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When installing the PBR charge
regulator, locate or mount the unit in or near the battery
storage location. This will allow the charge regulator to
approximate the temperature of the battery system and ensures
that temperature compensation takes place.
Wiring Instructions
1. Ensure that the photovoltaic
array is properly wired to match the nominal operating voltage
of the regulator and battery system. Proper wiring diagrams
for PV module/array can be obtained from the manufacturer
or system designer. Identify the positive and negative leads
of the PV array prior to connecting the charge regulator.
2. Connect the battery leads
to the terminal blocks on the PBR charge regulator labeled
"Battery", also ensuring that the polarity of
the battery leads are matched to the polarity of the terminal
blocks.
3. Due to the regulator's very
high efficiency, it will be destroyed if hooked up improperly.
Connect the PV array input leads to the terminal blocks
on the PBR Charge Regulator labeled "PV Array",
ensuring that the polarity of the input leads are matched
to the polarity of the terminal blocks.
(positive to positive, negative to negative)
Note: the regulators are protected
if the battery connections are removed and the PV array remains
connected. (It will rapidly turn on and off without overheating)
Installation and Operation
Notes:
1. Bare wire connections under
the PBR charge regulator terminal blocks are acceptable. Mid-
to High-Current PBR models accept up to two #10 gauge bare
wire inputs under each terminal clamp.
2. When the battery voltage
reaches the pre-set maximum voltage level at a given temperature,
the PV module input will be shorted ("shunted")
to a value near zero volts. The battery voltage will gradually
drop back to a lower voltage, at which point the regulator
will release the PV input, and charging will resume.
3. There are no field adjustments.
The "Shunt" voltage level is factory set.
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