ASHAPOWER SURYA-40 HV Panduan Pengguna - Halaman 8

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SMF, VRLA, AGM, GEL Batteries.

SMF (sealed maintenance free), SLA (Sealed lead acid) and VRLA (Valve regulated lead acid) batteries are

same. Its 2 types of cells are (AGM (Absorbed glass mat) and GEL cells. They are maintenance free batteries

which do not require regular water ﬁlling, its composition of electrodes and electrolyte is same as ﬂooded lead

acid batteries. These batteries do not need to be kept upright as the electrolyte is in the form of gel or paste.)

Un-attended equalization charging of battery is risky as there is chance for overheating of battery

plates, overﬂowing of electrolyte and damaging of batteries.

Remove all loads from the batteries before starting equalization charging. Fill all the battery cells with distilled

water in the required level. It is better to remove the all the lids of batteries before starting equalization

charging as the batteries will begin gassing and bubbling vigorously at the peak stage of boost charging.

Ensure the batteries are installed in a good ventilated area. Even a spark from a metal cutter, loose contact of

battery wires may cause ﬁre hazard and explosion of batteries. During equalization charging, check the

changes in the speciﬁc gravity of acid of each cells every hour and stop charging if the gravity and voltage of

cells no longer rises during the gassing stage. Further improvement of the cell is not possible and continued

charging will spoil batteries

Enabling limited ampere charging in MPPT charge controller.

Enter settings menu 13. AMP-LT

1. Select option "0" to disable limited ampere charging.

2. Select option "1" for limited ampere charging up to the set value of 7th menu. (7.GRD-SOL) ( Grid to Solar

shifting volt 14.2V default) When kept in this mode MPPT delivers only 30 amps of continuous charging

current to the battery if the Ah is set to 150 and delivers the maximum available ampere to load and battery

charging after shifting to solar power.

3. Select option "2" for limited ampere charging up to the set value of 2nd menu. (Bulk charging limit. 14.8V

default) MPPT delivers only 30 amps of continuous charging current to the battery if the Ah is set to 150 and

release the ampere limit only after the completion of bulk charging (14.8V in default). In this mode, load is

shifted to inverter only after starting ﬂoat charging (end of bulk charging)

Enabling equalization charging in MPPT charge controller.

Enter settings menu and conﬁgure menu 5.N-DAYS "0" to disable all modes of equalization charging.

Enter settings menu and conﬁgure following settings for enabling equalization tcharging:

3.EQLZ-V :

Set the equalization voltage

As the equalization is an over charging process, ask a battery expert before setting the maximum applicable

upper voltage limit. Blind settings will spoil the batteries.

4.BVLC-V :

Select the battery low voltage level to enable equalization charging based on battery terminal

volt. (Conﬁgure a value slightly less than inverter low voltage cut o to avoid frequent equalization charging)

5.N-DAYS :

Set period of Equalization charging

N-DAYS = 0 =>Disables all modes of Equalization charging

N-DAYS = 1 =>Equalization charging starts every alternate days

N-DAYS = 2 =>Equalization charging starts every 2 days

............................................................................................

N-DAYS = 30 => Once in a month (Recommended)

N-DAYS = 90 => Once in 3 months

N-DAYS = 180 => Once in 6 months

13.AMP-LT :

Recommended to set AMP-LT "1" or "2" for controlled (limited ampere) charging to battery in

Equalization charging mode.This option is recommended because system will not shift from grid to solar till

the equalization charging is completed which helps to rise battery terminal voltage gradually and attains

maximum gravity of electrolyte and gets good backup from batteries.

(Read page 10 for MPPT function settings)