WZA
School ventilation
Assembly, installation and operating instructions
12
4
Technical data
Air volume flow [mm]
1000
800
600
400
Degree of temperature change
1
71
74
78
84
Degree of humidity change
2
57
61
66
72
Supply air temperature
2
17.0
17.5
18.2
19.2
Supply air relative humidity
37
36
35
33
Electrical power consumption
3
312
176
100
56
Sound pressure level
4
39
35
29
22
Sound power level
51
47
41
34
Tab. 2: Technical data, WZA
Components
Weight [kg]
Functional unit
136
Enthalpic unit
136
Casing
110
1
according to EN 308
2
At outside air temperature 5 °C, 70% relative humidity; extract air temperature 22 °C, 30% relative humidity
3
Power consumption of the optional electric heating coil (1 kW) is not included
4
The sound pressure level was calculated with an assumed room insulation of 12 dB(A). This corresponds to a dis-
tance of 4 m, a room volume of 200 m³ and a reverberation time of 0.5 s (in accordance with VDI 2081).
