7
Standard Timer1 & Timer2 setup, with NLF=OFF
If you set NLF=OFF, then you can program the s tandard load control
functionality with Timer1 and Timer2. Press “menu” button 6 times
from the default window, taking you to NLF setup interface. Press
“enter” butto n once, choose NFL OFF via ‘Pageup/Pagedown’ button,
and then confirm by “enter”.
Press “menu” button once from NLF window, Window will switch to
Timer1 setup interface. Press “ enter” button once, you c an adjust
‘Hour’ via ‘Pageup/Pagedown’ button. After ‘Hour’ setup pres s ‘enter’
butto
n for confirmation and switch to ‘Minute’
adjustment. You can use
‘Pageup/Pagedown’ button to adjust it. This can be confirmed by
pressing ‘enter’ button. Through ‘Pageup/Pagedown’ button, choose
‘ON’ or ‘OFF’ or ‘ON/OFF’ and then confirm by ‘enter’ button.
Press ‘menu’ butto n again , window will switch to Timer2 setup interface. Similar operation for time and
ON/OFF setup as mentioned above.
NOTE for programming Timer1 & Timer2
Setting eit her Timer to ON sets the time when you want to turn the load on.
Setting either Timer to OFF sets the time when you want to turn the load off.
Setting either Timer to “ON/OFF” will disable the
timer, and the load output will revert to manual load
control.
Functional Explanation s
1. PWM Charge control
Depending on the actual battery level, various charging procedures, float charging, boost charging
and equalization charging are automatically performed.
2. Deep discharging protection
If the battery falls below a specified charge level or battery voltage, the load output is disconnected
and the discharge of the battery is prevented. The s et poin
t
s of the deep discharging protection are
predefined and cannot be reset.
3. MPPT function
MP-3739 uses the latest MPPT technology at all tim es which gives the maximum available output of
the solar m odule.
4. 5V USB output
Provide 5Vdc/500mA power supplier.
5.
2 timers, control the load output automatically.
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