Setup
©
2017 Sensata Technologies
Page 37
Battery AmpHrs
Capacity
Suggested
Absorb Time
Battery AmpHrs
Capacity
Suggested
Absorb Time
200 to 300
60 minutes
1310 to 1500
240 minutes
310 to 500
90 minutes
1510 to 1700
270 minutes
510 to 700
120 minutes
1710 to 1900
300 minutes
710 to 900
150 minutes
1910 to 2100
330 minutes
910 to 1100
180 minutes
2110 to 2300
360 minutes
1110 to 1300
210 minutes
2310 to 2500
390 minutes
Table 3-2, Battery Amp/Hrs Capacity to Suggested Absorb Time
□
EQ Volts
– Sets the level at which the charging voltage is held constant during an
Equalization cycle.
Note:
Cannot be set lower than the
Absorb Volts
setting, or more than 2
volts (12v systems), 4 volts (24v), or 8 volts (48v) above the Absorb Volts setting.
Default:
15.6 Volts (12v),
31.2 Volts (24v), 62.4 Volts (48v)
Range:
12.0-16.0 Volts (12v)
,
24.0-32.0 Volts, 48.0-64.0 Volts (48v)
□
EQ Time
– Sets the time (duration) the battery charges at the
EQ Volts setting.
Default:
4.0 Hrs
Range:
0.1-25.5 Hrs
Info:
The timer for the
EQ Time
setting (
SETUP: 03C Battery Type/Custom
menu):
a) Counts when EQ is enabled and the voltage is close to the
EQ Volts
setting (
≥
0.1v/12-
volt systems,
≥
0.2v/24-volt systems, or
≥
0.4v/48-volt systems).
b) Pauses when in Charger Standby.
c) Clears when EQ is
fi
nished, battery goes to Bulk/Absorb or Float, or EQ is stopped.
• 03D
Absorb
Done:
This setting identi
fi
es whether time, amps, or SOC are used to determine
when the Absorption charge stage is
fi
nished and transitions to the
fi
nal charge stage (see
03F
Final Charge Stage
) afterwards. Absorption is the second stage of the battery charge process
that attempts to fully charge the batteries.
Note:
If “CC/CV Controlled” displays on this menu’s screen, you will not be able to adjust the
settings as “CC/CV” has been selected as the battery type from the 03C Battery Type menu.
Default:
Absorb Done Time
CAUTION:
If the Absorption stage is short or terminated, the batteries may not receive
a full charge. In contrast, if the Absorption stage is too long the batteries may be
overcharged. Either scenario may lead to damage to the batteries. Contact your battery
manufacturer to ensure the best charge settings are used for your type of batteries.
◊
Set Absorb Done Time
–
Set Absorb Done Time
is used when a speci
fi
c time is determined
to be the best solution for ending the Absorption stage. When using time, the battery bank size
typically determines the length of the
Absorb Done Time
setting. The larger the battery bank,
the longer the absorb time needed to ensure a full charge to the batteries. Taking speci
fi
c
gravity readings of the batteries and adjusting the absorb time may be needed in order to
obtain the appropriate absorb time for your battery type and battery bank size. Use Table 3-2
to select the
Absorb Done Time
setting based on the amp-hr capacity of your battery bank.
Default setting:
Absorb Done Time = 2.0 Hrs
Range:
0.1-25.5 Hrs
Info:
Range of the
Absorb Done Time
setting is dependent on the inverter’s compatibility
level. With a compatibility level of
≥
4.0, the available range is 0.1-25.5 hrs. However,
if the compatibility level is less than 4.0, even though you can adjust the setting from
0.1-25.5 hours, the available range may not be recognized by the inverter, and causes
the charger to revert to the default setting of 2.0 hours. See Appendix B for more info.
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