Exhausto BESB Series, Manual

Page: 4 / 82

3004348_2020_06_11.fm
GB - BESB/FSB – Product information
4/82
1. GB - BESB/FSB – Product information
EXHAUSTO BESB/FSB box ventilators are used in air supply and extraction systems.
The ventilator is not to be used to transport solid particles, nor in areas
where there is a risk of explosive gases.
The ventilator must not be started with the service door open.
Description BESB/FSB is available in four different sizes, is completely insulated, and has a low-
noise centrifugal fan with cast aluminium backward-bent blades (B-impeller):
• BESB250-4-1EC/FSB250-4-1EC
• BESB315-4-1EC/FSB315-4-1EC
• BESB400-4-1EC/FSB400-4-1EC
• BESB500-4-1EC/FSB500-4-1EC
• BESB500-4-3EC
The ventilator has an internal insulated housing and an external cabinet, both made of
sheet aluminium.
Main components
Min. operating temperature: -12°C max. operating tempe80°C
Ambient temperature when running: min. -30°C max. +40°C
1.1 Main parts
Pos. Part
a Cabinet
b Service door
c Motor
d B-impeller
e Fan housing
f Locking screws (supplied with screwdriver)
g Handle
h Mounting bars with vibration damper
i Self-tapping screws
j Hinges
k EC control/terminal box
m Air flow measuring probes (not included with BESB/FSB250)
a
b
c
d
e
i
h
k
-12°C - +80°C
-30°C - +40°C
+
-
m
g
f
j
R
D
13284-
01
Fig. 1