ABB PVI-3.0-TL-OUTD-S-US, Руководство по эксплуатации продукта, Страница: 64 / 75

- 64 -
C012C6
6 - Maintenance
R
ecommended system maintenance
If not performed more often, ABB recommends having the systems checked after about 5 years of activity to
maintain the correct working performance.
Clean the photovoltaic panels every six months, at the change of season or as necessary. The
performance of the system depends on the condition of the PV panels. To clean, follow the
specifications of the PV panel supplier.
P
reventative maintenance
These maintenance operations MUST be carried out by the installer or trained maintenance personnel.
If repairs to the inverter are required for any reason, recheck all items after repairs are completed
INTERVAL INVERTER MAINTENANCE ITEM
Annually Check the cooling air path and heatsink for blockages
Annually Check internal cooling fan operation (monitor start-up for warning)
Annually Check all electrical connections using an IR camera or equivalent to determine hot spots.
Check torque value for any connection indicated*
Annually Check AC pressure connectors
Annually Check torque of screws on chassis access covers to insure NEMA4X compatibility*
Annually Check all connections terminals for discoloration or signs of high temp/current*
1 year Remove and replace the memory back-up battery, see instructions in this section.
*ABB recommends checking this item after first six months of operation, and then annually; refer to torque
tables in appendix, section 7.
C
R2032 battery replacement
The CR2032 battery, located in the inverter on the main connection board,
powers the time of day clock. When this battery is at end-of-life a message will
be appear in the display alerting the need for replacement.
• Remove the inverter front cover.
• Remove the old battery.
• Insert the new battery into its holder, sliding in at a 30° angle.
• The battery should seat into the correct position within the holder.
• After battery replacement is complete, replace the front cover and tighten
cover screws with at least 1.5Nm (13.2 in-lbs) torque to ensure proper
waterproof sealing.