INSTALLATION, USE AND
MAINTENANCE
SUNWAY STRING BOX
LT 1500V 24 INPUTS
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8.
MAINTENANCE
Danger
Death from electrocution and burns due to contact with live components of the
grid and PV field.
Make sure that no voltage is applied to the equipment. Power must be cut off.
Danger
Before carrying out any kind of operation, please refer to section 2.8.
Note
In the event of any fault, please contact the Enertronica Santerno SpA CUSTOMER
SERVICE for instructions on the necessary corrective action to be taken.
Adequate maintenance ensures conversion performance and inverter reliability is maintained over time.
This heading describes all the activities required to keep machine parts which are subject to wear and
deterioration and/or components which are essential for guaranteeing safety and optimum performance in
good condition.
Access to products for the purpose of maintenance, modifications and management involves all persons
responsible for production and maintenance. It must be carried out in observance of the health and safety
regulations described in section 0.
The minimum maintenance interval is indicated in the table below.
Equipment installed in an environment where there is a high concentration of dust requires more frequent
maintenance than generally indicated.
The activities described may involve stopping the inverter. Once the maintenance procedure has been
completed restart the inverter by pressing the START button.
8.1. Maintenance Sheet
Maintenance tasks
Frequency (recommended)
Box visual inspection and cleaning
Every 12 months
Check the state of connectors
Check the state of cable glands and tubing joints
Check the state of fuses
Check the state of the switch disconnector
Check SPDs
Check that cables and bars are securely tightened
Check the condition of nameplate and warning signs
Every 24 months
The frequency of scheduled maintenance may need to be increased depending on the location in which
the equipment is installed and the relevant ambient conditions.
Table 5: Maintenance sheet
8.1.1. Box Visual Inspection and Cleaning
•
Visually inspect the state of cables. Check that cables show no signs of damage caused by rodents and
remove any insects.
•
Check to see if any condensation has formed inside the equipment. Should this be the case, clean with
a cloth, find out where water is getting in and rectify the problem.
