Specialty Concepts PPC - Manual (Page 4)

I N S T A L L A T I O N
WARNINGS / CAUTIONS
WARNING : Electricity, even low voltage electricity, can be dangerous. Installation should be
performed by a licensed electrical contractor or other qualified personnel only. It is
recommended that the requirements of the U.S. National Electrical Code be followed.
WARNING : Follow all battery safety precautions of the battery manufacturer and the National
Electrical Code. Proper ventilation must be provided for vented batteries. Most vented
batteries produce hydrogen gas when charging, which is extremely explosive. DO NOT
expose the battery to open flame, matches, cigarettes or sparks.
WARNING: Install properly DC rated, high interrupt, current limiting over-current protection and
disconnect equipment between the PPC and the battery. Suitable fused disconnect switches
are low cost and provide protection from fire and damage due to over current. Refer to the
current National Electrical Code or your local alternative energy vendor for recommendations.
CAUTION : DO NOT subject the controller to voltages greater than the "Array Voltage, Max Voc"
as stated in the Specifications section. This is the open circuit voltage (Voc) of the array, or
the sum of the open circuit voltages of all modules connected in series.
CAUTION : DO NOT exceed the maximum current rating ("Charge Current, Max") of 30 amps (or
50 amps with P-Option). This is the sum of the maximum power currents of all the modules in
parallel.
CAUTION : On higher voltage units (36, 48 volt), exercise extreme care during installation. These
voltages can be extremely dangerous in that they can create large arcs, which can burn or
cause other injuries.