Lochinvar SIT119, SIT030 operation manual First Hour Rating 180F Boiler Loop Water Universal Sizing

Page 22

Installation & Operation Manual

8 Performance data (continued)

Table 8C First Hour Rating - 180°F Boiler Loop Water (Universal Sizing)

Model

Circulator Flow

GPM

Domestic Outlet

45,000

60,000

75,000

Capacity

95,000

 

Heating

115,000

165,000

 

140,000

Boiler

195,000

 

 

225,000

 

260,000

 

295,000

MAX BTU INPUT

First Hour Rating - 180°F Boiler Loop Water

(Universal Sizing - 45,000 - 295,000 Btu/hr)

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

136

 

103

136

 

103

 

 

 

 

 

 

 

 

150

 

118

150

 

118

 

 

 

 

 

 

 

 

 

164

 

131

164

 

131

 

 

 

 

 

 

 

 

 

165

 

123

165

 

123

 

 

 

 

 

 

 

 

179

 

138

179

 

138

 

 

 

 

 

 

 

 

 

194

 

151

194

 

151

 

 

 

 

 

 

 

 

 

171

 

128

191

 

142

202

 

 

 

 

 

 

 

217

 

165

217

 

165

217

 

 

 

 

 

 

 

233

 

179

233

 

179

233

 

 

 

 

 

 

 

 

 

150

 

 

 

 

 

 

 

 

 

165

 

 

 

 

 

 

 

 

 

179

 

 

 

 

 

 

171

 

128

191

 

142

223

165

240

 

 

 

 

217

 

165

252

 

189

252

 

189

252

 

 

 

 

233

 

179

268

 

204

273

 

207

273

 

 

 

 

 

 

 

177

 

 

 

 

 

 

 

189

 

 

 

 

 

 

 

207

 

 

 

 

 

 

191

 

142

223

165

240

 

177

267

 

 

 

 

252

 

189

267

 

200

282

 

211

286

 

 

 

 

268

 

204

292

 

221

307

 

232

322

 

 

 

 

 

 

 

196

 

 

 

 

 

 

 

208

 

 

 

 

 

 

 

242

 

 

 

 

 

 

 

 

240

 

177

267

 

196

 

 

 

 

 

 

267

 

200

282

 

211

286

 

213

 

 

 

 

 

 

292

 

221

307

 

232

334

 

251

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

334

 

251

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

77008

89165

105532

114761

129676

92998

112972

123331

129574

132764

94115

114116

125111

134044

146207

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model

Circulator Flow

GPM

Domestic Outlet

45,000

60,000

75,000

Capacity

95,000

 

Heating

115,000

165,000

 

140,000

Boiler

195,000

 

 

225,000

 

260,000

 

295,000

MAX BTU INPUT

First Hour Rating - 180°F Boiler Loop Water

(Universal Sizing - 45,000 - 295,000 Btu/hr)

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

183

 

149

183

 

149

 

 

 

 

 

 

 

 

193

 

159

193

 

159

 

 

 

 

 

 

 

 

 

226

 

193

226

 

193

 

 

 

 

 

 

 

 

 

213

 

170

213

 

170

 

 

 

 

 

 

 

 

222

 

180

222

 

180

 

 

 

 

 

 

 

 

 

255

 

213

255

 

213

 

 

 

 

 

 

 

 

 

252

 

197

252

 

197

252

 

 

 

 

 

 

 

261

 

207

261

 

207

261

 

 

 

 

 

 

 

294

 

241

294

 

241

294

 

 

 

 

 

 

 

 

 

197

 

 

 

 

 

 

 

 

 

207

 

 

 

 

 

 

 

 

 

241

 

 

 

 

 

 

291

 

226

291

 

226

291

226

291

 

 

 

 

300

 

235

300

 

235

300

 

235

300

 

 

 

 

333

 

268

333

 

268

333

 

268

333

 

 

 

 

 

 

 

226

 

 

 

 

 

 

 

235

 

 

 

 

 

 

 

268

 

 

 

305

 

235

319

 

245

338

259

338

 

259

338

 

304

 

238

347

 

268

347

 

268

347

 

268

347

 

384

 

302

382

 

302

382

 

302

382

 

302

382

 

 

 

 

 

259

 

 

 

 

 

268

 

 

 

 

 

302

305

 

235

319

 

245

356

271

386

 

293

388

 

294

304

 

238

349

 

270

374

 

288

395

 

302

395

 

302

387

 

306

429

 

337

429

 

337

429

 

337

429

 

337

 

 

 

319

 

245

356

271

386

 

293

388

 

294

 

 

 

349

 

270

374

 

288

409

 

312

424

 

323

 

 

 

483

 

375

485

 

376

485

 

376

485

 

376

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

356

271

386

 

293

388

 

294

 

 

 

 

 

 

374

 

288

409

 

312

424

 

323

 

 

 

 

 

 

501

 

388

548

 

421

541

 

416

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

388

 

294

 

 

 

 

 

 

 

 

 

 

 

 

424

 

323

 

 

 

 

 

 

 

 

 

573

 

438

596

 

454

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

596

 

454

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

118488

129139

146864

163768

167924

115860

139106

154002

171229

181544

141419

190161

204795

237649

253504

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

Image 22
Contents Installation & Operation Manual Models SIT030 SIT119Contents Please read before proceeding Indirect water heater operationSingle-wall heat exchanger General informationOperating restrictions Component MaterialsRecommended clearances Pre-installationLocating the tank 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 Domestic water piping for distant fixtures Domestic side tank pipingBasic domestic piping Multiple tank domestic water pipingInstall drain valve Standard InstallationBtu/hr SIT050 105,000 SIT065 200,000 SIT080 SIT1192Recommended Domestic Water Piping Install tank sensor WiringIndirect water heater sensor setup Knight boiler Connect tank sensor2Wiring for Zone Control Start-up and check-out Homeowner monthly maintenance to include MaintenanceMaintenance Schedule To Fill the Water HeaterPerformance data Fixture Count Guide How to properly Size Your Indirect Water HeaterEstimate your peak hour demand as follows 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.