This document is the EA660 Modular UPS User's Manual and Operation explain
This manual covers all aspects of the EA660 modular UPS, including safe storage, installation environment, unpacking, placement, system introduction, wiring, start‑up procedures, and regular maintenance. It also contains detailed safety warnings, battery management guidelines, and after‑service warranty information.
The UPS is hot‑swappable, can be inserted or removed online without shutdown, and requires a minimum 10‑minute wait before handling modules due to high voltage on rear terminals. Proper grounding, ventilation, and environmental conditions are emphasized throughout the document.
| Storage temperature range | -25 °C ~ 60 °C |
|---|---|
| Recommended storage humidity | 5 % ~ 95 % (10 °C ~ 30 °C most suitable) |
| Operating temperature range | -5 °C ~ 40 °C |
| Maximum installation altitude | 1500 m |
| Battery group voltage | ±384 V |
The manual states that storage temperature should be between –25 °C and 60 °C, with 10 °C–30 °C being most suitable.
The UPS can operate safely between –5 °C and 40 °C.