Lochinvar Comprehensive Installation & Operation Manual for Water Heater Models SIT080, SIT065, and SIT050

Page 21

Installation & Operation Manual

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8 Performance data (continued)

Table 8B First Hour Rating - 180°F Boiler Loop Water (Knight Boiler)

Model

Circulator Flow

GPM

Domestic Outlet

WB050

Capacity

K/WB080

 

Heating

K/WB105

K/WB150

 

Boiler

K/WB210

KB285

 

 

KB399

 

KB500

MAX BTU INPUT

First Hour Rating - 180°F Boiler Loop Water

(Knight Boiler - Models SIT030 - SIT050)

 

 

 

 

 

 

 

SIT030

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIT040

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIT050

 

 

 

 

 

 

 

 

 

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

 

 

 

140

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

108

 

83

108

 

83

 

 

 

 

 

 

 

 

 

 

 

122

 

97

 

122

 

97

 

 

 

 

 

 

 

 

 

 

 

135

 

110

 

135

 

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

159

 

119

159

 

119

 

 

 

 

 

 

 

 

 

 

 

173

 

133

 

173

 

133

 

 

 

 

 

 

 

 

 

 

 

188

 

147

 

188

 

147

 

 

 

 

 

 

 

 

 

 

 

171

 

128

191

 

142

 

 

 

 

 

 

 

 

 

 

 

217

 

165

 

217

 

165

 

 

 

 

 

 

 

 

 

 

 

231

 

178

 

231

 

178

 

 

 

 

 

 

 

 

 

 

 

 

 

 

191

 

142

 

223

 

 

 

 

 

 

 

 

 

 

 

 

 

252

 

189

267

 

 

 

 

 

 

 

 

 

 

 

 

 

268

 

204

292

 

 

 

 

 

 

 

 

 

 

 

 

 

 

165

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

221

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

223

165

 

240

 

 

 

 

 

 

 

 

 

 

 

 

267

 

200

 

282

 

 

 

 

 

 

 

 

 

 

 

 

292

 

221

 

307

 

 

 

 

 

 

 

 

 

 

 

 

 

 

177

 

 

 

 

 

 

 

 

 

 

 

 

 

 

211

 

 

 

 

 

 

 

 

 

 

 

 

 

 

232

 

 

 

 

 

 

 

 

 

 

 

223

165

 

240

 

177

 

267

 

 

 

 

 

 

 

 

267

 

200

 

282

 

211

 

286

 

 

 

 

 

 

 

 

292

 

221

 

307

 

232

 

334

 

 

 

 

 

 

 

 

 

 

 

 

196

 

 

 

 

 

 

 

 

 

 

 

 

213

 

 

 

 

 

 

 

 

 

 

 

 

251

 

 

 

 

 

 

 

 

 

 

 

 

 

 

267

 

196

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

286

 

213

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

334

 

251

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

267

 

196

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

286

 

213

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

334

 

251

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

77008

89165

 

105532

 

114761

 

129676

92998

 

112972

123331

 

129574

 

132764

94115

 

114116

125111

 

134044

 

146207

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model

Circulator Flow

GPM

Domestic Outlet

WB050

Capacity

K/WB080

 

Heating

K/WB105

K/WB210

 

K/WB150

Boiler

KB285

 

 

KB399

 

KB500

MAX BTU INPUT

First Hour Rating - 180°F Boiler Loop Water

(Knight Boiler - SIT065 - SIT119)

 

 

 

 

 

 

SIT065

 

 

 

 

 

 

 

 

 

 

 

 

SIT080

 

 

 

 

 

 

 

 

 

 

 

 

SIT119

 

 

 

 

 

 

 

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

 

 

140

 

 

 

 

 

 

 

 

 

 

 

 

153

 

128

153

 

128

 

 

 

 

 

 

 

 

163

 

138

163

 

138

 

 

 

 

 

 

 

 

 

197

 

172

197

 

172

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

207

 

165

207

 

165

 

 

 

 

 

 

 

 

216

 

175

216

 

175

 

 

 

 

 

 

 

 

 

250

 

209

250

 

209

 

 

 

 

 

 

 

 

 

250

 

196

250

 

196

 

 

 

 

 

 

 

 

259

 

206

259

 

206

 

 

 

 

 

 

 

 

 

292

 

239

292

 

239

 

 

 

 

 

 

 

 

 

 

 

 

319

 

245

328

 

 

 

 

 

 

 

 

 

 

338

 

262

338

 

 

 

 

 

 

 

 

 

 

372

 

296

372

 

 

 

 

 

 

 

 

 

 

 

252

 

 

 

 

 

 

 

 

 

 

 

262

 

 

 

 

 

 

 

 

 

 

 

296

 

 

 

 

 

 

 

 

 

 

 

 

356

271

386

 

 

 

 

 

 

 

 

 

 

374

 

288

409

 

 

 

 

 

 

 

 

 

 

476

 

371

476

 

 

 

 

 

 

 

 

 

 

 

293

 

 

 

 

 

 

 

 

 

 

 

312

 

 

 

 

 

 

 

 

 

 

 

371

 

 

 

 

 

 

 

 

 

356

271

386

 

293

388

 

 

 

 

 

 

 

374

 

288

409

 

312

424

 

 

 

 

 

 

 

501

 

388

573

 

438

596

 

 

 

 

 

 

 

 

 

294

 

 

 

 

 

 

 

 

 

323

 

 

 

 

 

 

 

 

 

454

 

 

 

 

 

 

 

 

 

 

 

388

 

294

 

 

 

 

 

 

 

 

 

 

 

 

424

 

323

 

 

 

 

 

 

 

 

 

 

 

 

596

 

454

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

388

 

294

 

 

 

 

 

 

 

 

 

 

 

 

424

 

323

 

 

 

 

 

 

 

 

 

 

 

 

596

 

454

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

118488

129139

146864

163768

167924

115860

139106

154002

171229

181544

141419

190161

204795

237649

253504

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

Image 21
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 RequirementsPressure Drop Chart Boiler side pipingPressure 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.