10
Installation
Attention
low voltage max.
12VAC/DC
Danger
Mains side
230VAC 50-60Hz
Low voltage max. 12VAC/DC
connection in
the left-hand terminal compartment!
Terminal: Connection for:
S1
not used
S2
not used
S3
not used
S4
not used
S5
VFS temperature
(yellow)
S6
VFS fl ow rate
(white)
+
VFS +5V DC (brown)
Z1
Option / additional function
Z2
Option / additional function
-
jumper terminal block S-
e.g. VFS - (green)
Mains voltage
230VAC 50-60Hz
connection in the right-hand
terminal compartment!
Terminal: Connection for:
L
Mains phase conductor L
R1
Valve 1
R2
Valve 2
R3
Valve 3
R4
Valve 4
R5
not used
R5I
not used
N
Jumper terminal block N
The PE protective conductor must be con-
nected to the PE metal terminal block!
Connection mains voltage compartmen:
• The PE protective conductor must be
connected to the PE metal terminal
block!
• Connection of relay lead N via
terminal block Sensor N
• Mains phase conductor terminal L
• Relay outputs terminals R1-R4
• Potential free terminal R5/R5I
Attention: only suitable for 230V!
Connections low voltage compartment:
• Temperature sensors terminal block
S1-S6 and terminal block S- (polarity
freely selectable)
• optional additional functions at
terminal Z1/Z2
D Electrical connections
Connection of sensor earths S1-S6 via terminal block sensor S.
The polarity of the sensors is freely selectable.
Terminal Block
Terminal Block
A bridge from R2 to R1 must be placed by customer for the operation of a two
station cascade!
Caution
