Li Time 3000W Pure Sine Wave Power Inverter

Important Safety Instructions

Please read the following safety instructions carefully and perform installation and connection operations under the guidance of professionals. This manual contains important safety, installation, and operating instructions for the inverter.

General

• Read all the instructions and cautions in the manual before the installation.
• There are no user-serviceable parts inside this product. DO NOT disassemble or attempt to repair the inverter.
• ONLY 12V Battery Banks are suitable for the inverters.
• The product is used with a permanent power source (battery). Input and/or output terminals may still be dangerously energized, even when the product is switched off. ALWAYS make sure the inverter is in the OFF position and disconnect all AC and DC connections before carrying out maintenance or servicing the product.
• Consult the battery manufacturer's information to ensure that the product is intended for use with the battery. Carefully check the specific requirements of the batteries used in the system and always follow the battery manufacturer's safety instructions.
• Never use the product where there is a risk of gas or dust explosions.

Installation

• It is recommended that the DC and AC input cables be fused and fitted with circuit breakers.
• Before applying power, ensure that the available power source matches the product configuration settings described in the manual.
• The product should be installed in a well-ventilated, cool, and dry environment. Make sure there is adequate ventilation space around the product and check that the vents are not blocked.
• After installation, check whether all wiring connections are tight and reliable to avoid the danger of heat accumulation due to loose connections.

If you have any questions or need any help, please feel free to contact Li Time at service@litime.com, they will offer phone or email support in 12 hours.

Product Overview

LiTime 3000W Pure Sine Wave Inverter

The inverter has dimensions of 18.31" [465mm] (L) x 7.40" [188mm] (W) x 3.94" [100mm] (H). It features fixed mounting points with included screws.

Additional Components

Additional components are included in the package:

Content

Inverter Parts

• Identification of Parts
• LCD Screen

Installation

• Choosing Location
• Sizing a Battery Bank
• Connecting to a Battery Bank
• Connecting to Devices

Specifications

Troubleshooting

Inverter Parts

Identification of Parts

AC Side

1. High Output AC Terminals (30A)
2. Ground Terminal
3. AC Outlets (110-120V AC, 60Hz)
4. USB Output (5V DC, 2.4A)
5. LED Indicators
6. ON/OFF Switch
7. Remote Control Port

DC Side

1. Cooling Fans
2. Positive Terminal
3. Negative Terminal

Note: L: Live; N: Neutral; G: Ground. These terminals are for connecting 115V AC devices that require more than 20 amps to operate or for connection to distributed wiring that has multiple AC outlets. Any AC output wiring that is directly connected must comply with US National Electric Code (NEC) wiring gauge recommendations.

LCD Screen

The LCD screen displays:

• 1. DC Input Voltage: e.g., BT: 16.1V
• 2. Temperature: e.g., T:25°C
• 3. Battery Remaining Capacity: Displayed as a battery icon.
• 4. Frequency: e.g., 60Hz
• 5. AC Output Voltage: e.g., AC: 00V
• 6. Error Code: Displays fault codes if any.
• 7. Output Power: e.g., P:0000W. The screen accurately displays output power greater than 300W, while displaying "P:000W" for power less than 300W.
• 8. Output Waveform: Displays the output waveform.

Installation

The product should be installed by a qualified electrician. Make sure the inverter is in the OFF position before connecting anything.

Choosing Location

• Ensure the installation complies with the following guidelines:
• In a well-ventilated, cool, and dry environment. The product must be installed in an area protected from direct sunlight, high temperatures, and water. Make sure there is sufficient room for wiring and ventilation clearance from the DC and AC sides of the product. Clearance should be at least 10 inches [25cm].
• As close to the battery as possible to minimize cable voltage loss and choose a proper wire size to connect the product and battery.
• Securely placed or mounted. This product can be stand-alone, or wall-mounted both horizontally and vertically. Horizontal mounting is preferred for optimum cooling. Never place the inverter vertically on a vertical surface since this could block the fan opening, which is essential for the inverter's cooling.

Sizing a Battery Bank

The selection of the battery bank can be calculated to reach a suitable conclusion. Data to be confirmed includes:

• The rated power (W) of the load to be run.
• Expected runtime (Hrs) of the load.
• The nominal voltage of the selected battery type and voltage.

Reference Calculation Formula:

• Energy (Wh) = Load Power (W) * Runtime (Hrs) / Inverter Efficiency®
• Capacity (Ah) = Energy (Wh) / Battery Nominal Voltage (V)

Note: Inverter Efficiency is the ratio of Inverter Output Power to Inverter Input Power. 85% is the usual conversion efficiency of the product under normal conditions. The rated power (W) of the load should be less than the continuous power supported by the inverter (3000W for this product).

For Li Time lithium batteries and this inverter, the battery bank will be 12 volts direct current (12 VDC) with 12.8V nominal voltage.

Example: For 1000W loads with 3Hrs runtime/day using a 12.8V lithium battery: 1000W*3Hrs/85% ≈ 3529Wh; 3529Wh/12.8V ≈ 276Ah. To use the 1000W load(s) for 3 hours per day, at least a 12V (12.8V) 276Ah lithium battery should be selected on an everyday battery fully charged basis.

If there are different requirements for the time to fully charge the battery, the calculation method will be more complicated. Please feel free to contact Li Time at service@litime.com for a free recommendation of a customized solution.

Connecting to A Battery Bank

• This product is ONLY suitable for a 12V battery bank. Failure to comply with the proper DC voltage will cause irreversible damage to the product.
• Avoid direct contact between the terminals of the positive and negative wires connected to the battery, and do not reverse the positive and negative connections. Damage to the Li Time inverter and battery due to reverse polarity is NOT covered by warranty.

Step 1: Connect the included wires to the battery terminals.

[Image of connecting wires to battery terminals]

Step 2: Make sure the ON/OFF switch is in the OFF position.

[Image of inverter with ON/OFF switch]

Step 3: Remove the protective caps and covers on the terminals, and unscrew the parts connected to the bolts.

[Image of removing terminal covers]

Step 4: Attach the wire lug and parts to the bolts in the following sequence: Wire Lug ➡ Flat Gasket ➡ Spring Gasket ➡ Nut. Use a torque wrench to tighten the nuts to the bolts under the 7 N·m to 9 N·m setting to connect the wires to the inverter. (+ to +, - to -).

[Image of attaching wire lugs to terminals]

Step 5: Put on the protective covers and screw on the protective caps.

[Image of replacing terminal covers]

Step 6: Turn ON the inverter power. The monitoring screen will light up assuming proper battery connection, and the inverter is now ready for use.

[Image of inverter powered on]

Connecting to Devices

• Make sure the inverter is in the OFF position before connecting loads (electronic devices) to the AC outlets.
• Avoid switching on the inverter with the load already turned on. This may trigger an overload since some electronic devices have an initial high power surge to start.
• Be sure to turn off all loads first before switching off the inverter. Even if the inverter is turned off, the capacitors will still have a charge, so the DC and AC terminals must be disconnected if altering the circuitry.

Specifications

Troubleshooting

If the inverter stops working due to lithium battery over-discharge protection, charge the battery and restart the inverter to resume power.

If the problem cannot be resolved or you need any help, please contact Li Time at service@litime.com.