Danfoss Air a3 Installation Guide

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 .

Danfoss Air a3 Specifications

General

Brand	Danfoss
Model	Air a3
Category	Fan
Language	English