Reznor Heater Wiring Diagram

Reznor heaters are widely used in commercial and industrial applications. They provide efficient heating solutions for large areas and buildings. However, installing and wiring a Reznor heater can be challenging if you don’t have the right information. In this article, we will provide a comprehensive guide on Reznor heater wiring diagrams.

Overview

Before we dive into the wiring diagrams, let’s first understand the basics of Reznor heaters. Reznor heaters are gas-fired unit heaters that are designed to provide space heating for commercial and industrial buildings. These heaters are available in different sizes and configurations, making them suitable for a wide range of applications.

Reznor heaters work by burning natural gas or propane to produce heat. The heat is then transferred to the air, which is then distributed through the building’s ductwork or ventilation system. The heaters are equipped with a variety of safety features, such as a high-limit switch and a flame sensor, to ensure safe operation.

Wiring Diagrams

The wiring diagram for a Reznor heater varies depending on the model and type of heater. However, most Reznor heaters follow a similar wiring configuration. In this section, we will provide wiring diagrams for different types of Reznor heaters.

Reznor UDAP/UDAS

The Reznor UDAP/UDAS unit heater is a popular choice for commercial and industrial applications. The heater features a durable design and an efficient heat exchanger. The wiring diagram for the UDAP/UDAS heater is as follows:

Wire Color Description
Black Main power supply
White Neutral
Green Ground
Red Thermostat
Yellow High-limit switch
Blue Flame sensor

To wire the UDAP/UDAS heater, follow these steps:

  1. Turn off the power supply to the heater.
  2. Connect the black wire from the power supply to the black wire on the heater.
  3. Connect the white wire from the power supply to the white wire on the heater.
  4. Connect the green wire from the power supply to the green wire on the heater.
  5. Connect the red wire from the thermostat to the red wire on the heater.
  6. Connect the yellow wire from the high-limit switch to the yellow wire on the heater.
  7. Connect the blue wire from the flame sensor to the blue wire on the heater.
  8. Turn on the power supply to the heater.

Reznor V3 Series

The Reznor V3 Series is a high-efficiency unit heater that features a tubular heat exchanger. The wiring diagram for the V3 Series heater is as follows:

Wire Color Description
Black Main power supply
White Neutral
Green Ground
Red Thermostat
Yellow High-limit switch
Blue Flame sensor
Purple Low-voltage terminal

To wire the V3 Series heater, follow these steps:

  1. Turn off the power supply to the heater.
  2. Connect the black wire from the power supply to the black wire on the heater.
  3. Connect the white wire from the power supply to the white wire on the heater.
  4. Connect the green wire from the power supply to the green wire on the heater.
  5. Connect the red wire from the thermostat to the red wire on the heater.
  6. Connect the yellow wire from the high-limit switch to the yellow wire on the heater.
  7. Connect the blue wire from the flame sensor to the blue wire on the heater.
  8. Connect the purple wire to the low-voltage terminal on the heater.
  9. Turn on the power supply to the heater.

FAQ

How do I know if my Reznor heater is wired correctly?

To know if your Reznor heater is wired correctly, check if the heater is receiving power and if the thermostat is working properly. You can also check the wiring diagram to ensure that the wiring is correct.

What should I do if my Reznor heater is not heating?

If your Reznor heater is not heating, check if the heater has power and if the thermostat is set to the correct temperature. You should also check the wiring diagram to ensure that the wiring is correct. If these steps don’t resolve the issue, you should contact a qualified technician for assistance.

Can I use a Reznor heater in a residential setting?

Reznor heaters are designed for commercial and industrial use and are not recommended for residential settings. However, Reznor does offer residential heating solutions that are specifically designed for homes.

What is the warranty on a Reznor heater?

The warranty on a Reznor heater varies depending on the model and type of heater. You should check the product manual or contact Reznor for the specific warranty information.

How often should I have my Reznor heater serviced?

Reznor heaters should be serviced at least once a year to ensure safe and efficient operation. You should contact a qualified technician for servicing and maintenance.