102
Cod.: 240.010.0042
DLS / DLS-C Series
9 MANTEINANCE
9.1 General Information
Any repair or replacement of parts of the system must be performed exclusively by qualied staff.
The repair or replacement of parts of the system by unauthorized staff will immediately invalidate the pro-
duct warranty.
Only genuine spare parts must be used. Using non genuine spare parts will immediately invalidate the
product warranty.
Immediately replace the components that do not appear in perfect conditions.
Before starting any maintenance operations, make sure that the system has been switched off, and that the
AC line external main switch has been set to off..
Do not carry out other operations on the inverter for at least 10 minutes. The inverter contains capacitors
that need a minimum time to discharge.
Never disconnect the AC or DC connectors connected to the DLS system before having disconnected the
protection switches (external and internal). Any disconnection of the connectors during operation can ge-
nerate large electrical arcs.
An electric shock shock can be fatal.
An electric discharge can set re to the inverter.
An electrical discharge can cause res capable of spreading to the surrounding areas.
It is absolutely forbidden to open the DLS system except as provided in this manual.
The DLS system must not be subjected to any type of modication.
If the operator does not comply with what is described, the manufacturer declines all responsibility.
9.2 System switching off
Proceed as follows to switch off the system:
1. Enable the inverter stand-by by placing the AC BYPASS switch in the "1" position.
2. Disconnect the DC switch (position 1).
3. Disconnect the AC GRID and AC OUT circuit breakers.
4. Disconnect the BATTERY circuit breaker (where present) and turn off the LV battery.
5. Wait for the display to turn off.
6. Do not carry out other operations on the inverter for at least 10 minutes. The inverter contains ca-
pacitors that need a minimum time to discharge.
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