Sermatec SMT-5K-TL-LV, Руководство пользователя, Страница: 32 / 46

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5 Product Maintenance
This chapter mainly introduces routine maintenance, troubleshooting.
Dangerous
①
.
You will be obliged to implement product maintenance complying with the safety regulations.
②.The personnel to implement the internal operation of inverters must be trained and qualified with
sufficient knowledge of the electrical systems.
③.It is required to implement powering down before the system clean、confirming the reliability of
electrical connection, the ground connection , etc.
SSTTEEPPSS ttoo ppoowweerr ooffff
a. Run APP, execute the shutdown command, and please refer to Chapter 4.2
b. Sequentially disconnects
①
.
PV side switch,
②
.
Battery side switch,
③
.
PV rotatory switch on the inverter,
④
.
AC grid side switch
⑤
.
AC load side switch.
5.1 Routine Maintenance
Table5-1
Checking
Content
Checking Method Maintenance
Period
System Clean Periodic inspection for cooling fan, clean out dust Once in six months
to one year
System
running status 1. Observe the physical appearance of inverter to
determine whether it is damaged or deformed.
2. If there is any noise from the inverter during the
operation.
3. During the operation, check and ensure all
parameters are set properly.
Once in six months.
Electrical
Connection 1. Check if the cable connections loosen.
2. Check if cables are damaged, especially for bus
cables.
Half a year after first