8
Technical Specifications
8.1
a² Unit
Dimensions
450
325
177
160
1263
1180
600
1
2
3
4
580
450
325
177
1
Outdoor air
2
Exhaust air
3
Extract air
4
Supply air
Weight of unit: 52 kg
Front view (without front panel)
1
2
3
4
5
6
6
5
1
Filter, extract air
2
Filter, supply air
3
Flow chart (for balancing)
4
Filter reset button
5
Differential pressure for extract air
6
Differential pressure for supply air
Capacity
Temperature ratio
Pressure [Pa]
η [%]
100%
85%
1000 J/m³
70%
58%
46%
33%
21%
350
300
250
200
150
100
50
0
0 50 100 150 200 250 300 350
400 450
*0.45 W/m³/h
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
615
27
220
70
728
44
220
100
854
52
260
70
783
57
260
100
894
65
300
90
936
78
Tab. 3: Capacity for the a² 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. 4: Temperature ratio for the a² unit
Installation Guide
Danfoss Air Units
Danfoss Heating Solutions
VIEWB302
9
GB
.
Содержание Air w1
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