Introduction
10 975-0004-01-02 Rev D
Load Controller
The C-Series controller can operate as a Low Voltage
Disconnect (LVD) for DC loads to prevent over-discharge to
batteries during periods of poor charging or excessive loads.
The C-Series controller uses the user-adjustable setpoints to
determine when to disconnect or reconnect loads depending
on battery voltage.
When used as a DC load controller, the settings of the LVR
and LVD are controlled by two rotary potentiometers (also
called pots) on the circuit board.
The scale on the adjustment potentiometers differ from the
scale used for other functions. A decal with the appropriate
adjustment scale is included with the C-Series. To apply the
decal, gently pull off the knobs of the potentiometers and
place this decal on the circuit board. After the decal is in
place, replace the knobs. The EQ jumper determines manual
Important:
If PV arrays are used with diversion control, it
may be necessary to install diodes to prevent night-time
back-feed. If in doubt, contact or consult with your local
renewable energy expert.
Important:
If using multiple RE sources, use diodes/isolation
to prevent backfeed.
CAUTION: Damage to Batteries
Current draw of the diversion load is very important. Problems may
arise from operating with a load that is too small or too large. A
diversion load that is too small will not be able to absorb all the
excess power from the current source once the batteries are full
allowing batteries to overcharge.
Diversion loads in excess of the controller’s rating are capable of
absorbing more power than the C-Series controller is designed to
handle, resulting in an over-current shut down. During this time, the
unit will not regulate electrical flow in the system and battery
damage may result.
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