Ldsolar Tracer Dream TD2210, Tracer Dream TD2410 User Manual

Tracer Dream TD2210/TD2410

User’s manual of MPPT solar charge
controller

Max PV input Voltage 100V

12V/24V 20A 40A

Dear Users:
Thank you for selecting our product. Please read this manual
carefully before you use this product.

Thank you for choosing MPPT solar charge controller. This series product
adopts positive design with LCD displaying. Based on advanced MPPT technology
which track the maximum power point of PV array accurately and quickly under any
environment, MPPT solar charge controller can constantly obtain Max power from
solar panel, thus increasing the charging efficiency of solar panel. It can be used for
communication system, off-grid solar system, solar street light system and field
monitoring and so on. Excellent digital protect function and professional connector

can avoid damage, due to system fault or installation error, in maximum degree.

Features:

 Advanced MPPT technology, can rapidly and steadily track the Maximum

Power Point, tracking accuracy is 99.5%

 Adopt Synchronous Rectifier Technology, (dramatically) improving the

transfer efficiency of circuit, maximum 98%.

 Accurate identification and tracking multi peak power point function

 PV array limited power input function, ensuring that the controller does not

overload operation under any conditions.

 Widely voltage range of PV array Maximum Power Point, Max PV input

Voltage to 100V

 12/24VDC system voltage automatic recognition

 Humanized LCD displaying, dynamic display operation data and working

state

 Built-in operation log, recording system working state

 Varied load control mode: Normal Mode, Sensor Mode, Timer and Sensor

Mode

 3 stages of charging mode. 3 types of battery, Sealed, Gel, and Flooded,

alternative charging procedure

 Temperature Compensation Function

 Function of accumulated charging and discharging power as well as real-time

display power generation.

 Fullest digital protection functions: Reverse connection, Overcharging,

Over-discharging, Over voltage, Overload, Short circuit.

 Unique 16mm2 connectors, red and black connectors distinguish positive and

negative poles

MPPT Technology Introduction

MPPT means Maximum Power Point Tracking. It is a more advanced solar
charging mode. According to the nonlinearity feature of solar panels, there is a
Maximum Power output Point(P

Max

）on its power curve, and this point under

changing light intensity and temperature. Using traditional PWM solar charge
controller, the voltage of solar panel will be clamped by battery, and the voltage can
not be maintained at P

Max

to charge the battery, which greatly reduce the utilization
rate of solar panels. MPPT solar charge controller adopts efficient DC-DC power
conversion technology, combining with advanced algorithm to track the MPP of
solar panels in (real time) to obtain Max power from solar panel for charging battery.
Compared with PWM controller, MPPT solar charge controller could increase the
energy utilization rate around 15%-30%.

The Vpp of solar panel used for 12 system is 17V. When the 12V battery is
charged by solar panel, the solar pane voltage will be clamped by battery as a result
of the constant current characteristic of solar panels. If the max charging current is
10A at this time, then the input power to the battery= 10A x 12V =120W, which not
yet completely achieve the maximum utilization rate of solar panels. However,
MPPT controller could constantly adjust the voltage and current of solar panels to
reach Max output power, and therefore the input power to the battery= 9A x 17V x

0.98(circuit exchange efficiency)=150W . It can be shown that the MPPT controller
could significantly improve the charging efficiency.

The MPPT point under changing light intensity and temperature of
environment. The MPPT controller could adjust the MPP timely according to
different conditions.

In practical application, if the solar panel has burnt cells or shadow effect, it may
led to the appearance of multi MPP, only one of which is actual MPP. As shown
below:

MPPT double peaks drawing
If the program handles improperly when multi MPP points appear, the solar system
would work in the wrong points rather than the actual MPP point. As a result, it
would waste the most of power from solar panel as well as seriously affect the
normal operation of solar system. Our company’s MPPT controller could accurately
track the actual MPP point in the double peaks or multi peaks state so as to improve
the utilization of solar array and avoid the waste of resources.

Important Safety Information

1 This controller is developed on the basis of the characteristic of solar panel. If using other

power supply instead of solar panel, the controller may work abnormally.

2

It is better to install controller indoor. If install the controller outside, please keep the

environment dry, avoid direct sunlight, and keep dustproof and waterproof.

3 The controller will be hot in the process of working. Please do not touch by

hand directly, keep the environment ventilated, and away from other heaters

and flammable.

4

Under the sunlight, the solar panel voltage will be very high (especially 24V/48V system).

Please avoid touching or terminal short circuit. Keep your hands dry, use insulating tool, and
stand on dry field when it need to be operated.

5 The battery has acidic electrolysis. Please put on goggles during installation. If you are

accidentally exposed to electrolysis, please rinse with water.

6

The battery has huge power. Forbid any conductor short circuit of the positive and negative

poles of battery. Suggest to adding a fuse between battery and controller. (Slow motion type,
and the action current of the fuse should be 1.5 times more than the rated current of the
controller)

7

Please install the controller in a place where children can not touch.

The suggestion of using

1

The controller could detect the environmental temperature to adjust the charging voltage.

Accordingly, the controller should be closed to battery as near as possible.

2 Recommend system current density of cables should be less than

3A/mm

2 .,

Unreasonable selection of cables will increase the system

consumption or even causing burning.

3

Try to use multi strand copper wire in order to connect with the

terminal more firmly. Loose power connection and/or corroded wires

may result in resistive connections that melt wire insulation, burn

surrounding materials or even cause fire.

4

Please keep the battery full charged frequently(one time each month at least), or the

battery will be destroyed.

5 This product has solar panel input limited power function, which means, theoretically, no

matter how much power i nput, the controller will limit the input power to operating under the
rated power. But please pay much attention to the following two points:



The short circuit of solar panel should be less than rated current of controller.

The lower the temperature, the higher the Open Circuit Voltage of solar panel. Please

ensure that in no case will the Open Circuit Voltage of solar panel array exceed 100V,
otherwise it will trigger protection or damage the controller.

Installation Instructions

 Controller Fixed

1) The controller should be installed in well-ventilated place. Avoid direct sunlight, high

temperature and place where water can easily enter the controller.

2) Please select correct screw to fix the controller on the wall or other platform. Screw M4 or

M5. Screw cap diameter should be less than 10mm.

3) Please reserve enough space between the wall and controller to allow for cooling and

cable connection.

4) The mounting holes distance of controller are 189mm*85mm，and the diameter of mounting

recess is 5mm。

5) The controller has aluminum fins for natural cooling, so we strongly

suggest hanging installation for better air flow cooling effect.

 Controller Connection



All terminals are in tight status after factory. In order to connect well,

please loose all terminals at first.

 Please do not change the following order of connection. The controller has battery voltage

auto selection function, so battery should be connected at first, otherwise it will cause
system voltage recognition fault.

 Before connection, please confirm the system voltage fit for your choosing controller, and

the open circuit of solar panel and maximum power are both at the using range of controller
as well.