6
Extract air fan
1
Supply air fan
2
Fine filter for supply air
3
Heat recovery cell
4
Bypass damper of the HR cell
5
Coarse filter for supply air
6
Coarse filter for extract air
7
Post-heating resistor
(in front of the supply air fan)
8
R model in the figure
MAIN PARTS
Additional heating resistor
9
Safety switch
10
Internal carbon dioxide and humidity sensor
11
Ceiling bushing for electric wires
12
Control panel
13
Carbon dioxide sensor (optional)
14
Humidity sensor (optional)
15
VOC sensor (Optional)
16
INTRODUCTION
8
7
4
2
1
5
3
6
9
10
12
11
15
16
13
14
AN
NU
AL EF
FIC IENC
Y R
ATIN
G
O
F E
XT
RA
CT A
IR
HEA
T R
EC
OV
ER
Y
A
