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TrakMax 30L User Manual
Revision 1.0
CAUTION: Risk of Fire and Shock
Connect battery terminals prior to the connection of array terminals.
3.5 O
VERCURRENT
Circuit breakers or fuses must be installed in both the battery and solar circuits. The protection device ratings
and installation methods must conform to NEC requirements.
The battery circuit fuses or circuit breaker must be rated to 125% of the maximum current or more. The
minimum fuse/breaker rating allowed for use with each TrakMax is 1.25 x 30 Amps = 37 Amps.
If the TrakMax controller system detects an overload status, it will automatically reset the over current protection
system every 6 minutes. If the fault is still present, the controller will shut off and wait for another 6 minutes. This
will occur continuously until the problem is corrected.
A disconnect is required for the battery and solar circuits to provide a means for removing power from the
TrakMax. Double pole switches or breakers are convenient for disconnecting both solar and battery conductors
simultaneously.
3.6 O
VERVOLTAGE
The TrakMax is fully protected against reverse polarity and high voltage transients for both the PV and the
battery connections. If the battery is connected in the reverse polarity position, the TrakMax inner fuse will open.
If the PV array is connected in the reverse polarity position, the TrakMax will not turn on.
3.7 P
C
ARALLEL
ONNECTION
Multiple TrakMax controllers can be installed in parallel on the same battery bank to achieve higher charging
current. For example, connecting two TrakMax units in parallel can allow for 60 amps of charging current, and
connecting three TrakMax units in parallel can allow for up to 90 amps of charging current. Additional parallel
controllers can also be added in the future. Each TrakMax MPPT Controller must have its own PV array. See
figure below
3.8 T
EMPERATURE
The charge voltage required by batteries changes with battery temperature. Temperature compensation of the
charge voltage enhances battery performance and life, and decreases battery maintenance.
The TrakMax has dual temperature sensors to detect environmental changes to the battery location as well as
detecting excessive battery temperatures that can be harmful to the battery.
Page 11 of 29
P
ROTECTION
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OLARITY
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ROTECTION
05/06/2015
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