Instruction Manual

V .1.1
I n t r o d u c t i o n
The UPS is exclusively designed for communication devices such as hub, switch and
modem. Featuring with dynamic voltage regulator, the UPS can ensure stable DC
power to connected loads as utility. The built-in DC start function enables the UPS
to be started up without a supply of AC power. The main features of this UPS are
listed below:
1
2
Front V iew:
3
NOTE : Before installation, please inspect the unit. Be sure that
nothing inside the package is damaged.
Placement & Storage Conditions
Install the UPS in a protected area that is free of excessive dust a
nd has adequate
air flow. Please place the UPS away from other units at least 20 cm to avoid
interference. Do NOT operate the UPS where the temperature and humidity is
outside the specific limits. (Please check the specs for the limitations.)
Connect to U tility and Cha rging
Before initial use, please plug in the AC input cord to the
wall outlet and turn on the UPS for charging. For the best
results, suggest to charge the battery at least 6 hours
before initial use. The UPS charges its battery while
connecting to the utility with power on.
Connect the Loads
There are two options for output termi
nals: 6VDC/12VDC and 12VDC/24VDC. Please
verify acceptable voltage of connected device before connecting the wires. Then
follow terminal printing to connect the positive and negative terminals to the devices.
Turn On/ Off the Unit
Turn on the UPS unit by pressing and holding the power switch for 4 seconds. Turn
off the UPS unit by pressing and holding again the power switch for 4 seconds.
Connected devices will be protected by the UPS when turning on the UPS.
Indicator s & A larm Table for Operation
B ack V iew :
6 hours
P r o d u c t O v e r v i e w
AC input
2 x DC (2 x 12 VDC) output screw terminals:
(see output options table)
1
2
2
1
Dual DC outputs
Microprocessor controlled guarantees high reliability
Compact size for standing and mounting flexibility
Supports solar powered devices and communication applications
Auto restart while AC is recovering
Off-mode charging
Overload protection and short circuit protection
Power switch
AC mode indicator: green lighting
Battery mode indicator:
yellow lighting indicates battery mode
yellow flashing indicates low battery
Fault indicator: red lighting
1
2
3
4
1
2
3
4
20c m
20c m
Conditions Visual Indications Alarm
Off
Sounding every 10 seconds
Green LED lighting
Yellow LED lighting
AC mode
Battery mode
Low battery at
battery mode
Fault Red LED lighting Continuously sounding
Yellow LED flashing
Sounding every second
PDC 50- DC UPS Quick Guide
Installation & Initial Startup