5. Commissioning, operation
5.3 Electrical connection
The electrical connection must only be made by qualified skilled
■
personnel.
Connection details and switching functions are given on the
■
connection diagram.
The mains connection lines to be provided must be dimensioned
■
for maximum instrument current supply and comply with IEC 227 or
IEC 245.
Requirement for shielding and grounding
The instrument must be connected to the equipotential bonding of
the plant. The connection is made via the process connection of the
instrument.
Connection diagrams, see product label
5.4 Commissioning
Switch on the voltage supply of the connected control device. Fill the
vessel and check the switch points of the float switch for function.
CAUTION!
Damage to property
When performing the functional check on the active plant,
processes can be started unintentionally. Mixing up the
connections can cause malfunctions of the switch.
▶
The switches must not be tested on the active control of
the plant.
▶
Check the connections to ensure correct operation of the
plant.
Always observe the mounting and operating instructions of accessories
when commissioning them.
WIKA operating instructions model GLS-1000
EN
13