Operation
ProStar MPPT Operator’s Manual
47
46
4.0
Equalize Time-out
1:00
2:00
3:00
4:00
5:00
6:00
Absorp. V
Bulk
Float
Equalize
Equalize timeout
time (hrs)
Equalize V
Figure 4.6. Equalize Time-out Charging Profile
The charging profile in figure 4-6 above, shows an
Equalize
Timeout
event. The timeout timer begins as soon as battery
voltage exceeds the Absorption voltage set-point. If there
is insufficient charging current or system loads are too large,
the battery voltage may not reach the Equalize set-point.
Equalize Time-out is a safety feature that prevents high
battery voltage for extended periods of time which may
damage the battery.
4.3 Load Control Information
The primary purpose of the load control function is to
disconnect system loads when the battery has discharged
to a low state of charge and reconnect system loads when
the battery is sufficiently recharged. System loads may be
lights, pumps, motors, DC appliances, and other electronic
devices. The total current draw of all loads must not exceed
the ProStar MPPT 25 or 30 amp maximum load rating.
CAUTION:
Do not wire an AC inverter of any size to
the load terminals of the ProStar MPPT - damage to the
load control circuit may result. Wire inverters directly to the
battery or battery bank.
PRUDENCE
:
Ne pas raccorder un inverseur de toute
taille de la bornes de charge MPPT ProStar - endommage
ment de la charge contrôle est susceptible d'entraîner. Ondu-
leurs de fil directement à la batterie ou groupe de batteries.
Current Compensation:
All LVD and LVR set-points are current compensated.
Under load, the battery voltage will sag in proportion to the
current draw of the load. A short-term large load could
cause a premature LVD without the current compensation
feature. LVD and LVR set-points are adjusted lower per the
following table.
System Voltage
Current Compensation
12 Volt
-20 mV per amp of load
24 Volt
-40 mV per amp of load
Table 4-3. Current Compensation Values
LVD Warning:
As the battery discharges, the Battery Status LEDs will
transition from green to yellow and then from yellow to
flashing red. The flashing red indication is a warning that a
low voltage disconnect (LVD) event will occur soon.
