Pfannenberg X Serie Manuel D'utilisation page 86

ENG
3.6 Signs and symbols on the unit
The signs and symbols attached to the unit must be observed.
The signs and symbols attached to the unit must not be removed and must be kept in a fully legible condition. Damaged or
illegible signs and symbols must be replaced.
Sign/Symbol
085000614 11189-966
085000615 11189-967
Tab. 6: Signs and symbols on the unit
Operating Manual | Attachment and Installing Cooling Units X-Series | Premium Controller – 230 V | 086100131
Position
Rear of unit at the connection
for the function equipotential-
bonding
Rear of unit at the connection
for the protective
equipotential-bonding
Rear of unit
Rear of unit, cover of the
connection terminals
Rear of unit, cover of the
connection terminals
Rear of unit, cover of the
connection terminals
Description
Functional equipotential-bonding for a signal reception with
low interference between the unit and the switch cabinet.
Protective equipotential-bonding for the connection of metal
components and dissipation of a possible touch voltage.
Connection diagram
Warning – Disconnect power before opening the unit
X58 – connection terminals fieldbus RS485
X54 – connection terminals door contact and fault indication
X50 – connection terminals mains supply
Warning – Danger of electric shock. Switch off power to the
unit before working on the unit.
Warning – Danger of electric shock.
Disconnect the inverter and the mains filer at both boles
before conducting a high voltage test or insulation test.
Warning – danger due to electric current.
A protective ground test must be made prior to
commissioning. The ground leakage can be conducted
through the body if the protective ground in interrupted.
The ground leakage is above a health-hazardous current
strength (above the release threshold).
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