Trovis 5724-8 (Form-Fit Attachment); Trovis 5725-8 (Force-Locking Attachment); Trovis 5725-8 (Form-Fit Attachment) - Samson TROVIS 5724-8 Mounting And Operating Instructions

Installation
5.4.2 TROVIS 5724-8 (form-fit
attachment)
Î See Fig. 5-3.
NOTICE
!
Crush hazard arising from moving parts
(actuator and plug stem).
Î Do not insert hands or finger into the
yoke while the valve is in operation.
1. Place the actuator on the yoke (4) and
fasten with the coupling nut (2).
Tightening torque
2. Place the actuator with the yoke onto the
valve and fasten with the nut (6).
Tightening torque
3. Pull plug stem until it reaches the actua-
tor stem or extend actuator stem using
the handwheel (3).
4. Position the clamps of the stem connector
(5) included in the accessories on the
ends of the actuator stem and plug stem
and screw tight.
5.4.3 TROVIS 5725-8 (force-
locking attachment)
The actuator stem must be retracted before
the actuator can be mounted onto the valve.
The stem can be retracted either mechanical-
ly or electrically. Both methods are described
below.
5-4
Retracting the actuator stem mechanically
1. Carefully open the front housing cover
and place a 4 mm Allen key on the red
actuating shaft.
2. Retract the actuator stem: turn Allen key
counterclockwise and only as far as the
top end position which is at the point
where the torque switch is activated.
3. Hold Allen key in place and fasten valve
and actuator together using the coupling
nut.
Tightening torque
Remove Allen key and carefully replace
20 Nm
the front housing cover.
Retracting the actuator stem electrically
1. Carefully open the front cover.
150 Nm
2. Connect the wiring as shown in sec-
tion 5.7.
3. Switch on supply voltage and connect
the actuator at the RJ-12 port to the com-
puter.
4. Retract the actuator stem in manual level
in TROVIS-VIEW. Fasten valve and actu-
ator together using the coupling nut.
Tightening torque
5.4.4
Î Install as described in section 5.4.2.
TROVIS 5725-8 (form-fit
attachment)
20 Nm
20 Nm
EB 5724-8 EN