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
350 70
Supply air
duct
35 45 56 49 47 44 31 16
Extract air
duct
35 44 54 48 48 44 31 19
Cabinet 57
450 100
Supply air
duct
39 48 62 55 52 50 37 22
Extract air
duct
39 47 61 55 53 48 37 20
Cabinet 61
* Values for sound pressure calculated for a standard room with A = 10 m², H = 2.4m and mean absorption 0.2.
Tab. 8: Sound data for the a³ unit
Installation Guide
Danfoss Air Units
VIEWB302 Danfoss Heating Solutions
12

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