9
Installation
Caution
Low voltage
max. 12VAC/DC
Terminal: Connection for:
S1 Sensor
1
S2 Sensor
2
S3 Sensor
3
S4
Sensor 4
S5 Sensor
5
S6 Sensor
6
S7 Sensor
7
S8 Sensor
8
V1
optional speed controlled
output for high ef
fi
cency pumps
V2
optional speed controlled
output for high ef
fi
cency pumps
VFS1
Grundfos Direct Sensor
VFS2
Grundfos Direct Sensor
Mains voltage
230VAC 50-60Hz
Terminal: Connection
for:
R1 Relay
1
R2 Relay
2
R3 Relay
3
R4 Relay
4
R5 Relay
5
R6 Relay
6
N
Mains neutral conductor N
L
Mains phase conductor L
The PE protective conductor must be
connected to the PE metal terminal
block!
Potential free
Relay
NO
Normally open
C
Common
NC
Normally closed
SD Card Slot
for Data logging
and
fi
rmware up-
dates
Make sure that the
SD card‘s orienta-
tion is correct!
Card must be
inserted without
pressure. False
insertion can dam-
age the card slot!
Ethernet (option)
for LAN network
operations
max. 12V
Caution
mains side
230VAC
Danger
D.1. - Terminal connection
The mains part of the terminal connection room is covered by a plastic sheet. Make sure that the controller is without voltage before
removing it.
V2
V1
S8
S7
VFS2
EWS 9-10-11
VFS1
SD Card
Mains
Relais
PF-Relais
Kleinspannungen
Ethernet
S6
S5
S4
S3
S2
S1
GND
R6
NC
C
NO
R5
R4
R3
R2
R1
N
L
D.2. - Terminal connection diagram
VFS1
VFS2
bridge
bridge
low voltage
PF relay
relays
mains
