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B400R 1-3kVA User Manual
10
Note:
Three or more EBMs can be connected to the UPS in the same way as shown above.
Note:
After connect the EBMs, please do not forget to set the number of EBMs on LCD, If use the
nonstandard EBMs, please call local dealer or distributor for setting method.
1.2 Operation
Do not disconnect the mains cable on the UPS or the building mains supply (grounded
shockproof socket) during operation as this will remove the ground protection to the UPS and all
connected equipment.
The UPS features its own, internal current source (batteries). There is a risk of electric shock if
you touch the UPS output sockets or output terminal block even if the UPS is not connected to
the mains.
In order to fully disconnect the UPS, first press the ON/OFF button to turn off the UPS, and then
disconnect the mains lead.
Ensure that no liquid or other foreign objects can enter the UPS.
Do not remove the enclosure.
This system is to be serviced by qualified service personnel only.
Remove the protective panel only after disconnecting the terminal connections.
1.3 Maintenance, servicing and faults
The UPS operates with hazardous voltages. Repairs must be carried out by qualified
maintenance personnel.
Caution - risk of electric shock. Even after the unit is disconnected from the mains power supply,
components inside the UPS are still connected to the batteries which are potentially dangerous.
Before carrying out any kind of service and/or maintenance, disconnect the batteries. Verify that
no current is present and no hazardous voltage exists in the capacitor or BUS capacitor
terminals.
Batteries must be replaced only by qualified personnel.
Caution - risk of electric shock. The battery circuit is not isolated from the input voltage.
Hazardous voltages may occur between the battery terminals and the ground. Verify that no
voltage is present before servicing.
Batteries have a high short-circuit current and pose a risk of shock. Take all precautionary
measures specified below and any other measures necessary when working with batteries:
-
Remove all jewellery, wristwatches, rings and other metal objects
-
Use insulated tools only.
When changing batteries, replace with the same quantity and the same type of batteries.
Do not attempt to dispose of batteries by burning them. It could cause an explosion.
Do not open or destroy batteries. Effluent electrolyte can cause injury to the skin and eyes and
may be toxic.
Please replace the fuse only by a fuse of the same type and of the same amperage in order to
avoid fire hazards.
Dismantling of the UPS must only be performed by qualified service personnel.