Manual do usuário do termostato não programável OJ Microline UTN4-4999

1. Introdução

This manual provides detailed instructions for the installation, operation, and maintenance of your OJ Microline UTN4-4999 (Model UDG-4999) Non-Programmable Thermostat. This thermostat is designed for electric radiant floor heating systems and features dual sensing (air and floor) and dual voltage capabilities (120V & 240V). It includes a built-in Class A GFCI for enhanced safety.

The OJ Microline UTN4-4999 offers straightforward temperature control without complex programming, making it ideal for users seeking a simple and effective solution for their floor heating needs.

Figura 1: Frente view of the OJ Microline UTN4-4999 Non-Programmable Thermostat, displaying time and temperature.

2. Informações de segurança

Instruções importantes de segurança:

• Risco elétrico: Installation must be performed by a qualified electrician in accordance with local and national electrical codes. Disconnect power at the circuit breaker before installation or servicing.
• Interruptor de circuito de falha à terra (GFCI): This thermostat includes a built-in Class A GFCI, which is required for all underfloor heating systems. Test the GFCI regularly as per local codes and manufacturer recommendations.
• Volumetage Compatibilidade: Verifique se o volume do termostato está correto.tage (120V or 240V) matches your heating system's voltage.
• Sensor de chão: The included floor sensor must be properly installed to prevent overheating and ensure accurate temperature control.
• Não mergulhe the thermostat or sensor in water.
• Não opere the thermostat with damaged wiring or if it has been dropped or damaged.

Figure 2: The OJ Microline thermostat installed in a bathroom, highlighting its sleek design and integration.

3. Configuração e instalação

Installation of the OJ Microline UTN4-4999 thermostat requires adherence to electrical safety standards. It is recommended that a qualified electrician performs the installation.

3.1 Lista de verificação de pré-instalação

• Verify that the power supply to the heating system is disconnected at the main circuit breaker.
• Confirme o volumetage of your heating system (120V or 240V) matches the thermostat's capabilities.
• Ensure you have all necessary tools: screwdriver, wire strippers, electrical tape, etc.
• Locate a suitable wall box for mounting the thermostat.

3.2 Diagrama de fiação

Refer to the wiring diagram below for proper connection. All connections must be secure and comply with local electrical codes.

Figure 3: Detailed wiring diagram and technical specifications for the thermostat. Shows connections for House Ground, Neutral, Hot from Power Source, and To Heater.

3.3 Floor Sensor Installation

The 10Kohm floor sensor is included and essential for floor temperature control and protection. Install the sensor cable in a conduit or directly within the floor heating system, ensuring it is positioned centrally between heating elements for accurate readings. Do not cut or splice the sensor cable unless specifically instructed by the heating system manufacturer.

Figure 4: The included OJ Microline floor sensor, a black cable with a small probe at the end.

3.4 Montagem do Termostato

• After wiring, carefully push the thermostat into the wall box.
• Secure the thermostat to the wall box using the provided screws.
• Fixe a placa frontal.
• Restaure a energia no disjuntor.

4. Operação

The OJ Microline UTN4-4999 is a non-programmable thermostat designed for simple and direct temperature control.

4.1 Ajuste da temperatura

To adjust the desired temperature (setpoint), use the Up e Abaixo arrow buttons located below the display. The display will show the current temperature and the setpoint. The heating system will activate or deactivate to maintain the setpoint.

Figure 5: A hand interacting with the thermostat's buttons to adjust the temperature setting.

Modos de controle 4.2

The thermostat offers three control modes, selectable based on your heating requirements and floor type:

• (A) Ambient temperature with Floor protection: The thermostat controls based on the room's air temperature, but will limit the floor temperature to prevent overheating, especially important for sensitive floor coverings like laminate or engineered wood.
• (B) Floor temperature with Floor protection: The thermostat controls directly based on the floor sensor reading, also with an upper limit for floor protection. This mode is ideal for maintaining a consistent floor surface temperature.
• (C) Ambient temperature without Floor protection: The thermostat controls solely based on the room's air temperature, without an upper limit on floor temperature. Use this mode only if your floor covering can withstand high temperatures.

Consult your heating system installer or the thermostat's advanced settings (if available, refer to the full technical manual for details) to select the appropriate control mode.

5. Manutenção

The OJ Microline UTN4-4999 thermostat is designed for minimal maintenance.

• Limpeza: Limpe a superfície do termostato com um pano macio e seco.amp cloth. Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the display or casing.
• Teste GFCI: Regularly test the built-in GFCI as per local electrical codes, typically monthly. Press the "TEST" button on the thermostat. The display should indicate a trip, and the heating will turn off. Press the "RESET" button to restore normal operation. If the GFCI does not trip or reset, contact a qualified electrician.
• Inspeção: Periodically inspect the thermostat and wiring for any signs of damage or loose connections. If any issues are found, disconnect power and consult a qualified electrician.

6. Solução De Problemas

Se você estiver com problemas no seu termostato, consulte os problemas comuns e suas soluções a seguir:

Se o problema persistir após tentar essas soluções, entre em contato com o suporte ao cliente ou com um eletricista qualificado.

7. Especificações

Figure 6: Key features of the thermostat including energy efficiency, simple operation, dual sensing, and built-in GFCI.

8. Informações de garantia

The OJ Microline UTN4-4999 Thermostat comes with a manufacturer's limited Garantia de 3 anoEsta garantia cobre defeitos de materiais e de fabricação sob uso e serviço normais. Guarde seu comprovante de compra para eventuais solicitações de garantia.

For detailed warranty terms and conditions, please refer to the documentation included with your product or visit the OJ Electronics official website.

9. Suporte ao cliente

For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact OJ Electronics customer support.

• Suporte online: Visit the official OJ Electronics website for FAQs, additional resources, and contact forms.
• Suporte por e-mail: Consulte a embalagem do produto ou o manual oficial. website for specific email addresses.
• Suporte por telefone: Consulte a embalagem do produto ou o manual oficial. webSite com números de telefone de atendimento ao cliente.

When contacting support, please have your product model number (UDG-4999) and purchase date available.