MSW Motor Technics S-POWER-P&P7 Manuel D'utilisation page 41

2. When performing maintenance, always use the personal protective equipment provided by your employer.
3. During normal operation, check that the environmental and logistical conditions are correct. Make sure
that these conditions have not changed over time and that the equipment has not been exposed to severe
weather conditions and not covered by foreign objects.
4. Do not use it if you find a problem, and restore it to the original state after the problem is solved.
5. Carry out annual inspection of each component, and use a vacuum cleaner or special brush to clean the
equipment.
6. If the device is not for immediate use or long-term storage, make sure it is properly packaged. Equipment
must be stored in a well-ventilated inner area that does not have characteristics that could damage
equipment components.
7. A full inspection should be carried out when restarting after a prolonged or prolonged cessation of use.
8. For end-of-life equipment that may be hazardous to the environment, properly dispose of the equipment
in accordance with the regulations in force in the country where it is installed.
WARNING!

Do not attempt to disassemble the inverter or perform any internal repairs! Unauthorized private repairs
will void your warranty.

The AC output harness (AC breakout cable on the micro-inverter) cannot be replaced. If the power cord is
damaged, the device should be scrapped.

Unless otherwise specified, maintenance operations must be performed with all connections to the AC
side and DC side of the inverter disconnected.

When cleaning, do not use wipes made of filamentous materials or corrosive products that may corrode
equipment parts or generate static charges.

Avoid temporary repairs. All repairs should be carried out using only original spare parts.

A 40 A circuit breaker should be provided for each branch circuit, but no central protection unit is required.
Micro inverter replacement
Procedure
a. How to disassemble the micro-inverter:
b. How to replace the micro-inverter:
EN

Disconnect power from the AC branch circuit
breaker.

Remove the PV panel from the bracket and
cover the panel.

Use a meter to measure and make sure
there is no current flowing in the DC wires
between the panel and the micro-inverter.

Use the DC disconnect tool to remove the
DC connector.

Use the AC disconnect tool to remove the AC
connector.

Unscrew the fixing screws on the top of the
micro-inverter and remove the micro-
inverter from the PV support.

Please note the serial number of the new
micro-inverter.

Make sure the AC branch circuit breaker is
turned off, then follow the micro-inverter
installation steps to install the replacement
Steps