Handbook VVKR F 202206

17/41 | VVKR-F
Technical Parameters
Legend
p
s
(Pa)Pressure drop
q
V
(m
3
/h or l/s)Air flow volume
L
WA
(dB(A))A-weighted total radiated sound power level
L
pA
(dB(A))A-weighted total sound pressure level expressed for 10 m² room absorption area
L
W
(dB)Non weighted total sound power level
L
0,2
(m)Air throw length with terminal velocity 0,2 m/s
L
x
(m)Air throw length calculated for specific terminal velocity
x (m/s)Terminal velocity in range of 0,1 m/s ... 1 m/s
0%, 20%, 40%, 60%,80%, 100%The plenum box damper positions in pressure drop/noise diagrams are
represented as percentage. In case of THOR-E, 0% is fully closed damper. In case of THOR-F and THOR, 20% is fully
closed damper. 100% is fully open damper.
Calculation of Air Throw for Different Terminal Velocities
L
x
= L
0,2
· 0,2/x