Samson 5827, Mounting And Operating Instructions, Page: 28 / 92

5-4 EB 5827-2 EN
Installation
Remove Allen key and carefully replace
the front housing cover.
Retracting the actuator stem electrically
1. Remove the front housing cover.
2. Perform electrical wiring as described in
section 5.6 and carefully replace the
front housing cover.
3. Retract actuator stem:
− Switch on the supply voltage and
retract the actuator stem electrically
until it reaches the end position by
applying a signal to the input (see
the 'Operation' section).
4. Fasten valve and actuator together using
the coupling nut.
Tightening torque 20 Nm
"Actuator stem retracts" fail-safe action
Î
Place the actuator on the valve connec-
tion and fasten with the coupling nut.
Tightening torque 20 Nm
5.4.2.2 Form-fit attachment
Î
Install as described in section 5.4.1.1.
5.5 Installing the control valve
into the pipeline
Degree of protection not achieved due to
incorrect mounting position.
Î
Install the control valve according to
section 5.1.
Î
Install the valve into the pipeline accord-
ing the specifications in the mounting
and operating instructions of the valve.
Risk of actuator damage due to direct con-
tact with steam.
Î
During mounting, make sure that the
actuator cannot come into contact with a
jet of steam during operation.
NOTICE
!
NOTICE !