9
Installation, Electrical
WARNING!
Danger of electric shock
A mains voltage may exist inside the device.
–
Before any work, disconnect the device's mains cable
from the mains.
WARNING!
Risk of electric shock
This pump is supplied with a grounding conductor and a
grounding-type attachment plug.
–
To reduce the risk of electric shock, ensure that it is con‐
nected only to a proper grounding-type receptacle.
WARNING!
Risk of electric shock
In the event of an electrical accident, the pump must be
quickly disconnected from the mains.
–
Install an emergency cut-off switch in the pump power
supply line or
–
Integrate the pump in the emergency cut-off manage‐
ment of the system and inform personnel of the isolating
option.
WARNING!
Danger of electric shock
Incompletely installed electrical options can allow moisture
into the inside of the housing.
–
Fit appropriate modules into the slot on the front of the
pump or use the original blank cover to seal it in a leak-
tight manner.
WARNING!
Danger of electric shock
A mains voltage may exist inside the pump housing.
–
If the pump housing has been damaged, you must dis‐
connect it from the mains immediately. It may only be
returned to service after an authorised repair.
CAUTION!
Material damage possible due to power surges
Should the pump be connected to the mains power supply in
parallel to inductive consumers (such as solenoid valves,
motors), inductive power surges can damage the controller
when it is switched off.
–
Provide the pump with its own contacts and supply with
voltage via a contactor relay or relay.
Install the pump in line with best working practice and in accordance
with the operating instructions and applicable regulations.
Installation, Electrical
34
