NBS – Fan coil unit
TECHNICAL DOCUMENTATION
Legend
Construction subject to change.
No return possible.
Version: 06.05.21 | Page 33
LEGEND
B
(mm)
= Width
H
(mm)
= Height
L
(mm)
= Length
DN (mm)
= Diameter, nominal width
HR (%)
= Relative humidity in the room
Δp
W
(kPa)
= Water pressure loss in the heat
exchanger
p
s
(Pa)
= Available static pressure
Q
(kW)
= Thermal capacity
Q
S
(kW)
= Sensible capacity
Q
T
(kW)
= Total capacity
t
L2
(°C)
= Air outlet temperature
t
R
(°C)
= Room air temperature
t
W1
(°C)
= Water inlet temperature
t
W2
(°C)
= Water outlet temperature
v
(-)
= Speed
V
K
(l/h)
= Amount of condensate
V
L
(m³/h) [l/s] = Volumetric flow
V
W
(l/h)
= Water volumetric flow
W
(W)
= Operating power
η
se
(%)
= Static efficiency
L
W
(dB)
= Sound power level (W
ref
= 1 pW)
L
WA
[dB(A)]
= Sound power level A (W
ref
= 1 pW)
