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homexpert THR842DUK User Manual

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User Manual
THR842DUK Wireless
Digital Thermostat
50051983-001 Rev. A
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homexpert THR842DUK Specifications

General IconGeneral
Power SourceBattery
Battery TypeAA
Number of Batteries2
Frost ProtectionYes
Valve ProtectionYes
Voltage3V
Temperature Control Accuracy±0.5°C
DisplayLCD
BacklightYes
ProgrammableYes
Child LockYes
InstallationWall-mounted
Temperature Range5°C to 35°C
Number of Programs7 per day

Summary

Temperature Control and ECO Mode

Energy-Saving ECO Mode

How to activate ECO mode for energy savings for a specified period.

System Installation and Relay Box Setup

System Installation Overview

Overview of the system installation procedure, including relay box and thermostat.

Installing the Relay Box

Step-by-step instructions for mounting and installing the relay box.

Wiring and Connections

Connecting System Wiring

Instructions on how to connect the heating/cooling equipment wiring to the relay box.

Wiring Diagrams for System Types

Visual guides for connecting various heating/cooling systems to the relay box.

Testing Thermostat and Wireless Communication

Activate Batteries and Initial Test

Steps for activating batteries and performing an initial test of the thermostat.

Thermostat Location and Mounting

System Testing and Installer Configuration

Performing the System Test

Procedures to verify the heating system operates correctly after installation.

Accessing Installer Setup Menu

How to access and change installer settings to customize system behavior.

Installer Setup Function Details

System Customization and Function Explanations

Advanced Troubleshooting and Re-binding

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