en
Commissioning
18
WILO SE 2019-10
Standard version without plug and float switch
bn
bk
M 3~
gn-y
e
W
V
gy
U
PE
Fig. 4: Connection diagram for three-phase
current motor without plug and float switch
Wire colour
Designation
Terminal
Grey (gy)
U
L1
Black (bk)
V
L2
Brown (bn)
W
L3
Green/yellow (gn-ye)
Earth
PE
The connection cable features bare cable ends. Connection to the mains is established
by connecting the connection cable in the switchgear.
Electrical connection must al-
ways be carried out by a qualified electrician!
Version “A” with plug and float switch
3
4
5
2
1
M 3~
gn-y
e
W
V
T2
T1
U
PE
6
S1
Fig. 5: Connection diagram for three-phase
current motor with plug and float switch
Wire
Designation
Terminal
1
U
L1
2
V
L2
3
W
L3
4, 5
T1, T2
Monitoring of motor winding
6
S1
Float switch
Green/yellow (gn-ye)
PE
Earth
The connection cable is equipped with a CEE plug. The connection to the mains is es-
tablished by inserting the plug into a socket. The plug is
not
overflow-proof.
Install the
socket so that it is overflow-proof!
Observe the information on the protection class
(IP) of the plug.
DANGER! If the pump is to be connected directly to the switchgear, arrange for the
electrical connection to be carried out by a qualified electrician!
6.5.4
Motor protection adjustment
Motor protection must be set depending on the selected activation type.
6.5.4.1
Direct activation
At full load, set the motor protection switch to the rated current (see rating plate). At
partial load, it is recommended to set the motor protection switch 5 % above the cur-
rent measured at the duty point.
6.5.5
Soft starter
It is not possible to connect the device to a soft starter!
6.5.6
Operation with frequency con-
verter
Operation on the frequency converter is not permitted.
7
Commissioning
WARNING
Foot injuries due to a lack of protective equipment!
Danger of (serious) injuries during work. Wear safety shoes!
7.1
Personnel qualifications
ƒ
Electrical work: A qualified electrician must carry out the electrical work.
ƒ
Operation/control: Operating personnel must be instructed in the functioning of the
complete system.
7.2
Operator responsibilities
ƒ
Providing installation and operating instructions by the pump or at a place specially
reserved for it.
Summary of Contents for Padus PRO
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