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Summary of Contents for iTechworld 40Amp MPPT
- Page 1 12/24V 40Amp MPPT Solar Charge Controller USER GUIDE...
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Page 2: Table Of Contents
Contents 1.Saftey Precautions ........... - 2 - 2. Product Overview ........... - 5 - 2.1. Introduction: ................- 5 - 2.2 Key Features:................- 5 - 2.3 Product Appearance ..............- 6 - 3. Installation ............- 7 - 3.1 Wiring the solar charge controller ..........- 8 - 3.2 Fuse Specifications .............. -
Page 3: Saftey Precautions
Failure to follow these instructions may result in damage to the unit and could also result in death or serious injury. Disclaimer: While iTechworld has taken every precaution to ensure the accuracy of the contents of this user guide, iTechworld assumes no responsibility for any errors or omissions. - Page 4 SAFETY PRECAUTIONS WARNING: People with physical disabilities, visual, sensory, or mental impairments (including children) should not use this device. Children should be supervised to ensure they do not play with battery chargers. DANGER: Do not disassemble or modify the solar charge controller, doing so may result in a risk of electrical shock, fire, death, or serious injury.
- Page 5 DANGER: Never smoke or allow a spark or flame in vicinity of battery or engine. This may cause the battery to explode LIMITATIONS OF USE: Do not use in connection with life support systems or other medical equipment or devices. - 4 -...
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Page 6: Product Overview
2. Product Overview 2.1. Introduction: The iTechworld 40 Amp MPPT Solar Charge Controller is designed to enhance any solar and battery combination, it works especially well with the iTECH120X lithium battery and iTechworld solar panels. This controller and its charging algorithm are patented by iTechworld. -
Page 7: Product Appearance
2.3 Product Appearance Figure 1 Solar Controller Features LCD Screen External Temperature Probe Solar Input Terminals Battery Connection Terminals Load Output Terminals Button A Button B - 6 -... -
Page 8: Installation
3. Installation The iTechworld 40 Amp MPPT Solar Charge Controller should be installed as close as possible to the battery being charged, this allows for more efficient charging of your battery. The solar charge controller is best mounted vertically with 4 screws (Not included) there are cut outs on the heatsink of the charger where the screws are hooked on. -
Page 9: Wiring The Solar Charge Controller
3.1 Wiring the solar charge controller Figure 3 Connection Diagram When wiring the solar charge controller, please use flexible, multi-stranded copper wire, with a current rating of at least 50Amps. Connect your components to the solar charge controller in the sequence as shown in figure 3(1,2,3) and make sure the polarity is correctly connected. -
Page 10: Fuse Specifications
3.2 Fuse Specifications All recommended fuses should be connected in series in circuit, and as close as possible to power sources. Bolt down fuses is preferred as they ensure a low resistance connection. Blade type fuses are not recommended as they can result in Figure 4 Bolt Down Fuse Holder a high resistance connection which can cause excess heat generation... -
Page 11: Unit Operation
4. Unit Operation Solar Controller Status Item Icon Status Night Array Figure 5 Display Icons Charging Battery State of Charge Battery Lithium Battery Type Load Boot Sequence Battery System Controller Rated Software Revision Initial Boot Screen Voltage Charge Current Figure 6 Boot Sequence 4.1 Menu Navigation Figure 7 Main Navigation Flow Chart After the controller is powered on, the display will enter the main navigation flow... -
Page 12: Settings Menu
4.2 Settings Menu Figure 8 Settings Flow Chart To enter the settings menu of the solar charge controller, on the Home Screen, press and hold button A for more than 3 seconds then using buttons, A or B to scroll thorough the values. To alter the parameter, refer to “Changing Parameters” 4.3 Changing Parameters: Figure 9 Changing Parameters To change user changeable parameters, press and hold button A until the... -
Page 13: Battery Selection Menu
4.4 Battery Selection Menu: Figure 10 Battery Selection Flow Chart To change the battery charging profile, on the home screen, press and hold button A for more than 3 seconds to access the settings Menu, then short press button B until you are on the Battery Type (refer to Settings Men u), once on the Battery Type menu, press and hold button A for more than 3 seconds to access the Battery Selection Menu. -
Page 14: Lithium Battery Profiles (4-3.2, 5-3.2, 3-3.7, 4-3.7, Usr2)
B for more than 3 seconds to save the selection. NOTE: When using any of iTechworld’s lithium batteries, such as the iTECH120X, please ensure ONLY the 4-3.2 (Lithium Battery, 3.2V/Cell, 4 in series) lithium profile is selected. -
Page 15: Load Control
4.6 Load Control: Figure 12 Load Control 4.6.1 Manually Controlling the load On the Home Screen, short pressing button B will turn on or off the load as denoted by the light bulb symbol with rays coming out or off. 4.6.2 Load Control Modes Mode Function Description... - Page 16 Dual Time Mode Load Control Mode LD3 Night duration of Load On, (1-13Hrs) Debug Switch Day duration of Load On, (Not Used, leave as is) (0-5Hrs) Figure 13 Dual Time Mode Flow Chart LD3 Dual Time Control Mode: The controller will turn on the load automatically for the set amount of time during night and day, it will then turn the load off after the elapsed time.
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Page 17: Solar Input Voltage
4.7 Solar Input Voltage Figure 14 Solar Input Voltage To toggle between the Solar Input Voltage and Battery Voltage, on the Home Screen, press and hold Button B for more than 3 seconds. 4.8 Setting equalisation charging voltage and duration (Only adjustable on the Usr 1 battery charging profile) Figure 15 Equalisation Voltage Settings Navigate to the Equalisation Voltage screen (refer to Figure 8), then press and... -
Page 18: Setting Absorption Charging Voltage And Duration
4.9 Setting Absorption Charging Voltage and Duration (Only adjustable on Usr1 battery charging profile) Navigate to the Absorption Voltage screen (refer to figure 8), then press and hold Button A for more than 3 seconds until the value starts to flash, then using buttons A or B to increase or decrease the Absorption Voltage, once the desired voltage is set, press, and hold Button A for more than 3 seconds to advance to the duration setting, once again use Buttons A or B to adjust. -
Page 19: Troubleshooting
5. Troubleshooting Fault Code/Symptom Cause Correction Solar Charge controller is 1. Solar input is 1. Check that all solar input not charging battery when disconnected connections and there is enough sunlight 2. Solar input voltage is fuses/breakers are correct. lower than the battery 2. -
Page 20: Specifications
6. Specifications 6.1 Operating Parameters Input System Rated Voltage 12/24VDC Auto sensing Max Open Voltage of 100VDC (at the lowest temperature) Solar Panel 92VDC (at standard temp of 25°C) Max Solar Input Power 12VDC System 520W 24VDC System 1040W Battery Voltage Range 8V DC –... -
Page 21: Protections
14.4 13.8 13.2 14.8 (4-3.7) Usr2 13.6(E) 14.4(E) 14.2 14.2 13.8 10.8 12.6 NOTE: Values with (E) next to them indicates user adjustable values. For iTechworld Lithium Batteries, please use LiFePO4(4-3.2) only, please refer to section 4.4.1. - 20 -... -
Page 22: Maintenance And Warranty
12 months from the date of purchase. This warranty will be considered void if the unit has been misused, altered, or accidentally damaged. iTechworld will not be liable for any amount of damage in excess of the retail purchase price of the unit under any circumstances. Incidental and consequential damages are specifically excluded from coverage under this warranty. - Page 23 If such a unit is returned within the warranty period, iTechworld will repair the unit or, at its discretion, replace it, free of charge. If the unit is repaired, new or reconditioned replacement parts may be used, at the manufacturer’s discretion.
- Page 24 Contact iTechworld 281 Great Eastern Hwy Burswood WA 6100 Phone: 1300 483 249 Website: www.itechworld.com.au E-Mail: service@itechworld.com.au...
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