Table of Contents

 

Hazard Definitions and Owner’s Information

3

Information To Be Used Only By Qualified Service Technicians

 

Weil McLain Burner Specification

4

General Information

5

Certifications/Approvals…………………………………………………………....................................................5

Notice Special Requirements

6

Inspect/Prepare Installation Site

7

Clearances to Burner and Appliance

7

Inspect Chimney or Direct Vent System

7

Combustion Air Supply

7

Safety Shutoff for Direct Vent System

7

Direct/Sidewall Venting Application

7

Fuel Line Installation

8

Fuel Line Valves and Filters

8

System Wiring

8

Prepare the Burner

9

General

9

Mount Burner on Appliance

9

Connect Fuel Lines

9

Wiring Connection Diagram

9

Start the Burner and Set Combustion

12

Start-up and Initial Settings

12

Set Combustion with Test Instruments

13

Cover Installation

13

Trained Service Technician’s Regular Maintenance

14

Removing Nozzle Line for Service

14

Nozzle Installation

15

Check/Adjust Electrodes

16

Check Retention Head Alignment and Cad Cell Sighting

16

Check/Adjust “Zero” Calibration

16

Blower Wheel Replacement

17

Replacement Parts Diagram

18

Replacement Parts Diagram

18

Replacement Parts List

19

Beckett Limited Warranty Information

20

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WM 550-141-996/1105 RWB 6104WMNX R1005

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Weil-McLain NX manual Table of Contents, Information To Be Used Only By Qualified Service Technicians

NX specifications

The Weil-McLain NX is a state-of-the-art boiler line that showcases the brand's commitment to energy efficiency, reliability, and innovative technology. Designed for both residential and commercial applications, the NX series is ideal for those seeking powerful heating solutions with minimal environmental impact.

One of the standout features of the Weil-McLain NX is its impressive efficiency rating. The boiler is designed to maximize energy use, ensuring that a greater percentage of fuel is converted into usable heat. This efficiency not only translates to lower utility bills for consumers but also reduces overall carbon emissions, making the NX an eco-friendly choice for heating.

The NX series boasts a robust cast-iron heat exchanger, which is known for its durability and longevity. Cast iron is not only resistant to thermal shock but also provides superior heat retention, enhancing the system's efficiency even further. This heat exchanger design allows for a longer lifecycle and reduced maintenance needs, making it a reliable option for homeowners and businesses alike.

In terms of technology, the Weil-McLain NX comes equipped with advanced control systems that provide precise temperature management and safety features. The intuitive control interface allows for easy adjustments, ensuring that users can tailor their heating experience to their specific needs. Features such as outdoor reset control and multiple stage modulation contribute to optimized performance and energy savings.

The NX is also designed with flexibility in mind. Its compact size allows for installation in a variety of spaces, making it suitable for retrofitting older systems. Additionally, the boiler is compatible with a range of heating applications, from radiant floor heating to baseboard systems, providing versatility in heating configurations.

As for safety, Weil-McLain has incorporated several safety features in the NX series. High-limit controls, flame rollout switches, and low water cutoff devices are standard, ensuring that the system operates safely and efficiently.

In summary, the Weil-McLain NX is a premium choice for anyone in the market for a reliable and efficient heating solution. With its high efficiency, durable construction, advanced technology, and versatile applications, the NX series stands out as a top contender in the boiler market, catering to the demands of modern heating needs while prioritizing sustainability and safety.