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Protections against abnormal conditions – Samlex America PSE-12275A User Manual

Page 30

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Switching on / off using the optional remote on / off Remote Control
An optional corded Remote Control, Model No. RC-15, is available to enable switching
on and off from a distance of 18 ft. The remote on / off control comes with 18 ft. of wire.
One end of the remote control is plugged into the 6 position modular jack (f) provided on
the inverter. To use the remote control, the inverter is first required to be switched on
from the on / off switch on the front panel.
Now, the inverter can be toggled between
off / on conditions by pressing the push button on the remote control. The LED on the
remote control will light when the inverter is in the on condition

No load draw (idle current)
When the on / off switch is turned on, all the circuitry inside the inverter becomes alive
and the AC output is made available. In this condition, even when no load is being
supplied (or, if a load is connected but has been switched off), the inverter draws a small
amount of current from the batteries to keep the circuitry alive and ready to deliver the
required power on demand. This is called the idle current or the no load draw. Hence,
when the load is not required to be operated, turn off the on / off switch on the inverter to
prevent unnecessary current drain from the battery.

Low DC input voltage warning alarm. The voltage at the DC input terminals will be
lower than the voltage at the battery terminals due to the voltage drop in the battery
cables and connectors. The drop in the voltage at the DC input terminals of the inverter
could be due to lower battery voltage or due to abnormally high drop in the cables if the
cables are not thick enough (Please read under

“Installation – Connection from the

batteries to the DC input side of the inverter –cable and fuse sizes” on page 24)

If the

voltage at the DC input terminals falls below 10.5 V, a buzzer alarm will be sounded. The
AC output voltage will continue to be available. This warning alarm indicates that the
battery is running low and that the inverter will be shut down after sometime if the
voltage at the inverter terminals further drops to 10 V.

Shut-down due to low DC input voltage. If the inverter continues to power the load
after the low DC input voltage buzzer alarm is sounded, it will shut down completely
when the DC input voltage further drops below 10 V. There will be no AC output voltage
and the alarm will continue to sound.

The unit will be latched in this position. To reset the

unit, switch the on / off switch (a) to the off position and on again.

Shut-down due to high DC input voltage. If the voltage at the DC input terminals
exceeds 16.5 V, the inverter will be shut down completely.

The unit will be latched in this

condition. To reset, switch the on / off switch (a) to the off position and on again.

PROTECTIONS AGAINST ABNORMAL

CONDITIONS

Page 29

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