Steca coolcept - Installation; Safety Measures and Mounting

4 Installation
4.1
Safety measures for the installation
Observe the following safety notes when performing the work described in Section Installation.
DANGER!
Risk of death by electrocution!
– Only technical professionals may perform the work described in Section Installation Carry
out the measures described.
– Always disconnect all DC and AC cables as follows before starting work on the inverter:
1. Turn the AC circuit breaker to off. Take measures to prevent the system from being
unintentionally switched on again.
2. Set the DC circuit breaker on the inverter to position 0. Take measures to prevent the
system from being unintentionally switched on again.
3. Disconnect the DC cable plug connectors according to the manufacturer's instructions.
Warning
DC cables carry voltage when the solar modules are subjected to sunlight.
4. Disconnecting the AC plug from the inverter ⇒ Release safety clip at the front of the AC
plug by depressing it with a suitable object, then pull the plug out.
5. 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).
–
Do not connect cables to the inverter until explicitly asked to do so in the instructions.
– Do not open the casing of the inverter.
– Connect only SELV circuits to the RJ45 sockets.
– Lay the cables such that the connection cannot come loose accidentally.
– When laying cables, ensure that no damage occurs to any of the constructional fire safety
measures in the building.
– Make sure that no inflammable gases are present.
– Observe all applicable installation regulations and standards, national laws and connection
values specified by the regional power supply company.
EN
747,431 | Z09 | 2015-09-30 33