Periodic Maintenance
152607 5–7
Six-month Intervals
Perform the following preventative ma intenance tasks on a six-month basis or as
required.

Enclosure Seals

❐Inspect the enclosure access panel seal. If damaged, replace with equivalent
closed cell foam gasket. Call y our Xantrex Technology distributor for factory
replacements or specifications.

Electrical Connections

❐Inspect the condition of all wiring within and interf acing to the PV225S.
❐Inspect all compression-type ca ble terminations and box-type connections
within the AC and DC Interface Enclosures, Main Inverte r Enclosure, and
Transformer Enclosure for damage caused from high te mperature.
❐Also check these terminations and connections f or signs of corrosion. If any
cabling or wiring within and interfacing to the PV225S are fo und to be or are
suspected to be unacceptable, contact your Xantr ex Technology distributor for
factory replacements or recommendations. Replacement of any damaged
wires will be necessary.
❐Verify all mechanical connections are sufficiently tightened. Verify all
conduction surfaces are clean and free of corro sion. Mechanical electrical
connections may loosen over time primarily due to thermal cycling during
normal operation. As electrical connectio ns loosen, impedance will increase
at the connection, eventually leading to poss ible fire and component damage.
It is critical to check all electrical connections every six months.
See termination torque specifications for AC co nnections in TableA- 4 on
page A–4. See termination torque specifications for DC connections in Tabl e A -5
on page A–4.

Inductor Enclosure

❐Remove the access panels on the inductor enclosure and inspect for any
accumulated dirt and debris within the enclosure. Vacuum enclosure
whenever dust or dirt is present.