TPM 092/13
15
Fig. 17 Calculation example
Given data
Fire damper FDMD 200
V = 600 m
3
.h
-1
= 1,2 kg.m
-3
Octave range 1000 Hz
Tab. 3.2.1.
S
ef
= 0,0213 m
2
Calculation:
w [m.s
-1
] = (V [m
3
.h
-1
] / 3600) / S
ef
[m
2
]
w = 7,83 m.s
-1
Tab. 7.1.1.
= 0,636
Calculation:
p = . . (w
2
/2) = 0,636 . 1,2 . (7,83
2
/2) = 23,4 Pa
Tab. 8.3.1., Tab. 8.3.2. a
Tab. 8.3.3.
L
W1
= 56,5 dB
K
A
= -5,5 dB
L
rel
= -10,7 dB (for1000 Hz)
Calculation:
L
WA
=
L
W1
+ 10 log(S
ef
) +
K
A
= 56,5 + 10 log(0,0213) - 5,5 = 34,3 dB
L
Woct
=
L
W1
+ 10 log(S
ef
) +
L
rel
= 56,5 + 10 log(0,0213) - 10,7 = 29,1 dB
Tab. 9.1.1. Actuating mechanism BELIMO BLF 24-T(-ST), BLF 230-T
Actuating mechanism BELIMO
BLF 24-T-ST(24-ST)
BLF230-T
Nominal voltage
AC 24V 50/60Hz
DC 24 V
AC 230 V 50/60Hz
Power consumption - motoring
- holding
5 W
2,5 W
5W
3W
Dimensioning
7 VA (Imax 5,8 A @ 5 ms)
7 VA (Imax 150 mA @ 10 ms)
Protection Class
III
II
Degree of protection
IP 54
Running time
- motor
- spring return
40..75 s
~ 20 s
Ambient Temperature - normal duty
- safety duty
- non-operating temperature
- 30 °C … + 50 °C
The safe position will be attained up to max. 75°C
- 40 °C … + 50 °C
Connecting - motor
- auxiliary switch
cable 1 m, 2 x 0,75 mm
2
cable 1 m, 6 x 0,75 mm
2
(BLF 24-T-ST) with pole plugs
Thermal trips
Tf1: duct outside temperature 72°C
Tf2/Tf3: duct inside temperature 72°C
9. Electrical Components, Connection Diagrams
9.1.
Actuating mechanism
