11
D.2. - „With circulation pump“
Danger
Mains side
230VAC
Sensor side
max. 12V
Caution
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
Circulation pump L
N
Circulation pump N
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
PT 1000 circulation
S3
PT1000 stor.tank opt.
S4 PT1000
fl
ow primary
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
Summary of Contents for FWC3
Page 31: ...31 Notes...
