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- ZH
- Last added
- 2026-09-29
Featured Dongfang Wisdom manuals
Dongfang Wisdom DDZY178C Single-Phase Smart Fee-Control Electric Meter User Manual
The DDZY178C is a single‑phase smart fee‑control electric meter designed for residential time‑of‑use billing. It complies with national standards such as GB/T 17215.321‑2008 and DL/T 645‑2007, offering functions like multi‑tariff measurement, event logging, remote communication, and pulse output.
The manual provides detailed specifications, wiring diagrams, LCD operation instructions, fault codes, hazardous substance information, warranty terms, and contact details for Dongfang Wisdom. It also describes communication interfaces (infrared, RS‑485, module) and configuration options such as tariff periods and ladder pricing. This manual is written in Chinese.
Covers: Overview · Specifications and Main Technical Indicators · Main Functions · Installation and Wiring · Operation Instructions · Hazardous Substance Information
Latest Dongfang Wisdom manuals
Dongfang Wisdom DDZY178C Single-Phase Smart Fee-Control Electric Meter User Manual
User Manual 8 pages · 812 KB · ZHUser manual for the DDZY178C single‑phase smart fee‑control electric meter, covering specifications, installation, operation, and warranty.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Dongfang Wisdom manuals
How many tariff periods can be set per day?
Up to 14 tariff periods can be set in a day, with a minimum interval of 15 minutes.
From: Dongfang Wisdom DDZY178C Single-Phase Smart Fee-Control Electric Meter User Manual
What communication protocol does the meter use?
The meter supports the DL/T 645‑2007 communication protocol.
From: Dongfang Wisdom DDZY178C Single-Phase Smart Fee-Control Electric Meter User Manual