CGa,CGi,CGs,EG,EGH,LGB,PEG,PFGBoilers

Maintain boiler using schedule below

Service technician

(covered in Boiler Manual — for use only by a

qualified service technician)

 

Inspect:

 

• Reported problems

 

Boiler area

 

Air openings

 

• Flue gas vent system

 

Pilot and main burner flames

 

Water piping

-UP

Boiler heating surfaces

Burners, base and inlet air box

START

Service:

 

NNNUAL

Oiled-bearing circulators

Check/test:

 

Start-up:

 

Perform start-up per manual

A

• Gas piping

 

 

Cold fill and operating pressures

 

Air vents and air elimination

 

Limit controls and cutoffs

 

• Expansion tank

 

Boiler relief valve

 

Review:

Owner maintenance

(see following pages for instructions)

 

Check boiler area

Daily

• Check air openings

 

 

 

Check boiler pressure/

 

 

temperature gauge

 

 

 

 

Check boiler interior piping

 

• Check venting system

Monthly

Check air vents

 

 

 

Check boiler relief valve

 

Check automatic air vents (if

 

 

used)

 

 

 

Periodically

Test low water cutoff (if used)

 

 

 

Every 6 months

Operate relief valve

 

 

 

End of season • Shut down procedure

• Review with owner

Tankless water heater (EG and EGH

only)

requirements. Differential can be set to 15 ° and adjusted

If boiler is used to supply domestic hot water, limit

control should be set to supply adequate hot water.

to control level. Lowering the differential will cause a

Weil-McLain tankless heaters are rated at 200 °F boiler

slight variation in water temperature but will decrease

water temperature. To get rated output, set low limit at

burner on-off cycling. High limit should be set at least

200 °F. Limit can be adjusted to meet system hot water

20 ° above low limit.

6

Part Number 550-110-592/1000

Page 6
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Weil-McLain PFG, PEG, CGs, CGi, LGB manual Maintain boiler using schedule below, Tankless water heater EG and EGH Only

CGi, PFG, PEG, LGB, CGs specifications

Weil-McLain is a highly regarded manufacturer of boilers and hydronic heating systems, well-known for its innovative approach and commitment to quality. Among its extensive product lineup, the PEG, LGB, CGs, PFG, and CGi series stands out due to their advanced engineering, efficiency, and reliability. Each series caters to varying residential and commercial heating needs, making them versatile options for consumers.

The PEG series is recognized for its impressive efficiency ratings and robust construction. It utilizes a cast iron heat exchanger, which not only enhances heat retention but also ensures longevity. Its low water content and advanced control features allow for quick heating response times, making it ideal for homes requiring reliable heat. The PEG series is available in a range of sizes, ensuring a fit for any application.

The LGB series is tailored for light commercial applications, combining efficiency with remarkable performance. Built with Weil-McLain’s signature high-grade cast iron, the LGB models are designed for durability and ease of maintenance. They offer an impressive thermal efficiency and feature a compact design, making them suitable for installations where space is a concern. Advanced options such as multiple venting configurations contribute to their versatility, adapting to various building designs.

The CGs series is specifically designed for commercial applications and emphasizes efficiency through advanced technology, including an intelligent control system that optimizes operation based on demand. Its low NOx design helps meet stringent environmental standards, while its robust build ensures high performance under heavy load conditions. The CGs is often sought after for larger facilities requiring consistent and efficient heating.

Weil-McLain’s PFG series takes efficiency to the next level with its highly efficient gas-fired design. It features a light-weight configuration and quick-connect venting options, which simplify installation. This series is known for its low emissions and high energy efficiency, making it an eco-friendly choice for today’s environmentally conscious consumers.

Lastly, the CGi series is a standout for residential applications, offering flexibility and ease of use. The series features a cast iron heat exchanger and is compatible with various control systems, providing an adaptable and efficient solution for home heating.

Overall, Weil-McLain’s PEG, LGB, CGs, PFG, and CGi series exemplify the company’s dedication to quality, energy efficiency, and customer satisfaction, providing reliable heating solutions for diverse applications.