Steca coolcept StecaGrid 1800, Installation And Operating Instructions Manual

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4.9 De-installing 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
1. Turn the AC circuit breaker to off.
2. Set the DC circuit breaker on the inverter to position
0
(Fig.
left).
Disconnecting the DC connections from the inverter
u Disconnect the DC cable plug connectors according to the
manufacturer's instructions; see Appendix. A special tool is
required for Multi-Contact MC4.
—————————————————————————
Warning
DC cables carry voltage when the solar modules are subjected to
sunlight.
—————————————————————————
Disconnecting the AC plug from the inverter
1. Remove the AC plug from the socket on the inverter as
described in the Appendix under Mounting
⇒
AC plugs.
2. Check that all pins of the AC plug are free of voltage. Use a
suitable voltmeter for this (do not use a simple neon phase
checker).
Opening the AC plug (only if required)
u
Open the AC plug as described in the Appendix under
Mounting
⇒
AC plugs.
GB
747.431 | Z08 | 2014-01-31 113