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Maintenance Bypass - YAMABISHI ALS Series Instruction Manual

On-line uninterruptible power supply

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Do wiring referring to the following table. 
 
 
Input ExternalBattery Output
Start-up and Shut-down
1.
Start-up
Turn on a battery breaker and an input breaker in the rear.
After an alarm rang and bypass operation was done for about thirty
seconds, inverter operation (It usually drives.) is done.
Shut-down
Push the ON/OFF key of the front panel and change to the bypass operation.
Turn off battery breaker and an input breaker in the rear.
An alarm rings, and a device stops in about ten seconds.
Maintenance-Bypass
Switch the Maintenance Bypass Switch on manual,
AC power source is output.
*There is a momentary interruption.
 
 
Terminal
M4
Breaker
over 50A
 

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Als-3kh