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6.2.5 Bypass Mode
Upon connecting to utility input power, the UPS is in Bypass Mode before the UPS is turned on (if BYPASS setting is enabled), and charger
function will be active when battery is connected.
If the UPS has been turned on and encounters abnormal situations (over-temperature, overload, etc.), the static transfer switch will
transfer the load from the inverter to the bypass source with no interruption. If the transference was caused by a recoverable reason, the
UPS will return to Line Mode once the situation has been resolved.
Bypass Mode Diagrams
6. Operation Principles
Q4
Maintenance Breaker
Q4
Maintenance Breaker
Q1
Input Breaker
Q1
Input Breaker
Q2
Bypass Breaker
Inverter
Relay
Inverter
Relay
Q3
Output Breaker
Q3
Output Breaker
Rectier
Rectier
Battery Breaker
Battery Breaker
Inverter
Inverter
STS
STS
Load
Load
Main
Main
Bypass
Single
Input
Dual
Inputs
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