1. Introdución
The Reznor UDXC series natural gas heaters are designed to provide efficient and reliable heating for a variety of indoor spaces. These units are ideal for commercial, industrial, and residential applications such as garages, workshops, warehouses, and factories. The UDXC-60 model, with its 60,000 BTU output, offers quiet forced air heating, ensuring a comfortable environment while minimizing operational noise.
This manual provides essential information for the safe and effective installation, operation, and maintenance of your Reznor UDXC-60 unit heater. Please read all instructions thoroughly before proceeding with installation or use.

Figura 1: Fronte view of the Reznor UDXC-60 Natural Gas Unit Heater.
2. Información de seguridade
AVISO: Este produto pode expoñelo a produtos químicos, incluídos chumbo e compostos de chumbo, que o Estado de California sabe que causan cancro, defectos de nacemento ou outros danos reprodutivos. Para máis información visite www.P65Warnings.ca.gov.
- Installation and service must be performed by a qualified installer, service agency, or gas supplier. Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death.
- Ensure adequate ventilation in the installation area to prevent carbon monoxide buildup.
- Non almacene nin use gasolina ou outros vapores e líquidos inflamables nas proximidades deste ou de calquera outro aparello.
- Keep the area around the heater clear and free from combustible materials.
- Always follow all local and national codes and regulations for gas appliance installation and operation.
3. Configuración e instalación
The Reznor UDXC-60 unit heater is designed for versatile mounting and venting options. Professional installation is highly recommended to ensure safety and compliance with all applicable codes.
3.1 Montaxe
The unit features threaded-nut retainers at four suspension points, allowing for secure installation as a ceiling-mounted hanging furnace or a wall-mounted heater. Mounting brackets are sold separately. Ensure the mounting structure can safely support the weight of the unit.

Figure 2: Unit heater showing suspension points and external gas connection.

Figura 3: Example of a mounting bracket (sold separately).
3.2 Ventilación
Proper venting is crucial for safe operation. The UDXC-60 is compatible with:
- Category 1 double wall B-vent when venting vertically out of a roof.
- Category 3 single wall vent pipe when vented horizontally through a sidewall.
Consult the detailed installation instructions provided with the unit for specific venting requirements and clearances.
3.3 Conexión eléctrica
The unit requires a 24V electrical connection, accessible via an external terminal strip. All electrical wiring must comply with local and national electrical codes and be performed by a licensed electrician.

Figura 4: Máisview of simplified installation features including electrical connections.
4. Instrucións de funcionamento
The Reznor UDXC-60 is designed for efficient and quiet operation, providing consistent heat for your space.
4.1 niveis de calefacción
The UDXC-60 offers two heating output levels to adapt to varying temperature needs:
- Low Fire: 34,860 BTU, suitable for milder cool days.
- Incendio alto: 49,800 BTU, for the coldest times of the year.
The unit achieves an 83% thermal efficiency rating, ensuring effective heat delivery.

Figure 5: Illustration of the heater's heating flexibility with two BTU outputs.
4.2 Quiet Forced Air Heating
UDXC models are engineered for quiet operation, featuring a vibration/noise isolated low static pressure axial propeller fan and a power venting system. This design provides optimal performance in most indoor environments without excessive noise, making them ideal for spaces where sound levels are a concern.

Figure 6: Diagram illustrating efficient air circulation and heat distribution.

Figure 7: Key features highlighting quiet operation and durable design.
5. Mantemento
Regular maintenance ensures the longevity and efficient operation of your Reznor UDXC-60 heater. Always disconnect power and gas supply before performing any maintenance.
- Inspección anual: It is recommended to have a qualified service technician inspect the unit annually, especially before the heating season.
- Limpeza: Keep the fan blades and heat exchanger clean from dust and debris. The improved cabinet design with a removable front face and a hinged access door panel with a quarter-turn latch facilitates easier access for cleaning and inspection.
- Vent System Check: Periodically inspect the vent system for any obstructions, leaks, or damage.
- Gas Connection Check: Ensure all gas connections are secure and free from leaks.
6 Solución de problemas
The Reznor UDXC-60 features an integrated circuit board with a 7-segment display and a status-indicating LED for simplified troubleshooting. Refer to the unit's display for error codes and status indicators.
- No Heat/Unit Not Starting:
- Comprobe a configuración do termostato.
- Verify the gas supply is on.
- Ensure the power supply is connected and the built-in disconnect switch is engaged.
- Check the 7-segment display for error codes.
- Ruídos pouco comúns:
- Inspect the fan for obstructions or damage.
- Ensure the unit is securely mounted and free from vibrations.
- Poor Heating Performance:
- Check for proper air circulation and clear any obstructions around the unit.
- Ensure the correct heating level (low/high fire) is selected for the ambient temperature.
For persistent issues or complex problems, contact a qualified service technician.
7. Especificacións
| Característica | Detalle |
|---|---|
| Marca | Reznor (Distributed by 1HVAC) |
| Número de modelo | UDXC-60 |
| Saída de calor | 60,000 BTU (Two levels: Low Fire 34,860 BTU / High Fire 49,800 BTU) |
| Eficiencia térmica | 83 % |
| Tipo de combustible | Gas Natural |
| Uso interior/exterior | Interior |
| Dimensións do produto (P x A x A) | 32.72" x 27" x 16.75" |
| Tipo de montaxe | Ceiling Mount, Wall Mount (using suspension points) |
| Tipo de habitación | Garage, Commercial, Industrial |
| Característica especial | Fast Heating, Quiet Operation, Integrated Circuit Board with Display |
| Intercambiador de calor | TCORE2 Titanium-Stabilized Aluminized Steel |
| Data de primeira dispoñibilidade | 14 de xullo de 2023 |

Figure 8: Key dimensions of the UDXC-60 unit heater.

Figura 9: Máisview of standard features including efficiency and heat exchanger material.
8. Información da garantía
The Reznor UDXC-60 unit heater comes with the following warranty coverage:
- 9 anos: Heat Exchanger, Burner, and Flue Collection Box Assembly.
- 4 anos: All Electrical and Mechanical Components.
To ensure a valid warranty, installation must comply with all local and state codes. Retain your proof of purchase and installation records for warranty claims.
9. Soporte e contacto
For further assistance, technical support, or to purchase accessories and replacement parts, please refer to the contact information provided by your retailer or visit the official Reznor website. Always provide your model number (UDXC-60) when seeking support.
For more information about Reznor's commitment to quality and innovation, you can visit the 1HVAC Store on Amazon.





