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ZY120 6-20kVA (11) User Manual EN rev.04.doc
12) No matter the UPS is connected to the utility power or not, the output of the UPS may have
electricity. The parts inside the unit may still have hazardous voltage after turning off the
UPS. To make the UPS have no output, power off the UPS, and then disconnect the utility
power supply.
13) Suggest charging the batteries for 8 hours before use. After connection, turn the input
breaker in the “ON” position, the UPS will charge the batteries automatically. You can also
use the UPS immediately without charging the batteries first, but the backup time may be
less than the standard value.
14) If it is necessary to connect the inductive load such as a monitor or a laser printer to the
UPS, the start-up power should be used for calculating the capacity of the UPS, as its
start-up power consumption is too big when it is started.
5.3 Operating procedure for connecting the long backup time model
UPS with the external battery
Take out Anderson connector and make battery cables according to site’s application
shown as below:
NOTICE: make sure that the red Anderson connector be connected to battery + and the
black Anderson connector be connected to battery -, or else it may destroy UPS. For the
long backup time modes, make sure that the capacity of batteries is larger than 24AH to
avoid over
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