P73335u_UPS_man.qxd | 4/30/01 12:19 PM Page 11 |
4. Operation
En
4-1 Cold Start when utility is not present
Even with the absence of utility power, the UPS can be turned "On". Just push the ON/TEST button and wait for about two seconds for the UPS to be turned "On". The INVERTER LED will light followed by a beep and the UPS is "On".
4-2 Turning 'ON' the UPS
Under normal utility power, push the ON/TEST button for the UPS to be turned "On". Once the UPS is "On", it will emit a beep and then supply power to the loads.
Pressing the "Off" button will immediately stop the UPS from supplying power to loads.
Note: It is possible that the utility power is still present even though the OFF button has been pressed. To fully turn OFF the UPS, it is advisable to unplug the power cord.
4-4 UPS Self-Test
Pressing the ON/TEST button when the UPS is in "ON UTILITY MODE" will make the UPS shift to "ON BATTERY MODE" and automatically perform a
4-5 Silence Function
The buzzer can be turned "On" or "Off" by toggling the ON/TEST button when the UPS is in "ON BATTERY MODE".
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