A.O. Smith BTR(C)120 THRU 500A Installation Operation & Maintenance Download

Page: 3 / 36

TABLE 1C - HEATER PERFORMANCE DATA BTR MODELS

INPUT

APPROX.

RECOVERY RATING CAPACITIES (GPH AND LPH)

RATE

GAL

EFF.

30° F 40° F 50° F 60° F 70° F 80° F 90° F 100° F 110° F 120° F 130° F 140° F

MODEL

BTUH

CAP.

(-) 1 C

4 C

10 C

15 C 21 C

27 C

32 C

38 C

43 C

49 C

54 C

60 C

BTR

120,000 BTUH

71 Gal

388

291

233

194

166

145

129

116

106

120

35 Kw/Hr

268 L

1469

1102

882

734

628

549

488

439

401

367

341

314

BTR

154,000 BTUH

81 Gal

498

373

299

249

213

187

166

149

136

124

115

107

154

45 Kw/Hr

306 L

1885

1412

1132

943

806

708

628

564

515

469

435

405

BTR

180,000 BTUH

81 Gal

579

434

347

289

248

217

193

174

158

145

134

124

180

53 Kw/Hr

306L

2192

1643

1314

1094

939

821

731

659

598

549

507

469

BTR

199,000 BTUH

100 Gal

643

482

386

322

276

241

214

193

175

161

148

132

197

58 Kw/Hr

379 L

2434

1825

1461

1219 1045

912

810

731

662

609

560

500

BTR

199,000 BTUH

100 Gal

643

482

386

322

276

241

214

193

175

161

148

132

198

58 Kw/Hr

379L

2434

1825

1461

1219 1045

912

810

731

662

609

560

500

BTR

190,000 BTUH

81 Gal

614

461

368

307

263

230

205

184

167

154

142

132

199

56 Kw/Hr

306 L

2324

1745

1393

1162

996

871

776

697

632

583

538

500

BTR

199,000 BTUH

100 Gal

643

482

386

322

276

241

214

193

175

161

148

132

200

58 Kw/Hr

379 L

2434

1825

1461

1219 1045

912

810

731

662

609

560

500

BTR

250,000 BTUH

100 Gal

808

606

485

404

346

303

269

242

220

202

186

173

250

73 Kw/Hr

379 L

3059

2294

1835

1529 1311

1147

1020

918

834

765

706

655

BTR

251,000 BTUH

65 Gal

811

608

487

406

348

304

270

243

221

203

187

174

251

73 Kw/Hr

246 L

3071

2303

1843

1536 1316

1152

1024

921

838

768

709

658

BTR

275,000 BTUH

100 Gal

889

667

533

444

381

333

296

267

242

222

205

190

275

80 Kw/Hr

379 L

3365

2524

2019

1682 1442

1262

1122

1009

918

841

776

721

BTR

305,000 BTUH

65 Gal

986

739

592

493

423

370

329

296

269

246

228

211

305

89 Kw/Hr

246 L

3732

2799

2239

1866 1599

1399

1244

1120

1018

933

861

800

BTR

365,000

85 Gal

1180

885

708

590

506

442

393

354

322

295

272

253

365

107 Kw/Hr

322 L

4466

3349

2680

2233 1914

1675

1489

1340

1218

1116

1031

957

BTR

399,000 BTUH

100 Gal

1293

970

776

646

554

485

431

388

353

323

298

277

400

117 Kw/Hr

379 L

4894

3671

2936

2447 2097

1835

1631

1468

1335

1224

1129

1049

BTR

500,000 BTUH

85 Gal

1616

1212

970

808

693

606

539

485

441

404

373

346

500

147 Kw/Hr

322 L

6118

4588

3671

3059 2622

2294

2039

1835

1668

1529

1412

1311

100

110

120

130

140

TABLE 1D - HEATER PERFORMANCE DATA BTR(C) MODELS

INPUT

APPROX.

RECOVERY RATING CAPACITIES (GPH AND LPH)

RATE

GAL

EFF.

30° F 40° F 50° F 60° F 70° F 80° F 90° F 100° F 110° F 120° F 130° F 140° F

MODEL

BTUH

CAP.

(-) 1 C

4 C

10 C

15 C 21 C

27 C

32 C

38 C

43 C

49 C

54 C

60 C

BTRC

120,000 BTUH

71 Gal

388

291

233

194

166

145

129

116

106

120

35 Kw/Hr

268 L

1469

1102

882

734

628

549

488

439

401

367

341

314

BTRC

154,000 BTUH

81 Gal

498

373

299

249

213

187

166

149

136

124

115

107

154

45 Kw/Hr

306 L

1885

1412

1132

943

806

708

628

564

515

469

435

405

BTRC

180,000 BTUH

76 Gal

579

434

347

289

248

217

193

174

158

145

134

124

180

53 Kw/Hr

288L

2192

1643

1314

1094

939

821

731

659

598

549

507

469

BTRC

199,000 BTUH

95 Gal

643

482

386

322

276

241

214

193

175

161

148

132

197

58 Kw/Hr

360 L

2434

1825

1461

1219 1045

912

810

731

662

609

560

500

BTRC

190,000 BTUH

76 Gal

614

461

368

307

263

230

205

184

167

154

142

132

199

56 Kw/Hr

288 L

2324

1745

1393

1162

996

871

776

697

632

583

538

500

BTRC

199,000 BTUH

100 Gal

643

482

386

322

276

241

214

193

175

161

148

132

200

58 Kw/Hr

379 L

2434

1825

1461

1219 1045

912

810

731

662

609

560

500

BTRC

250,000 BTUH

100 Gal

808

606

485

404

346

303

269

242

220

202

186

173

250

73 Kw/Hr

379 L

3059

2294

1835

1529 1311

1147

1020

918

834

765

706

655

BTRC

251,000 BTUH

65 Gal

811

608

487

406

348

304

270

243

221

203

187

174

251

73 Kw/Hr

246 L

3071

2303

1843

1536 1316

1152

1024

921

838

768

709

658

BTRC

275,000 BTUH

100 Gal

889

667

533

444

381

333

296

267

242

222

205

190

275

80 Kw/Hr

379 L

3365

2524

2019

1682 1442

1262

1122

1009

918

841

776

721

BTRC

305,000 BTUH

65 Gal

986

739

592

493

423

370

329

296

269

246

228

211

305

89 Kw/Hr

246 L

3732

2799

2239

1866 1599

1399

1244

1120

1018

933

861

800

BTRC

360,000 BTUH

65 Gal

1164

873

698

582

499

436

388

349

317

291

269

249

365

105 Kw/Hr

246 L

4405

3304

2643

2202 1888

1652

1468

1321

1201

1101

1016

944

BTRC

399,000 BTUH

100 Gal

1293

970

776

646

554

485

431

388

353

323

298

277

400

117 Kw/Hr

379 L

4894

3671

2936

2447 2097

1835

1631

1468

1335

1224

1129

1049

BTR

500,000 BTUH

85 Gal

1616

1212

970

808

693

606

539

485

441

404

373

346

500

147 Kw/Hr

322 L

6118

4588

3671

3059 2622

2294

2039

1835

1668

1529

1412

1311

100

110

120

130

140

Summary of Contents for BTR(C)120 THRU 500A

Page 1: ...A 2576 0903 SUPERSEDES PART NO 194421 000 A DIVISION OF A O SMITH CORPORATION McBEE SOUTH CAROLINA USA STRATFORD ONTARIO CANADA www aosmithwaterheaters com CAUTION TEXT PRINTED OR OUTLINED IN RED CON...

Page 2: ...0 345 Kg 396 Kg BTR 500 500 000 BTR Hr 85 Gal 82 25 4 50 73 50 65 25 25 50 21 1 65 75 8 27 75 1 50 1 50 1 50 1 50 1 50 1 50 745Lbs 857Lbs 147kW Hr 322L 209cm 12cm 187cm 166cm 65cm 53cm 1 167cm 20cm 70...

Page 3: ...212 970 808 693 606 539 485 441 404 373 346 500 147 Kw Hr 322 L 6118 4588 3671 3059 2622 2294 2039 1835 1668 1529 1412 1311 30 40 50 60 70 80 90 100 110 120 130 140 TABLE1D HEATERPERFORMANCEDATABTR C...

Page 4: ...er Troubleshooting Guide 33 Operational Checklist 34 Limited Warranty 35 Page Page FOREWORD These designs comply with ANSI Z21 10 3 CSA 4 3 M98 as an automatic circulating or automatic storage tank ty...

Page 5: ...xplosive and heavier than air It collects first in the low areas making its odor difficult to detect at nose level If LP gas is present or even suspected do not attempt to find the cause yourself Go t...

Page 6: ...ion for operation at altitudes other than that specified on the heater rating plate is not permitted The input reduction is primarily achieved by reducing the size of the main burner orifices To do th...

Page 7: ...quipped with a Service Switch as shown in figure 5 FIGURE5 The Service Switch has 2 positions AUTOMATIC OPERATION and HOLD OPEN DAMPER For normal operation the switch should be in the AUTOMATIC OPERAT...

Page 8: ...ZED CONTAINERS OR ANY OTHER POTENTIAL FIRE HAZARDOUS ARTICLES MUST NEVER BE PLACED ON ORADJACENTTOTHE HEATER OPEN CONTAINERS OR FLAMMABLE MATERIAL SHOULD NOT BE STORED OR USED IN THE SAME ROOM WITH TH...

Page 9: ...R FLAMMABLES VAPORS AND LIQUIDS DO NOT OBSTRUCT THE FLOW OF COMBUSTION OR VENTILATINGAIR WARNING FOR SAFE OPERATION PROVIDE ADEQUATE AIR FOR COMBUSTIONAND VENTILATION AN INSUFFICIENT SUPPLY OF AIR WIL...

Page 10: ...d from freezing downdrafts Remove all soot or other obstructions from the chimney that will retard a free draft Type B venting is recommended with these heaters See table 3 TECHNICAL DATA VENTING This...

Page 11: ...R C 180 197 198 199 200 Input 180 000 190 000 199 000 Btuh Total Vent Height Feet Draft Hood 6 6 8 10 15 20 30 50 100 Input Btuh Rise Vent Connector Diameter in inches 180 000 1 Ft 8 8 8 8 8 7 7 7 190...

Page 12: ...10 10 10 8 8 8 Number of Combined Input Heaters in Thousands of Btuh Manifold Common Vent Diameter 2 610 14 14 12 12 12 10 10 10 3 915 16 16 16 14 14 12 12 12 4 1220 18 18 16 16 16 14 14 12 MODEL BTR...

Page 13: ...storage tank which may be used in conjunction with this appliance shall also be installed with a properly sized rated and approved combination temperature ANSI and pressure ASME relief valve s WARNIN...

Page 14: ...ICE BEFORE ATTACHING THE GAS LINE BE SURE THATALL GAS PIPE IS CLEAN ON THE INSIDE TO TRAP ANY DIRT OR FOREIGN MATERIAL IN THE GAS SUPPLY LINE A DIRT LEG SOMETIMES CALLED SEDIMENT TRAP OR DRIP LEG MUST...

Page 15: ...NG EXCEEDING 1 2 PSIG 3 5 kPa GAS SUPPLY LINE MUST BE CAPPED WHEN DISCONNECTED FROM THE HEATER FOR TEST PRESSURES OF 1 2 PSIG 3 5 kPa OR LESS THE APPLIANCE NEED NOT BE DISCONNECTED BUTMUSTBE ISOLATED...

Page 16: ...OULD NOT EXCEED SAFE USE TEMPERATUREAT FIXTURES SEE WATERTEMPERATURE CONTROL WARNING ON PAGE 27 IF HIGHER PREHEAT TEMPERATURES ARE NECESSARYTO OBTAINADEQUATE BOOSTER OUTPUT ADDANANTI SCALD VALVE FOR H...

Page 17: ...TOGGLESWITCHMUSTBECLOSED ON DURING THERINSEOPERATIONANDOPEN OFF WHENDISHWASHER IS NOTOPERATING OR WHEN ON LONG STANDBY NOTE 2 INSTALLLINETEMPERATURECONTROLINANUNINSULATED TEEBEYONDTHEDISHWASHINGMACHIN...

Page 18: ...ions shown in the installation diagrams on the following pages are typical TWO TEMPERATURE TWO HEATERS ONE PRE HEATER ONE BOOSTER HEATER WITH OR WITHOUT BUILDING RECIRCULATION The discharge opening of...

Page 19: ...OTE 3 ADJUST PLUG COCK SO THE SANITIZING LOOP FLOW RATE DOES NOT CAUSE UNNECESSARY TURBULENCE IN THE TANK PIPE RELIEF VALVE TO OPEN DRAIN INSTALL IN ACCORDANCE WITH LOCAL CODES CIRCULATING RETURN LINE...

Page 20: ...TERS WITH MIXING VALVE TWO PRE HEATERS WITH BOOSTER HEATER DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 27 IF HIGHER PREH...

Page 21: ...TER OUTPUT ADD AN ANTI SCALD VALVE FOR HOT WATER SUPPLIEDTO FIXTURES PIPE RELIEF VALVE TO OPEN DRAIN WHEN USING AN A O SMITH T 140 200 350 OR 400 STORAGE TANK USE LOWER 3 4 OPENING FOR TANK TEMPERATUR...

Page 22: ...S BTRCMODELS 120 69 75 177cm 69 75 177cm 154 73 00 185cm 73 00 185cm 180 67 50 171cm 70 50 179cm 197 75 00 192cm 81 50 207cm 198 75 00 192cm N A 199 67 50 171cm 70 50 179cm 200 72 00 183cm 72 00 183cm...

Page 23: ...ete instructions MULTIPLE UNIT INSTALLATIONS For multiple unit installations contact A O Smith Water Products Company Technical Support Center at 1 800 527 1953 In Canada contact A O Smith Enterprises...

Page 24: ...TOAVOID RISK OF FIRE OR EXPLOSION PURGE DISCHARGE MUST NOT ENTER CONFINEDAREAS OR SPACES WHERE IGNITION CAN OCCUR THE AREA MUST BE WELL VENTILATED AND ALL SOURCES OF IGNITION MUSTBE INACTIVATED OR RE...

Page 25: ...L SYSTEM AND ANY GAS CONTROL WHICH HAS BEEN UNDER WATER E DO NOT OPERATE APPLIANCE UNLESS UNIT IS FILLED WITH WATERAND INLET LINESAFTER FULLY OPEN WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACT...

Page 26: ...NTROL SYSTEM AND ANY GAS CONTROL WHICH HAS BEEN UNDER WATER E DO NOT OPERATE APPLIANCE UNLESS UNIT IS FILLED WITH WATERAND INLET LINESAFTER FULLY OPEN WARNING IFYOUDONOTFOLLOWTHESEINSTRUCTIONSEXACTLY...

Page 27: ...water temperature is controlled by a thermostat Fig 3 which has two sensing elements One sensor is located near the top of the tank and the other is near the center The thermostat is set in the lowest...

Page 28: ...CHECK THE PILOT At least once a year check the pilot burner fig 16 and the main burner fig 17 for proper operation Refer to the following pilot and main burner sections PILOT BURNER For access to pilo...

Page 29: ...ge or a manometer to the gauge port and refer to Table 5 for correct manifold pressure 2 Use this formula to clock the meter Be sure that other gas consuming appliances are not operating during this i...

Page 30: ...the heater and replacement of the factory installed magnesium anodes with aluminum anodes may correct the condition Occasionally water softener companies recommend removal of heater anodes for odor re...

Page 31: ...ad screws securing tank cleanout plate and remove plate 4 Remove lime scale or sediment using care not to damage the glass lining 5 Inspect cleanout plate gasket if new gasket is required replace with...

Page 32: ...replaced TROUBLESHOOTING IGNITION MODULE SYSTEM Before calling your service agent the following checklist should be examined to eliminate obvious problems from those requiring replacement or servicing...

Page 33: ...Blown fuse or circuit breaker 5 Disconnect switch off 6 Harness not plugged into appliance receptacle A FLUE DAMPER OPEN OR OPENING Unit is calling for heat and damper disc should be in vertical posi...

Page 34: ...slower Call serviceman Check gas input If incorrect adjust gas pressure or replace main burner orifice Draft hood not installed or Call serviceman Install draft hood or baffles as one or more flue ba...

Page 35: ...wner is responsible for all other costs Such costs may include but are not limited to a Labor charges for service removal repair or reinstallation of the water heater or any component part b Shipping...

Page 36: ...36 5621 W 115TH STREET ALSIP IL 60803 Phone 800 433 2545 Fax 800 433 2515 www aosmithwaterheaters com REPLACEMENTPARTS...

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