User Manual EM303B General Purpose Inverter 11.4 Periodic Maintenance and Replacement of Parts In order to keep the inverter operating normally over a long period of time, periodic maintenance and replacement are required for the internal parts according to their service lives. Periodic maintenance standards vary from the inverter’s service environment and applications. See Table 10-2 for the part replacement guidelines. Table 10-2 Part Replacement Guidelines The standard replacement period is based on the following application conditions: Ambient temperature: Yearly average of 30 ℃ Load factor: 80% maximum Operation rate:
12 hours maximum per day 11.5 Outline of Warranty SINEE will provide warranty service under following circumstances: 1 . Warranty is only for inverter. 2 . Authorized distributors of SINEE will take responsibilities for local services within 12 months warranty period. 3 . There is a maintenance charge for any following damage occurred in 12 months. Due to improper operation. Due to unauthorized installation environment. Due to floods, fires , or abnormalvoltage fluctuations. Due to the incorrect wiring. Due to unauthorized modifying or altering. 171 Parts Standard Replacement Period Cooling Fan 2~3 Years Electrolytic Capacitor 4~5 Years PCBA 5~8 Years