Table of Contents
Advertisement
Operation
With Type 5827-A... Electric Actuator
1. Retract the actuator stem by applying a
corresponding control signal from the
control device.
2. Loosen the locking screw (2.6) and turn
the set point adjuster (2.3) clockwise ()
as far as it will go to close the restriction
(2.7).
3. Determine the turns required to achieve
the desired flow rate from the adjustment
diagrams (see Table 7-1).
4. Based on a closed restriction, turn the set
point adjuster counterclockwise () to
adjust the flow rate set point.
5. Check the flow rate at the heat meter and
correct it, if necessary.
6. Once the flow rate is set as required,
lock the setting with the locking screw
(2.6).
7. Close a possibly open bypass valve
again.
8. Lead-seal the setting, if necessary.
Note
Once the magnet has been released, the
spring mechanism pushes the actuator stem
back to the fail-safe position.
Alternatively: Type 5825
1)
Alternatively: Type 5824-30
2)
7-4
7.2.2
1)
Type 5827-N3
Actuator
Î Adjustment without actuator · See
Fig. 7-1
1. Thread the lock nut (2.2) upwards on the
rod (2.1).
2. Loosen the locking screw (2.6) and turn
the set point adjuster (2.3) clockwise ()
as far as it will go to close the restriction
(2.7). Close the restriction (2.7).
3. Determine the turns required to achieve
the desired flow rate from the adjustment
diagrams (see Table 7-2).
4. Turn the set point adjuster (2.3) counter-
clockwise () by the corresponding num-
ber of turns.
5. Thread the lock nut (2.2) clockwise ()
as far as it will go onto the rod (2.1). The
restriction opens until the adjusted set
point is reached.
6. Check the flow rate and correct it, if nec-
essary. Secure this setting with the lock-
ing screw (2.6).
7. Retract the actuator stem (1.1) using the
manual override. Place the actuator on
the restriction connection. Secure it by
tightening the hex nut (1.3, see 'Tighten-
ing torques' in Annex).
8. Extend the actuator stem all the way to
the rod (2.1) using the manual override.
9. Position the stem connector (1.2) and fas-
ten with screws.
DN 65 to 100
or Type 3374 Electric
2)
EB 3018 EN
Advertisement
Table of Contents
