Smartgen HWP40-3 Forced Circulation Heater User Manual

The manual provides overview, specifications, installation, operation, maintenance, wiring and dimensions for the Smartgen HWP40-3 forced circulation heater.


Smartgen HWP40-3 Forced Circulation Heater User Manual - cover page
Brand
Smartgen
Category
Vehicle Accessories
Document type
User Manual
Language
Chinese
Pages
10
File format
PDF
File size
1.3 MB
Published
05 October, 2026
Updated
05 October, 2026
MD5 checksum
6A9C77E2B4FBEF4530AE61545736734D

About this manual

The Smartgen HWP40-3 is an intelligent forced‑circulation engine water heater designed for engines with a displacement of 15‑30 L. It features a stainless‑steel heating tube, LED temperature display, over‑heat protection and a separate pump and heating element control to prevent overheating.

This user manual includes product overview, performance features, technical specifications, step‑by‑step installation instructions, operation panel guidance, maintenance procedures, wiring diagram, and physical dimensions of the unit. This manual is written in Chinese.

What's inside

  • Preface
  • Overview
  • Performance Features
  • Specifications
  • Installation Instructions
  • Operation Instructions
  • Use and Maintenance
  • Wiring
  • Dimensions

Specifications

Rated Power4000W
Rated VoltageAC 420V
Rated Current5.5A
Applicable Engine Displacement15~30 L
Disconnect Temperature Range5~99 °C
Reset Temperature Range0~94 °C
Maximum Water Pressure0.5 MPa
Protection GradeIP44
Operating Temperature Range-40 °C~+70 °C
Weight18 kg

Frequently asked questions

What are the disconnect and reset temperature settings?

The disconnect temperature can be set between 5 °C and 99 °C, and the reset temperature between 0 °C and 94 °C.

How do I test the heater’s functions?

Press the test key to enter test mode; all indicator lights will turn on, confirming the heater and pump are working.

What is the maximum water pressure the heater can withstand?

The heater is rated for a maximum water pressure of 0.5 MPa.

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