background image

BLOWER DATA

CB19-21 AND CBH19-21 BLOWER PERFORMANCE

External Static

Air Volume at Various Blower Speeds

Pressure

High

Medium

Low

in. wg.

Pa

cfm

L/s

cfm

L/s

cfm

L/s

0

0

855

405

630

295

530

250

.05

12

830

390

625

295

525

250

.10

25

800

380

620

295

520

245

.15

37

765

360

610

290

515

245

.20

50

730

345

595

280

505

240

.25

62

685

325

570

270

490

230

.30

75

640

300

535

250

465

220

.40

100

525

250

425

200

365

170

NOTE — All air data is measured external to unit.
Electric heaters have no appreciable air resistance.
For optional up-flow air filter resistance see separate table.

CB19-31 AND CBH19-31 BLOWER PERFORMANCE

External Static

Air Volume at Various Blower Speeds

Pressure

High

Medium

Low

in. wg.

Pa

cfm

L/s

cfm

L/s

cfm

L/s

0

0

1400

660

1270

600

1050

495

.05

12

1370

645

1250

590

1050

495

.10

25

1335

630

1220

575

1050

495

.15

37

1290

610

1190

560

1040

490

.20

50

1240

585

1150

545

1025

485

.25

62

1190

560

1110

525

1000

470

.30

75

1130

535

1060

500

970

460

.40

100

1000

470

945

445

885

420

.50

125

855

405

815

385

765

360

NOTE — All air data is measured external to unit.
Electric heaters have no appreciable air resistance.
For optional up-flow air filter resistance see separate table.

CB19-51 AND CBH19-51 BLOWER PERFORMANCE

WITH 208/230 VOLT MOTOR

External Static

Air Volume at Various Blower Speeds

Pressure

High

Medium

Low

in. wg.

Pa

cfm

L/s

cfm

L/s

cfm

L/s

0

0

1950

920

1640

775

1380

650

.05

12

1910

900

1620

765

1370

645

.10

25

1870

880

1600

755

1350

635

.15

37

1830

865

1580

745

1330

630

.20

50

1780

840

1550

730

1310

620

.25

62

1730

815

1520

715

1290

610

.30

75

1680

795

1490

705

1260

595

.40

100

1570

740

1400

660

1200

565

.50

125

1410

665

1280

605

1100

520

NOTE — All air data is measured external to unit.
Electric heaters have no appreciable air resistance.
For optional up-flow air filter resistance see separate table.

CB19-65 AND CBH19-65 BLOWER PERFORMANCE

WITH 208/230 VOLT MOTOR

External Static

Air Volume at Various Blower Speeds

Pressure

High

Medium

Low

in. wg.

Pa

cfm

L/s

cfm

L/s

cfm

L/s

0

0

2415

1140

2205

1040

1830

865

.05

12

2360

1115

2165

1020

1815

855

.10

25

2305

1090

2125

1005

1800

850

.15

37

2245

1060

2085

985

1780

840

.20

50

2185

1030

2040

965

1760

830

.25

62

2130

1005

2000

945

1735

820

.30

75

2070

975

1950

920

1705

805

.40

100

1940

915

1845

870

1630

770

.50

125

1810

855

1725

815

1540

725

.60

150

1665

785

1585

750

1405

665

NOTE — All air data is measured external to unit.
Electric heaters have no appreciable air resistance.
For optional up-flow air filter resistance see separate table.

CB19-26 AND CBH19-26 BLOWER PERFORMANCE

External Static

Air Volume at Various Blower Speeds

Pressure

High

Medium

Low

in. wg.

Pa

cfm

L/s

cfm

L/s

cfm

L/s

0

0

1150

545

1020

480

870

410

.05

12

1105

520

985

465

860

405

.10

25

1065

505

955

450

850

400

.15

37

1020

480

920

435

825

390

.20

50

960

455

875

415

795

375

.25

62

905

425

830

390

755

355

.30

75

845

400

780

370

710

335

.40

100

680

320

625

295

550

260

NOTE — All air data is measured external to unit.
Electric heaters have no appreciable air resistance.
For optional up-flow air filter resistance see separate table.

CB19-41 AND CBH19-41 BLOWER PERFORMANCE

External Static

Air Volume at Various Blower Speeds

Pressure

High

Medium

Low

in. wg.

Pa

cfm

L/s

cfm

L/s

cfm

L/s

0

0

1630

770

1380

650

1130

535

.05

12

1590

750

1370

645

1150

545

.10

25

1550

730

1350

635

1160

545

.15

37

1500

710

1330

630

1160

545

.20

50

1460

685

1310

620

1160

545

.25

62

1400

660

1270

600

1150

545

.30

75

1340

630

1230

580

1130

535

.40

100

1200

565

1130

535

1050

495

.50

125

1010

475

960

455

890

420

NOTE — All air data is measured external to unit.
Electric heaters have no appreciable air resistance.
For optional up-flow air filter resistance see separate table.

CB19-51 AND CBH19-51 BLOWER PERFORMANCE

WITH 460 VOLT (1 phase) MOTOR

External Static

Air Volume at Various Blower Speeds

Pressure

High

Low

in. wg.

Pa

cfm

L/s

cfm

L/s

0

0

2020

955

1630

770

.05

12

1950

920

1610

760

.10

25

1920

905

1600

755

.15

37

1870

880

1570

740

.20

50

1820

860

1540

725

.25

62

1770

835

1500

710

.30

75

1710

805

1460

690

.40

100

1590

750

1350

635

.50

125

1430

675

1250

590

NOTE — All air data is measured external to unit.
Electric heaters have no appreciable air resistance.
For optional up-flow air filter resistance see separate table.

CB19-65 AND CBH19-65 BLOWER PERFORMANCE

WITH 460 VOLT (1 phase) MOTOR

External Static

Air Volume at Various Blower Speeds

Pressure

High

Low

in. wg.

Pa

cfm

L/s

cfm

L/s

0

0

2380

1125

2250

1060

.05

12

2340

1105

2180

1030

.10

25

2290

1080

2140

1010

.15

37

2250

1060

2110

995

.20

50

2190

1035

2065

975

.25

62

2130

1005

2015

950

.30

75

2075

980

1970

930

.40

100

1945

920

1860

880

.50

125

1820

860

1760

830

NOTE — All air data is measured external to unit.
Electric heaters have no appreciable air resistance.
For optional up-flow air filter resistance see separate table.

— 5 —

Summary of Contents for CB19-21

Page 1: ...ts are shipped for up flow ap plications and may easily be field converted to the down flow position by turning the unit upside down and repositioning the coil drip shields and cabinet access panel Fi...

Page 2: ...asy replacement Ther mal sequencer relay brings the heating elements on and off line in sequence and equal increments with a time delay between each element Sequencer also initiates and terminates blo...

Page 3: ...x 1 Filter Adaptor Up Flow Only of filters mm 1 406 x 508 x 25 1 508 x 508 x 25 2 406 x 635 x 25 Shipping weight lbs kg 4 2 5 2 24 11 Down Flow Catalog number 85G52 85G53 85G54 Combustible Base Ship...

Page 4: ...t Btuh kW 9 000 2 6 9 500 2 8 ECB19 2 5 A F U E 99 8 99 8 ECB19 5 Output Btuh kW 18 000 5 3 18 000 5 3 18 000 5 3 18 000 5 3 19 000 5 6 ECB19 5 A F U E 99 7 99 7 99 9 100 100 ECB19 6 Output Btuh kW 21...

Page 5: ...5 815 1540 725 60 150 1665 785 1585 750 1405 665 NOTE All air data is measured external to unit Electric heaters have no appreciable air resistance For optional up flow air filter resistance see separ...

Page 6: ...86 4 lbs 2 kg 1 phase 230 2 3 7 800 2 0 14 3 g 240 2 5 8 500 2 0 14 8 ECB19 5 208 3 8 12 800 2 0 24 4 ECB19 5 69G87 1 step h 220 4 2 14 300 2 0 25 7 69G87 4 lbs 2 kg 1 phase 230 4 6 15 700 2 0 26 8 g...

Page 7: ...0 42 2 19 9 68G92 10 lbs 5 kg p 1 phase 230 11 5 39 200 3 0 44 0 20 8 240 12 5 42 600 3 0 45 8 21 8 208 11 3 38 400 3 0 47 5 22 7 ECB19 15 69G93 3 steps 220 12 6 43 000 3 0 50 1 23 9 69G93 10 lbs 5 kg...

Page 8: ...lb 5 k 3 steps 3 phase 460 9 2 31 400 2 0 16 1 12 lbs 5 kg 3 phase 480 10 0 34 100 2 0 16 7 ECB19 12 5 208 9 4 32 000 3 0 40 7 18 9 ECB19 12 5 68G92 3 steps 220 10 5 35 800 3 0 42 8 19 9 68G92 10 lbs...

Page 9: ...H19 65 70G05 12 lbs 5 kg 3 steps 3 phase 460 13 8 47 000 3 0 24 0 12 lbs 5 kg 3 phase 480 15 0 51 200 3 0 24 9 ECB19 20 208 15 0 51 200 6 0 50 5 45 0 ECB19 20 69G94 4 steps h 220 16 8 57 300 6 0 53 3...

Page 10: ...inches 60mm larger side to side and 2 1 2 inches 64mm larger front to rear than unit supply air opening DIMENSIONS inches mm CB19 UP FLOW POSITION Model N CB19 21 26 CB19 31 41 CB19 51 65 No inch mm...

Page 11: ...BOTH SIDES AIR FILTERS Furnished AIR FLOW SIDE VIEW FRONT VIEW 20 508 A B 18 457 1 25 1 25 OPENING SAME BOTH SIDES NOTE Air flow may be either direction SIDE VIEW 1 25 1 25 2 1 2 64 AIR FLOW AIR FILTE...

Page 12: ...EW INLET VIEW 21 5 8 549 1 1 2 38 5 8 16 33 838 9 229 BLOWER ELECTRICAL INLETS Both Sides OPTIONAL ELECTRIC HEAT Field Installed 12 305 B19 51 and B19 65 BLOWER SECTION CH19 51 and CH19 65 COIL SECTIO...

Reviews: