Grundfos AP80-100 Sicherheitshinweise Seite 8

Maintenance and service work must be
carried out when the pump is outside the
pit. For safety reasons, all work inside pits
must be supervised by a person outside
the pit.
WARNING
Crushing hazard
Death or serious personal injury
‐
Make sure the lifting bracket is
tightened before lifting the pump.
DANGER
Electric shock
Death or serious personal injury
‐
It must be possible to lock the main
switch in position 0. Type and
requirements are specified in EN
60204-1.
DANGER
Electric shock
Death or serious personal injury
‐
Make sure there is at least 3 m free
cable above the maximum liquid level.
WARNING
Crushing hazard
Death or serious personal injury
‐
Make sure the lifting bracket is
tightened before lifting the pump.
Electrical connection
AP80 pumps cannot be operated with
frequency converter.
DANGER
Electric shock
Death or serious personal injury
‐
Connect the pump to an external main
switch, which ensures all-pole
disconnection with a contact
separation according to EN 60204-1.
‐
It must be possible to lock the main
switch in position 0. Type and
requirements as specified in EN
60204-1.
The permanent installation must be fitted
with an earth-leakage circuit breaker.
Make sure there are at least 3 m free
cable above the maximum liquid level.
8
DANGER
Electric shock
Death or serious personal injury
‐
If the power cable is damaged, it must
be replaced by the manufacturer, his
service agent or a similarly qualified
person.
Set the motor-protective circuit breaker to
the rated current of the pump. The rated
current is stated on the nameplate.
Make sure that the pump is connected in
accordance with the instructions of this
booklet.
The supply voltage and frequency are marked on the
nameplate. Make sure the power supply at the
installation site is suitable for the pump motor.
All pumps are supplied with 10 m cable and a free
cable end.
DANGER
Electric shock
Death or serious personal injury
‐
Before the first startup, check the cable
for visible defects to avoid short
circuits.
The pumps must be connected to one of the
following:
• a control unit with motor-protective circuit
breaker, such as Grundfos CU 100
• Grundfos LC 231 or 241 pump controller.
AP80 pumps cannot be operated with
frequency converter.
DANGER
Electric shock
Death or serious personal injury
‐
Connect the pump to an external main
switch, which ensures all-pole
disconnection with a contact
separation according to EN 60204-1.
‐
It must be possible to lock the main
switch in position 0. Type and
requirements as specified in EN
60204-1.
DANGER
Electric shock
Death or serious personal injury
‐
If the power cable is damaged, it must
be replaced by the manufacturer, his
service agent or a similarly qualified
person.