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8.1 Types of Operation
This section summarizes the types of operations covered in this manual and their objectives.
Refer to the attached operating procedures document for specific details on the operating
procedures.
No. Operation General Description/Objective Page No.
1 Startup Starts up and operates the stopped UPS. Page 27
2 Switch Power Supply Switches between UPS power supply and
bypass power supply.
Page.31
3 Stop Stops a UPS that is operating. Page 32
4 Complete shutdown Turns off the control power supply and shuts
down the UPS completely.
Page 34
5 Charge
(floating/equalized)
Changes the mode for battery charging (in the
case of HS or AHH individual battery).
Page 36
6 Floating charge Used to change the charging mode manually
from protective charge to floating charge (in
the case of an MSE individual battery).
Page 39
7 Supply power to
maintenance
bypass
Changes the supply of power to the load to
bypass power supply (when the UPS must be
shut down completely for maintenance,
inspection, etc.).
Page 39
8.2 Pre-operational check
Be sure to check the following items before operating the UPS:
(1) Make sure all internal covers are in place.
(2) Make sure all doors are closed. If doors are opened to operate circuit breakers, switches
and the like, be sure to close them afterward.
(3) Make sure the air conditioners in the UPS chamber and battery chamber are operating.
(4) When starting up the UPS, make sure all circuit breakers (52R,72B,52C,52L and 52M)
and switches (8A and 6CH) are off. (Certain systems are also provided with the switch
8D.)
(5) When starting up the UPS, check on the equipment supplying power to the UPS to make
sure AC input voltage is being supplied to the UPS.