! CAUTION

Hazard Definitions

 

 

 

Indicates a hazardous situ-

! DANGER

 

ation, which, if not avoided,

 

will result in death or serious injury.

 

Indicates a hazardous

! WARNING

 

situation, which, if not

 

avoided, could result in death or serious injury.

Indicates a hazardous situation, which, if not

avoided, could result in minor or moderate injury.

Within the boundaries of the hazard warning, there will be information presented describing consequences if the warning is not heeded and instructions on how to avoid the hazard.

NOTICE Intended to bring special attention to information, but not related to personal injury or property damage.

General Information

!WARNING Owner’s Responsibility

Incorrect installation, adjustment, and use of this burner could result in severe personal injury, death, or sub- stantial property damage from fire,

carbon monoxide poisoning, soot or explosion.

Contact a professional, qualified service agency for the installation, adjustment and service of your oil heating system. This work requires technical training, trade ex- perience, licensing or certification in some states and the proper use of special combustion test instruments.

Please carefully read and comply with the following instructions:

yNever store or use gasoline or other flammable liquids or vapors near this burner or appliance.

yNever attempt to burn garbage or refuse in this appliance.

yNever attempt to light the burner/appliance by throwing burning material into the appliance.

yNever attempt to burn any fuel not specified and approved for use in this burner.

yNever restrict the air inlet openings to the burner or the combustion air ventilation openings in the room.

NOTICE This manual contains information that applies to both AF and AFG burners. These burners may appear to be basically identical, but there are differences in design and performance. Please review the comparison chart below:

Feature

AF

AFG

Static Pressure Capability

Conventional - Low range

Enhanced - Medium range

Blower Wheel Design

Standard strip

Special tablock

 

 

 

Inlet Airflow Design

Standard inlet bell

Special airguide

UL Air Tube Combinations

“F” Series ONLY

“F” or “M” Series

Igniter Gaskets Baseplate/Barrier

Optional, as specified

Required, always specified

Low Firing Rate Baffle

Not required

Required, per specification

Figure 1. Burner label location

6104BAFG R06

Page 3

Page 4
Image 4
Weil-McLain UO-4 CV manual Hazard Definitions, General Information, Indicates a hazardous situ, Ation, which, if not avoided

UO-3 CV, UO-4 CV, UO-5 CV specifications

Weil-McLain is a well-respected name in the heating industry, recognized for its high-quality and efficient boiler systems. Among its notable offerings are the UO-3 CV, UO-4 CV, and UO-5 CV models, all of which showcase advanced engineering and innovative technology tailored for residential and commercial applications.

The UO-3 CV boiler is designed for mid-sized heating requirements, boasting a strong output capacity that balances efficiency with performance. It features a compact size, suitable for smaller installations, without sacrificing power. The boiler is equipped with a durable cast iron heat exchanger that provides excellent thermal efficiency and longevity, ensuring reliable operation over the years. Its easy access for maintenance also makes it a popular choice among HVAC professionals.

Moving to the UO-4 CV model, this boiler builds on the success of the UO-3 with an increased output capacity, making it ideal for larger residential or light commercial spaces. The UO-4 CV incorporates Weil-McLain’s advanced combustion technology, which optimizes fuel use and significantly reduces emissions. This model maintains a compact design while enhancing overall performance through improved heat transfer and reduced standby losses. The UO-4 CV's user-friendly features, including easy-to-use controls and a diagnostic system, streamline operational efficiency.

The UO-5 CV further solidifies Weil-McLain's commitment to excellence with its highest output among the three. This boiler is particularly suited for extensive heating demands, making it popular among larger commercial installations. The UO-5 CV also employs cutting-edge technology, including advanced controls for precise temperature regulation and an efficient system designed to minimize energy consumption. Its robust construction ensures it can handle heavy use while remaining reliable, even in challenging environments.

In summary, the Weil-McLain UO series, including the UO-3 CV, UO-4 CV, and UO-5 CV, represents a perfect blend of efficiency, innovation, and reliability. All models utilize durable materials, advanced engineering, and state-of-the-art technologies that define Weil-McLain's reputation for quality in hydronic heating solutions. Whether for residential or commercial applications, these boilers serve as dependable sources of heat, catering to various needs while maintaining energy efficiency and lower emissions.