Technical information

Section 8

Operation

* Switch ON the UPS by POWER Switch (After the input cable is plugged into the wall socket).

* After the UPS is ON and the LED will become (light Green in case of Heritage+, Heritage Gold & Bravo models or output LED will glow Green

incase of MDP800+ model) indicating that the UPS is on Mains and the output is available.

* Now, you can switch ON the computer system without worrying about any kind of power interruptions.

* If you wish to test the UPS, you may pull-out the UPS power cord(from wall socket) or switch OFF the ON/OFF switch(of the wall socket). And, if

the computer doesn't shutdown and the LED lights up (Amber in case of Heritage+, Heritage Gold & Bravo models or backup LED will glow

Light Red incase of MDP800+ model) and the buzzer starts producing beep sound at an interval of 8/20 sec., It means that the UPS is working in

normal condition.

* After doing the above test, please ensure to plug-in the power cord to the wall socket (if removed).

Cold Start :

When the UPS is "OFF" and there is no mains power, it is possible to power-on the essential equipment connected to the UPS outlets. Make sure

that only the most needed equipment is connected to the UPS at this time.

* Press the POWER switch to ON position.

* If there is no output and UPS does not go to backup mode then reset the UPS by switching ‘OFF’ the POWER switch to OFF position. Then

switch off the unwanted loads connected to the UPS, now switch ‘ON’ the UPS. Complete whatever you want to do with the powered equipment,

before the UPS battery is discharged.

NOTE: This Feature may not work with certain type of loads having high inrush current.

Alarms

Battery Backup : During battery backup (on battery) operation, the LED turns Amber in case of Heritage+, Heritage Gold & Bravo models or

backup LED(Red) will Light up incase of MDP800+ model) and the UPS gives an audible alarm consisting of one beep repeated after every 8/20

seconds. This alarm stops when the UPS returns to on-line operation.

Battery Low : When the UPS is connected to backup mode and the battery goes low or the UPS is overloaded, the UPS gives a continuous audible

alarm (beep). The alarm remains on until the overload is removed. Disconnect non-essential load equipments from the UPS to eliminate the

overload. If, after removing the overload the alarm still remains on, it indicates that the battery is low i.e. charging is required.