C. PDS23 series Solar Pump Controller
D. Pump and Motor
E. Water Source Level Switches (optional)
F. Tank Level Switches (optional)
The PDS23 solar pump controller runs at variable speed while match the changing
power provided by the solar array. Variable speed operation means there is no
in-rush or surge of energy during the pump/motor start-up, helping to eliminate wear
on the motor and pumping system.
Pump Check Valve Requirements
Notice: In order to ensure maximum system reliability and water delivery, check
valves must be installed in the drop pipe. The first check valve must be installed at
the pump and additional check valves should be installed every 30m (100 ft) of
vertical pipe after the pump.
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