Three phase ups systems 1. system overview – OnLine Power Battery Backup System User Manual
Page 28
OLP
Three Phase UPS Systems
1. SYSTEM OVERVIEW
1-24
M. Up key: This is a LCD control key. It is for moving the cursor one item upward
when items are being selected or for changing the number/character forward
when data or parameter of the UPS is being set.
N. Down key: This is a LCD control key. It is for moving the cursor one item
downward when items are being selected or for changing the number/ character
backward when data or parameter of the UPS is being set.
O. Enter key: This is a LCD control key. It is for changing backward to the previous
page, and also for confirming the number/character /item is selected.
NOTE: The following functions require both switches activated simultaneously
P. Inverter on switch: This is an inverter “control switch”. When this key is pushed
with the “control switch” simultaneously, the inverter will be switched on.
Q. Inverter control switch: This is an inverter “control switch”. When this key is
pushed with the “inverter on” switch simultaneously, the inverter will be switched
on. Similarly, when this switch is pushed with the inverter off switch
simultaneously, the inverter will be switched off. Thus, this switch is a guard for
mistaken key strokes.
R. Inverter off switch: This is an inverter control switch. When this key is pushed
with the control switch simultaneously, the inverter will be switched off.