A. O. Smith EWH-D3 Wall-Mounted Water Heater Installation Guide


A. O. Smith EWH-D3 Wall-Mounted Water Heater Installation Guide - cover page
Brand
A.O.SMITH
Category
Water heater
Document type
Installation Guide
Language
Chinese
Pages
21
File format
PDF
File size
1.6 MB
Published
01 April, 2012
Updated
01 April, 2012
MD5 checksum
347F0F03004362817443047AA2700394

About this manual

The EWH‑D3 is a wall‑mounted electric water heater equipped with safety features such as a double‑pole high‑temperature limit switch, a pressure‑relief valve, and a three‑pole power‑cutoff device. The manual explains user responsibilities, safety precautions, and the importance of professional installation.

Installation steps include preparing a suitable wall, mounting brackets, connecting the inlet and outlet pipes, installing the pressure‑relief valve (model G1/2‑0.8, preset to 0.8 MPa), wiring the electrical supply, and optional line‑control connections. The guide also details heating mode selection, LED display functions, and maintenance record keeping. This manual is written in Chinese.

What's inside

  • User Must Read
  • Safety Features
  • Product Features
  • Installation Instructions
  • Installation Steps and Precautions
  • Pipe Connection
  • Electrical Wiring
  • Line Control Connection
  • Maintenance Service Record

Specifications

Safety pressure valve modelG1/2-0.8
Safety pressure setting0.8 MPa
Low‑power heating1250 W (whole tank)
Fast‑half heating2500 W (upper half)
Fast‑full heating2500 W (whole tank)

Frequently asked questions

What heating power options does the EWH‑D3 provide?

Three options are available: low‑power (1250 W) heats the whole tank, fast‑half (2500 W) heats the upper half, and fast‑full (2500 W) heats the entire tank.

Download PDF (1.6 MB)

More A.O.SMITH Manuals


View all A.O.SMITH manuals →