Sun Pumps PCA-30M1D - Manual (Page 9)

1. After mounting the controller, switch the controller to the OFF position.
2. Connect ground rod conductor to the controller chassis ground block.
3. Connect solar module frame ground conductor to controller chassis ground block.
4. Connect the green pump ground conductor to controller chassis ground block.
5. Connect pump motor leads to the corresponding “Pump” terminals on the controller. Red to LD+, and
black to LD-.
6. Verify that the disconnect switch, if used, is in the off position or one of the PV array wires is
disconnected. Connect the DC source supply negative (-), the black conductor, to one of the controller
terminals labeled “PV-” on the “Solar Array Input”.
(NOTE: The solar array should be disconnected before connecting power to the controller.
7. Refer to the next section for “Remote Switch” connections as well as “Adjustment Procedures” for
configuration, if applicable.
8. At this point, all system components are installed and wired, double check conductor polarities, wire
termination tightness and controller configuration. With a DC volt meter check the array open circuit
voltage (Voc) on the array side of the disconnect switch and the module polarity. Record the Voc for
future reference. You may do this on the Before Calling Sun Pumps Worksheet near the end of this
manual. The Open Circuit Voltage reading should not be over 45 volts.
9. Adjust the dip switches for the proper solar module arrangement or battery system you have. Switch one is
for a single 12-17 volt solar module, switch two is for a 24 volt battery system and switch three is for a 30
volt panel direct system This could be two 12-17 volt solar module wired in series or a single 24 -34volt
solar module.
10. After you have verified the voltage and polarity, switch the disconnect switch on - if the polarity is correct
the first LED light will be on.
11. Turn the “On/Off “switch to the ON position. The system should be operational. If the system does not
start and turns on any error lights, proceed to the troubleshooting guide.
For CE Compliance
Appropriate watertight cable glands must be used to keep the controller sealed. Only one
power wire may be attached to each terminal block screw. Wires may not be doubled up
except for signal and control wires. Wiring must conform to HO7RN-F specifications and
must be installed in accordance with all national and local regulations.
PE ground wires must be Green/Yellow with a color ratio of 50/50, not less than 70/30, and
must be of a size equal to or larger than the pump primary wire. All stranded PE ground wires
connected to the controller case must use a crimped ferrule over the wire for protection from
the set-screw.