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Auto Sweep MPPT Mode (see page 46) seeks the solar
array’s maximum available voltage to recharge the
batteries. The MX60 is best left in this default mode for
most recharging purposes. If the output current is below
ve amps (e.g., overcast day or early mornings and late
evenings), the MX60 will operate at the percentage of
the Voc shown on the Park Mpp (Maximum Power Point)
screen. The 77% VOC default is close to the MPP for most
arrays. A higher value may be necessary for di erent ap-
plications such as a 12 VDC array to a 12 VDC battery. To
change the percentage of VOC press either the <-VOC>
or <+VOC> soft key. Press the <NEXT> soft key to view
the next ADVANCED Menu screen.
The Mpp Range Limit % Voc adjusts the upper Mpp limit of
the VOC. The default MX60 MPP voltage limit is set at 90%
of the VOC and is normally left alone for an array. If an
MX60 sweep nds an MPP voltage outside of this range,
it will revert to the Park Mpp value. Setting to 1/2 reduces
the initial sweep time on a high input voltage array.
The MPP adjustable MX60 limits are 80%, 85%, 90%, and
99% of the VOC. The min range limit setting may be set
to FUL if something other than a PV array is connected to
the input of the MX60, such as a Micro-Hydro generator
(see page 54), but the Voc cannot exceed 150 VDC at any
time. Press the <min> or <max> soft key to adjust the
MPP range limit. When done, press the <NEXT> soft key
to view the Sweep Interval screen.
Use ½ value for high input arrays
to speed up initial sweep.
ADVANCED MENU
Park Mpp
77 % Voc
EXIT NEXT -Voc +Voc
ADVANCED MENU
Mpp Range Limit %Voc
min max
EXIT NEXT 1/2 90%