ENG
Operating Manual | Roof-mounted Cooling Unit | Multi Controller (MC) – 230 V | 086100023d 26/80
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 Position Description
Unit underside at the
connection for the protective
equipotential-bonding
Protective equipotential-bonding for the connection of metal
components and dissipation of a possible touch voltage.
Unit underside Connection diagram
Warning – Disconnect power before opening the unit
X51 – connection terminals Multimaster input/output
X50 – connection terminals mains supply, door contact and
fault indication
Unit cover, front right
Warning – Danger of electric shock. Switch off power to the
unit before working on the unit.
Unit cover, top center
Warning – Moving parts. Do not operate the unit without the
unit cover.
Tab. 5: Signs and symbols on the unit
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