Installation & Operation Manual

3 Boiler side piping

Figure 3-2Piping Diagram Zoned with Valves

 

 

ZONE #1

PRESSURE

PRESSURE

 

REDUCING VALVE

GAUGE

 

BACKFLOW

 

 

PREVENTER

 

 

 

 

SYSTEM SUPPLY

MAKE UP WATER

SENSOR

 

 

(WHEN USED)

AIR SEPARATOR

 

SYSTEM

 

 

CIRCULATOR

ZONE #2 ZONE #3 ZONE #4

ZONE VALVES

(TYPICAL)

DIFFERENTIAL

PRESSURE BYPASS

VALVE (IF USED)

EXPANSION TANK

DRAIN POINT (TYPICAL)

BALL VALVE (TYPICAL)

NOT TO EXCEED 4 PIPE DIA.

OR A MAXIMUM OF 12" APART

Y-STRAINER

BOILER

CIRCULATOR

HOT

WATER

OUT

ANTI-SCALD

MIXING VALVE

COLD

WATER

IN

RELIEF VALVE

TANK SENSOR/

AQUASTAT

UNION

(TYPICAL)

TEMPERATURE /

PRESSURE

GAUGE

DRAIN

SOLUTION

PRESSUREBOILER

RELIEF VALVE

 

RECIRCULATION

 

PUMP

 

CHECK VALVE

SQUIRE

DRAIN

( FIELD SUPPLY )

NOTICE

NOTICE

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 SIT119, SIT030 operation manual 2Piping Diagram Zoned with Valves

SIT030, SIT119 specifications

Lochinvar is a renowned manufacturer of high-efficiency heating solutions, including a range of commercial and residential boilers. Among their offerings are the Lochinvar SIT119 and SIT030 models, which exemplify the brand's commitment to innovation and efficiency in modern heating systems.

The Lochinvar SIT119 is designed for medium to large residential applications, boasting a powerful heating capacity. This model features a robust stainless steel heat exchanger that not only enhances durability but also promotes optimal heat transfer. As part of Lochinvar’s commitment to energy efficiency, the SIT119 incorporates advanced features such as a modulating burner system that adjusts the flame output based on the heating demand, resulting in lower energy consumption and reduced operational costs.

In addition to its efficiency, the SIT119 is equipped with user-friendly controls that allow homeowners and technicians to easily manage and monitor the system. Its intuitive digital display provides real-time information on system performance and diagnostic capabilities, facilitating maintenance and troubleshooting. Furthermore, the SIT119’s compact design enables versatile installation options, making it suitable for various residential spaces.

On the other hand, the Lochinvar SIT030 is tailored for smaller residential applications. Despite its smaller size, it doesn’t compromise on performance or efficiency. This model also features a high-quality stainless steel heat exchanger, ensuring longevity and consistent heating performance. Like the SIT119, the SIT030 utilizes a modulating burner system to optimize energy use, making it an environmentally friendly choice for homeowners seeking effective heating solutions.

One notable characteristic of the SIT030 is its low NOx emission design, which aligns with contemporary environmental standards and helps reduce the carbon footprint associated with heating. Additionally, both models support easy integration with existing heating systems and can be paired with renewable energy sources, such as solar thermal systems, maximizing their efficiency and sustainability.

In summary, the Lochinvar SIT119 and SIT030 models stand out in the heating market, combining advanced technologies with high efficiency and user-friendly features. Their stainless steel construction, modulating burners, compact design, and emissions compliance make them excellent choices for homeowners looking to invest in reliable and eco-conscious heating solutions. With these models, Lochinvar continues to lead in producing innovative products that meet the evolving demands of the heating industry.