8.2
a³ Unit
Dimensions
250
440
160
528
318
1180
1342
60
0
1
2
3
4
780
440
160
528
318
1
Outdoor air
2
Exhaust air
3
Extract air
4
Supply air
Weight of unit: 67 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 [%]
40%
56%
82%
100%
1000 J/m³
300
250
200
150
100
50
0
0 50 100 150
200 250 300
350 400
450
500
550 600
*0.45 W/m³/h
Flow [m³/h]
80%
81%
82%
83%
84%
85%
86%
87%
88%
89%
90%
0
50
100 150 200 250 300 350 400 450 500
Flow [m³/h]
* 0.45 W/m³/h = "Passiv Haus" requirements.
Flow [m³/h]
Pext. [Pa]
SFP [J/m³]
P
1
tot. [W]
200
70
787
44
350
70
835
81
450
70
973
122
350
100
1000
97
Tab. 6: Capacity for the a³ 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. 7: Temperature ratio for the a³ unit
Installation Guide
Danfoss Air Units
Danfoss Heating Solutions
VIEWB302
11
GB
.
Содержание Air w1
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