opti-solar SP5000 Vitality Eco, Installation & Operation Manual, Page: 51 / 57

49
Maintenance
Regular maintenance
For best results, please follow below points:
1. Keep proper distance from other obstacles. Make sure air-flow and
heat dissipation path is cleared
2. Clean up any dust on this unit, especially on the ventilation holes
3. Check operation and status if possible
4. Check all wiring and cables
Cleaning Dust
Use a brush the clean the dust on ventilation holes on both sides
Replacing AC Fuse
For some abnormal situations such as over load on AC out, the AC fuse may be
broken. If this happens, you need to replace the fuse (30A/250VAC, fast-
acting).
There is a spare fuse in accessory. Take that fuse, follow figure on right side
and replace it.