TriStar Manual

45TriStar MPPT Operator’s Manual
4.6 Inspection and Maintenance
The following inspections are recommended two times per year for best long-term performance.
System Inspection
• Conrmthecontrollerissecurelymountedinacleananddryenvironment.
• Conrmthattheairowaroundthecontrollerisnotblocked.Cleantheheatsinkofany
dirt or debris.
• Inspect all exposed conductors for insulation damage due to sun damage, rubbing on
nearby objects, dry rot, insects, or rodents. Repair or replace conductors as necessary.
• Tighten all power connections per the manufacturer’s recommendations.
• Verify the LED indications are consistent with the equipment operation. Note any fault or
error indications. Take corrective action if necessary.
• Inspect the battery bank. Look for cracked or bulging cases and corroded terminals.
Forwetcelloodedbatteries,makesurethewaterleveliscorrect.Wetcellwaterlevels
should also be checked frequently according to the manufacturer’s recommendations.
• Inspect the system earth grounding for all components. Verify all grounding conductors
are appropriately secured to earth ground.
Inside the TriStar MPPT 150V Wiring Box
CAUTION: Shock Hazard
Disconnect all power sources to the controller before removing the wiring box cover.
Never remove the cover when voltage exists on the TriStar MPPT 150V power
connections.
PRUDENCE : Risque de décharge électrique
Déconnectez toutes les sources d’alimentation du contrôleur avant d’enlever le couvercle
du boîtier de câblage. Ne retirez jamais le couvercle en présence de tension sur une des
connexions d’alimentation du TriStar MPPT 150V.
• Check all wire terminals. Inspect connections for corrosion, damaged insulation, signs of
high temperature or burning/discoloration. Tighten the terminal screws to the recommend-
ed torque.
• Inspect for dirt, nesting insects, and corrosion. Clean as required.