Sorel FWC3, Installation And Operating Instructions Manual

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10
Sensor side
max. 12V
Caution
Danger
Mains side
230VAC
Caution
Relais R1: Only for speed
control of standard pumps,
minimum load 20 VA
Mains voltages 230VAC 50-60Hz
Connection in the right-hand terminal
compartment!
Terminal: Connection
for:
L Mains phase conductor L
N Mains neutral conductor
N
R1
Fresh water pump L
N Fresh water pump N
R2 Not used
N Not used
The PE protective conductor must
be connected to the PE metal termi-
nal block!
Low voltage
max. 12VAC/DC
connection in the left-hand terminal
compartment!
Terminal: Connection
for:
S1 PT1000 cold water
S2 Not used
S3 PT1000 stor.tank opt.
S4 PT1000 fl ow prima-
ry
S5 Hot
water
(VFS yellow)
S6 Flow
(VFS white)
+ VFS brown (+)
- VFS green (-)
The polarity of the sensors is freely
selectable.
Connection of sensor earths via
terminal block sensor (-)
Installation
D. - Terminal connection diagrams
D.1. - „Without circulation pump“