Samson 3964, Mounting And Operating Instructions

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14 EB 3964 EN
Electrical connection
4.3 Degree of protection
The degree of protection (according to
IEC 60529: 1989) is only guaranteed when
the cable socket is mounted with seal under
-
neath it and the connections have been
properly mounted.
4.4 Manual override
The solenoid pilot valves can be optionally
fitted with a manual override (

) to allow
the device to be manually operated when a
nominal signal is not available (see Fig. 7).
Use solenoid pilot valves without manual
override for safety circuits.
4.5 Certificates
The certificates valid at the time when these
instructions were published are included on
the next pages.
The latest certificates can be found on our
website (www.samson.de > Product selector
> Valve accessories > Product type > Down -
loads > Certificates).
WARNING !
WARNING !

Manual override:
– Press pushbutton with a pin
–
Use a screwdriver (4.5 mm blade) to
push and turn the pushbutton/switch
clockwise by 90°. To unlock, turn it in
the other direction.
Fig. 7: Type 3964 with manual override