Manuals / Lochinvar / Household Appliance / Boiler

Lochinvar 51 operation manual Model

Models: 51

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Installation & Operation Manual

6Hydronic piping

Figure 6-7Multiple Boilers - Multiple Temperatures with DHW Piped as a Zone

Model

 

 

Number of Units

 

 

2

3

4

5

6

 

7

8

 

 

 

Required Pipe Sizes

 

 

51

1"

1-1/4"

1-1/2"

2"

2"

 

2"

2"

81

1-1/4"

1-1/2"

2"

2"

2-1/2"

2-1/2"

2-1/2"

106

1-1/2"

2"

2"

2-1/2"

2-1/2"

2-1/2"

3"

151

2"

2"

2-1/2"

2-1/2"

3"

3-1/2"

3-1/2"

211

2"

2-1/2"

3"

3-1/2"

3-1/2"

 

4"

4"

 

 

 

 

 

 

 

 

 

PRESSURE

TEMPERATURE

TEMPERATURE

TEMPERATURE

 

 

 

 

 

 

 

 

 

BACKFLOW

 

 

 

REDUCING VALVE

 

LOOP #1

 

LOOP #2

 

LOOP #3

 

 

 

 

PREVENTER

 

 

 

 

PRESSURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAUGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAKE

 

 

UP

SYSTEM

MIXING VALVES

WATER

(TYPICAL)

 

SUPPLY

 

 

SENSOR

 

AIR SEPARATOR

EXPANSION

TANK

MAY SUBSTITUTE

LOW LOSS HEADER

NOT TO EXCEED 4 PIPE DIA OR MAX. OF 12" APART

BALL VALVE

(TYPICAL)

DRAIN POINT

(TYPICAL)

 

DOMESTIC

 

 

HOT WATER

FLOW CHECK

Y-STRAINER

CIRCULATOR

(RECOMMENDED)

 

VALVE

 

 

 

 

ANTI-SCALD

 

 

MIXING VALVE

BOILER

 

 

CIRCULATOR

 

 

BOILER

BOILER

HOT

WATER

OUT

COLD

WATER

IN

DRAIN

UNION

 

TEMPERATURE /

 

 

INDIRECT

(TYPICAL)

 

PRESSURE GAUGE

 

 

 

DHW TANK

CAUTION

NOTICE

NOTICE

Mixing valves are required for the protection of low temperature loops.

Please note that these illustrations are meant to show system piping concept only, the installer is responsible for all equipment and detailing required by local codes.

Please note that the installer is responsible for ensuring DHW prioritization when piped as a zone.

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Lochinvar 51 operation manual Model
Page 41 Page 43

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.