Installation & Operation Manual

4Sidewall direct venting (continued)

Sidewall termination – optional concentric vent models

Figure 4-8Concentric Vent Dimensional Drawing

NOTICE

Instead of cementing the smaller pipe to the

rain cap, a field-supplied stainless steel screw

 

 

may be used to secure the two (2)

 

components together when field disassembly

 

is desired for cleaning (see FIG. 4-9).

6.Install the Y concentric fitting and pipe assembly through the structure’s hole.

NOTICE

Do not allow insulation or other materials

to accumulate inside the pipe assembly

 

 

 

when installing through the hole.

￿WARNING

￿WARNING

When using the alternate screw assembly method, drill a clearance hole in the rain cap and a pilot hole in the vent pipe for the screw size being used. Failure to drill adequate holes may cause cracking of PVC components, allowing combustion products to be recirculated. Failure to follow this warning could result in personal injury or death.

Do not operate the appliance with the rain cap removed or recirculation of combustion products may occur. Water may also collect inside the larger combustion air pipe and flow to the burner enclosure. Failure to follow this warning could result in product damage or improper operation, personal injury, or death.

7.Install the rain cap and small diameter pipe assembly into the Y concentric fitting and large pipe assembly. Ensure small diameter pipe is bottomed and cemented in the Y concentric fitting.

8.Secure the assembly to the structure as shown in FIG. 4-10 using field-supplied metal strapping or equivalent support material.

NOTICE

Ensure termination location clearance

dimensions are as shown in FIG. 4-6.

 

 

If assembly needs to be extended to allow

NOTICE

sidewall thickness requirement, the two

 

 

(2) pipes supplied in the kit may be

 

replaced by using the same diameter, field-

 

supplied SDR-26 PVC (D2241) pipe. Do

 

not extend dimension D more than 60

 

inches (see FIG. 4-8).

Figure 4-9Rain Cap to Vent Pipe Alternate Assembly

NOTICE

If assembly needs to be reduced,

dimension D can be as short as possible.

 

25

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Lochinvar 51 operation manual Sidewall termination optional concentric vent models, 8Concentric Vent Dimensional Drawing
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51 specifications

Lochinvar 51 is an innovative and robust residential boiler system designed for high-efficiency heating needs. A popular choice among homeowners, the Lochinvar 51 stands out in the market due to its advanced features and eco-friendly technologies.

One of the main features of Lochinvar 51 is its compact design, making it ideal for installation in limited space environments such as attics or closets. Despite its small footprint, it boasts a powerful heating capacity, suitable for varying home sizes. The boiler operates with a modulating gas burner that allows it to adjust its heat output according to the demand, ensuring efficiency and comfort throughout the day.

The Lochinvar 51 employs a cutting-edge heat exchanger made from stainless steel, which is highly durable and resistant to corrosion. This design not only enhances the boiler's performance but also increases its lifespan. The unit offers impressive AFUE (Annual Fuel Utilization Efficiency) ratings, showcasing its capability to convert a significant portion of fuel into usable heat, thus minimizing energy waste and reducing heating costs.

Technologically, the Lochinvar 51 is equipped with advanced control systems that facilitate precise temperature management. The intuitive interface allows homeowners to easily set their desired temperature and monitor the system’s performance. Additionally, the integration of outdoor reset technology helps optimize energy consumption by adjusting the water temperature based on outside weather conditions, leading to further energy savings.

Safety features are also paramount in the Lochinvar 51. It includes built-in safeguards that monitor pressure and temperature, automatically shutting down the system in case of any irregularities. This not only protects the boiler but also ensures peace of mind for users.

Moreover, Lochinvar 51 supports compatibility with smart home systems, providing homeowners with remote control capabilities via mobile devices. This innovative feature enhances user convenience, allowing for easy adjustments and monitoring of the heating system from anywhere.

In conclusion, the Lochinvar 51 is an exceptional choice for homeowners looking for a reliable, efficient, and technologically advanced heating solution. With its impressive heating capacity, durable design, and innovative control features, it sets a high standard in residential boiler performance, making it a top contender in today’s market.
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