A.O. Smith NW 37-670 Скачать руководство пользователя

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dIMensIon data (cont’d)

BoIler specIfIcatIons (standard)

Model Number

BTU

Output

Gal./Hr.

100°F

Rise

Number

Elements

Number

of Steps

Standard Number and

KW of Steps

Amperage 3 Phase

Prefix

Gal. Cap.

Std. KW

Input

208V

240V

480V

575V

45K

60K

75K

90K

105K

120K

150K

180K

153,585

204,720

255,975

307,170

358,365

409,560

511,950

614,340

180

240

300

369

430

492

615

738

1@45

1@60

1@75

3@30

3@30+1@15

4@30

5@30

6@30

128

171

213

250

292

334

417

500

108

144

180

217

253

289

361

433

108

126

144

180

216

105

121

151

181

210K

240K

270K

300K

716,730

819,120

921,510

1,023,900

861

984

1107

1230

7@30

8@30

9@30

10@30

584

668

751

834

505

577

650

722

252

288

324

360

211

241

271

301

330K

360K

390K

420K

450K

480K

1,126,290

1,228,680

1,331,070

1,433,460

1,535,850

1,638,240

1353

1476

1599

1722

1845

1968

1@60+9@30

2@60+8@30

3@60+7@30

4@60+6@30

5@60+5@30

6@60+4@30

917

1001

1084

1168

1251

1334

794

866

938

1010

1083

1155

396

432

468

504

540

576

331

362

392

422

452

487

150

540K

600K

660K

720K

1,843,020

2,047,800

2,252,580

2,457,360

2214

2460

2706

2952

8@60+2@30

10@60

8@60+2@90

4@90+6@60

1501

1668

1299

1443

648

720

792

864

542

602

663

723

220

780K

840K

900K

960K

1020K

1080K

1140K

2,662,140

2,866,920

3,071,700

3,276,480

3,481,260

3,636,040

3,890,820

3198

3444

3690

3936

4182

4428

4674

6@90+4@60

9@90+1@30

10@90

8@90+2@120

6@90+4@120

4@90+6@120

2@90+8@120

936

1008

1080

1152

1224

1296

1368

783

843

904

964

1024

1084

1145

334

1200K

1260K

1380K

1500K

1620K

1740K

4,095,600

4,300,380

4,709,940

5,119,500

5,529,060

5,938,630

4920

5166

5658

6150

6642

7134

100

108

116

10@120

8@120+2@150

4@120+6@150

10@150

10@90+6@120

10@90+7@120

1440

1512

1656

1800

1944

2068

1205

1265

1386

1506

1627

1747

400

1800K

1860K

1980K

2100K

6,143,400

6,348,180

6,757,740

7,167,300

7380

7626

8118

8610

120

124

132

140

8@90+9@120

6@90+11@120

6@90+12@120

6@90+13@120

2160

2232

2376

2520

1807

1868

1988

2109

500

2220K

2340K

2460K

2580K

7,576,860

7,986,420

8,395,980

8,805,540

9102

9594

10080

10578

148

156

164

172

1@120+14@150

18@120+2@90

18@120+2@150

14@120+6@150

2664

2808

2952

3096

2229

2350

2470

2590

670

2700K

2820K

2940K

9,315,100

9,624,660

10,034,220

11070

11562

12054

180

188

196

10@120+10@150

6@120+14@150

2@120+18@150

3240

3384

3528

2711

2832

2952

NOTE: For boilers 3000KW to 6000KW consult factory.

*Consult factory for optional number of steps and Kw per step.

Содержание NW 37-670

Страница 1: ...ep for future reference COMMERCIAL ELECTRIC BOILERS Thank you for buying this energy efficient boiler from us We appreciate your confidence in our products MODELS NW 37 670 INSTALLATION OPERATION SERV...

Страница 2: ...the type of hazard what can happen if you do not follow the safety message and how to avoid the risk of injury The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of Ca...

Страница 3: ...ay also cause erratic control system operation on ELECTRONIC CONTROL models This boiler must be connected to a grounded metal permanent wiring system or an equipment grounding conductor must be run wi...

Страница 4: ...hen standing in water When replacing fuses always use the correct size for the circuit See page 12 through 14 The principal components of the heater are identified on page 8 The model and rating plate...

Страница 5: ...4 4 4 3 3 3 3 1 1 1 1 NW NW NW NW NW 96 96 96 96 96 330K 390K 420K 450K 480K 36 36 36 36 36 38 38 38 38 38 16 16 16 16 16 69 1 2 69 1 2 69 1 2 69 1 2 69 1 2 17 17 17 17 17 1 1 2 1 1 2 1 1 2 1 1 2 1 1...

Страница 6: ...1800K 1860K 1980K 2100K 66 66 66 66 56 56 56 56 28 28 28 28 90 1 2 90 1 2 90 1 2 90 1 2 25 1 2 25 1 2 25 1 2 25 1 2 2 1 2 2 1 2 2 1 2 2 1 2 30 30 30 30 33 33 33 33 7 3 4 7 3 4 7 3 4 7 3 4 8 8 8 8 2 2...

Страница 7: ...60 2 90 4 90 6 60 1501 1668 1299 1443 648 720 792 864 542 602 663 723 NW NW NW NW NW NW NW 220 220 220 220 220 220 220 780K 840K 900K 960K 1020K 1080K 1140K 2 662 140 2 866 920 3 071 700 3 276 480 3 4...

Страница 8: ...8 FEATURES AND COMPONENTS ACTUAL CONFIGURATION MAY VARY...

Страница 9: ...the area adjacent to the boiler or to lower floors of the structure 3 The discharge opening of the temperature and pressure relief valve should always be piped to an open drain 4 Close to the point o...

Страница 10: ...ut being certain the boiler is filled with water and a properly sized pressure relief valve is installed in the relief valve opening provided The pressure rating of the relief valve should be equal to...

Страница 11: ...ng increase in water pressure due to thermal expansion Thermal expansion can cause premature tank failure leakage This type of failure is not covered under the limited warranty Thermal expansion can a...

Страница 12: ...th this computation the next higher standard rating or setting should be selected Boiler Circuits The boiler s electrical components are pictured and identified on page 8 The model and rating plate il...

Страница 13: ...TH THERMOSTAT NOTE S 1 IF A MANUAL RESET HLMT IS USED THE SECOND AUTO RESET HLMT SWITCH IS NOT USED STD WIRING OPTIONAL OR FIELD WIRING AS REQ D NOTE S 1 IF A MANUAL RESET HLMT IS USED THE SECOND AUTO...

Страница 14: ...ON LIGHT 1 OFF ON 2200 2 OFF ON 135 3 OFF ON 4 20MA 4 OFF ON 0 10VDC 5 DS PROP 6 PROG UN 7 OFF VER 8 SEC MN 1 DELAY 1 2 DELAY 2 3 DELAY 3 4 1 5 2 6 4 7 5 8 16 THE ABOVE DIP SWITCH SETTINGS ARE AN EXAM...

Страница 15: ...y be in the control circuit in addition to the automatic high limit previously described The control has an adjustable range of 110 F to 290 F and activates and locks on a temperature increase When th...

Страница 16: ...proximate time to burn relationship for normal adult skin Water Temperature Time to Produce 2nd 3rd Degree Burns on Adult Skin 180 F 82 C 160 F 82 C 150 F 82 C 140 F 82 C 130 F 82 C 120 F 82 C 80 F 82...

Страница 17: ...dential pipe dope thread cutting oil solder flux dirt and other foreign materials breakdown to form gas This is indicated by a continuing need for purging even through the system is closed 2 Pump seal...

Страница 18: ...switch serving the boiler is in the ON position The pilot switch es on the cabinet front should be on In some installations the boiler electrical service may be limited by the power company or boiler...

Страница 19: ...ges for forwarding the new tank or replacement part from the nearest distributor and returning the claimed defective tank or part to such distributor c All cost necessary or incidental for any materia...

Страница 20: ...A DIVISION OF A O SMITH CORPORATION RENTON WASHINGTON Technical Support 800 527 1953 Parts Department 800 433 2515 www hotwater com...

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