English
Installation and operating instructions Wilo-Control SC-Fire Jockey
13
• The type of mains, current and voltage of the
mains connection must match the details on the
rating plate of the control device.
NOTE:
• Fuse on mains side in accordance with the infor-
mation in the wiring diagram
• Feed the ends of the mains cable through the
threaded cable connections and cable inlets and
wire them according to the markings on the ter-
minal strips.
• Earth the pump/installation in accordance with
the regulations.
7.2.1 Power supply connection
Connect the on-site 4-wire cable (L1, L2, L3, PE)
for the supplying network to the main switch, in
accordance with the circuit diagram.
7.2.2 Pump connection
Observe the installation and operating instruc-
tions for the pumps!
The pump is connected to the terminal strips as
per the circuit diagram. The pump is operated via
direct starting.
7.2.3 Pressure switch connection
The pressure switch is connected to the terminal
strips as per the circuit diagram. The pressure
switch contact closes when there is a pressure
drop and switches on the pump.
7.2.4 Fault signal connection
At the fault signal terminal strip, a signal indicating
a fault can be transferred to a potential-free con-
tact (see circuit diagram).
8 Commissioning
WARNING! Risk of fatal injury!
Commissioning by qualified personnel only!
Improper commissioning poses a risk of fatal
injury. Have commissioning performed by quali-
fied personnel only.
DANGER! Risk of fatal injury!
When working on the open switchgear, there's a
danger of electric shock from touching the live
components.
This work must only be carried out by qualified
personnel!
It is recommended that you have the switchgear
commissioned by Wilo customer service.
Before switching on for the first time, the on-site
wiring must be checked, in particular the earthing.
Tighten all connection terminals prior to com-
missioning!
8.1 Checking the motor direction of rotation
By briefly switching on the pump in “manual”
operating mode (see 6.2.3), check that the direc-
tion of rotation of the pump in mains operation is
correct. When the pump motor runs out, compare
the direction of rotation of the fan wheel and the
direction specified on the pump housing.
If the direction of rotation of the pump in mains
operation is wrong, swap over any two phases of
the power cable.
8.2 Setting the excess current protection
In the case of direct starting, the motor protection
switch must be set to rated current I
N
for the
pump. The rated current I
N
is specified on the
pump's rating plate.
9 Maintenance
Have maintenance and repair work carried out
by qualified skilled personnel only!
DANGER! Risk of fatal injury!
There is a risk of fatal injury from electric shock
when working on electrical equipment.
• The switchgear should be electrically isolated
and secured against unauthorised switch-on
during any maintenance or repair work.
• Any damage to the connection cable should only
ever be eradicated by a qualified electrician.
• The switchgear must be kept clean.
• Visual inspection of the electric system parts in
the switchgear.
10 Faults, causes and remedies
DANGER! Risk of fatal injury!
There is a risk of fatal injury from electric shock
when working on electrical equipment.
Have faults remedied by qualified skilled per-
sonnel only! Follow the safety instructions in
Section 2 Safety.
Before all work to remedy faults, disconnect the
unit from the power supply, and make sure it
cannot be switched back on by unauthorised
persons.
Summary of Contents for Control SC-Fire Jockey
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