OJ Electronics Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for OJ Electronics products.

Tip: include the full model number printed on your OJ Electronics label for the best match.

OJ Electronics manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

OJ Electronics UTN4,ATN4 Non Programmable Thermostats User Guide

March 30, 2026

OJ Electronics UTN4,ATN4 Non Programmable Thermostats Specifications Supply: (208 Vac included) 120/240 Vac Load: max. 15 A (resistive load) Power: 1800 W at 120 Vac 3120 W at 208 Vac 3600 W at 240 Vac GFCI (UTN4): Class A (5…

Brand: OJ Electronics

OJ ELECTRONICS Type ETO2 Controller for Ice and Snow Melting Instruction Manual

December 3, 2025

Type ETO2 Controller for ice and snow melting Type ETO2 Controller for Ice and Snow Melting 590 Telser Road Lake Zurich, IL 60047 Ph. (800) 875-5285 Fax (800) 408-1100 Web. www.WarmlyYours.com Dear Customer, Thank you for purchasing your radiant heating…

Brand: OJ Electronics

OJ ELECTRONICS UTN-4991 Non Programmable Thermostat Owner’s Manual

July 10, 2025

OJ ELECTRONICS UTN-4991 Non Programmable Thermostat Product Usage Instructions Installation: Ensure the power supply is turned off before starting the installation process. Mount the thermostat in a standard wall box following the provided dimensions. Connect the floor sensor to the…

Brand: OJ Electronics

OJ ELECTRONICS UTN5 Non Programmable Touch Thermostat Instruction Manual

June 11, 2025

OJ ELECTRONICS UTN5 Non-Programmable Touch Thermostat Product Usage Instructions Usage Once installed, the thermostat is easy to use with its intuitive user interface. Simply set your desired temperature and enjoy the comfort of your underfloor heating system. Floor Protection The…

Brand: OJ Electronics

OJ ELECTRONICS UTN5 OJ Microline Non Programmable Thermostat User Manual

April 12, 2025

OJ ELECTRONICS UTN5 OJ Microline Non-Programmable Thermostat Specifications Brand: OJ Electronics Model Number: 670084 Date: 06/24 (KJE) Website: www.ojelectronics.com Product Usage Instructions Introduction Startup wizard: The guided startup makes it easy to install and set up the thermostat with the…

Brand: OJ Electronics

OJ ELECTRONICS USG5-4000 Power Module User Guide

March 17, 2025

OJ ELECTRONICS USG5-4000 Power Module Specifications Specification Details Supply Range 120/240 Vac 50/60 Hz Load Max. 15 A (resistive load) Max. Power (Dependent on Voltage) 1800 W at 120 Vac 3120 W at 208 Vac 3600 W at 240 Vac…

Brand: OJ Electronics

OJ ELECTRONICS EX-DV Ventilation Drives Instructions

October 5, 2024

OJ ELECTRONICS EX-DV Ventilation Drives Product Information Specifications: Product Name: EX-DV Tool Name: OJ-DA-HMI-UPDATETOOL Compatibility: Systems with EXcon master Author: MAS Varenr. 670067 UK Prepared on: 03.04.2024 Product Usage Instructions Performing an Update: Step 1: Stop the system Touch the…

Brand: OJ Electronics

OJ ELECTRONICS Ultra Low Harmonic Drive Instruction Manual

May 24, 2024

MANUAL OJ DV GEN II LOCAL USER INTERFACE 670058 04/24 (MJL) © 2024 OJ Electronics A/S OJ Drives® A DRIVES PROGRAM DEDICATED TO VENTILATION SOLUTIONS Disclaimer OJ cannot be held liable for any errors in the material. OJ reserves the…

Brand: OJ Electronics

OJ Electronics ECD4-1991 All in One DIN Rail Thermostat with Schedule Instructions

May 23, 2024

ECD4-1991 All in One DIN Rail Thermostat with Schedule Instructions INTRODUCTION The ECD4-1991 All-in-one is an electronic on/ off thermostat for 1 or 2 NTC sensors located externally. An All-in-one thermostat for many application types: Electrical floor heating Frost protection…

Brand: OJ Electronics

OJ ELECTRONICS MWD5-UA-Voice Voice and WiFi Thermostat Instruction Manual

March 1, 2024

OJ ELECTRONICS MWD5-UA-Voice Voice and WiFi Thermostat Product Information Specifications Type: 2 Touch + Wifi + Voice Control Thermostat Purpose of control: Electrical underfloor heating Method of mounting: Wall mounting in a socket or mounting box Supply voltage: Max. pre-fuse…

Brand: OJ Electronics

ECD4-1991 All-in-one Thermostat Installation and User Manual

manual • June 15, 2026

Comprehensive installation and user guide for the OJ Electronics ECD4-1991 All-in-one thermostat. Includes safety instructions, wiring diagrams, troubleshooting, and technical specifications.

Brand: OJ Electronics

TTH-6040-W Modbus Temperature Sensor Instructions

instruction • May 23, 2026

Installation and operation guide for the TTH-6040-W Modbus-based room temperature sensor by OJ Electronics. Includes technical specifications, wiring diagrams, and configuration details.

Brand: OJ Electronics

OJ Electronics UTN4/ATN4 Thermostat Quick Start Guide - Underfloor Heating Control

quick start guide • March 6, 2026

Concise guide for installing and operating the OJ Electronics UTN4/ATN4 thermostat. Learn about temperature control, time setting, floor type selection, and GFCI/EGFPD testing for underfloor heating systems.

Brand: OJ Electronics

UDG/ADG Programmable Thermostat Quick Start Guide | OJ Electronics

Quick Start Guide • March 5, 2026

Quick start guide for the OJ Electronics UDG/ADG programmable thermostat, covering installation, technical data, safety warnings, and system controls for underfloor heating.

Brand: OJ Electronics

OJ Electronics UTN5 Touch Thermostat Quick Start and Mounting Guide

Startup Guide • February 24, 2026

This guide provides essential information for installing and operating the OJ Electronics UTN5 Touch Thermostat. It covers setup procedures, navigation, wiring, sensor connections, GFCI testing, and technical specifications for underfloor heating systems.

Brand: OJ Electronics

MWD5-1999-R3C3 Electronic Thermostat: Installation & Operation Guide - OJ Electronics

Instruction Manual • February 18, 2026

Comprehensive instructions for the OJ Electronics MWD5-1999-R3C3 electronic thermostat, covering installation, safety, operation, and technical specifications for electric underfloor heating systems. Includes related models OCD5, OWD5, MCD5.

Brand: OJ Electronics

OJ Electronics Type UDG, UCG, UTN, USG Thermostat Installation and User Manual

Instruction Manual • February 14, 2026

Comprehensive guide for OJ Electronics UDG, UCG, UTN, and USG series thermostats, covering installation, programming, operation, GFCI testing, and troubleshooting. Includes technical specifications and safety information.

Brand: OJ Electronics

OJ Electronics UTCG Type Thermostat User Manual

User Manual • February 11, 2026

User manual for the OJ Electronics UTCG Type thermostat (models UTCG-4991, UTCG-4999). Provides instructions on installation, daily operation, GFCI testing, troubleshooting failure codes, and technical specifications for this electronic temperature control device.

Brand: OJ Electronics

Manuel d'utilisation du thermostat Wi-Fi UWG5® à écran tactile

User Manual • January 24, 2026

Découvrez le thermostat Wi-Fi UWG5® d'OJ Electronics avec ce manuel d'utilisation. Apprenez à installer, configurer et utiliser ses fonctions avancées, y compris la connectivité intelligente avec Alexa et Google Assistant, pour un confort optimal et des économies d'énergie.

Brand: OJ Electronics

Manual de Uso del Termostato Táctil WiFi LED UWG5®

User Manual • January 24, 2026

Manual de uso completo para el termostato táctil WiFi LED UWG5® de OJ Electronics, que cubre instalación, configuración, funciones, integración de aplicaciones, solución de problemas y más.

Brand: OJ Electronics

UWG5® WiFi LED Touch Thermostat User Manual | OJ Electronics

user manual • January 24, 2026

Comprehensive user manual for the OJ Electronics UWG5® WiFi LED Touch Thermostat. Learn how to install, set up, connect to WiFi and smart home systems (Alexa, Google), use schedules, and troubleshoot.

Brand: OJ Electronics

UDG4 Touch Thermostat Interactive User Manual

User Manual • January 9, 2026

Explore the features and operation of the OJ Electronics UDG4 Touch Thermostat with this interactive user manual. Learn to program schedules, manage settings, and optimize your home's heating for comfort and energy efficiency.

Brand: OJ Electronics

OJ Microline UWG4-4999 WiFi Touch Screen Programmable Thermostat User Manual

UWG4-4999 • January 12, 2026 • Amazon

Comprehensive user manual for the OJ Microline UWG4-4999 WiFi Touch Screen Programmable Thermostat. Includes detailed instructions for installation, operation, maintenance, troubleshooting, and technical specifications for electric radiant floor heating systems.

Brand: OJ Electronics

OJ Microline UTN4-4999 Non-Programmable Thermostat User Manual

UDG-4999 • December 2, 2025 • Amazon

This manual provides comprehensive instructions for the installation, operation, and maintenance of the OJ Microline UTN4-4999 Non-Programmable Thermostat for radiant floor heating systems, featuring dual sensing and dual voltage capabilities.

Brand: OJ Electronics

OJ Electronics UTN-4991 Digital Non-Programmable Thermostat User Manual

UTN-4991 • November 19, 2025 • Amazon

Comprehensive user manual for the OJ Electronics UTN-4991 Digital Non-Programmable Thermostat, covering installation, operation, maintenance, and specifications for optimal under-floor heating control.

Brand: OJ Electronics

OJ Microline UDG4-4999 Thermostat User Manual

UDG4-4999-B • June 16, 2025 • Amazon

Comprehensive instruction manual for the OJ Microline UDG4-4999 Touch Screen Programmable Thermostat. Learn about installation, operation, programming, and maintenance for your radiant floor heating system, featuring dual sensing, dual voltage, and built-in GFCI.

Brand: OJ Electronics