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(F1c) Float Time.
Controls time setting for float mode. Standard value set is 18 minutes. Settings are from
6 minutes to 6 hours. To reverse direction of scroll, release magnet and wait for LED to display F1c code.
Re-activate switch with magnet and release when desired value is indicated.
(AP) Amp Manager.
The Amp Manager function allows for precise reductions in the maximum allowable
field percentage, making it possible to reduce alternator horsepower load on belts, or to provide
governance to protect the alternator from abnormally large battery or system electrical loads. When
activated, the display will indicate OFF, meaning that no field reduction is occurring. To adjust, remove the
magnet until the AP code is indicated. Re-activate and hold the magnet to the RED dot. The display will
scroll downward until the desired value is indicated
BATTERY EQUALIZATION FUNCTION - (Use Extreme Caution While Equalizing!)
Depending on battery technology and battery manufacturer recommendations, it may be necessary to periodically apply
equalization/conditioning voltage to your batteries to reduce sulfation and equalize the specific gravity of the electrolyte
solution. While it is FAR preferable to equalize your batteries with your shorepower charger at the safety of your slip, the
MC-624 does provide the ability to equalize with the alternator and regulator. NOTE: Equalization voltage and duration
should be in accordance with battery manufacturer guidelines. Equalization programming must be done with the engine
running, as the equalization mode will occur as soon as the program adjustments are made.
WARNING: EQUALIZATION IS A MANUAL PROCESS WITH POTENTIAL DANGERS.
DO NOT LEAVE SYSTEM UNATTENDED.
(Ev) Equalization Voltage.
Sets the target voltage applied to the batteries during the equalization period.
Contact your battery manufacturer for voltage guidelines.
(E1c) Equalization Duration.
Controls the length of time the batteries will be held at equalization voltage.
Maximum time adjustment is three hours. If manufacturer guidelines require longer equalization times,
allow for maximum time, and reset for additional periods as required.
(FbA) Field Threshold - Bulk To Absorption.
Controls the criteria used to determine field output required
to maintain calculated bulk charging mode. Factory set at 65% field output. Raising “fba” shortens calculated
bulk charge time. Lowering “fba” increases calculated bulk charge time. Span of adjustment is 16% to 96%.
To reverse direction of scroll, release magnet and wait for LED to display “fba” code. Re-activate switch and
release when desired value is indicated.
(FFL) Field Threshold - Float To Absorption.
Controls the criteria used to determine the field current
threshold required to cycle between absorption and float charging modes. Factory set at 65%. Raising “ffl”
increases calculated float charge time. Adjusted in 1% increments. Span of adjustment is 16% to 96%. To
reverse direction of scroll, release “ffl” code. Reactivate switch with magnet and release when desired value
is indicated.
(AL1) Alternator Temperature Threshold.
Controls the setpoint at which point field current is reduced
when the the alternator temperature sensor indicates an over-temp condition at the alternator. Requires
temperature sensor installation. Preset at 108˚.
Default Program Settings By Battery Type
UFP
FdC
gEL
AGL
OPS
FsB
LFP
START DELAY (SECS.)
1
1
1
1
1
1
1
HIGH VOLTAGE LIMIT (VOLTS)
31.8
31.8
31.8
31.8
31.8
31.8
29.6
BULK VOLTAGE
28.2
29.1
28.0
28.6
29.2
28.8
28.6
BULK TIME (MINIMUM)
30 MIN
30 MIN
30 MIN
30 MIN
30 MIN
30 MIN
6 MIN
ABSORPTION VOLTS
27.6
28.8
27.5
28.3
28.8
28.5
27.2
ABSORPTION TIME (MINIMUM)
30 MIN
30 MIN
30 MIN
30 MIN
30 MIN
30 MIN
18 MIN
FLOAT VOLTS
27.0
26.6
27.2
26.3
26.7
26.6
26.6
FLOAT TIME (MINIMUM)
2 HRS
2 HRS
2 HRS
2 HRS
2 HRS
2 HRS
18 MIN
FLOAT TIME (MAXIMUM)
12 HRS
12 HRS
12 HRS
12 HRS
12 HRS
12 HRS
12 HRS
LOW VOLTAGE LIMIT (VOLTS)
25.0
25.0
24.2
24.8
25.0
25.0
25.4
MAX BAT. TEMP.
125°F/52°C 125°F/52°C 125°F/52°C 125°F/52°C 125°F/52°C 125°F/52°C 111°F/44°C
MAX ALT. TEMP.
225°F/107°C
225°F/107°C
225°F/107°C
225°F/107°C
225°F/107°C
225°F/107°C
194°F/90°C
BAT. TEMP. COMPENSATION
6.0mV/°C
6.0mV/°C
5.0mV/°C
3.8mV/°C
5.0mV/°C
6.0mV/°C
0.0mV/°C