CINDER 40 PWM Charge Controller User Manual
Zamp Solar
Load Output Circuit Details
Description
The load terminals give a user-controlled, 20-amp, fuse protected output circuit that
discharges from the battery. The Zamp Solar app allows you to turn your load on/off as well as
monitor the load output at all times so you can see how much power is being used by your
attached electronics.
The load terminals will automatically turn off when the CINDER 40 senses that your battery
system has dropped below the “Load Disconnect Voltage” to protect your battery from
discharging too far (see the
for more information on the “Load Disconnect
Voltage”)
IMPORTANT: The load voltage matches the battery voltage. Ensure that your electronics
match your battery voltage. i.e. DO NOT connect 12-volt electronics to the load if your battery
voltage is 24-volt.
Examples
The best use of the Load is to connect LED lighting to these terminals so that you can turn
on/off your lighting with the Zamp Solar App.
These terminals could also be run to a DC fuse block to run other devices such as LED light
bars, fans, USB chargers, refrigerators, heaters, small water pumps and other battery driven
devices. Ensure that the total current of your loads does not exceed 20-amps.
IMPORTANT: It is very important that you do NOT connect your inverter to these terminals.
Inverters require significant start up current that can cause damage to the device.
Keep in mind that the circuit can only handle 20 amps at one time. If you have a device that
should never turn off regardless of the battery voltage, connect this device directly to the
battery instead of through the load circuit.
Load Wiring Recommendations
Please see the chart below for information on recommended wire gauge size for the load
terminals. Please note that these recommendations assume that the wires connected are
carrying the full 20A load output and keeping the voltage drop below 5%. Note: it is
recommended to use larger wire as there will be less power loss in the wires.
Table 3: Load Wiring Recommendations (for a Maximum 20-amp Load Current)
Length of Wire Run
Wire Size to Use
5 Ft
10 AWG or larger
10 Ft
10 AWG or larger
15 Ft
10 AWG or larger
20 Ft
8 AWG or larger
25 Ft and greater
8 AWG or larger
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