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- Last added
- 2026-10-16
Featured HONGHUA TECHNOLOGY manuals

HONGHUA TECHNOLOGY ZDK Series Commercial Electric Water Boiler User Manual
This user manual covers the installation, operation, and maintenance of HONGHUA TECHNOLOGY's ZDK series commercial electric water boilers. It details safety precautions, operational procedures for automatic heating and water filling, and cleaning instructions to ensure safe and efficient use. This manual is written in Chinese.
Covers: Safety Precautions · Product Features · Operating Conditions · Specifications · Working Procedure · Installation
Latest HONGHUA TECHNOLOGY manuals
HONGHUA TECHNOLOGY ZDK Series Commercial Electric Water Boiler User Manual
User Manual 16 pages · 1.5 MB · ZHThis manual provides installation, operation, and maintenance instructions for HONGHUA TECHNOLOGY ZDK series commercial electric water boilers, including…
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 HONGHUA TECHNOLOGY manuals
What is the required water pressure for the boiler?
The water pressure should be between 0.15 MPa and 0.3 MPa for municipal water supply.
From: HONGHUA TECHNOLOGY ZDK Series Commercial Electric Water Boiler User Manual
Can the boiler be cleaned with a high-pressure water jet?
No, it is strictly prohibited to use a high-pressure water jet to clean the machine.
From: HONGHUA TECHNOLOGY ZDK Series Commercial Electric Water Boiler User Manual
