SUN-40K-G03 - Uncategorized Deye - Free user manual and instructions
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| Product Type | Grid-Tied Solar Inverter |
| Brand | Deye |
| Model | SUN-40K-G03 |
| Rated AC Output Power | 40 kW |
| Maximum DC Input Power | 52 kW |
| Maximum DC Voltage | 1000 V |
| MPPT Voltage Range | 200-850 V |
| Number of MPP Trackers | 3 |
| Maximum Efficiency | 98.5% |
| Dimensions (W x H x D) | 600 x 700 x 300 mm |
| Weight | 65 kg |
| Cooling Method | Smart forced air cooling |
| Operating Temperature Range | -25°C to +60°C |
| Protection Degree | IP65 |
| Communication Interfaces | RS485, WiFi (optional) |
| Display | LCD |
| Warranty | 5 years |
| Safety Compliance | IEC 62109, VDE-AR-N 4105 |
| Certifications | CE, TUV |
| Maintenance and Cleaning | Clean air intake grilles monthly; inspect all electrical connections annually. |
| Safety Features | Integrated overvoltage, short-circuit, and ground fault protection. |
| Spare Parts and Repairability | Fan modules and DC switches are replaceable; serviceable by qualified personnel. |
| General Information | 5-year warranty, IP65 enclosure, RS485 communication. |
Frequently Asked Questions - SUN-40K-G03 Deye
What is the maximum DC input power?
The maximum DC input power is 52 kW.
What cable size is recommended for installation?
For DC input, use 70 mm² cable; for AC output, use 50 mm² cable, depending on distance and local codes.
How do I connect the inverter to the grid?
Grid connection must be performed by a licensed electrician following local utility requirements and safety standards.
Does the inverter include monitoring?
Yes, it has built-in RS485 communication; optional WiFi module allows remote monitoring via app.
What is the efficiency of this inverter?
The maximum efficiency is 98.5% under standard test conditions.
How should I clean the inverter?
Regularly clean the cooling fans and heatsinks using compressed air. Avoid using water or solvents.
What do error codes like E01 mean?
Error code E01 typically indicates a grid voltage fault. Refer to the manual for full error code list and troubleshooting.
Can this inverter be used with battery storage?
No, this is a grid-tied inverter without battery input. For battery storage, consider Deye hybrid models.
What is the standard warranty period?
The inverter comes with a 5-year standard warranty, extendable upon request.
Is this inverter compatible with all solar panels?
Yes, as long as the panel's open-circuit voltage is within the MPPT voltage range of 200-850V.
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