MUST PV3300 TLV 1KW Solar Inverter User Manual

MUST PV3300 TLV 1KW Solar Inverter

The software supports installation on Windows systems. Scan the QR code for download or visit the website for downloading: https://sw.mustpower.com

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Appliances

WARNING!
This manual contains important instructions for all Inverter/Charger models that shall be followed during installation and maintenance of the inverter.

The following cases are not within the scope of warranty

1. Out of warranty.
2. Series number was changed or lost.
3. Battery capacity was declined or external damaged.
4. Inverter was damaged caused of transport shift, remissness, ect external factor
5. Inverter was damaged caused of irresistible natural disasters.
6. Not in accordance with the electrical power supply conditions or operate environment caused damage.

General Precautions
Before using it, read all instructions and markings: (1) inverter (2) battery (3) user manual

CAUTION:

1. To reduce risk of injury, charge only lead-acid rechargeable batteries. If customer use flooded batteries, batteries must be maintained regularly. Other battery types may cause damage and injury.
2. Do not expose it to rain, snow or any type liquids. Inverters are designed for indoor use.
3. Do not disassemble it. Take it to qualified service center when service or repair is needed.
4. To prevent the risk of electric shock, disconnect all wiring before attempting any maintenance or cleaning. Only turning off the unit will not reduce the risk.

WARNING:

1. Provide ventilation from the battery compartment to outdoors. The battery enclosure should be designed to prevent accumulation and concentration of hydrogen gas at the top of the compartment.
2. NEVER charge a frozen battery and connect such 12V/24V/48V batteries to inverter.
3. Input/output AC wiring mustn’t be less than 12AWG and not rated for 75 °C or higher. Battery cable mustn’t be rated for 75°C or higher and should be no less than 4AWG /6AWG gauge.
4. Pay special attention when working with metal tools around batteries. Batteries short-circuiting could cause an explosion.
5. Read the battery installation and maintenance instructions carefully before operating.

Personnel Precautions

1. Better to prepare plenty of fresh water and soap nearby in case battery acid contacts skin, clothing or eyes.
2. Avoid touching eyes while working near batteries.
3. NEVER smoke or allow a spark or flame near batteries.
4. Remove personal metal items such as rings, bracelets, necklaces, and watches when working with batteries. Batteries may provide heavy short-circuit current, which would be enough to make metal melt and causes severe burn.
5. If a remote or automatic generator start system is used, disable the automatic starting circuit or disconnect the generator to prevent accident during servicing

Introduction

This inverter is applicable to different markets demands, it matches different voltage AC 120V/240V, also can set output voltage, frequency, charging voltage, charging current, it’s available to work in split phase power environment.

Features

• Pure sine wave output
• Friendly user interface
• 3 Steps charging
• MFD (multi-function display)
• Overload and short-circuit protection
• Set charging voltage/charging current.
• Battery low voltage shutdown point can be set to 10/10.5/ll/ll.5/12V
• Power-save mode
• Set utility priority/ Battery priority
• Set utility input wide/narrow range
• Inverter voltage can be set to 100/110/120
• Inverter frequency can be set to 50/60Hz
• Set utility charging on/off switch
• BOA MPPT charger
• Acid or Lithium Select
• WIFI PORT
• BAT CAN Port

LCD Panel Description

1. MENU
2. UP
3. DOWN
4. ENTER
5. AC LED
6. INV LED
7. FAULT
8. LCD

Back panel printing description:

1. Battery-/+
2. Bl’ff-cAN PORT
3. REMOTE PORT
4. AGS
5. USB
6. K. INPUT BREAKER
7. Pl/-/+
8. K. OUTPUT: HOT! – N lOOVAC/110 VAC/12fNK.
9. K. OUTPUT: HOT2 – N lOOVAC/110 VAC/12fNK.
10. K. OUTPUT: HOT! – HOT2 200VAC/220 VAC/24fNK.
11. K. INPUT: HOT! – HOT2 200VAC/220 VAC/24fNK.
12. SWilO-l ON/OFF
13. WIA

Installation

Unpacking and inspection
Before installation, please inspect whole unit. Be sure that nothing inside the package is damaged. You should have received the following items inside of package.

User manual X 1 Communication cable X 1 Battery cables (RED/BLACK) X 2(Optional)

Mounting the Unit

Consider the following points before selecting where to install:

• Do not mount the inverter on flammable construction materials.
• Mount on a solid surface.
• Install this inverter at eye level in order to read the LCD display clearly.
• For proper air circulation to dissipate heat, require a clearance about 50 cm to the side and 80 cm above and below the unit.
• The ambient temperature should be between 0’C and 40’C to ensure optimal operation.
• The recommended installation position is to be adhered to the wall vertically.
• Be sure to keep other objects and surfaces as shown in the diagram to guarantee sufficient heat dissipation and to have enough space for removing wires.

SUITABLE FOR MOUNTING ON CONCRETE OROTHER NON-COMBUSTIBLE SURFACE ONLY.

Install the unit by screwing four screws

DC Wiring Suggestion
It is suggested to keep battery bank as close as possible to inverter. battery cable length lm is suggested. Please find following minimum wire size. If DC cable longer than 1 m, please use thicker battery cables to bear power current going though.

lKW

| 12VDC| 6AWG|

3KW

| 24VDC| 3AWG
24VDC| 6AWG| 48VDC| 6AWG

l.SKW

| 12VDC| 4AWG|

4KW

| 24VDC| 2AWG
24VDC| 6AWG| 48VDC| 4AWG

2KW

| 12VDC| 2AWG| SKW| 48VDC| 3AWG
24VDC| 4AWG| 6KW| 48VDC| 3AWG

Please connect cable size thicker enough, or connect several combined thin cables together to be same strong. Battery bank should be kept close to inverter; The shorter and thicker cables, the better the system performance.

Please follow battery connection steps below:

• Assemble battery ring terminal.
• Connect all battery packs as units requires.
• Battery cable and terminal size suggestion:
• It’s suggested to connect at least l00Ah capacity battery pack for 1KW-3KW models, at least 200Ah for 4KW-6KW models.

NOTE: Insert the ring terminal of battery cable into inverter to battery connector, make sure the bolts are tightened with torque of 2-3Nm. Pay special attention to battery back and inverter are connected rightly, also ring terminals are tightly screwed to the battery terminals.

WARNING: Shock Hazard
Installation must be performed with care due to high battery voltage in series.

CAUTION

• Do not place anything between the flat part of the inverter terminal and the ring terminal. Otherwise, overheating may occur.
• Do not apply antioxidant substance on the terminals before terminals are connected tightly.
• Before making the final DC connection or closing DC breaker/ dis­connecter, be sure positive(+) must be connected to positive(+) and negative(-) must be connected to negative(-).

AC Input/Output Connection

CAUTION!! Before connecting to AC input power source, please install a separate AC breaker between inverter and AC input power source. This will ensure inverter can be disconnected safely during maintenance and fully protected from over current of AC input.

CAUTION!! Please don’t connect the output wring to “Grid” terminal or connect the grid wring to the “Load” terminal. WARNING! All wiring must be performed by a qualified personnel.

WARNING! It’s very important to use appropriate cable for Grid connection for system safety and efficient operation. To reduce injury risk, please use the proper suggested cable size as below.

AC Wiring
We recommend using 10-16AWG wire to connect AC terminal block.
There are 3 different ways to connect AC wire to terminal block. All wirings are CE compliant, call our tech support if you are not sure about how to wire any part of your inverter.

Suggested cable requirement for AC wires

Please follow steps below to implement Load/Grid connection:

• Before Load/Grid connection, be sure to open DC protector first.
• Remove insulation sleeve 10mm for six conductors. And shorten phase Land neutral conductor N 3 mm.
• Insert grid wires according to polarities indicated on terminal block and tighten terminal screws. Be Sure to connect PE protective conductor( )first.

AC INPUT Connection

Ground {yellow-green)

• HOT1 {brown or black)
• HOT2 {brown or black)

WARNING:
Be sure that AC power source is disconnected before hard-wire it to the unit.

Then, insert Load wires according to polarities indicated on terminal block and tighten terminal screws. Be sure to connect PE protective conductor( )first

AC OUTPUT Connection

Ground {yellow-green)

• HOT1 ➔ LINE {brown or black)
• N ➔ Neutral {blue or white)
• HOT2 ➔ LINE {brown or black)

Make sure the wires are securely connected

CAUTION: Appliances such as air conditioner are required at least 2-3 minutes to restart because it’s required to have enough time to balance refrigerant gas inside of circuits. If a power shortage occurs and recovers in a short time, it will cause damage to your connected appliances. To prevent this kind of damage, please check manufacturer of air conditioner if it’s equipped with time-delay function before installation. Otherwise, this inverter will be triggered overload fault and cut off output to protect your appliance but sometimes it still causes internal damage to the air conditioner.

PV Module Selection:
Please follow below steps to implement PV module connection:

1. Remove insulation sleeve 10 mm for positive and negative conductors
2. Check correct polarity of connection cable from PV modules and PV input connectors. Then, connect positive pole (+)of connection cable to positive pole (+) of PV input connector. Connect negative pole (-) of connection cable to negative pole (-) of PV input connector.
3. Make sure the wires are securely connected.

Operation

Operation key instructions:

• Switch button to control the machine On and off.
• There are four buttons: MENU, UP, DOWN, ENTER.
• Via UP and DOWN can check the various parameters display.
• Long press MENU to enter the setting menu page, MENU and ENTER turn over the menu page, UP and DOWN to set the parameters. After setting, long press ENTER 2s to exit, except the inverter frequency and inverter voltage parameters, The setting parameters are not saved to the EEPROM. The EEPROM is saved only when the parameters are normally set. (To ensure that the parameters can be successfully saved, so every time after setting the parameters need restart the machine).

Fault Mode

LED instruction

LED AC(green)

| Off| No AC input
On| AC normal
Blink| AC over range

LED Inv(yellow)

|  |
Off|
On| Inverter mode

LED Fault(red)

| Off| normal
On| fault
Blink| caution

BUZZER instruction

Setting key instructions:

LCD display:

Operating mode Description

AGS Function

AGS function information
The AGS function is that the inverter will start the generator automatically via the dry contact when the battery is low voltage.

Note:

The generator must have dry contact function.
If you connect AC grid and Generator to Inverter input at the same time, the interlock device should be installed between generator output and inverter input. (To ensure the utility and generator will not provide power to inverter at the same time. It doesn’t need to be installed if only connect generator).

Dry contact operating voltage

That is when the dry contact is engaged at DC<set low shutdown point+ Q.SV (battery low voltage warning point), at DC> 13.SV. (12V model)

Inverter Fan

DC fan:only full speed check the signal

| Start inverter| Fullspeed| After start inverter| Half speed
---|---|---|---|---
Inverter T>SQ’C| Fullspeed| Inverter T<4Q’C| Half speed
Load>SQ%| Fullspeed| Load<45%| Half speed
4-6KW AC fan:dont check the signal| Fullspeed

Unit charge function:
Inverter & MPPT controller:solar energy not enough,inverter will charge remain current.

example:4QA

| QA| 4QA
lQA| 3QA

4QA| QA

UTI/SBU function:

SBU

| DC<20 set page parameter| DC model to AC model
PV>lSV/,12,) & DC>21set page parameter and lmin| AC model to DC model

BTS-CAN function:

• BMS communication connection,confirm that the setting content is correct,and the wiring is not abnormal, the inverter matching lithium battery communication protocol confirm that the setting is normal.

CAN communication port difinition

| PIN 1| NC(Empty)| PIN 1| NC(Empty)
PIN 2| NC(Empty)| PIN 2| NC(Empty)
PIN 3| NC(Empty)| PIN 3| NC(Empty)
PIN 4| CANL| PIN 4| CANL
PIN 5| CANH| PIN 5| CANH
PIN 6| NC(Empty)| PIN 6| NC(Empty)
PIN 7| NC(Empty)|  |
PIN 8| NC(Empty)|  |

Communication

Upper Computer Monitoring directions:
Monitoring software: This software supports the communication function for various models of our company. The software will searching the COM Port and inverter model automatically.

The operation steps are as follows:
Connect the Inverter and Computer. connect the inverter with a communication cable to the computer with usb communication port.

Install the software: Solar Power Monitor

1. Put the CD in the computer CD driver, install the software Solar Power Monitor (Proper install following the steps)
2. Choose Solar Power Monitor. exe and install.
3. 0pen the PowerMonitor, turn on the machine.
4. The SolarPowerMonitor will auto scan communication port.
5. Wait for a moment, Power Monitor will work normally.

Monitor software function operation
Specific function Operations of the monitoring software, please refering to the HELP docs after the connection is successful.

Specification

Inverter Mode Specification

Model| 1012i1024I1512i1524I2012i2024I3024I3048I4024I4048I             5048 6048
---|---
Rated power(W)| lKW| l.5KW         2KW| 3KW| 4KW| 5KW          6KW
Power Factor| 1
Waveform| Pure sine wave
Output voltage RMS| 100V/1 l0V / 120VAC(200V/220V/240VAC)± 10%
Output frequency| 50HZ or 60HZ ( ±0.3HZ)
Inverter efficiency(peak)| >80%

Overload

| 1000/o<Load< 110% (alarm 5min then stop output and fault code 07) 110%<Load<125% (alarm 60s then stop output and fault code 07)

Load>125% (alarm 10s then stop output and fault code 07)

Surge rating| 3000VA  I| 4500VA I    6000VA| 9000VA I 12000VA| 15000VA I 15000VA
Capable of starting

electric motor

| lP| 1.5P| 1.5P| 2P| 3P
Battery voltage| 12VDC/24VDC| 24VDC/48VDC| 48VDC
Minimum start voltage| 11VDC/22VDC/44VDC

Low battery cut off

| (low voltage fault code04) (10/10.5/ll/ll.5/12V) for 12V model (20/21/22/23/24V) for 24V model

(40/42/44/46/48V) for 48v model

Low battery alarm

| Add 0.5V/battery: (low battery alarm one second one time) (10/10.5/ll/ll.5/12V) +0.5Vdc for 12V model (20/21/22/23/24V) +1Vdc for 24v model

(40/42/44/46/48V) +2Vdc for 48v model

High voltage alarm

| Add + 1V/battery: (high voltage one second one time/after 30s fault 03)

(12-14.5V) + 1V for 12V model

(24-29V) + 2V for 24v model (48-58V) + 4V for 48v model

Save mode| Load:-,40W(110V)/80W(220V)

AC Mode Specification
AC parameter

AC input voltage range: ( ±SV)

220V

|

narrow

| AC<180V| AC>190V| AC>270V| AC<26SV
F<40HZ| F>4SHZ| F>70HZ| F<6SHZ
wide| AC<140V| AC>lS0V| AC>270V| AC<26SV
F<40HZ| F>4SHZ| F>70HZ| F<6SHZ

Charge Mode Specifications
Max charge current: ( ±SA)

Min charge current 10A. change by every SA.

Charge mode AC range

220V AC wide range

| AC>26SV| Stop charge| AC<260V| Charge recover
AC<lSSV| Stop charge| AC>160V| Charge recover
40<F<70HZ charge

Solar charger(MPPT controller) electrical specification

Charge mode:

Charge current adjustable| Charge cureent adjustable: 10A min (adjust by every SA)
---|---
Battery voltage| 10-14.SVdc/20-29Vdc/40-S8Vdc
Short circuit protection| breaker
Over charge protection| Bat V charge voltage+lV/battery,ls 1 time for 30s then alarm 03
rule| Boost CC -Boost CV – Boost FV

LCD display instruction

When inverter alarm, even it back to recovery mode. We must restart inverter to clear fault.

MPPT controller warning:

GUARANTEE CERTIFICATE

Serial No.:

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