Installation and Operation Manual
page 11
MAN332%1.pm5
3.5 Operation and Functional Test
1. Turn on the UPS by setting the rear panel main switch into position 1 or on. On the PTM280VA
and PTM420VA models, the UPS will beep and the front panel LED will light. On the PTM650VA
and PTM1KVA models, the UPS will beep and the front panel Normal Mode LED will light.
2. The UPS may be overloaded if the following occurs: On the PTM280VA and PTM420VA models, the
buzzer sounds continuously and the LED is a constant orange colour. On the PTM650VA and
PTM1KVA models, the buzzer sounds continuously and the Overload LED lights. Unplug the least
critical devices, such as a printer etc. to remove the overload condition
Note:
Backup all unsaved files before you perform the following functional test.
3. To test the backup function, you may unplug the mains lead from the UPS or simply press the Test/
Silence Button on the front panel. During this test, ensure that your equipment operates properly and
without interruption. If you leave your UPS on continuously, it is a good idea to perform a backup
function test at least once a month. The OptiSafe software can be configured to perform automatic
periodic tests.
If you unplug the mains lead, all models will beep once every 4 seconds. You can press the Test/
Silence Button to silence the alarm. In addition, on the PTM280VA and PTM420VA models, the LED
will flash on and off. On the PTM650VA and PTM1KVA models, the Battery Mode LED will light.
Plug the mains lead back in after a few seconds.
If you press the Test/Silence Button, all models wlll beep twice. In addition, on the PTM280VA and
PTM420VA models, the LED will flash twice. On the PTM650VA and PTM1KVA models, the Battery
Mode LED will light. When the test is over, the Normal Mode LED will light.
3.6 Storage Instructions
For extended storage in moderate climates, the battery should be charged for 12 hours every 3 months.
Repeat this every 2 months in high temperature locations. For the PTM280VA and PTM420VA models,
plug the mains lead into the wall socket and turn on the main power switch. For the PTM650VA and
PTM1KVA models, plug in the mains lead. The main power switch does not need to be turned on.
4. User Replaceable Battery
The batteries inside this UPS should last between 3 and 5 years. If you suspect that the batteries are weak,
charge the UPS for at least six (6) hours and then test the UPS again. If the UPS still does not provide
adequate backup time, follow the procedures below to replace the batteries.
4.1 Warning
Please read the following cautions before replacing the batteries.
•
Except for the battery, the unit contains no user serviceable parts. Repairs should be performed only
by factory trained service personnel.
•
A battery can generate an electrical shock and high short-circuit current. The following precautions
should be observed when working on batteries.
(1) Remove watches, rings, or metal objects.
(2) Use tools with insulated handles.
•
Do not dispose of batteries in a fire. The batteries may explode.
•
Do not open or mutilate batteries. They contain an electrolyte which is toxic and harmful to the skin
and eyes.
