OPERATING DEVICES
6
9
10
5
7
4
3
2
1
fig. MFB
…V
6
01/19
72ºC
B
C
A
E
D
…- /MFB…/
Damper operated by remote control by means of an
actuator with switch off device at 24 or 230V or a
thermal fuse calibrated at 72
°
C. .
Standard:
- Internal and external thermoelectrical fuse 72ºC
- Automatic resetting
- Automatic closing by fuse 72ºC
- Remote closing by interruption of power supply
- Manual test switch
- LED status fusible indicator
- Position damper indicator
- Closed switches
- IP54 Protection
1.
Actuator
2.
Position damper indicator
3.
Manual resetting
4.
Manual lock
5.
Plug closed switches cable
6.
Thermoelectrical fuse cable
7.
Power supply cable
8.
Thermoelectrical fuse 72ºC
9.
Manual test button
10.
LED status fusible indicator
Close (unlocking)
•
Manual:
Pressing the manual test switch
(A)
•
Remote:
By interrupting the power supply
(B)
•
Automatic:
The fusible link reaches 72ºC
(C)
Open (resetting)
•
Manual:
Turning counterclockwise the manual resetting with allen key
(D)
To keep the blade open, lock by manual lock
•
Automatic:
By supplying the power supply
(E)
Electrical connection
• Fixed switching points at 5º and 80º
•• Fixed switching point at 5º to contact “A”
•• Fixed switching point at 80º to contact “B”
S1
S2
S3
S4
S5
S6
S1
S2
S3
S4
S5
S6
A. CLOSED DAMPER
CONTACT
“B”
CONTACT
“A”
B. OPEN DAMPER
CONTACT
“B”
CONTACT
“A”
MEANING
Nº
BFL/ BFN
BF
Switch "A" input
S1
Violet
W hite
Switch "A" normally-closed contact
S2
Red
W hite
Switch "A" normally-open contact
S3
W hite
W hite
Switch "B" input
S4
Orange
W hite
Switch "B" normally-closed contact
S5
Pink
W hite
Switch "B" normally-open contact
S6
Grey
W hite
ACTUATOR 24VCA/24
…48VCC
MEANING
Nº
COLOR
Neutral
1
Black
System potential 24VCA/ 24
…48VCC
2
Red
ACTUATOR 230VCA
MEANING
Nº
COLOR
Neutral
1
Blue
Line 230VCA
2
Brown
200
… 1250
1300
… 1500
200
… 500
550
… 800
L
H
Reference
a/size
Torque
Voltage
Consumption
Time Open/
Close
MFB24V
9 Nm
CA 24V/ CC 24/48V
4W (running)/ 1,4W (stationary)
60s/ 20s
MFB230V
9 Nm
CA 230V
4,5W (running)/ 3,5W (stationary)
60s/ 20s
MFB24V
18 Nm
CA 24V/ CC 24/48V
7W (running)/ 2W (stationary)
120s/ 16s
MFB230V
18 Nm
CA 230V
8,5W (running)/ 3W (stationary)
120s/ 16s
