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Page 14

504719M 09/05

Table 14

CB30M-41 Blower Performance (208/230V)

Air Volume and Motor Watts at Specific Blower Taps

External Static Pressure

Low

Medium

High

in. w.g.

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

.00

915

430

335

1120

530

390

1525

720

505

.05

965

455

330

1150

540

385

1520

720

495

.10

1005

475

315

1170

550

380

1510

715

480

.15

1035

490

235

1180

560

285

1495

705

470

.20

1055

495

230

1190

560

280

1475

695

455

.25

1060

500

220

1185

560

275

1450

685

440

.30

1050

495

215

1175

555

375

1415

670

430

.40

100

1005

475

290

1135

535

325

1335

630

400

.50

125

915

430

255

1060

500

300

1230

580

375

.60

150

775

365

230

960

455

280

1100

520

345

.70

175

590

280

205

830

390

255

950

450

320

.75

185

485

230

195

750

355

245

870

410

305

NOTE − All air data is measured external to unit with air filter in place. Electric heaters have no appreciable air resistance.

Table 15

CB30M-41 Blower Performance (460V − 1 ph)

Air Volume and Motor Watts at Specific Blower Taps

External Static Pressure

Low

High

in. w.g.

cfm

L/s

Watts

cfm

L/s

Watts

.00

1120

530

390

1525

720

505

.05

1150

540

385

1520

720

495

.10

1170

550

380

1510

715

480

.15

1180

560

285

1495

705

470

.20

1190

560

280

1475

695

455

.25

1185

560

275

1450

685

440

.30

1175

555

375

1415

670

430

.40

100

1135

535

325

1335

630

400

.50

125

1060

500

300

1230

580

375

.60

150

960

455

280

1100

520

345

.70

175

830

390

255

950

450

320

.75

185

750

355

245

870

410

305

NOTE − All air data is measured external to unit with air filter in place. Electric heaters have no appreciable air resistance.

Table 16

CB30M-46 Blower Performance (208/230V)

Air Volume and Motor Watts at Specific Blower Taps

External Static Pressure

Low

Medium

High

in. w.g.

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

.00

1325

625

370

1600

755

455

1825

860

565

.05

1335

630

370

1585

750

455

1790

845

555

.10

1335

630

370

1565

740

450

1750

825

540

.15

1330

630

365

1540

725

440

1710

805

530

.20

1320

620

360

1505

710

435

1660

785

520

.25

1300

615

355

1470

695

425

1610

760

505

.30

1270

600

350

1425

675

415

1555

735

495

.40

100

1195

565

330

1320

625

390

1430

675

465

.50

125

1090

515

310

1195

565

365

1290

610

440

.60

150

955

450

285

1050

495

335

1135

535

415

.70

175

795

375

260

875

415

310

965

455

385

.75

185

700

330

250

780

370

295

875

415

370

NOTE − All air data is measured external to unit with air filter in place. Electric heaters have no appreciable air resistance.

Summary of Contents for CB29M

Page 1: ... CB29M CB30M Elite Series Units MULTI POSITION BLOWER COILS 504 719M 09 05 Supersedes 04 05 RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE Table of Contents CB29M CB30M Series Units 1 General 1 Shipping Packing List 1 CB29M Unit Dimensions 2 CB30M Unit Dimensions 4 Requirements 5 Installation 5 Field Piping Connections 8 Condensate Drain 9 Filters 9 Sealing the Unit 9 Blower Speed Adjustments 10 E...

Page 2: ...R FLOW LIQUID LINE SUCTION LINE RETURN AIR OPENING SUPPLY AIR FILTER SUPPLY AIR Top View Front View Side View BLOWER A B C 11 1 16 281 F D E COIL 5 8 16 5 8 16 5 8 16 5 8 16 5 8 16 LOW VOLTAGE RIGHT SIDE LINE VOLTAGE LEFT SIDE Downflow Position Kit number 83M57 LB 909844A required to convert unit to downflow applications 1 25 Upflow Position CONDENSATE DRAINS 2 UPFLOW AND DOWNFLOW FILTER ACCESS FI...

Page 3: ...OP RIGHT SIDE 5 3 8 137 4 3 8 111 LIQUID LINE SUCTION LINE SUPPLY AIR OPENING FILTER LOW VOLTAGE INLETS TOP LEFT SIDE End View BLOWER B C D COIL 3 4 19 3 4 19 3 4 19 RETURN AIR OPENING F E 5 8 16 5 8 16 5 8 16 End View AIR FLOW OPTIONAL ELECTRIC HEAT FIELD INSTALLED LINE VOLTAGE INLETS BOTTOM LEFT SIDE Horizontal Position Right Hand Air Discharge FILTER ACCESS FILTER ACCESS 5 3 4 146 1 1 2 38 1 3 ...

Page 4: ...1 16 281 F D E COIL 5 8 16 5 8 16 5 8 16 5 8 16 5 8 16 LOW VOLTAGE RIGHT SIDE LINE VOLTAGE LEFT SIDE Downflow Position Kit number 83M57 LB 909844A required to convert unit to downflow applications 1 25 Upflow Position CONDENSATE DRAINS 2 UPFLOW AND DOWNFLOW FILTER ACCESS FILTER ACCESS H G H G LINE VOLTAGE INLETS TOP LEFT SIDE 5 8 16 5 8 16 Model No CB30M 21 26 CB30M 31 CB30M 41 CB30M 46 CB30M 51 C...

Page 5: ... 29 5 3 8 137 4 3 8 111 PIPING PLATE DETAIL Horizontal Position Left Hand Air Discharge Top View Front View 3 4 19 End View For dimensions A through H see chart on Page 4 Requirements Installation of Lennox blower coil units with or without op tional electric heat must conform with standards in the Na tional Fire Protection Association NFPA Standard for Installation of Air Conditioning and Ventila...

Page 6: ...rformance Upflow Downflow Drain Pan Horizontal Right Hand Discharge Application 1 Remove access panels Remove corrugated padding from the space between the blower and coil assembly 2 No further adjustment is necessary Set unit so that it is sloped 1 4 inch toward the drain pan end of the unit NOTE For horizontal applications an auxiliary drain pan is recommended Refer to local codes NOTE For horiz...

Page 7: ...n pan inside coil 7 Rotate top cap 180 front to back and align with un used screw holes Holes must align with front and back coil end plates Note that top cap has a 45 bend on one side and 90 bend on the other The 90 bend must be on the same side as the horizontal drain pan See figure 4 NOTE Use extreme care when re installing screws into coil end plate engaging holes Misaligned screws may damage ...

Page 8: ...equipped with a factory installed internally mounted expansion valve Use Lennox L15 sweat series line sets as shown in Table 1 or use field fabricated refrigerant lines L10 flare line sets may be used by cutting off flare nut Refer to the piping section of the Lennox Unit Information Service Manual for proper size type and application of field fabricated lines Table 1 Refrigerant Line Sets CB29M C...

Page 9: ... cleaning and must not interfere with filter access 7 Auxiliary drain should run to an area where homeown er will notice any drainage Refer to local codes Filters IMPORTANT Filter access panel must be in place during unit op eration Excessive warm air entering the unit may re sult in water blow off problems Each unit includes a factory installed filter Note that filter access door fits over access...

Page 10: ...55 450 350 25 60 640 300 220 810 385 280 925 440 345 30 75 625 295 220 795 375 270 900 425 335 40 100 595 280 210 750 355 255 850 400 320 50 125 555 260 195 700 330 240 800 380 305 60 150 510 240 185 640 300 225 725 340 290 70 175 395 185 165 620 295 265 75 185 570 270 255 NOTE All air data is measured external to unit with air filter in place Electric heaters have no appreciable air resistance Ta...

Page 11: ... 410 1115 525 510 1435 675 640 15 35 940 445 400 1110 525 500 1415 670 630 20 50 935 440 390 1105 520 490 1400 660 615 25 60 930 440 385 1100 520 485 1380 650 600 30 75 920 435 375 1090 515 475 1360 645 585 40 100 910 430 360 1075 510 455 1325 625 555 50 125 895 420 345 1060 500 435 1280 605 520 60 150 880 415 330 1035 490 410 1225 580 480 70 175 855 405 315 1145 540 430 NOTE All air data is measu...

Page 12: ...0 1420 670 575 1585 750 665 1770 835 805 70 175 1355 640 555 1515 715 640 1700 800 780 80 200 1290 610 535 1450 685 620 1625 765 755 85 210 1255 590 525 1405 665 610 1595 750 745 NOTE All air data is measured external to unit with air filter in place Electric heaters have no appreciable air resistance Table 10 CB29M 65 Blower Performance 208 230v External Static Air Volume and Motor Watts at Speci...

Page 13: ...895 425 300 1030 485 365 05 10 695 330 245 890 420 295 1015 480 360 10 25 690 325 240 875 415 290 1000 470 355 15 35 680 320 235 860 405 285 980 465 345 20 50 665 315 230 845 400 280 960 455 340 25 60 650 310 220 825 390 275 935 440 335 30 75 635 300 215 800 380 265 910 430 325 40 100 590 280 205 745 355 250 850 400 310 50 125 535 255 190 685 320 235 780 370 295 60 150 470 220 175 605 285 220 705 ...

Page 14: ... 495 10 25 1170 550 380 1510 715 480 15 35 1180 560 285 1495 705 470 20 50 1190 560 280 1475 695 455 25 60 1185 560 275 1450 685 440 30 75 1175 555 375 1415 670 430 40 100 1135 535 325 1335 630 400 50 125 1060 500 300 1230 580 375 60 150 960 455 280 1100 520 345 70 175 830 390 255 950 450 320 75 185 750 355 245 870 410 305 NOTE All air data is measured external to unit with air filter in place Ele...

Page 15: ...90 15 35 1750 825 510 1850 875 585 20 50 1720 815 500 1825 860 575 25 60 1685 795 490 1790 845 560 30 75 1645 775 480 1745 825 545 40 100 1530 720 450 1625 765 505 50 125 1380 650 420 1465 690 470 60 150 1195 565 385 1270 600 425 70 175 975 460 350 1030 485 385 80 200 720 340 320 755 355 340 NOTE All air data is measured external to unit with air filter in place Electric heaters have no appreciabl...

Page 16: ...pecified low voltage opening Run line voltage wiring only through specified high voltage opening Do not combine voltage in one opening Wiring must conform to the current National Electric Code ANSI NFPA No 70 or Canadian Electric Code Part I CSA Standard C22 1 and local building codes Refer to follow ing wiring diagrams See unit nameplate for minimum cir cuit ampacity and maximum overcurrent prote...

Page 17: ...Page 17 CB29M CB30M SERIES System Wiring Diagrams CB29 CB30 Typical Wiring Diagram Single Phase Figure 11 ...

Page 18: ...Page 18 504719M 09 05 CB29 CB30 Typical Wiring Diagram Three Phase Figure 12 ...

Page 19: ...TE ALL REMAINING WIRES ARE FACTORY INSTALLED TO EXTERNAL LOAD 24VAC AT 50 AMP MAXIMUM FACTORY INSTALLED JUMPERS NOTE USE COPPER CONDUCTORS ONLY REFER TO UNIT RATING PLATE FOR MINIMUM CIRCUIT AMPACITY AND MAXIMUM OVERCUR RENT PROTECTION SIZE LINE VOLTAGE FIELD INSTALLED CLASS 2 VOLTAGE FIELD INSTALLED NEC CEC NOTE ALL REMAINING WIRES ARE FACTORY INSTALLED TO EXTERNAL LOAD 24VAC AT 50 AMP MAXI MUM T...

Page 20: ... HEAT REVERSING VALVE COMPRESSOR POWER SERVICE LIGHT THERMISTOR Y2 2ND STAGE COMPRESSOR Y2 6 7 8 1 4 7 3 6 9 NOTE ALL REMAINING WIRES ARE FACTORY INSTALLED THERMOSTAT HEAT ANTICIPATION SETTING 0 4 AMP ELECTRIC HEAT FACTORY INSTALLED JUMPERS WHEN OUTDOOR THERMOSTAT IS USED CONNECT LEADS TO TERMINALS R AND W2 AND REMOVE JUMPER BETWEEN TERMINALS R AND W2 EMERGENCY HEAT RELAY USED ONLY IF OUTDOOR T ST...

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