
Perform the electrical connection depending
on the heating application according to one
of the following wiring diagrams (Figs. 5
and 6).
As soon as the actuator is connected to the
power supply, the initialization procedure
starts.
The actuator stem extends and the red and
yellow LEDs are illuminated located under
the cover on top of the circuit board.
As soon as the actuator stem has reached
the final position, the red LED is turned off.
The yellow LED remains illuminated and in-
dicates that the controller with electric actua-
tor is ready for operation.
12
EB 5757-7 EN
Electrical connection
or
ye
rd
br
blk
gr
br
bl
blk
3
4
6
5
2
1
L
L´
N
230 V,
VS
Pt 1000
Pt 1000
Pt 1000
AS
RüS
50 Hz
100/ 1000
Ω
1000
Ω
Application with flow sensor, return flow sensor, outdoor sensor and potentiometer
for adjusting the set point
Caution!
Live wires
or
orange
ye
yellow
rd
red
br
brown
blk
black
gr
green
br
brown
bl
blue
blk
black
Fig. 5 · Wiring diagrams
Note:
Terminals at point of installation, not included in scope of delivery
e.g. Type 5257-2 with remote adjuster