extract air
Filter, supply air
Differential pressure for extract air
Differential pressure for supply air
Filter reset button
Weight of unit: 45 kg
Capacity Temperature ratio
Pressure [Pa] η [%]
100%
85%
70%
58%
46%
33%
21%
300
250
200
150
100
50
0
*0.45 W/m³/h
1000 J/m³
0 50 100 150 200 250 300 350 400
Flow [m³/h]
83%
84%
85%
86%
87%
88%
89%
90%
91%
92%
93%
94%
0 50 100 150 200 250 300
Flow [m³/h]
* 0.45 W/m³/h = "Passiv Haus" requirements.
Flow [m³/h] Pext. [Pa] SFP [J/m³] P
1
tot. [W]
160 50 700 31
220 70 832 51
220 100 963 59
260 70 892 64
260 100 996 72
280 90 1000 78
Tab. 12: Capacity for the w² unit
Extract air Fresh air
t = 21 °C RH = 36% t = -3 °C RH = 80% with condensation and 5% imbalance
t = 25 °C RH < 27% t = 5 °C as acc. to EN308
Tab. 13: Temperature ratio for the w² unit
Installation Guide
Danfoss Air Units
Danfoss Heating Solutions VIEWB302
15
GB .