KNF NF 1.100 EX, Operating And Installation Instructions, Page: 15 / 32

Diaphragm liquid pump NF 1.100 EX Installation and connection
KNF Flodos AG BA_NF1.100EX_EN_05_152147
English translation of original Operating and Installation Instructions
15
➔
When connecting the device to a power source, the relevant
norms, directives, regulations and technical standards must be
observed.
WARNING
Danger of explosion as a result of electrostatic
charge
➔
Connect the pump in such a way as to prevent
the risk of ignition by electrostatic charge.
➔
Carefully earth the pump.
➔
Observe the Operating and Installation Instructions for the
drive motor.
➔
Only the electrical equipment required to operate the pump
should be placed with it in potentially explosive atmospheres.
➔
Take precautions to protect against lightning.
Make sure that
➔
all electrical equipment meets the requirements for the area
concerned (e.g. Emergency Stop switch, overcurrent release).
➔
the information on the drive motor's rating plate matches the
nominal values of the electrical power supply. Voltage and fre-
quency values must comply with the mains data (tolerance:

5%).
➔
the drive motor is protected against excessive heating by
means of thermal/electromagnetic overcurrent releases, such
as motor protective circuit switches in accordance with VDE
0660.
➔
the overcurrent release has been set to the rated current on
the rating plate and the tripping response curve.
➔
safety devices have been fitted to ensure that the motor is
protected even if a phase conductor fails.
➔
protection and overcurrent releases are set in such a way that
after an item of equipment is triggered the drive motor is dis-
connected from the power supply (all poles). The release must
not switch itself back on.
➔
precautions against atmospheric discharge (lightning) have
been taken.
➔
all electrically conductive parts are earthed. Make sure that
removable components such as safety devices, coupling ele-
ments etc. do not interrupt earth continuity.
➔
For circuit breakers and relays with current-dependent delayed
tripping.
Drive motor
Potentially explosive
atmospheres