Solar Controllers Knowledge

Wellsee solar controller WS-C2415 USER’S MANUAL

Written by Raina Xiao Tuesday, 13 July 2010 14:32

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 Thank you for purchasing our WELLSEE solar controller. Please read these instructions before use.

Our controller named as follow:

WS –C 24 15
|    |  |  | 

|    |  |  |________15: maximum current (A), 15= 15A
|    |  |__________ 24: system voltage (V), 24 =24V/12V automatic recognition
|    |_____________ C: solar universal controller
|________________WS= WELLSEE brand

Function：

 

According to the voltage of the battery, the controller can adjust the charging current and decide whether to supply power to the loads.

1. 1.      Always keep the battery on full voltage condition.
2. 2.      Prevent the battery from over-charging.
3. 3.      Prevent the battery from over-discharging.
4. 4.      Prevent the battery from reverse charging to solar panels during nights.
5. 5.      Choose the suitable Wire Diameter according to the current, Please refer to the technical Index for details.
6. 6.      The solution for the controller can't charged because of the low voltage of battery : please remove the load first, press the bottom RESET to make the controller will reture to work, then charge the battery, in the last place,you can connect the load again.
7. 7.      If there is some problem with charging the battery, you should increse the power of panel or change the battery

 

 

Connection：

 

 

 

 As indicated in diagram:

1. Connect “+” and “-“poles of the solar panels with the correct terminals on the controller (the first and second from the left).
2. Connect”+” and “-“poles of the battery with the correct terminals on the controller (the third and fourth from the left).
3. Connect “+” and “-“poles of the load with the correct terminals on the controller (the fifth and sixth from the left).

 

Indicator light：

 

There are 3 red LEDs indicate the voltage level of the battery: a red charging indicator light (CHARGE), a green load indicator light (LIGHT), and a battery power indicator light (BATTERY). The battery is full when all 3 LEDs are on. When 1 or 2 LEDs are on, it means the battery is on the low level; in this case the loads may not work normally. As the voltage of the battery reaches 12.6V, the loads will start working automatically.

1. The battery is strongly charged when CHARGE is on. The battery is floating charged when this LED is flickering, and the battery has stopped charging when the LED is off.
2. When LIGHT is on, it means the load can work; when it’s off, it means the load can not work.
3. When BATTERY is red means the battery is under voltage, green means the battery is full and orange means the battery is under normal situation.

 

Notice：

 

1. Please check the rated voltage of solar panels, battery, and load before connecting. Make sure their rated voltage should be all 12v (or 24v).
2. Pay more attention to “+” and “-“poles of solar panels, battery, controller and loads during the process of connection.
3. The rated current of solar panels and loads must be lower than the controller.

 

Technical Index:

 

Model	WS-C2415 6A	WS-C2415 10A	WS-C2415 15A
Rated Voltage	12V/24V   Automatic voltage recognition
Max Load current	6A	10A	15A
Input current range	12V～17V/24V～34V
Length≤1m  Charge loop drop	＜0.25V
Length≤1m Discharge loop drop	＜0.05V
Over voltage protection	17V/34V
Full charge cut	13.7V/27.4V
Low voltage cut	10.5~11V/21V~22V
Temperature compensation	-3mv/℃/cell
No load loss	≤10mA
Max wire area	2.5mm2
Ambient temperature	-25℃——55℃

 

 

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