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seCtIOn 10 |
Operation
current will increase. At the same time, the value of voltage at the dc input terminals
will decrease due to internal voltage drop in the battery and also due to external
voltage drop in the dc input cables.
indications for normal operation
when the inverter is operating normally and supplying Ac load(s), only the voltage
and current/power lEd bar graphs will be on. In case of abnormal operation, other
displays and alarms will be activated. Please see under “Protections Against Abnormal
conditions” on page 41.
Switching on/oFF Using the optional on/oFF Remote control
An optional wired remote control, Model no. rc-15 (k2, fig. 7.1 or 7.2), is available
to enable switching on and off from a distance of 15 ft. The remote on/off control
comes with 15 ft. of cable. one end of the remote control is plugged into the 6P6c
modular jack (k1, fig. 7.1 or 7.2) 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 on/off conditions by pressing the on/
off Push button on the remote control. The lEd on the remote control will light when
the inverter is in the on condition.
no load current Draw (idle current)
when the on/off switch on the inverter or on the optional remote control rc-15 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 connect-
ed 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 current" draw. hence, when the load is
not required to be operated, turn off the on/off switch on the inverter to prevent un-
necessary current drain from the battery. when the inverter is switched off while using
the optional remote control rc-15, the current drawn from the battery will be < 5mA.
seCtIOn 11 |
Protections Against Abnormal
Conditions
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 internal voltage drop in the bat-
tery and 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 high
internal resistance of the battery due to sulfation, or due to abnormally high drop in the
cables if the cables are not thick enough (Please read under “connection from batteries
to dc Input Side of the Inverter cable and fuse Sizes” on page 34) If the voltage at the
dc input terminals falls below 10.5V, a buzzer alarm will be sounded. The Ac output
Summary of Contents for PSE-12125A
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