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Configuring the Freedom SW using the SCP
by setting each charger’s “Max Charge Rate”% setting to deliver ½ of the
desired total battery bank charge rate of 100 A, i.e. In this example, each
charger “Max Charge Rate” should be set to at most “50%” therefore 50% x
(charger max capacity of 100 A) = 50 Amps actual max output, therefore
since we have two chargers 50 A + 50 A = 100 A which is the max bulk
current this battery bank can accept.
Example 2: The Freedom SW3012 includes a 150 A charger, when using
two stacked Freedom SW3012 inverter/chargers connected to the same bat-
tery bank, a total of 300 A of bulk charging is possible.
In a system composed of two stacked FSW3012’s. Industry commonly
accepted practice suggests, a typical Flooded battery bank of capacity (C)
400Amp-hours should not be charged at a rate in excess of 25% of “C” i.e.
25% x 400(Ah) = 100 Amps. Therefore, when configuring the two stacked
Freedom SW chargers, each charger must be limited to contributing max
50 A each into the common battery bank. This is accomplished by setting
each charger’s “Max Charge Rate”% setting to deliver ½ of the desired total
battery bank charge rate of 100 A. i.e. in this example, each charger “Max
Charge Rate” should be set to “33%” x (charger max capacity of 150 A) =
50 A actual max output, therefore 50 A + 50 A = 100 A which is the max
bulk current this battery bank can accept.
Example 3: The Freedom SW 3012 includes a 150 A charger, when using
two stacked Freedom SW3012 inverter/chargers connected to the same bat-
tery bank, a total of 300 A of bulk charging is possible.
In the above system composed of two stacked FSW3012’s. Industry
commonly accepted practice suggests, a typical Flooded battery bank of
capacity (C) 1000 Amp-hours should not be charged at a rate in excess of
25% of “C” i.e. 25% x 1000(Ah) = 250 Amps. Therefore, when configuring
the two stacked Freedom SW chargers, each charger must be limited to
contributing max 125 A each into the common battery bank. This is
accomplished by setting each charger’s “Max Charge Rate”% setting to
deliver ½ of the desired total battery bank charge rate of 250 A, i.e. in this
example, each charger “Max Charge Rate” should be set to “83%” x
(charger max capacity of 150 A) = 125 A actual max output, therefore
125 A + 125 A = 250 A which is the max bulk current this battery bank can
accept.
Example 4: The Freedom SW 3024 includes a 75 A(@24 V) charger, when
using two stacked Freedom SW3024 inverter/chargers connected to the
same battery bank, a total of 150 A(@24 V) of bulk charging is possible.
Industry commonly accepted practice suggests, a typical Flooded battery
bank of capacity (C) 600 Amp-hours (@ 24 V) should not be charged at a
rate in excess of 25% of “C” i.e. 25% x600(Ah) = 150 Amps (@24 V).
Therefore, when configuring the two stacked Freedom SW chargers, each
charger must be limited to contributing max 75 A (@24 V) into the com-
mon battery bank. This is accomplished by setting each charger’s “Max
Charge Rate”% setting to deliver ½ of the desired total battery bank charge
rate of 150 A
. i.e. in this example, each charger “Max Charge Rate” should
be set to “100%” x (75 A charger max capacity) = 75 A actual max output,
therefore 75 A + 75 A = 150 A which is the max bulk current this battery
bank can accept.
Changing Freedom SW Advanced Settings
Advanced Settings menu The advanced settings option gives you access
to the full range of Freedom SW settings, including everything displayed on
the basic menu. As a safeguard against unintended advanced configuration,
Freedom SW 3K2K InvChg Owners Guide.book Page 41 Wednesday, October 9, 2013 1:34 PM
