Lochinvar operation manual Installation & Operation Manual, Models SIT030 SIT119

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SIT-I-O Rev H

Installation & Operation

Manual

Models: SIT030 - SIT119

CAUTION: The heat transfer medium must be water or other nontoxic fluid having a toxicity rating or class of 1, as listed in Clinical Toxicology of Commercial Products, 5th edition.

The pressure of the heat transfer medium must be limited to a maximum of 30 PSIG by an approved safety or relief valve.

￿WARNING

This manual must only be used by a qualified heating installer / service technician. Read all instructions before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage.

Save this manual for future reference.

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Contents Models SIT030 SIT119 Installation & Operation ManualContents Indirect water heater operation Please read before proceedingOperating restrictions General informationSingle-wall heat exchanger Component MaterialsLocating the tank Pre-installationRecommended clearances Water Chemistry RequirementsBoiler side piping Pressure Drop ChartPressure Drop Values 1Piping Diagram Zoned with Circulators 2Piping Diagram Zoned with Valves 3Knight Boiler Primary / Secondary Piping 4Multiple Tank Connections Basic domestic piping Domestic side tank pipingDomestic water piping for distant fixtures Multiple tank domestic water pipingStandard Installation Install drain valveSIT050 105,000 SIT065 200,000 SIT080 SIT119 Btu/hr2Recommended Domestic Water Piping Indirect water heater sensor setup Knight boiler WiringInstall tank sensor Connect tank sensor2Wiring for Zone Control Start-up and check-out Maintenance Schedule MaintenanceHomeowner monthly maintenance to include To Fill the Water HeaterPerformance data Estimate your peak hour demand as follows How to properly Size Your Indirect Water HeaterFixture Count Guide 110First Hour Rating 180F Boiler Loop Water Knight Boiler First Hour Rating 180F Boiler Loop Water Universal Sizing First Hour Rating 200F Boiler Loop Water Universal Sizing

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.