Huawei SUN2000-40KTL-M3 Quick Guide

18
Inverter Connected to Optimizers
7.3
For details about how to add optimizers and the physical layout of optimizers, see SUN2000-
450W-P Smart PV Optimizer Quick Guide and FusionSolar App Quick Guide . You can scan the
QR codes to obtain the documents. During the FusionSolar app upgrade, scan the QR code to
download the corresponding quick guide according to the downloaded app version.
8
FAQ: How Do I Reset the Password?
1. Check that the AC and DC power supplies to the solar inverter are connected simultaneously,
and that the and indicators are steady green or blink slowly for more than 3 minutes.
2. Turn off the AC switch, set the DC switch at the bottom of the solar inverter to OFF, and wait
until all indicators on the solar inverter panel turn off.
3. Complete the following operations within 3 minutes:
a. Turn on the AC switch and wait until the indicator blinks.
b. Turn off the AC switch and wait until all indicators on the solar inverter panel turn off.
c. Turn on the AC switch and wait until all LED indicators on the inverter panel blink and
turn off after about 30s.
a. Wait until the indicator blinks.
b. Obtain the initial WLAN hotspot name (SSID) and initial password (PSW) from the label
on the side of the solar inverter to connect to the app.
c. On the login page, set a new login password and log in to the app.
6. Set router and management system parameters to implement remote management.
You are advised to reset the password in the morning or at night when the solar irradiance is
low.
4. Wait until the three indicators on the inverter panel blink green quickly and then blink
red quickly, indicating that the password has been restored.
5. Reset the password within 10 minutes. (If no operation is performed within 10
minutes, all parameters of the solar inverter remain the same as those before the
reset.)
SUN2000-450W-P

Huawei SUN2000-40KTL-M3 Specifications

General

Max. Efficiency	98.7%
European Efficiency	98.4%
Max. Input Voltage	1100 V
MPPT Operating Voltage Range	200 V - 1000 V
Max. Input Current per MPPT	26 A
Number of MPPTs	4
Rated Output Power	40000 W
Rated AC Voltage	400 V
Rated AC Frequency	50 Hz / 60 Hz
Adjustable Power Factor Range	0.8 leading - 0.8 lagging
Total Harmonic Distortion (THD)	<3%
DC Reverse-Polarity Protection	Yes
AC Overcurrent Protection	Yes
DC Surge Protection	Type II
AC Surge Protection	Type II
Insulation Monitoring	Yes
Residual Current Monitoring	Yes
DC Switch	Yes
Protection Class	IP66
Operating Temperature Range	-25°C to +60°C
Relative Humidity (Operating)	0% - 100%
Cooling	Natural Convection
Max. Apparent AC Power	44000 VA
AC Voltage Range	320 V - 480 V
Operating Altitude	4000 m
Display	LED Indicators
Communication	RS485, WLAN
Weight	43 kg
Max. DC Power	60000 W