Lochinvar SIT030, SIT119 operation manual First Hour Rating 200F Boiler Loop Water Universal Sizing

Page 23

Installation & Operation Manual

8 Performance data (continued)

Table 8D First Hour Rating 200°F Boiler Loop Water (Universal Sizing)

Model

Circulator Flow

GPM

Domestic Outlet

		45,000
		60,000
	Capacity	75,000
	Capacity	95,000
		95,000
	Heating	115,000
	Heating	140,000
		140,000
	Boiler	165,000
	Boiler	195,000
		195,000
		225,000
		260,000
		295,000
		325,000

MAX BTU INPUT

First Hour Rating - 200°F Boiler Loop Water

(Universal Sizing - 45,000 - 295,000)

							SIT030																	SIT040																		SIT050
	5			8			12			16				20				5			8			12				16				20				5			8			12				16				20
	5			8			12			16				20				5			8			12				16				20				5			8			12				16				20
115		140	115		140		115			115		140		115		140	115		140		115		140	115		140		115		140		115		140	115		140		115		140	115		140		115		140		115		140
115		140	115		140		115	140		115		140		115		140	115		140		115		140	115		140		115		140		115		140	115		140		115		140	115		140		115		140		115		140
105		84	105		84												118		97		118		97												132		109		132		109
105		84	105		84												118		97		118		97												132		109		132		109
133		104	133		104												145		117		145		117												160		130		160		130
160		124	160		124												173		137		173		137												188		151		188		151
197		151	197		151		197										209		163		209		163	209											226		179		226		179	226
197		151	197		151		197	151									209		163		209		163	209		163									226		179		226		179	226		179
224		171	233		176		233	176		233							245		190		245		190	245		190		245							263		206		263		206	263		206		263
224		171	233		176		233	176		233		176					245		190		245		190	245		190		245		190					263		206		263		206	263		206		263		206
			255		194		277	210		277		210		277			271		209		291		224	291		224		291		224		291			295		230		311		241	311		241		311		241		311
			255		194		277	210		277		210		277		210	271		209		291		224	291		224		291		224		291		224	295		230		311		241	311		241		311		241		311		241
							277	210		308		232		317		240								335		256		335		256		335		256	295		230		329		254	358		276		358		276		358		276
							277	210		308		232		317		240								335		256		335		256		335		256	295		230		329		254	358		276		358		276		358		276
										308		232		352		265								335		256		362		276		375		285					329		254	375		288		399		306		404		309
										308		232		352		265								335		256		362		276		375		285					329		254	375		288		399		306		404		309
																																										375		288		399		306		404		309
																																										375		288		399		306		404		309
																																																		404		309
																																																		404		309
107695										153900							129980																		131965

			126355				140102							184539							151466			164149				178059				186356							159672			172739				187562				189713

Model

Circulator Flow

GPM

Domestic Outlet

		45,000
		60,000
		75,000
	Capacity	95,000
	Capacity	115,000
		115,000
	Heating	140,000
	Heating	165,000
	Boiler	165,000
	Boiler	195,000
		195,000
		225,000
		260,000
		295,000
		325,000

MAX BTU INPUT

First Hour Rating - 200°F Boiler Loop Water

(Universal Sizing - 45,000 - 295,000)

							SIT065																	SIT080																		SIT119
	5			8			12			16				20				5			8			12				16				20				5			8			12				16				20
	5			8			12			16				20				5			8			12				16				20				5			8			12				16				20
115		140	115		140		115			115		140		115		140	115		140		115		140	115		140		115		140		115		140	115		140		115		140	115		140		115		140		115		140
115		140	115		140		115	140		115		140		115		140	115		140		115		140	115		140		115		140		115		140	115		140		115		140	115		140		115		140		115		140
150		127	150		127												161		138		161		138												194		171		194		171
150		127	150		127												161		138		161		138												194		171		194		171
179		148	179		148												189		159		189		159												222		192		222		192
207		169	207		169												218		180		218		180												250		213		250		213
245		197	245		197		245										255		208		255		208	255											288		241		288		241	288
245		197	245		197		245	197									255		208		255		208	255		208									288		241		288		241	288		241
283		225	283		225		283	225		283							293		236		293		236	293		236									325		268		325		268	325		268
283		225	283		225		283	225		283		225					293		236		293		236	293		236									325		268		325		268	325		268
331		260	331		260		331	260		331		260		331			341		270		341		270	341		270		341							373		303		373		303	373		303		373
331		260	331		260		331	260		331		260		331		260	341		270		341		270	341		270		341		270					373		303		373		303	373		303		373		303
350		274	377		294		377	294		377		294		377		294	374		295		386		304	386		304		386		304		386			419		337		419		337	419		337		419		337		419
350		274	377		294		377	294		377		294		377		294	374		295		386		304	386		304		386		304		386		304	419		337		419		337	419		337		419		337		419		337
350		274	391		305		432	337		432		338		432		329	374		295		440		343	440		343		440		343		440		343	479		381		479		381	479		381		479		381		479		381
			391		305		445	345		487		375		487		375					440		343	475		369		498		386		498		386					533		422	533		422		533		422		533		422
			391		305		445	345		487		375		487		375					440		343	475		369		498		386		498		386					533		422	533		422		533		422		533		422
										495		381		499		384								475		369		525		406		536		414								601		470		601		470		601		470
										495		381		499		384								475		369		525		406		536		414								601		470		601		470		601		470
																																536		414												667		519		667		519
																																536		414												667		519		667		519
																																536		414												688		534		695		540

146842			171693				200077			225514				235239			154198				192471			211523				237540				247474			194143				245777			282047				305766				319025

23

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Contents Models SIT030 SIT119 Installation & Operation ManualContents Indirect water heater operation Please read before proceedingComponent Materials General informationOperating restrictions Single-wall heat exchangerWater Chemistry Requirements Pre-installationLocating the tank Recommended clearancesPressure Drop Values Pressure Drop ChartBoiler side piping 1Piping Diagram Zoned with Circulators 2Piping Diagram Zoned with Valves 3Knight Boiler Primary / Secondary Piping 4Multiple Tank Connections Multiple tank domestic water piping Domestic side tank pipingBasic domestic piping Domestic water piping for distant fixturesStandard Installation Install drain valveSIT050 105,000 SIT065 200,000 SIT080 SIT119 Btu/hr2Recommended Domestic Water Piping Connect tank sensor WiringIndirect water heater sensor setup Knight boiler Install tank sensor2Wiring for Zone Control Start-up and check-out To Fill the Water Heater MaintenanceMaintenance Schedule Homeowner monthly maintenance to includePerformance data 110 How to properly Size Your Indirect Water HeaterEstimate your peak hour demand as follows Fixture Count GuideFirst 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.