The manual provides safety guidelines, installation steps, commissioning, maintenance, and troubleshooting for the Delta M70A_263 grid‑tie transformerless…
This document guides technicians through the safe installation and commissioning of the Delta M70A_263 grid‑tie transformerless solar inverter. It includes detailed procedures for mechanical mounting, AC and DC wiring, communication module connections, and system commissioning via Bluetooth or auto‑ID functions.
The manual also covers routine maintenance, replacement of surge protection devices, fan servicing, and error‑code troubleshooting. Technical specifications, safety symbols, and appendices with assembly notes are provided for reference.
| Maximum DC Input Voltage | 1100 Vdc |
|---|---|
| Rated Output Voltage | 220 / 380 V, 230 / 400 V |
| Number of MPPT Trackers | 6 |
Error code E34 indicates an insulation fault caused by connecting a grounded PV array to the inverter.
Yes, the inverter is designed without an isolation transformer between the AC and DC sides.
The product is suitable for both indoor and outdoor use.