
14
EB 5757-7 EN
Electrical connection
Fig. 7 · Wiring diagrams
Note:
Terminals at point of installation, not included in scope of delivery
or
ye
rd
br
blk
gr
br
bl
blk
3
4
6
5
1
4
3
2
2
1
L
L´
N
230 V, 50 Hz
VS
Pt 1000
Pt 1000
RüS
Application with flow sensor, return flow sensor and room sensor with mode selector switch
and set point adjuster
Type 5257-7
Room Panel
or
orange
ye
yellow
rd
red
br
brown
blk
black
gr
green
or
ye
rd
br
blk
gr
br
bl
blk
3
4
6
5
2
1
L
L´
N
230 V, 50 Hz
VS
Pt 1000
Pt 1000
AS
BE2
BE1
Application with flow and outdoor sensors
Caution!
Live wires
Caution!
Live wires
br
brown
bl
blue
blk
black