inform ETR EVO Series, Installation And Operating Manual

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ETR EVO UPS User Manual (Ver. 1.0) Page 53
8.2. Battery Fuses
Switching the battery circuit breaker to “I” position before seeing “Online Mode” message on the
LCD may cause battery fuses to blow out.
Battery fuses should only be replaced with the same rating or equivalent.
8.3. Fans
The life of fans used to cool the power circuits depends on the usage and environmental conditions.
FANs have a certain life time and its life time depends on environmental conditions ( Temperature,
dust, humidity…etc )
Please look at
Appendix-3: Technical Specifications for detailed environment conditions.
Preventive maintenance shall be done by authorized Technical Personnel periodically.
8.3. Capacitors
There are two type of Capacitors used inside the UPS;
1) Electrolytic Capacitors on the DC Bus
2) AC Filter Capacitors on the UPS output
The life time of these capacitors depend on the usage and environmental conditions ( temperature,
humidity, load %..etc )
Preventive maintenance on Capacitors should be done by authorized Technical Personnel
periodically.