4
DV50 DV80
(Integral CO
2
Sensor)
INTRODUCTION
MAIN PARTS OF THE VENTILATION UNIT
INTRODUCTION
10
12
5
8
9
3
1
7
2
6
4
14
11
13
Supply air fan
1
Extract air fan
2
Post-heating resistor
3
Heat recovery cell
4
Fine filter for supply air
5
Coarse filter for supply air
6
Coarse filter for extract air
7
Bypass damper of the HR cell
8
R model in the figure
Safety switch
9
Control panel
10
Internal humidity sensor
11
Internal carbon dioxide sensor
11
Carbon dioxide sensor (optional)
12
Humidity sensor (optional)
13
VOC sensor (optional)
14
R H
EAT
RE
AN
NU
AL EF
FICIENC
Y R
ATIN
G
O
F E
XT
RA
CT A
IR H
EAT
RE
CO
VE
RY
A
+
NOTE
For more detailed instructions, go to www.airflow.com