A.O. Smith IT - 750 User Manual

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IT

Indirect calorifier

IT - 300/400/500/600/750/1000

IT - 1500/2000/2500/3000

Indirect water heater (calorifier) for a wide range of applications

Single-wallspiral heat exchanger • PermaGlas Ultra Coatsecond-generationglass coating technology prevents corrosion

IT 300: Three adjustable legs facilitate easy installation

IT 400-1000:Insulated ring base • Insulated access cover for comprehensive waterside maintenance • Replaceable magnesium anode • Options: Flexible magnesium anode for installation in confi ned areas • Powered anode for reduced maintenance requirements • Temperature and pressure valve with stainless steel spring set to 95 °C and a maximum water pressure of 7 bar

Analogue temperature gauge (0-120°C) • Electric element heat packs (3 - 36 kW) • Optional ancillaries: unvented kits

Destratifi cation pump kit

Innovation has a name.

IT

Technical specifications

 

 

IT 300

IT 400

IT 500

IT 600

IT 750

IT 1000

IT 1500

IT 2000

IT 2500

IT 3000

Technical data

 

 

 

 

 

 

 

 

 

 

 

Output coil

kW

46

78

100

104

112

145

134

134

142

142

Surface area coil

m2

1.47

2.45

3.11

3.45

3.72

4.82

5,2

5,2

6

6

Water capacity coil

l

8.9

14.8

18.8

29.3

31.6

40.9

40

40

45

45

Flow rate coil (80-60°C)

l/h

1978

3345

4300

4472

4816

6235

5762

5762

6106

6106

Pressure drop coil

mbar

56

244

489

104

128

259

158

158

174

174

Maximum working pressure tank

bar

10

10

10

10

10

10

8

8

8

8

Maximum working pressure coil

bar

16

16

16

16

16

16

6

6

6

6

Maximum operating temperature tank

°C

95

95

95

95

95

95

85

85

85

85

Maximum operating termperature coil

°C

110

110

110

110

110

110

90

90

90

90

Standby loss

kWh/24h

1.32

1.60

1.88

1.85

2.03

2.19

5.40

7.20

8.50

9.60

Anodes

-

1

1

1

1

1

1

3

3

3

3

Maximum weight

kg

413

524

653

884

979

1343

1948

2226

3126

3400

Draw-offcapacity

 

 

 

 

 

 

 

 

 

 

 

Storage capacity

l

296

385

473

643

725

1007

1550

1800

2550

2800

30 min. T=44°C

l

728

1106

1396

1616

1776

2374

2870

3142

4031

4304

60 min. T=44°C

l

1177

1868

2373

2633

2871

3791

4176

4452

5419

5691

90 min. T=44°C

l

1627

2631

3350

3649

3965

5208

5489

5761

6806

7079

120 min. T=44°C

l

2076

3393

4327

4665

5060

6625

6798

7071

8194

8467

Continuous T=44°C

l/h

899

1525

1955

2033

2189

2834

2619

2619

2775

2775

Heating-uptimeT=44°C

min.

20

15

15

19

20

21

36

41

55

61

30 min. T=50°C

l

640

973

1228

1422

1563

2089

2525

2765

3547

3787

60 min. T=50°C

l

1036

1644

2088

2317

2526

3336

3678

3918

4768

3918

90 min. T=50°C

l

1431

2315

2948

3211

3489

4583

4830

5070

5990

6230

120 min. T=50°C

l

1827

2986

3808

4105

4453

5830

5982

6222

7211

7451

Continuous T=50°C

l/h

791

1342

1720

1789

1926

2494

2305

2305

2442

2442

Heating-uptimeT=50°C

min.

22

17

16

22

23

24

40

47

63

69

30 min. T=55°C

l

582

885

1116

1293

1421

1899

2296

2514

3225

3443

60 min. T=55°C

l

942

1495

1898

2106

2296

3033

3343

3561

4335

4553

90 min. T=55°C

l

1301

2104

2680

2919

3172

4166

4391

4609

5445

5663

120 min. T=55°C

l

1661

2714

3462

3732

4048

5300

5439

5657

6555

6773

Continuous T=55°C

l/h

719

1220

1564

1626

1751

2267

2095

2095

2220

2220

Heating-uptimeT=55°C

min.

25

19

18

24

25

27

44

52

69

76

Shipping data

 

 

 

 

 

 

 

 

 

 

 

Weight empty

kg

117

139

180

241

254

336

398

426

576

600

Weight incl. packaging

kg

128

153

201

251

260

348

488

526

686

720

Width packaging

mm

780

780

780

870

870

1010

1170

1170

1498

1498

Height packaging

mm

1510

1850

2150

1930

2150

2100

2060

2248

2120

2195

Depth packaging

mm

780

780

780

870

870

1010

1426

1426

1680

1680

IT

Dimensions

IT 300

IT 400-1000

 

 

IT 300

IT 400

IT 500

IT 600

IT 750

IT 1000

 

 

 

 

 

 

 

 

A

 

1370

1705

2040

1835

2030

2000

D

 

720

720

720

910

910

1060

G

 

325

255

255

305

305

345

H

 

765

1010

1205

1145

1205

1305

M

 

75

70

70

85

85

95

N

 

1310

1650

1990

1795

1990

1960

O

 

115

115

115

180

180

180

P

 

325

330

330

415

415

445

R

 

595

500

500

650

650

700

S

 

375

1095

1290

1235

1295

1395

T

 

-

1360

1700

1475

1670

1600

U

 

1115

-

-

-

-

-

1

Cold water

R1

R2

R2

R21/2

R21/2

R21/2

2

Hot water

R1

R2

R2

R21/2

R21/2

R21/2

3

Inlet coil

Rp1

Rp1

Rp1

Rp1

Rp11/4

Rp11/4

4

Outlet coil

Rp1

Rp1

Rp1

Rp1

Rp11/4

Rp11/4

7

Connection

Rp3/4

Rp3/4

Rp3/4

Rp3/4

Rp3/4

Rp3/4

8 a/b Connection immersion

 

 

 

 

 

 

 

well

Rp1/2

-

-

-

-

-

8

Anode connection

-

Rp11/4

Rp11/4

Rp11/4

Rp11/4

Rp11/4

10

Anode connection

R1

-

-

-

-

-

Dimensions in mm. All IT calorifiers receive a three years warranty on the tank and one year on parts.

IT

Dimensions

IT 1500-3000

 

 

IT 1500

IT 2000

IT 2500

IT 3000

A

 

1880

2068

1939

2068

 

 

1880

2068

1939

2068

D

 

1100

1100

1400

1400

 

 

1200

1200

1500

1500

G

 

350

350

430

430

H

 

1305

1305

1283

1283

M

 

135

135

183

183

N

 

1930

2118

1989

2118

O

 

180

180

180

180

P

 

425

425

510

510

R1

 

500

500

580

580

R2

 

950

950

982

982

R3

 

1400

1588

1430

1559

S

 

605

605

685

685

T

 

710

710

790

790

U

 

1515

1703

1530

1624

V

 

1550

1738

1530

1659

1

Cold water

R 2

R 2

R 2

R 2

2

Hot water

R 2

R 2

R 2

R 2

3

Inlet coil

Rp 11/4

Rp 11/4

Rp 11/4

Rp 11/4

4

Outlet coil

Rp 11/4

Rp 11/4

Rp 11/4

Rp 11/4

7

Connection

Rp 11/4

Rp 11/4

Rp 11/4

Rp 11/4

8

Connection immersion well

Rp 3/4

Rp 3/4

Rp 3/4

Rp 3/4

10

Anode connection

Rp 3/4

Rp 3/4

Rp 3/4

Rp 3/4

11

Service valve

Rp 1

Rp 1

Rp 1

Rp 1

12

Temperature meter

Rp 3/4

Rp 3/4

Rp 3/4

Rp 3/4

IT

Installation diagrams

IT 300

IT 400-1000

2Protected cold supply setup

3T&P valve

4Stop valve

5Non-returnvalve

6Circulation pump

ACold water

BHot water

CReturn circulation

FPrimary flow

GPrimary return

The IT 300 and 400-1000is also available in unvented version.

A.O. Smith unvented system kits utilise combination valves.

Further installation and connection details can be found in the Installation & Commissioning Manual.

For the parts numbers of components please refer to the “Maintenance and accessories” chapter.

IT

Installation diagrams

IT 1500-3000

3T&P valve

4Stop valve

5Non-returnvalve

6Circulation pump

9Drain valve

11Isolating valve

12Temperature gauge

14Hot water outlets

17Three way valve

18Water tank

19Float valve

ACold water

BHot water

CReturn circulation

FPrimary flow

GPrimary return

EOver flow pipe

HExpansion vent pipe

The IT 1500-3000is also available in unvented version.

A.O. Smith unvented system kits utilise combination valves.

Further installation and connection details can be found in the Installation & Commissioning Manual.

For the parts numbers of components please refer to the “Maintenance and accessories” chapter.

subject to change INT/1108/IT/02

and conditions apply, please refer to our website.

Data

Terms

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