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The “No Load Power Draw” of EVO-4248SP in the Normal Operating Mode is <30W.

The EVO-4248SP has an

optional programmable

operating mode called “Power Saving Mode” that is designed to

reduce this “No Load Power Draw” to less than 8W during conditions where the Inverter Section is ON but is not
supplying any load

[Applicable only when the unit is operating in “Inverting Mode”]

Enabling / disabling of “Power Saving Mode” is carried out using optional Remote Control Model EVO-RC-PLUS. The EVO™ is
shipped with the “Power Saving Mode” option in “Disabled” condition

[Programming Parameter “POWER SAVING” is set at

“0=Disabled” in the Default condition – See Section 4.8.2.1 of the EVO-RC-PLUS Remote Control Manual]

When “Power Saving Mode” is enabled, the Inverter Section will NOT provide full rated output voltage of
120/ 240VAC of Normal Operating Mode but pulsing output voltage consisting of 3, 60 Hz cycles of “reduced 48Vrms
load search voltage” every 0.5 sec. This output voltage is used to “search” if a load is being powered and also to
measure the power drawn by this load

[The power drawn by the load will be initially measured based on pulsing

output voltage consisting of 3, 60 Hz cycles of “reduced 48VAC load search voltage” every 0.5 sec and from there,
the power will be calculated based on the rated output voltage of 120 / 240VAC for the Normal Operating Mode]

Operation of the “Power Saving Mode” is controlled through the following programming parameters:

•

4.8.3.1 Parameter “ENTER POINT”

[See Section 4.8.2.2 in the EVO-RC-PLUS Remote Control Manual]

This parameter determines the threshold of power drawn by the load at which the EVO™ will exit the Normal
Operating Mode

(full 120 / 240VAC output voltage; No Load Power Draw from the battery will be <30W)

and

“enter” Power Saving Mode (

output voltage consisting of 3, 60 Hz cycles of “reduced 48VAC load search voltage”

every 0.5 sec; No Load Power Draw from the battery will be < 8W

The programmable range of this parameter is 4-50Watts; Default value is 8W.

Whenever the Inverter Section is switched ON with “Power Saving Mode” in enabled condition, it will initially start in Normal
Operating Mode

[Full 120 / 240VAC output voltage; No Load Power Draw from the battery will be <30W]

. It then measures

the power drawn by the load, if any, based on Normal Operating Voltage of 120 / 240VAC. If the power drawn by the load
is ≤ the programmed power value of “Enter Point”, the Inverter Section will enter “Power Saving Mode” (

pulsing output

voltage consisting of 3, 60 Hz cycles of “reduced 48Vrms load search voltage” every 0.5 sec

). It is, therefore, important to first

determine the running power consumption of your load in Watts and then, ensure that the programmed value of parameter
“ENTER POINT” is > the running power of the load. If the running power of the load is < the programmed value of parameter
“ENTER POINT”, the load may turn ON initially due to higher initial startup surge power but will turn OFF when it starts
drawing lower running power that is < the programmed value of parameter “ENTER POINT”.

(

NOTE

: The initial startup surge

power of AC loads may be up to 10 times higher than their “running power” depending upon the type of AC load)

•

4.8.3.2 Parameter “WAKE UP POINT”

[See Section 4.8.2.3 in the EVO-RC-PLUS Remote Control Manual]:

Once the inverter enters “Power Saving Mode” as described at Section 4.8.3.1

[Output voltage consisting of 3, 60

Hz cycles of “reduced 48VAC load search voltage” every 0.5 sec; Power draw from the battery will be < 8W]

, it will

continue to remain in this mode till the time the power drawn by the load is ≥ than the programmed threshold of
Parameter “WAKE UP POINT”