OPERATING DEVICES
…-/MA/
Manual resetting damper. Automatic shooting by
means of a thermal fuse calibrated at 72
°
C.
Standard:
- Thermal fuse 72ºC
- Manual test button
- Manual resetting
- Position indicator
- IP42 protection
Optional
…- /PIF/
Closed switches device
1
2
2
3
4
5
6
fig. MA
fig. PIF
Close (unlocking)
•
Manual:
Pressing the unlocking button
(A)
•
Automatic:
The fusible link reaches 72ºC
(B)
•
Remote:
-
Open (resetting)
•
Manual:
Turning counterclockwise 90º the manual resetting axe using a
tool with a smaller diameter than 8mm
(C)
•
Automatic:
-
Electrical connection
*Switches normally closed contacts
COM
NF
NO
COM
NF
NO
FC
DC
Closed damper
signal
Open damper
signal
4
01/19
CONTACT "FC"
COM
NO
NF
B. OPEN DAMPER
A. CLOSED DAMPER
CONTACT "DC"
COM
COM
COM
NO
NF
NO
NF
NO
NF
CONTACT "FC"
CONTACT "DC
”
72ºC
A
B
C
0º
90º
1.
Plastic command cover
2.
Screws for cover attachment
3.
Manual test button
4.
Position indicator
5.
Manual resetting axe.
6.
Thermal fuse 72ºC
200
… 1000
1050
… 1500
200
… 550
- /MA/
- /MA/
600
… 800
- /MA/
-
L
H
