Legrand H/LN4691 Thermostat Installation Manual

Installation manual for the Legrand H/LN4691 thermostat, covering setup, operation modes, and configuration for heating and cooling systems.

Brand: LEGRAND
Category: Other Electronics
Document type: User Manual
Language: Chinese
Pages: 30
File format: PDF
File size: 8.2 MB
Published: 18 October, 2026
Updated: 18 October, 2026
Model: H/LN4691
MD5 checksum: C7003E8983DF73B1C639B30993E4CAC2
PDF: Legrand H/LN4691 Thermostat Installation Manual PDF

About this manual

This document is the installation manual for the Legrand H/LN4691 thermostat. It provides instructions for installing the device on MyHOME temperature regulation equipment, hotel room units, or standalone home devices. The manual details the physical configuration, button functions, and various operating modes including heating, cooling, and automatic switching. This manual is written in Chinese.

What's inside

Introduction
Main Features
Front and Back Description
Application Scope
Configuration
Functions and Operation Modes
Program Settings
Appendix

Specifications

Operating Voltage (PRI)	220 – 240 V~ 185 – 175 mA 50/60 Hz
Operating Voltage (SCS)	27 Vdc 600 mA
Bus Power Supply	18 – 27 Vdc
Operating Temperature	0 – 40 °C
Measurement Units	°C or °F

Frequently asked questions

What is the recommended installation height for the thermostat?

The thermostat should be fixed on the wall at a distance of 150 cm from the ground.

What does error code Er4 indicate?

Error Er4 indicates that the temperature sensor is malfunctioning.

Download PDF (8.2 MB)