ITECHWORLD 2420 Solar Blanket Kit User Manual

ITECHWORLD 2420 Solar Blanket Kit

Safety Instructions

1. Make sure your battery has enough voltage for the controller to recognize the battery type before first installation.
2. The battery cable should be as short as possible to minimize power loss.
3. This solar regulator is preset to suit lithium lon batteries. (Please set the controller to the correct battery type when using.)
4. The charge regulator is only suitable for regulating solar modules.Never connect another charging source to the charge regulator.
5. The controller will get hot when it is working, please install the controller on a smooth.well ventilated surface

Product Features

1. Built-in industrial micro controller.
2. LCD display with adjustable parameters.
3. Fully 3-stage PM charge management.
4. Built-in short-circuit protection, open-circuit protection, reverse protection, and over-load protection.
5. Dual mosfet reverse current protection,low heat production.

LCD Display/Key

menu:switch between different display, or to enter/exit setting by
long press. up: press to increase
value. down: press to decrease value.

System Connection

1. Connect your battery to the charge regulator positive+and negative-
2. Connect your solar panel to the solar input positive+ an negative-
3. Connect your load to the charge regulator positive+ and negative-
4. The reverse order applies when deinstalling!
5. An improper sequence order can damage the controller

Display/Setting

Attn:

1. Press the [down] button to on/off load manually at the main display
2. The work mode is working as below:
   • [24HILoad output 24 hours
   • [1-23H]Load on after sunset and closed after, setting hours

Trouble Shooting

Situation| | Solution
Charge icon is not on when sunny| The solar panel opened or reversed| Reconnect
Load icon off| Mode setting wrong| Set again
Battery low| Recharge
Load icon slow

flashing

| Over load| Reduce load watt
Load icon fast

flashing

| Short circuit

protection

| Auto reconnect
Power off| Battery too low/

Reverse

| Check battery/

Connection

Technical Parameter

Model| 2420| 2440
System Voltage| 12V/24VAUTO
Charge Current| 10A| 20A| 30A| 40A
Discharge Current| 10A| 20A| 30A| 40A
Max Solar Input| <50V
Default Battery Type| 1B3 (3.2V.4)(12V)(Lithium Lifepo4)
Float Charge| 14.4V (default, adjustable)
LVD| 10.4V (default, adjustable)
LVR| 11.6V (default,adjustable)
Battery Type| LifePo4| Gel
Code| 1b3| 2b3| 1b1| 2b1
Battery Charge| 12V| 24V| 12V| 24V
Float Charge| 14.4V| 28.8V| 13.?V| 27.4V
Discharge Cut-off voltage| 10.4V| 20.8V| 10.?V| 21.4V
Discharge Recovery voltage| 11.6V| 23.2V| 12.6V| 25.2V
Constant Voltage| 14.4V| 28.8V| 14.4V| 28.8V

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