Switching On The Dc Supply; Deinstalling The Inverter - Steca Elektronik coolcept Notice D'installation Et D'utilisation

4.8

Switching on the DC supply

4.9

Deinstalling the inverter

DANGER!
Risk of death by electrocution! Only technical professionals may perform the work described in
this section. Follow the safety instructions at the beginning of the Section "Installation".
Switching off the AC and DC supplies
Disconnecting the DC connections from the inverter
747.431
u Set the DC circuit breaker on the inverter to position I (Fig.
left). After testing via the internal MSD (approx. 2 minutes),
the power fed into the grid can be shown on the display
(assuming that sunlight is present).
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Notice
The DC circuit breaker on the coolcept-x devices can be
secured with a padlock to prevent unintentional switch-on
(maximum padlock size of 7 mm).
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1. Turn the AC circuit breaker to off.
2. Set the DC circuit breaker on the inverter to position 0 (Fig.
left).
u Disconnect the DC cable plug connectors according to the
manufacturer's instructions; see Appendix. A special tool is
required for Multi-Contact MC4.
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Warning
DC cables carry voltage when the solar modules are subjected to
sunlight.
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