Cosmo eXcess Montage- Und Bedienungsanleitung Seite 43

2. INSTALLATION
Controller with power unit
Bus
Fan
N L
⏚
N L
⏚ Mains
Immersion
heater
2.2 ELECTRICAL CONNECTION
WARNING!
WARNING!
ATTENTION!
ATTENTION!
NOTE
Cables carrying low voltage must not run together in a cable conduit with cables carrying
a higher voltage than 50 V!
NOTE
The connection to the power supply must always be the last step of the installation!
Do not use the devices if they are visibly damaged!
The controller is supplied with power via a mains cable. The power supply of the device must be
100 – 240 V~ (50 – 60 Hz). The cross section of the cable must be 2.5 mm².
ATTENTION! DAMAGE BY OVERHEATING!
Sensor module
NOTE
Use a shielded cable with a cross section of 3 x 2.5 mm² for connecting the electric im-
mersion heater, see page 47. The cable length must not exceed 5 m.
WARNING!
ELECTRIC SHOCK!
Upon opening the housing, live parts are exposed!
Î Always disconnect the device from power supply before opening the
housing!
ELECTRIC SHOCK!
Stresses and strains on the cables can lead to short-circuit or electric shock!
Î Route the cables in conduits directly underneath the housing!
Î Install the cable conduit such that the fan is not covered!
OVERHEATING!
Covering the fan can lead to damage caused by overheating!
Î Take care not to cover the fan!
ESD DAMAGE!
Electrostatic discharge can lead to damage to electronic components!
Î Take care to discharge properly before touching the inside of the
device! To do so, touch a grounded surface such as a radiator or tap!
The use of electric immersion heaters without a thermal cut-out can lead to
damage by overheating!
Î Only use single-phase electromechanical electric immersion heaters up
to 3 kW with a thermal cut-out!
Î Do not use electronically controlled electric immersion heaters!
Î Pay attention to the manual of the electric immersion heater!
ELECTRIC SHOCK!
Without the PE connection, the housing could be live!
Always re-establish the PE connection at the cover before putting
Î
the cover on the housing!
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