5 Technical data
5.1 Application limits
Fresh air temperature
min.
°C
– 15
Extract air temperature
max.
°C
40
Extract air relative humidity
1)
max.
%
50
Moisture content of extract air
max.
g/kg
12.5
Units in ColdClimate design:
Fresh air temperature
min.
°C
-40
Extract air temperature
max.
°C
40
Extract air relative humidity
max.
%rh
40
Moisture content of extract air
max.
g/kg
4
Supply air temperature
max.
°C
60
Temperature of the heating medium
max.
°C
85
Pressure of the heating medium
min.
kPa
200
max.
kPa
300
Air flow rate
min.
m³/h
5000
1) Moisture increase in the room max. 2 g/kg
Table 3: Application limits
5.2 Heat recovery system (HRS)
Temperature efficiency, dry
%
57
Temperature efficiency, wet
%
64
Table 4: Thermal transfer level of the plate heat exchanger
5.3 Air filtration
Filter
Fresh air
Extract air
Class acc. to ISO 16890
ISO coarse 55 %
ISO coarse 55 %
Class acc. to EN 779
G4
G4
Factory setting of differential pressure switches
250 Pa
300 Pa
Table 5:
Air filtration
5.4 Electrical connection
Supply voltage
V AC
3 × 400
Permitted voltage tolerance
%
± 5
Frequency
Hz
50
Connected load
kW
11.39
Current consumption max.
A
20
Series fuse
A
20
Table 6: RoofVent
®
KG electrical connections
12
RoofVent
®
KG
Operating instructions
Technical data
4 220 755-en-00
4 220 755-en-00
