CROWN MICRO X-3.6KW-M Hybrid Inverter User Manual

June 13, 2024
CROWN MICRO

CROWN-MICRO-LOGO

CROWN MICRO X-3.6KW-M Hybrid Inverter

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-PRODUCT

Product Information

About This Manual

Purpose: This manual describes the assembly, installation, operation, and troubleshooting of the X-3.6KW-M / X-5.6KW-M Hybrid Inverter with MPPT Solar Charger. Please read this manual carefully before installations and operations. Keep this manual for future reference.

Scope: This manual provides safety and installation guidelines, as well as information on tools and wiring.

WARNING: This chapter contains important safety and operating instructions. Read and keep this manual for future reference.

  • Before using the unit, read all instructions and cautionary markings on the unit, the batteries, and all appropriate sections of this manual.

ABOUT THIS MANUAL

Purpose

  • This manual describes the assembly, installation, operation and troubleshooting of this unit.
  • Please read this manual carefully before installations and operations. Keep this manual for future reference.

Scope

  • This manual provides safety and installation guidelines as well as information on tools and wiring.

SAFETY INSTRUCTIONS

WARNING: This chapter contains important safety and operating instructions. Read and keep this manual for future reference.

  1. Before using the unit , read all instructions and cautionary markings on t he unit the batteries and all appropriate sections of this manual.
  2. CAUTION: To reduce risk of injury, c harge only deep cycle lead acid type rechargeable batteries. Other types of batteries may burst, causing personal injury and damage.
  3. Do not disassemble the unit . Take it to a qualified service center when service or repair is required. Incorrect re assembl y may result in a risk of electric shock or fire.
  4. To reduce risk of electric shock, disconnect all wiring s before attempting any maintenance or cleaning. Turning off the unit will not reduce this risk.
  5. CAUTION: Only qualified personnel can install this d evice with battery.
  6. NEVER charge a frozen battery.
  7. For optimum operation of this inverter/charger, please follow required spec to select appropriate cable size. It s very important to correctly operate this inverter/charger.
  8. Be very cautious when working with metal tools on or around batteries. A potential risk exists to drop a tool to spark or short circuit batteries or other electrical parts and could cause an explosion.
  9. Please strictly follow installation procedure when you want to disconnect A C or DC terminals. Please refer to INSTALLATION section of this manual for the details
  10. One piece of 150A f use is provided as over current protection for the battery supply.
  11. GROUNDING INSTRUCTIONS: This inverter/ charger should be connected to a permanent grounded wiring system. Be sure to comply with local requirements and regulation to install this inverter.
  12. NEVER cause AC output and DC input short circuited. Do NOT connect to the mains when DC input short circuits.
  13. Warning: Only qualified service persons are ab le to service this device. If errors still persist after following troubleshooting table, please send this inverter/charger back to local dealer or service center for maintenance.
  14. WARNING: Because this inverter is non isolated, only three types of PV modu les are acceptable: single crystalline, poly crystalline with class A rated and CIGS modules. To avoid any malfunction, do not connect any PV modules with possible current leakage to the inverter. For example, grounded PV modules will cause current leakage to the inverter. When using CIGS modules, please be sure NO grounding.
  15. CAUTION: It’s requested to use PV junction box with surge protection. Otherwise, it will cause damage on inverter when lightning occurs on PV modules.

INTRODUCTION

This is a multi function inverter/charger, combin ing functions of inverter, solar charger and battery charger to offer uninterruptible power support with portable size. Its comprehensive LCD display offers user configurable and easy accessible button operation such as batte ry charging current, AC/solar charger priority, and acceptable input voltage based on different applications.

Features

  • Pure sine wave inverter
  • Inverter running without battery
  • Configurable input voltage range for home appliances and personal computers vi a LCD setting
  • Configurable battery charging current based on applications via LCD setting
  • Configurable AC/Solar Charger priority via LCD setting
  • Compatible to mains voltage or generator power
  • Auto restart while AC is recovering
  • Overload/ Over temperature/ short circuit protection
  • Smart battery charger design for optimized battery performance
  • Cold start function

Basic System Architecture

The following illustration shows basic application for this inverter/charger. It also includes following devices to have a complete running system

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-1

  • Generator or Utility.
  • PV modules

Consult with your system integrator for other possible system architectures depending on your requirements. This inverter can power all kinds of appliances in home or office environment, includi ng motor type appliances such as tube light, fan, refrigerator and a ir conditioner.

Product Overview

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-2

  1. LCD display
  2. Function keys
  3. Power on/off switch
  4. AC input
  5. AC output
  6. PV input
  7. Battery input
  8. Circuit breaker
  9. USB communication port
  10. RS 232 communication port

INSTALLATION

Unpacking and Inspection

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

  • The unit x 1
  • User manual x 1
  • Communication cable x 1
  • Software CD x 1
  • DC Fuse x 1
  • PV connectors x 1 set

Preparation

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-3

  • Before connecting all wirings, please take off bottom cover by removing four screws as shown below.

Mounting the Unit

Consider the following points before s electing where to install:

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-4

  • Do not mount the inverter on flammable construction materials.
  • Mount on a solid surface
  • Install this inverter at eye level in order to allow the LCD display to be read at all times.
  • For proper air circulation to dissipate heat, a llow a clearance of approx. 2 0 cm to the side and approx. 50 cm above and below the unit.
  • The ambient temperature should be between 0 °C and 55 °C to ensure optimal
  • 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.

WARNING: SUITABLE FOR MOUNTING ON CONCRETE OR OTHER NON-COMBUSTIBLE SURFACE ONLY.

  • Install the unit by screwing two screws. It’s recommended to use M4 or M5 screws.

Battery Connection

CAUTION: For safety operation and regulation compliance, it’s requested to install a separate DC over current protector or disconnection device between battery and the inverter. I t may not be necessary to have a disconnection device in some applications, however, it’s still recommended to have over current protection installed. Please refer to typical amperage as required.

WARNING: All wiring must be performed by a qualified perso nnel.

WARNING: It’s very important for system safety and efficient operation to use appropriate cable for battery connection. To reduce risk of injury, please use the proper recommended cable and terminal size as below.

Recommended battery cable and terminal size

Ring terminal

Recommended battery cable and terminal size


Model

| Typical Amperage| ****

Wire Size

| Cable mm 2| Ring Terminal| Torque Value
---|---|---|---|---|---
Dimensions
D (mm)| L (mm)
X-3.6KW-M| 167A| 2*4AWG| 25| 8.4| 33.2| ****

5 Nm

X-5.6KW-M| 129.6A| 12AWG| 38| 8.4| 39.2
2
4AWG| 25| 8.4| 33.2

Please follow below steps to imp lement battery connection:

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-7

  1. 3.6KW model supports 24VDC system and 5 .6 K W model supports 48VDC system . Connect all battery packs as below chart. It is recommend to connect minimum of 100Ah capacity battery for 3.6KW model and 2 00Ah capacity battery for 5.6KW model.CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-8
  2. Prepare four battery wires for 3.6KW model and two or four battery wires for 5.6KW model depending on cable size (refer to recommended cable size table). A pply ring terminals to your battery wires and secure it to the battery terminal bloc k with the bolts properly tightened. Refer to battery cable size for torque value. Make sure polarity at both the battery and the inverter is correctly connected and ring terminals are secured 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 anti oxidant substance on the terminals before terminals are connected tightly.
  • Before making the final DC connection o r closing DC breaker/disconnector, 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 br eaker between inverter and AC input power source . This will ensure the inverter can be securely disconnected during maintenance and fully protected from over current of AC input. The recommended spec of AC breaker is 32A for 3. 6 KW and 5 0A for 5.6 KW
  • There are two terminal blocks with “IN” and “OUT” markings. Please do NOT mis connect input and output connectors.

WARNING

  • All wiring must be performed by a qualified personnel.
  • It’s very important for system safety and efficient operation to use appropriate cable for AC input connection. To reduce risk of injury, please use the proper recommended cable size as below.

Suggested cable requirement for AC wires

Model Gauge Cable (mm 2 ) Torque Value
X-3.6KW-M 12 AWG 4 1.2 Nm
X-5.6KW-M 10 AWG 6 1.2 Nm

Please follow below steps to implement AC input/output connection:

  1. Before making AC input/output connection, be sure to open DC protector or disconnector first.
  2. Remove insulation sleeve 10mm for six conductors. And shorten phase L and neutral con ductor N 3 mm.
  3. Insert AC input wires according to polarities indicated on terminal block and tighten the terminal screws . Be sure to connect PE protective conductor ( ) first.CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-10
    • →Grouund (yellow green)
    • L→ LINE (brown or black)
    • N→ Neutral (blue)
    • WARNING: Be sure that AC power source is disconnected before attempting to hardwire it to the unit.CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-11
  4. This inverter is equipped with dual output. There are four terminals (L1/N1, L2/N2) available on output port. It’s set up through LCD program or monitoring softwa re to turn on and off the second output. Refer to “LCD setting” section for the details. Insert AC output wires according to polarities indicated on terminal block and tighten terminal screws . Be sure to connect PE protective conductor ( ) first.
    • → Ground (yellow green)
    • L1 → LINE (brown or black)
    • N1 → Neutral (blue)
    • L2 → LINE (brown or black)
    • N2 → Neutral (blue)
  5. Make sure the wires are securely connected.

CAUTION: Appliances such as a ir conditio ner 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 preven t this kind of damage, please check manufacturer of air conditioner if it’s equipped with time delay function before installation. Otherwise, this inverter /charger will trig overload fault and cut off output to protect your appliance but sometimes it still causes internal damage to the a ir conditioner.

PV Connection

CAUTION: Before connecting to PV modules, please insta ll separately DC circuit breakers between inverter and PV modules.

NOTE1: Please use 600VDC/30A circuit breaker
NOTE2: The overvoltage category of the PV input is II

Please follow the steps below to implement PV module connection:

WARNING: Because this inverter is non isolated, only three types of PV modules are acceptable: single crystalline and poly crystalline with class A rated and CIGS modules.

To avoid any malfunction, do not connect any PV modules with possible current leakage to the inverter. For example, grounded PV modules will cause current leakage to the inverter. When using CIGS modules, please be sure NO grounding.

CAUTION: It’s requ ired to use PV junction box with surge protection. Otherwise, it will cause damage on inverter when lightning occurs on PV modules.

  • Step1: Check the inp ut voltage of PV array modules. This system is applied with two strings of PV array. Please make sure that the maximum current load of each PV input connector is 18A
    • CAUTION: Exceeding the maximum input voltage can destroy the unit!! Check the system before wire connection.
  • Step2: Disconnect the circuit breaker and switch off the DC switch
  • Step3: Assemble p rovided PV connectors with PV modules by the following steps.

Components for PV connectors and Tools:

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-12

Prepare the cable and follow the connector assembly process:

  • Strip one cable 8 mm on both end sides and be careful NOT to nick conductors.

  • Insert striped cable into female terminal and crimp female terminal as shown below.CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-14

  • Insert assembled cable into female connector housing as shown below.CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-15

  • Insert striped cable into male terminal and crimp male terminal as shown below.CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-16

  • Insert assembled cable into male connector housing as shown below.CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-17

  • Then, use spanner to screw pressure dome tightly to female connector and male connector as shown below.

Step4: Check correct polarity of connection cable from PV module s 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.

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-19

WARNING: For safety and efficiency, it’s very important to use appropriate cables for PV module connection. To reduce risk of injury, please use the proper cable size as recommended below.

Conductor cross-section (mm2) AWG no.
4~6 10~12

CAUTION: Never directly touch the terminals of inverter. It might cause lethal electric shock.

PV Module Selection:

When selecting proper PV modules, please be sure to consider below parameters:

  1. Open c ircuit Voltage (Voc) of PV modules not exceeds max. PV array open circuit voltage of inverter.
  2. Open c ircuit Voltage (Voc) of PV modules should be higher than min. Start up Voltage
INVERTER MODEL X-3.6KW-M X-5.6KW-M
Max. PV Array Power 4000W 6000W
Max. PV Array Open Circuit Voltage 500Vdc
PV Array MPPT Voltage Range 120Vdc~450Vdc
Start-up Voltage 150Vdc +/- 10Vdc

Take 250Wp PV module as an example. After considering above two parameters, the recommended module configurations are listed as below table.

Solar Panel Spec. (reference)

– 250Wp

| SOLAR INPUT| Q’ty of panels| Total input

power

|
---|---|---|---|---
Min in series: 6 pcs, max. in series: 12 pcs.|
6 pcs in series| 6 pcs| 1500W|
– Vmp: 30.1Vdc|
8 pcs in series| 8 pcs| 2000W|
– Imp: 8.3A|
12 pcs in series| 12 pcs| 3000W|
– Voc: 37.7Vdc|
8 pieces in series and 2 sets in parallel| 16 pcs| 4000W|
–  Isc: 8.4A

–  Cells: 60

|
10 pieces in series and 2 sets in parallel (only for 5.6KVA model)| 20 pcs| 5000W|
| 11 pieces in series and 2 sets in parallel| 22 pcs| 5500W|
| (only for 5.6KVA model)|
| 12 pieces in series and 2 sets in parallel| 24 pcs| 6000W|
| (only for 5.6KVA model)|

Take the 555Wp PV module as an example. After considering above two parameters, the recommended module con figurations are listed in the table below.

Solar Panel Spec. (reference)

– 555Wp

– Imp: 17.32A

–  Voc: 38.46Vdc

– Isc: 18.33A

–  Cells: 110

| SOLAR INPUT| Q’ty of panels| Total input power
---|---|---|---
Min in series: 2 pcs, max. in series: 11 pcs.
2pcs in series| 2 pcs| 1110W
4pcs in series| 4 pcs| 2220W
6 pcs in series| 6 pcs| 3330W
7 pcs in series| 7 pcs| 3885W
8 pcs in series (only for X-5.6KW-M model)| 8 pcs| 4440W
10 pcs in series (only for X-5.6KW-M model)| 10 pcs| 5550W
11 pcs in series (only for X-5.6KW-M model)| 11 pcs| 6000W

Final Assembly

  • After connecting all wirings, please put bottom cover back by screwing two screws as shown below.

Communication Options

Serial Connection

Please use the supplied serial cable to connect between the inverter and your PC. Install the monitoring software from the bundled CD and follow the on- screen instructions to complete your installation. For detailed software operation, refer to the software user manual on the bundled CD.

Wi-Fi Connection

Wi-Fi module needs to be installed on the inverter for Wi-Fi Connection. Wi-Fi module can enable wireless communication between inverters and monitoring platform. Simply put this module connected to an inverter with communication cable and you may find “Crown Monitor” app from the Apple® Store or Google® Play Store. All data loggers and parameters are saved in iCloud. For quick installation and operation, please check Appendix II.

Wi-Fi Module Installation

Please follow below steps to install Wi-Fi module:

  • Step 1: The module contains four strong magnetics backing and can be easily be placed on the side of the inverter.
  • Step 2: Please use one RJ45 to RS-232 communication cable to connect an inverter and Wi-Fi module as below chart.

OPERATION

Power ON/OFF

  • Once the unit has been properly installed and the batteries are connected well , simply press On/Off switch (located on the side of the unit ) to turn on the unit.

Operation and Display Panel

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-24

  • The operation LCD panel, shown in the chart below, includes one RGB LED ring, four function keys and a LCD display to indicate the operating status and input/output power information.

Function Keys

Function Key Description
**** ESC
**** Up
**** Down
**** Enter

LCD Display Icons

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-25

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-26

Battery Information

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-27

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-28

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-29

LCD Setting

After pressing and hold ing ENTER button for 3 seconds, the unit will enter setting mode. Press UP or DOWN button to select setting programs. And then, press ENTER button to confirm the selection or ESC button to exit.

Setting Programs:

CROWAN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-31 CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-32 CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-33 CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-34 CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-35 CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-36 CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-37

Display Setting

The LCD display information will be switched in turns by pressing UP or DOWN key. The selectable information is switched as below order: input voltage, input frequency, PV voltage, charging curre nt, charging power battery voltage, output voltage output frequency, load percent age load in Watt, load in VA, load in Watt, DC discharging current , main CPU Version

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-38CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-39 CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-40

Operating Mode Description

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-41 CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-42 CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-43 CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-44

Battery Equalization Description

Equalization function is added into charge controller. It reverses the buildup of negative c hemical effects like stratification, a condition where acid concentration is greater at the bottom of the battery than at the top. Equaliz ation also helps to remove sulfate crystals that might have built up on the plates. If left unchecked, this condition, called sulfation, will reduce the overall capacity of the battery. Therefore, it s recommended to equalize battery periodically.

How to A pply Equalization Function

You must enable battery equalization function in monitoring LCD setting program 30 first. Then, you may apply this function in device by either one of following methods:

  1. Setting equalization interval in program 35
  2. Active equalization immediately in program 36

When to Equalize

  • In float stage, when the setting equalization interval (bat tery equalization cycle) is arrived , or equalization is active immediately, the controller will start to enter Equalize stage.

Equalize charging time and timeout

In Equalize stage, the controller will supply power to charge battery as much as possible until battery voltage raise s to battery e qualiz ation voltage. Then, constant voltage regulation is applied to maintain battery voltage at the battery e qualiz ation voltage. The battery will remain in the Equalize stage until setting battery equalized time is arrived.

However, in Equalize stage, when battery equalized time is expired and battery voltage does t rise to battery e qualization voltage point, the charge controller will extend the battery equalized time until battery voltage achieves battery equa lization voltage. If battery voltage is still lower than battery equalization voltage when battery equalized timeout setting is over, the charge contro l l er will stop equalization and return to float stage.

Fault Reference Code

Fault Code Fault Event Icon on
01 Fan is locked when inverter is off. F01
02 Over temperature or NTC is not connected well. F02
03 Battery voltage is too high F03
04 Battery voltage is too low F04
05 Output short circuited or over temperature is detected by internal
converter components. F05
06 Output voltage is too high. F06
07 Overload time out F07
08 Bus voltage is too high F08
09 Bus soft start failed F09
10 PV over current F10
51 Over current or surge F51
52 Bus voltage is too low F52
53 Inverter soft start failed F53
55 Over DC voltage in AC output F55
57 Current sensor failed F57
58 Output voltage is too low F58
59 PV voltage is over limitation F59

Warning Indicator

Warning Code| Warning Event| Audible Alarm| Icon flashing
---|---|---|---
01| Fan is locked when inverter is on.| Beep three times every second| 01
02| Over temperature| None| 02
03| Battery is over-charged| Beep once every second| 03
04| Low battery|

Beep once every second

|  04
07| Overload| Beep once every 0.5 second| 07
10| Output power derating| Beep twice every 3 seconds| 10
15| PV energy is low.| Beep twice every 3 seconds| 15
16| High AC input (>280VAC) during BUS soft start| None| 16
E9| Battery equalization| None| E9

CLEARANCE AND MAINTENANCE

CLEARANCE AND MAINTENANCE FOR ANTI-DUST KIT

Overview

Every inverter is already installed with anti dusk kit from factory. Inverter will automatically detect this kit and activate internal thermal sensor to adjust internal temperature. This kit also keeps dusk from your inverter and increases product reliability in harsh environment.

Clearance and Maintenance

  • Step 1: Please loosen the screw in counterclockwise direction on the top of the inverter.
  • Step 2: Then, dustproof case can be removed and take out air filter foam as shown in below chart.
  • Step 3: Clean air filter foam and dustproof case. After clearanc e, re assemble the dust kit back to the inverter.

NOTICE: The anti dust kit should be cleaned from dust every one month.

SPECIFICATIONS

Table 1: Line Mode Specifications

INVERTER MODEL X-3.6KW-M X-5.6KW-M
Input Voltage Waveform Sinusoidal (utility or generator)
Nominal Input Voltage 230Vac
Low Loss Voltage 170Vac±7V (UPS);

90Vac±7V (Appliances)

Low Loss Return Voltage

| 180Vac±7V (UPS);

100Vac±7V (Appliances)

High Loss Voltage| 280Vac±7V
High Loss Return Voltage| 270Vac±7V
Max AC Input Voltage| 300Vac
Max AC Input Current| 30A| 40A
Max 2nd Output Current| 30A| 40A
Nominal Input Frequency| 50Hz / 60Hz (Auto detection)
Low Loss Frequency| 40±1Hz
Low Loss Return Frequency| 42±1Hz
High Loss Frequency| 65±1Hz
High Loss Return Frequency| 63±1Hz
Output Short Circuit Protection| Circuit Breaker
Efficiency (Line Mode)| >95% ( Rated R load, battery full charged )

Transfer Time

| 10ms typical (UPS); 20ms typical (Appliances)
Output power derating: When AC input voltage drops to 170V, the output power will be derated.|

Table 2: Inverter Mode Specifications

INVERTER MODEL X-3.6KW-M X-5.6KW-M
Rated Output Power 3.6KVA/3.6KW 5.6KVA/5.6KW
Output Voltage Waveform Pure Sine Wave
Output Voltage Regulation 230Vac±5%
Output Frequency 50Hz
Peak Efficiency 93%
Overload Protection 5s@≥130% load; 10s@105%~130% load
Surge Capacity 2* rated power for 5 seconds
Nominal DC Input Voltage 24Vdc 48Vdc
Cold Start Voltage 23.0Vdc 46.0Vdc
Low DC Warning Voltage
@ load < 50% 23.0Vdc 46.0Vdc
@ load ≥ 50% 22.0Vdc 44.0Vdc
Low DC Warning Return Voltage
@ load < 50% 23.5Vdc 47.0Vdc
@ load ≥ 50% 23.0Vdc 46.0Vdc
Low DC Cut-off Voltage
@ load < 50% 21.5Vdc 43.0Vdc
@ load ≥ 50% 21.0Vdc 42.0Vdc
High DC Recovery Voltage 32Vdc 62Vdc
High DC Cut-off Voltage 33Vdc 63Vdc
No Load Power Consumption <40W <55W

Table 3: Charge Mode Specifications

Utility Charging Mode

INVERTER MODEL| X-3.6KW-M| X-5.6KW-M
Charging Algorithm| 3-Step|
AC Charging Current (Max)| 100Amp (@VI/P=230Vac)
Bulk Charging

Voltage

| Flooded Battery| 29.2| 58.4
AGM / Gel Battery| 28.2| 56.4
Floating Charging Voltage| 27Vdc| 54Vdc

Charging Curve

| |
MPPT Solar Charging Mode
INVERTER MODEL| X-3.6KW-M| X-5.6KW-M
Max. PV Array Power| 4000W| 6000W
Nominal PV Voltage| 240Vdc| 360Vdc
Start-up Voltage| 150Vdc +/- 10Vdc|
PV Array MPPT Voltage Range| 120~450Vdc|
Max. PV Array Open Circuit Voltage| 500Vdc|
Max Charging Current

(AC charger plus solar charger)

| 100Amp|

Table 4: General Specifications

INVERTER MODEL X-3.6KW-M X-5.6KW-M
Safety Certification CE
Operating Temperature Range -10°C to 50°C
Storage temperature -15°C~ 60°C
Humidity 5% to 95% Relative Humidity (Non-condensing)
Dimension (DWH), mm 107 x 322.6 x 420
Net Weight, kg 9.5 10.5

TROUBLE SHOOTING

Problem| LCD/LED/Buzzer| Explanation / Possible cause| What to do
---|---|---|---
Unit shuts down automatically during startup

process.

| LCD/LEDs and buzzer will be active for 3 seconds and then

complete off.

| ****

The battery voltage is too low (<1.91V/Cell)

| ****

1.   Re-charge battery.

2.   Replace battery.


No response after power on.

| ****

No indication.

| 1.  The battery voltage is far too low. (<1.4V/Cell)

2.  Internal fuse tripped.

| 1.   Contact repair center for replacing the fuse.

2.   Re-charge battery.

3.   Replace battery.





Mains exist but the unit works in battery mode.

| Input voltage is displayed as 0 on the LCD and green LED is

flashing.

| ****

Input protector is tripped

| Check if AC breaker is tripped and AC wiring is connected well.



Green LED is flashing.

| ****

Insufficient quality of AC power. (Shore or Generator)

| 1.   Check if AC wires are too thin and/or too long.

2.   Check if generator (if applied) is working well or if

input voltage range setting is correct. (UPSàAppliance)

Green LED is flashing.| Set “Solar First” as the priority of output source.| Change output source priority to Utility first.
When the unit is turned on, internal

relay is switched on and off repeatedly.

| ****

LCD display and LEDs are flashing

| ****

Battery is disconnected.

| ****

Check if battery wires are connected well.














Buzzer beeps continuously and red LED is on.

| ****



Fault code 07

| Overload error. The inverter is overload 105% and time is up.| Reduce the connected load by switching off some

equipment.

If PV input voltage is higher than specification, the output power will be derated. At this time, if connected loads is higher than

derated output power, it will cause overload.

| ****

Reduce the number of PV modules in series or the connected load.


Fault code 05

| ****

Output short circuited.

| Check if wiring is connected

well and remove abnormal load.

Temperature of internal converter component is over 120°C.| Check whether the air flow of the unit is blocked or whether the ambient temperature is

too high.

Fault code 02| Internal temperature of inverter component is over 100°C.


Fault code 03

| Battery is over-charged.| Return to repair center.


The battery voltage is too high.

| Check if spec and quantity of batteries are meet requirements.
Fault code 01| Fan fault| Replace the fan.


Fault code 06/58

| Output abnormal (Inverter voltage

below than 190Vac or is higher than 260Vac)

| 1.   Reduce the connected load.

2.   Return to repair center

Fault code 08/09/53/57| Internal components failed.| Return to repair center.
Fault code 51| Over current or surge.| Restart the unit, if the error happens again, please return to repair center.
Fault code 52| Bus voltage is too low.
Fault code 55| Output voltage is unbalanced.
Fault code 59| PV input voltage is beyond the specification.| Reduce the number of PV modules in series.

Appendix II

The Wi-Fi Operation Guide

Introduction

Wi-Fi module can enable wireless communication between off-grid inverters and monitoring platform. Users have complete and remote monitoring and controlling experience for inverters when combining Wi-Fi module with Crown Monitor App, available for both iOS and Android based device. All data loggers and parameters are saved in iCloud.

The major functions of this APP:

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-52

  • Delivers device status during normal operation.
  • Allows to configure device setting after installation.
  • Notifies users when a warning or alarm occurs.
  • Allows users to query inverter history data.

Crown Monitor App

Download and install APP

Operating system requirement for your smart phone:

  • iOS system supports iOS 9.0 and above
  • Android system supports Android 5.0 and above

User may Download “Crown Monitor ” app from Apple Store or Google Play Store.

Initial Setup

Step 1: Registration at first time

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-56

After the installation, please tap the shortcut icon to access this APP on your mobile screen. In the Home screen of App, tap “Register” to access “User Registration” page. Fill in your phone number then Crown Monitor App send OTP (One-time password) to your Number. Verify your phone number by entering OTP.

Then Registration window will pop up. Fill in all your Relevant Information and Tap “Register” icon to continue to other settings.

Step 2: Local Wi Fi Module Configuration

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-58

In the Home Screen, tap “WiFi Configuration” to access Wi Fi Settings. There are detailed setup procedure listed below “ How to Connect?” section. You may follow it to connect Module to Wi Fi.

How to Connect?

  1. Enter the phone system Settings WLAN
  2. Select the Same Wi Fi Module PN to connect
  3. After the connection is successful, return to the Ap p for network configuration
  • Go to “WLAN Settings” of phone and select connected WiFi name. The connected Wi Fi name is the same to your Wi Fi Module PN number and enter default password “12345678”.

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-59

  • Then Return to “Crown Monitor App” and tap button, when Wi Fi module is connected successfully.

Step 3: Wi-Fi Network Settings:

CROWN-MICRO-X-3-6KW-M-Hybrid-Inverter-FIG-62

  • Tap icon to select your local Wi Fi Router name (to access the Internet) and enter password.

Step 4

  • Tap “Confirm” to complete the Wi Fi configuration between the Wi Fi module and the Internet.

If the Connection Fails, please Repeat Step1 and Step2

Step 5: Login Successful

  • After Successful Login, User can access “Dashboard” page to Monitor currently Running devices.
  • User can Monitor overall situation and Energy information for Current power and Today power as below diagram.

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