Wilo W-CTRL-CC Série Notice De Montage Et De Mise En Service page 72

English
Connection of pump control signal (CCe version
only)
The analogue control signals of the pumps
(0-10V) can be connected to the terminals in
accordance with the wiring diagram. Use shielded
lines.
CAUTION! Risk of damage to the product!
Do not connect any external voltage to the termi-
nals!
Sensor (sensors)
Connect the sensor according to the installation
and operating instructions correctly to the termi-
nals.
Use a shielded cable, place the shield on one side
in the switch cabinet.
CAUTION! Risk of damage to the product!
Do not connect any external voltage to the termi-
nals!
Analogue IN, Setpoint remote adjustment / speed
remote adjustment
Remote adjustment of the setpoint or, in the
"actuator" operating mode, of the speed, is possi-
ble using an analogue signal (0/4...20 mA or 0/
2...10 V) by means of the corresponding terminals
in accordance with the wiring diagram. Use a
shielded cable, place the shield on one side in the
switch cabinet.
Setpoint changeover
Using the corresponding terminals in accordance
with the wiring diagram, it is possible force a
changeover from setpoint 1 to setpoint 2 or 3 by
means of a potential-free contact (normally open
contact).
Logic plan
Contact
Setpoint 2 Setpoint 3
o o
x o
o x
x x
x: Contact closed; o: Contact opened
CAUTION! Risk of damage to the product!
Do not connect any external voltage to the termi-
nals!
66
Function
Setpoint 1 active
Setpoint 2 active
Setpoint 3 active
Setpoint 3 active
External activation/deactivation
Using the corresponding terminals in accordance
with the wiring diagram, it is possible to connect a
remote activation/deactivation by means of a
potential-free contact (normally closed contact)
after removing the jumper (factory-fitted).
External activation/deactivation
Closed contact:
Opened contact:
Contact load:
CAUTION! Risk of damage to the product!
Do not connect any external voltage to the termi-
nals!
Protection against low-water level
Using the corresponding terminals (in accordance
with the wiring diagram), it is possible to connect
a function for protection against low water level
by means of a potential-free contact (normally
closed contact) after removing the jumper (fac-
tory-fitted).
Protection against low-water level
Closed contact:
Opened contact:
Contact load:
CAUTION! Risk of damage to the product!
Do not connect any external voltage to the termi-
nals!
Collective run/collective fault signals (SBM/SSM)
Potential-free contacts (changeover contacts) for
external signals are available via the correspond-
ing terminals in accordance with the wiring dia-
gram.
Potential-free contacts, max. contact load
250 V~ / 2 A
DANGER! Risk of fatal electrical shock!
There is a potentially fatal voltage on these termi-
nals, even when the main switch is turned off.
Actual pressure display
A 0...10 V signal for an external measurement /
display option of the current actual control varia-
ble is available via the corresponding terminals in
accordance with the wiring diagram. 0...10 V cor-
responds to the pressure sensor signal 0...pressure
sensor limit value. E.g.
Sensor Display pressure range
16 bar 0 ... 16 bar
CAUTION! Risk of damage to the product!
Do not connect any external voltage to the termi-
nals!
Automatic ON
Automatic OFF,
Signal by symbol on the
display
24 V DC / 10 mA
no low water
low water
24 V DC / 10 mA
Voltage/pressure
1 V = 1.6 bar
WILO SE 11/2018