Danfoss Air a2 Installation Guide

Flow
m³/h
Pres-
sure Pa
Measured
at
Frequency band [Hz], sound power Lw (A) [dB(A)] Sound pressure
Lp(A) (standard*
room) [dB(A)]
63 125 250 500 1000 2000 4000 8000
126 70
Supply air
duct
20 30 41 42 38 30 19 18
Extract air
duct
18 30 41 41 30 26 18 18
Cabinet 47
126 100
Supply air
duct
22 32 46 45 39 32 21 18
Extract air
duct
22 33 43 42 32 27 19 18
Cabinet 50
162 70
Supply air
duct
23 31 43 46 41 33 22 18
Extract air
duct
26 31 42 43 33 29 21 18
Cabinet 53
162 100
Supply air
duct
28 33 44 48 43 35 23 18
Extract air
duct
29 34 44 51 37 31 23 18
Cabinet 55
216 70
Supply air
duct
28 33 44 54 46 37 28 18
Extract air
duct
27 33 43 52 39 33 27 18
Cabinet 57
216 100
Supply air
duct
28 35 45 55 46 38 29 18
Extract air
duct
32 34 44 52 40 34 28 18
Cabinet 56
* Values for sound pressure calculated for a standard room with A = 10 m², H = 2.4m and mean absorption 0.2.
Tab. 11: Sound data for the w¹ unit
Installation Guide
Danfoss Air Units
VIEWB302 Danfoss Heating Solutions
14

Danfoss Air a2 Specifications

General

Protection Class	IP44
Type	Axial
Mounting	Wall
Voltage	220-240 V
Operating Temperature	-20°C to +40 °C
Power Supply	AC