Carrier 39T Installation, Start-Up And Service Instructions Manual Download | Manualshive

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Table 20 — Direct Expansion Coil Circuiting Data (cont)

MEDIUM FACE AREA COILS (cont)

39T UNIT SIZE

17

21

26

CIRCUITING TYPE

Half

Full

Double

Half

Full

Double

Half

Full

Double

Airlfow (cfm) at 550 fpm

6989

9420

11,970

Total Face Area (sq ft)

12.7

17.1

21.8

Tubes in Face

22

28

32

Tube Length (in.)

66

9

⁄

16

70

1

⁄

2

78

3

⁄

8

No. of Circuits — Total

11

22

44

14

28

56

16

32

64

4-Row Coil

Circuit Equivalent Length (in.)

54.9

32.7

—

57.5

34.0

—

62.7

36.6

—

Face-Split Coils

No. of TXVs

2

2

—

2

2

—

2

2

—

No. of Circuits/Distributor*

6

11

—

7

14

—

8

16

—

Suction Connections (in. OD)

1

1

⁄

8

1

3

⁄

8

—

1

3

⁄

8

1

5

⁄

8

—

1

3

⁄

8

1

5

⁄

8

—

Distributor Connections (in. OD)

7

⁄

8

1

3

⁄

8

—

7

⁄

8

1

3

⁄

8

—

1

1

⁄

8

1

3

⁄

8

—

Distributor Tube Length (in.)

21

18

—

21

21

—

15

21

—

Distributor Nozzle Size†

6

6

—

10

10

—

12

12

—

Row-Split Coils

No. of TXVs

2

2

—

2

2

—

2

2

—

No. of Circuits/Distributor*

6

11

—

7

14

—

8

16

—

Suction Connections (in. OD)

1

1

⁄

8

1

3

⁄

8

—

1

3

⁄

8

1

5

⁄

8

—

1

3

⁄

8

1

5

⁄

8

—

Distributor Connections (in. OD)

7

⁄

8

1

3

⁄

8

—

7

⁄

8

1

3

⁄

8

—

1

1

⁄

8

1

3

⁄

8

—

Distributor Tube Length (in.)

21

18

—

21

21

—

15

21

—

Distributor Nozzle Size†

6

6

—

10

10

—

12

12

—

6-Row Coil

Circuit Equivalent Length (in.)

83.0

40.8

—

87.0

42.7

—

94.9

46.7

—

Face-Split Coils

No. of TXVs

2

2

—

2

2

—

2

2

—

No. of Circuits/Distributor*

6

11

—

7

14

—

8

16

—

Suction Connections (in. OD)

1

1

⁄

8

1

3

⁄

8

—

1

3

⁄

8

1

5

⁄

8

—

1

3

⁄

8

1

5

⁄

8

—

Distributor Connections (in. OD)

7

⁄

8

1

3

⁄

8

—

7

⁄

8

1

3

⁄

8

—

1

1

⁄

8

1

3

⁄

8

—

Distributor Tube Length (in.)

21

18

—

21

21

—

15

21

—

Distributor Nozzle Size†

6

6

—

10

10

—

12

12

—

Row-Split Coils

No. of TXVs

2

2

—

2

2

—

2

2

—

No. of Circuits/Distributor*

6

11

—

7

14

—

8

16

—

Suction Connections (in. OD)

1

1

⁄

8

1

3

⁄

8

—

1

3

⁄

8

1

5

⁄

8

—

1

3

⁄

8

1

5

⁄

8

—

Distributor Connections (in. OD)

7

⁄

8

1

3

⁄

8

—

7

⁄

8

1

3

⁄

8

—

1

1

⁄

8

1

3

⁄

8

—

Distributor Tube Length (in.)

21

18

—

21

21

—

15

21

—

Distributor Nozzle Size†

6

6

—

10

10

—

12

12

—

8-Row Coil

Circuit Equivalent Length (in.)

—

54.9

26.7

—

57.5

28.0

—

62.7

30.6

Face-Split Coils

No. of TXVs

—

2

4

—

2

4

—

2

4

No. of Circuits/Distributor*

—

11

11

—

14

14

—

16

16

Suction Connections (in. OD)

—

1

3

⁄

8

1

3

⁄

8

—

1

5

⁄

8

1

5

⁄

8

—

1

5

⁄

8

1

5

⁄

8

Distributor Connections (in. OD)

—

1

3

⁄

8

1

3

⁄

8

—

1

3

⁄

8

1

3

⁄

8

—

1

3

⁄

8

1

3

⁄

8

Distributor Tube Length (in.)

—

18

13

—

21

13

—

21

21

Distributor Nozzle Size†

—

6

3

—

10

5

—

12

6

Row-Split Coils

No. of TXVs

—

2

4

—

2

4

—

2

4

No. of Circuits/Distributor*

—

11

11

—

14

14

—

16

16

Suction Connections (in. OD)

—

1

3

⁄

8

1

3

⁄

8

—

1

5

⁄

8

1

5

⁄

8

—

1

5

⁄

8

1

5

⁄

8

Distributor Connections (in. OD)

—

1

3

⁄

8

1

3

⁄

8

—

1

3

⁄

8

1

3

⁄

8

—

1

3

⁄

8

1

3

⁄

8

Distributor Tube Length (in.)

—

18

13

—

21

13

—

21

21

Distributor Nozzle Size†

—

6

3

—

10

5

—

12

6

LEGEND

TXV — Thermostatic Expansion Valve (Field-Supplied)

*Where each distributor has the same number of circuits, that number is shown once. When a coil has

an uneven number of circuits per distributor, both values are shown. For example, the upper coil of a
half-circuit size 61 medium face area coil has 6 circuits on each distributor; the lower coil has 6 circuits
on one distributor and 7 circuits on the other distributor.

†Factory-supplied distributors have factory-selected nozzle sizes shown. If necessary, replace factory-

supplied nozzles with field-supplied and installed nozzles. Consult Electronic Catalog

AHU Builder™

program for correct nozzle selection.

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Summary of Contents for 39T

Page 1: ...nd and ready for imme diate use PREVENT unauthorized entry into the unit leave safety latches in place on access doors except during installation or service procedures After accessing a section replace and tighten the safety latch FIELD SUPPLIED MOTORS should be Underwriters Labo ratories UL or Canadian Standards Association CSA approved FIELD WIRING must comply with National Electrical Code NEC a...

Page 2: ...rs UNIT AND COMPONENT IDENTIFICATION The 39T comes in two basic configurations horizontal and vertical Using these sections it is possible to design many unit variations including blow thru units and plenum fan units with multiple discharges Table 1 lists and describes the 4 digit part number pre fixes used to abbreviate the names of each 39T component Fig 1 shows an example of the 18 digit model ...

Page 3: ...Box top and rear inlet for use with EXB1 standard dampers 07 92 MXB6 Mixing Box top and rear inlet premium dampers 07 92 MXB7 Mixing Box top and rear inlet for use with EXB2 pre mium dampers 07 92 PAF3 Plenum Fan draw thru 11 92 VCS1 Vertical Cooling Coil L 07 61 VCS2 Vertical Cooling Heating Coil L 13 26 M 32 61 VCS3 Vertical Heating Cooling Coil L 13 26 M 32 61 39T Return Fan Components COMPONEN...

Page 4: ...tact your Carrier sales representative for the AHU Builder program 2 See Table 1 on page 3 for component descriptions and recommended section sequences 3 All components have individual base rails 4 Connection flanges are supplied between all components 5 Hand refers to fan motor location or coil header location when facing compo nent inlet For components with one access door hand also refers to do...

Page 5: ...or unit sizes 61 92 ACC1 required between EHS1 and FBH1 ACC1 required be tween FBH1 and BCC2 BPH1 and LCS1 BCC2 and LCS1 and LCS1 and MCS1 ACC1 required for service when upstream section is a coil Two coils are supplied in the section for unit size 92 FBH1 is required upstream of BPH1 Not available for unit sizes 74 and 92 ACC1 required when AMX1 is used with FMB LEGEND FIOP Factory Installed Opti...

Page 6: ...3 8 8 39T FANS AMX1 H EHS1 FLT1 MHS1 BCF1 ACC1 3 ANG1 C C H 39T COILS 1 1 15 MBX1 5 6 7 FMB1 2 3 4 ACC1 6 4 5 8 7 39TU FAN 39T FIOPS SIZES 07 26 Fig 2 Recommended Section Sequences Horizontal Draw Thru Without Face and Bypass Section 6 ...

Page 7: ...1 ANG1 3 BCF1 FLT1 MHS1 EHS1 C MCS1 C C LCS1 ACC1 ACC1 H MHS1 9 9 39T COILS PAF3 8 8 8 FCS3 AFS3 39T FANS 1 9 6 39T FIOPS 39TU FAN SIZES 32 92 Fig 2 Recommended Section Sequences Horizontal Draw Thru Without Face and Bypass Section cont 7 ...

Page 8: ... H C C BCC2 11 10 MXB1 5 6 7 1 1 15 ACC1 ANG1 AMX1 MHS1 BCF1 FLT1 EHS1 FMB1 2 3 4 ACC1 3 39T COILS 39T A THROUGH 39T E MHS1 7 8 H 2 FBH2 H FBH1 C FBC1 39T FIOPS 39TU FAN 10 10 SIZES 07 26 Fig 3 Recommended Section Sequences Horizontal Draw Thru With Face and Bypass Section 8 ...

Page 9: ...3 8 9 15 FLT1 39TU FAN 39T FANS 39T FIOPS 39T A THROUGH 39T E 39T COILS BCC2 2 10 MXB1 5 6 7 FMB1 2 3 4 1 1 MCS1 LCS1 C C C ACC1 6 H 9 MHS1 12 8 11 11 H 2 FBH2 H FBH1 C FBC1 SIZES 32 92 Fig 3 Recommended Section Sequences Horizontal Draw Thru With Face and Bypass Section cont 9 ...

Page 10: ...AILABLE C LCS1 C MCS1 6 ACC1 VCS1 C 1 1 15 MXB1 5 6 7 FMB1 2 3 4 ACC1 AMX1 3 BCF1 FLT1 EHS1 ANG1 ACC1 39T COILS 39T FANS 39T FIOPS VCS2 3 H C H C SIZES 07 26 Fig 4 Recommended Section Sequences Vertical Draw Thru Without Face and Bypass Section 10 ...

Page 11: ...CS1 9 LCS1 C C C AFS4 FCS4 DOWNSTREAM COMPONENTS NOT AVAILABLE C C VCS1 6 ACC1 3 9 BCF1 MHS1 15 ACC1 39T FANS 39T COILS H VCS2 3 H C H C 39T FIOPS SIZES 32 61 Fig 4 Recommended Section Sequences Vertical Draw Thru Without Face and Bypass Section cont 11 ...

Page 12: ...ENTS NOT AVAILABLE VCS1 39T FANS LCS1 C C ACC1 C 6 AMX1 15 ACC1 FMB1 2 3 4 1 MXB1 5 6 7 1 3 BCF1 ANG1 FLT1 EHS1 ACC1 10 MHS1 H 39T FIOPS VCS2 3 H C H C 11 11 H 2 FBH2 H FBH1 C FBC1 SIZES 07 26 Fig 5 Recommended Section Sequences Vertical Draw Thru Bypass Heat Only 12 ...

Page 13: ...S H 9 MCS1 9 LCS1 BPH1 C C C ACC1 ANG1 FLT1 ACC1 10 EHS1 3 BCF1 H MHS1 9 1 1 15 ACC1 FMB1 2 3 4 AMX1 MXB1 5 6 7 39T A AND 39T E 39T FIOPS VCS2 3 H C H C 11 H 2 FBH2 H FBH1 C FBC1 13 SIZES 32 61 Fig 5 Recommended Section Sequences Vertical Draw Thru Bypass Heat Only cont 13 ...

Page 14: ...S AFS AND FCS PAF5 7 39T9 39T FIOPS ACC2 BCS1 ZDS1 9 H H C BCS2 ZDS2 C BCS3 C BCS4 C BCS7 9 9 9 9 6 ACC2 ANG1 FLT1 3 BCF1 ACC1 ACC1 FMB1 2 3 4 1 MXB1 5 6 7 1 15 AMX1 BCF3 3 BCF3 3 Fig 6 Recommended Section Sequences Blow Thru Sizes 07 92 14 ...

Page 15: ...RAF2 RFC2 14 EXHAUST AIR EXB1 2 TO OTHER ARRANGEMENTS 39T UNIT PAF5 7 39TU Fig 7 Recommended Section Sequences Return Air and Exhaust Sizes 07 92 15 ...

Page 16: ...1 2 625 8 x 30 669 16 x 35 701 2 x 421 2 783 8 x 471 2 Total Face Area sq ft 6 7 8 9 10 5 13 0 16 2 20 8 25 8 Small Face Area Nominal Capacity cfm 2608 3416 3990 4564 5 660 7 708 9 521 at 700 fpm Size Length x Width in 4215 16 x 121 2 467 8 x 15 543 4 x 15 625 8 x 15 669 16 x 171 2 701 2 x 221 2 783 8 x 25 Total Face Area sq ft 3 7 4 9 5 7 6 5 8 1 11 0 13 6 Bypass Internal Nominal Capacity cfm 365...

Page 17: ... 30 U 113 x 321 2 L 1283 4 x 321 2 U 1283 4 x 35 L 1283 4 x 40 U 1283 4 x 421 2 L Total Face Area sq ft 26 9 31 0 38 7 49 0 60 4 73 8 Small Face Area Nominal Capacity cfm at 700 fpm 9 904 11 947 14 756 19 224 23 468 26 597 Size Length x Width in 811 2 x 25 893 8 x 271 2 1013 16 x 30 113 x 35 1283 4 x 371 2 1283 4 x 421 2 Total Face Area sq ft 14 2 17 1 21 1 27 5 33 5 38 0 Bypass Internal Nominal C...

Page 18: ...6 4 7 9 10 1 12 4 15 2 Small Face Area 1 Row 0 5 0 7 0 8 1 0 1 2 1 6 2 0 1 5 1 8 2 2 2 8 3 4 3 9 2 Row 2 0 1 4 1 6 2 0 2 4 3 2 4 0 2 9 3 5 4 3 5 6 6 9 7 8 Bypass Face Area 1 Row 0 5 0 7 0 8 1 0 1 2 1 6 2 0 2 0 2 4 3 1 4 0 4 8 5 7 2 Row 1 0 1 4 1 6 2 0 2 4 3 2 4 0 4 1 4 8 6 1 8 1 9 7 11 5 NOTE One gallon of water weighs 8 33 lbs Table 4 Chilled Water Coil Connection Sizes CIRCUIT TYPE FACE AREA 39T...

Page 19: ... Direct Expansion coil NUMBER OF ROWS FACE AREA 39T UNIT SIZE 07 09 11 13 17 21 26 32 39 49 61 74 92 Refrigerant R 22 lb 4 Large 4 5 5 6 8 11 13 14 19 21 30 38 45 Medium 3 4 5 5 7 9 10 11 12 19 21 30 38 6 Large 5 7 7 9 12 15 19 25 31 39 47 53 66 Medium 4 6 7 8 10 13 15 19 24 31 39 47 53 8 Large 7 8 10 12 15 20 24 35 40 48 60 70 87 Medium 5 7 9 10 13 16 21 30 32 40 48 60 70 Table 8 Coil Moisture Bl...

Page 20: ...pace limitations 15 Hp is 60 Hz NOTES 1 Motor data applies to units with or without inlet guide vanes 2 Data shown is for both 50 Hz and 60 Hz motors Table 10 Forward Curved Fan Physical Data 39T UNIT SIZE 07 09 11 13 17 21 26 32 39 49 61 WHEEL DIAMETER in 12 15 15 18 20 22 25 25 271 2 30 36 MAX SPEED rpm 2000 1600 1600 1400 1200 1175 1000 1000 900 840 650 FAN SHEAVE BORE in 13 16 13 16 13 16 17 1...

Page 21: ...0 60 75 100 100 Minimum 2 2 2 3 5 5 5 7 5 10 20 20 NOTES 1 Motor data applies to units with or without inlet guide vanes 2 Data shown is for both 50 Hz and 60 Hz motors Table 12 Plenum Fan Physical Data Small Wheel 39T UNIT SIZE 21 26 32 39 49 61 74 92 WHEEL DIAMETER in 241 2 27 27 33 361 2 401 4 441 2 541 4 MAX SPEED rpm 2325 2020 2020 1652 1473 1335 1208 991 FAN SHEAVE BORE in 111 16 111 16 111 ...

Page 22: ...il See Fig 9 3 Lift the unit with slings and header bars using clevises and pins in the large oval holes in the unit s lifting brackets When the unit is in its final location do not remove the caps from the coil connections until the coil is ready for pip ing Do not remove grease from the fan shaft until the drive sheave is ready for installation During installation insulation and bottom panels ca...

Page 23: ..._ mm 25 4 _ _ _ _ in 3 Dimensions in millimeters mm inches mm inches 17 11 16 42 15 8 27 11 16 46 113 16 30 13 16 50 115 16 32 11 4 51 2 36 13 8 60 23 8 38 11 2 100 315 16 60 30 36 SIZE 07 61 32 SIZE 74 92 ISOLATOR HOLE 17 DIA 46 SIZE 07 61 42 SIZE 74 92 LIFTING SLOT 38 x 51 LG 100 50 60 SIZE 07 61 27 SIZE 74 92 23 ...

Page 24: ...12 250 287 290 205 254 212 287 290 25 240 309 394 358 273 363 240 394 368 30 283 300 436 436 283 414 284 436 436 40 372 415 661 661 416 470 370 661 661 50 440 414 686 686 403 527 440 686 686 60 591 652 790 799 545 790 591 799 75 620 706 840 850 651 884 670 850 100 750 782 1450 1475 1133 1450 750 1008 125 950 1000 1600 1600 1210 1625 950 1714 LEGEND ODP Open Drip Proof TEFC Totally Enclosed Fan Coo...

Page 25: ...R ZDS1 125 140 155 173 190 205 225 FBH1 263 313 361 412 470 543 610 FBH2 346 396 444 495 553 626 693 FBC1 198 270 336 412 490 578 880 EXB1 150 180 200 240 365 395 425 EXB2 150 180 200 240 365 395 425 AIR MIXER AMX1 220 233 252 360 392 422 448 MIXING BOX MXB1 160 190 230 275 400 450 500 MXB5 160 190 230 275 400 450 500 MXB6 160 190 230 275 400 450 500 MXB7 160 190 230 275 400 450 500 FILTER MIXING ...

Page 26: ...41 266 333 366 452 452 FBH1 720 806 930 1108 1252 1410 FBH2 805 895 1027 1215 1369 1535 FBC1 957 1099 1244 1470 1661 1955 EXB1 498 622 700 862 1010 1110 EXB2 498 622 700 862 1010 1110 AIR MIXER AMX1 568 629 680 883 1172 1217 MIXING BOX MXB1 574 712 814 1002 1178 1310 MXB5 574 712 814 1002 1178 1310 MXB6 574 712 814 1002 1178 1310 MXB7 574 712 814 1002 1178 1310 FILTER MIXING BOX FMB1 775 910 1014 ...

Page 27: ...686 843 1028 1236 1487 8 8 170 221 251 305 349 455 563 729 822 1011 1238 1491 1795 11 176 229 259 315 361 472 584 755 852 1048 1284 1547 1863 14 182 236 268 326 373 488 604 781 882 1084 1329 1603 1930 10 8 206 268 305 372 427 558 692 895 1011 1244 1529 1845 2222 11 213 278 316 386 442 579 718 928 1049 1290 1586 1915 2307 14 220 287 327 399 458 599 743 961 1086 1336 1644 1985 2391 HOT WATER LARGE 1...

Page 28: ...BC1 MCS1 MHS1 BPH1 FBH1 FBH2 07 4 511 16 5 65 8 2 515 16 1 61 8 2 97 8 1 61 8 1 23 16 1 23 16 1 515 16 3 113 16 2 515 16 2 0 2 515 16 09 4 95 8 5 109 16 2 97 8 2 515 16 11 5 51 2 6 61 2 2 97 8 2 515 16 13 6 13 8 7 23 8 3 113 16 3 113 16 17 6 51 4 7 61 4 3 53 4 3 113 16 3 113 16 21 6 91 4 7 103 16 3 911 16 2 2 3 53 4 26 7 51 16 8 6 4 15 8 3 53 4 32 7 9 8 10 4 59 16 3 113 16 4 59 16 1 61 8 1 61 8 1 ...

Page 29: ...4 3 113 16 3 113 16 21 6 91 4 7 103 16 3 911 16 2 2 3 53 4 26 7 51 16 8 6 4 15 8 3 53 4 32 7 9 8 10 4 59 16 4 59 16 1 61 8 4 15 8 39 8 47 8 9 57 8 4 91 2 4 91 2 3 53 4 4 59 16 49 9 411 16 10 511 16 5 53 8 5 53 8 2 9 4 59 16 61 10 49 16 11 59 16 6 13 16 6 13 16 4 15 8 3 1 5 17 16 Service area required for access door s on side opposite hand and for coil removal NOTE See Table 1 for component descri...

Page 30: ...6 2 2 26 7 51 16 8 6 4 15 8 4 15 8 32 7 911 16 8 10 4 59 16 4 59 16 39 8 47 8 9 57 8 4 91 2 4 91 2 49 9 411 16 10 511 16 5 53 8 5 53 8 2 9 61 10 49 16 11 59 16 6 13 16 6 13 16 3 1 74 11 81 4 12 91 4 6 53 16 6 53 16 92 7 815 16 7 815 16 Service area required for access door s on side opposite hand and for coil removal Blow thru sections downstream from fan are shipped separately NOTE See Table 1 fo...

Page 31: ...crews in the base frame assembly Remove and discard the lower bracket and wood shipping skid 5 Repeat Steps 1 4 on the opposite side of the fan section Fan sled assembly should float on isolator springs when done REMOVING J BOLT AIRFOILAND FORWARD CURVED FANS Sizes 32 92 Remove the J Bolt Fig 16 as follows 1 Open fan access door 2 Locate the J Bolt Loosen and remove the nut securing the J Bolt in ...

Page 32: ...ase clear ance or counterclockwise to increase clearance 3 Tighten the locknut 4 Repeat for each of the isolator springs and ensure that the fan sled is floating on the springs REMOVING HOLDDOWN BOLTSANDADJUSTING ISO LATOR SPRINGS PLENUM FANS Remove holddown bolts securing fan sled to bottom of unit Plenum fans with factory supplied motors should not require vibration isola tor adjustment For plen...

Page 33: ...r Mounted Units PLAN VIEW HOLDDOWN BRACKET SCREW LOCATIONS BOTTOM PANEL OR DOUBLE WALL SHEET METAL SCREWS LOCKNUT NUT ISOLATOR SPRING REF J BOLT REMOVE COMPLETELY SHEET METAL SCREWS ADJUSTABLE STEM MOTOR BASE DOOR FRAME AND SIDE PANEL S Fig 16 Removing J Bolt and Adjustment of Isolator Spring Airfoil and Forward Curved Fans Sizes 32 92 33 ...

Page 34: ...lation Rigging and Handling sec tion page 22 Assemble connection flanges shown in Fig 18 as follows 1 Place the provided 1 4 in thick x 11 2 in wide grey foam gasket around the perimeter of one of the flanges 2 Rig and align the flange connections on the 2 compo nents so that the fastener holes are aligned 3 Fasten the flanges together with the fasteners provided NOTE Connection flanges are availa...

Page 35: ... E BCS1 Horizontal Discharge BCS2 Vertical Discharge BCS1 Horizontal Discharge BCS2 Vertical Discharge BCS1 Horizontal Discharge BCS2 Vertical Discharge BCS3 Horizontal discharge BCS4 Vertical Discahrge 07 4 013 16 0 101 8 0 913 16 0 77 8 0 913 16 0 33 8 0 19 16 0 97 16 0 97 16 09 4 43 4 0 101 8 0 913 16 0 77 8 0 913 16 0 33 8 0 19 16 0 97 16 0 97 16 11 5 05 8 0 101 8 0 913 16 0 77 8 0 913 16 0 33...

Page 36: ...top perimeter of the cooling coil deck as shown in the detail in Fig 21 3 An attachment angle is located on the upstream side of the cooling section Keep the angle in place it aligns the heating section with the cooling section 4 Rig the heating coil section and lift it into position on the gasketed cooling coil section 5 Fasten all 4 sides of the heating coil section to the cool ing coil section ...

Page 37: ... precautions must be taken to prevent con densation from forming inside the junction box of the in ternally mounted motor Standard installation practice is to mount the motor starter or fused disconnect box adjacent to the air handler and en close the power wiring to the motor in flexible conduit The sheet metal housing of the disconnect switch or mo tor starter is not airtight even when a box mee...

Page 38: ...and level The most common causes of mis alignment are nonparallel shafts and improperly located sheaves Where shafts are not parallel belts on one side are drawn tighter and pull more than their share of the load As a result these belts wear out faster requiring the entire set to be re placed before it has given maximum service If misalign ment is in the sheave belts enter and leave the grooves at...

Page 39: ...pan Deflection 64 Solution a From Fig 29 find that deflection force for type A su per belt with 5 in small sheave PD is 4 to 51 2 lbs b 16 Deflection 64 1 4 in c Increase or decrease belt tension until force required for 1 4 in deflection is 51 2 lbs Check belt tension at least twice during first operating day Readjust as required to maintain belt tension within the recommended range With correct ...

Page 40: ... the jackshaft 5 Take the anti rotation bracket supplied with the actuator and with the center locking pin pointed outward slip the pin into the slot at the far end of the actuator Seat the pin into the center of the groove provided If the anti rotation bracket is not seated against the frame member measure the distance from the member and remove the anti rotation bracket from the actuator Bend th...

Page 41: ...ivel joint is at the 12 o clock posi tion With the swivel joint at the same 12 o clock position other discharge arrangements upblast or downblast should have fully open vanes Regardless of the swivel joint posi tion the jackshaft crankarm and swivel on the left and right vane assemblies must be in line with each other for correct operation Table 16 Inlet Guide Vane Actuator Requirements 39T UNIT S...

Page 42: ...32 Standard 60 I II 0 27 6 43 2 52 Use to calculate torque requirements for a given plenum fan and fan wheel using the following formula Total Torque Required in lb A cfm 2 B x ESP C 1000 where cfm is the design airflow and ESP is the external static pres sure in wg Plenum Fan Duct Connections Refer to the manu facturer s Installation Operation and Maintenance instruc tions taped to the fan cabine...

Page 43: ...Fig 34 Discharge Fabrication Draw Thru Plenum Fans 43 ...

Page 44: ...BOTH DAMPERS INTERCONNECTED MXB 26 35 42 49 66 80 100 122 150 188 232 260 352 FMB EACH DAMPER SEPARATE MXB 22 29 35 41 55 67 83 102 125 157 194 217 294 FMB EXHAUST AIR EXB 22 29 35 41 55 67 83 102 125 157 194 217 294 FACE BYPASS FBP 35 45 55 65 85 105 130 160 194 245 305 370 460 ZONE DAMPERS see Note 2 ZDS 12 12 12 12 12 12 12 12 12 12 12 12 12 No of Zones 5 5 6 7 7 7 8 9 9 11 12 14 14 Observe the...

Page 45: ...is line between the outdoor air and re turn air damper jackshafts 2 Fully open the return air damper and install the crankarm on the damper jackshaft at a position which is offset 30 degrees clockwise from the perpendicular axis line be tween the outdoor air and return damper jackshafts 3 Install the connecting rod between the two crankcarms and secure in place The distance from the center line to...

Page 46: ...AMPERS RETURN AIR DAMPER CW OPENING 30 DEGREES CW FROM PARALLEL AXIS ACTUATOR MIXING BOX 30 DEGREES CCW FROM PERPENDICULAR AXIS CONNECTING ROD TYPICAL DAMPER SECONDARY LINKAGE TYPICAL DAMPER SECONDARY LINKAGE LEGEND CCW Counterclockwise CW Clockwise Fig 36 Mixing Box Filter Mixing Box Typical Damper Arrangement Fig 37 Mixing Box Filter Mixing Box Sizes 07 21 Typical Damper Arrangement Top and Rear...

Page 47: ...Fig 38 Mixing Box Filter Mixing Box Sizes 26 92 Typical Damper Arrangement Top and Rear Fig 39 Mixing Box Filter Mixing Box Sizes 26 92 Typical Damper Arrangement Bottom and Rear 47 ...

Page 48: ...line to the return line down stream of the return line trap To prevent scale or foreign matter from entering the con trol valve and coil install a 3 32 in mesh strainer in the steam supply line upstream from the control valve Provide air vents for the coils to eliminate noncon densable gases Select a control valve according to the steam load not the coil s supply connection size Do not use an over...

Page 49: ...Fig 41 Coil Connections and Lifting Points Fig 42 Steam Coil PIping 49 ...

Page 50: ...are on the air en tering side when the coil is properly installed Matching dis tributor connections for each coil split are on the air leaving side See unit label or certified drawing to assure connection to matching suction and liquid connections Table 19 shows distributor part numbers Table 20 shows DX coil circuiting data NOTE Distributor nozzles are factory selected and installed for adequate ...

Page 51: ...ze 4 4 5 5 6 6 8 8 Row Split Coils No of TXVs 2 2 2 2 2 2 2 2 No of Circuits Distributor 4 5 9 5 6 11 5 6 11 6 12 Suction Connections in OD 11 8 13 8 11 8 13 8 11 8 13 8 11 8 13 8 Distributor Connections in OD 7 8 11 8 7 8 13 8 7 8 13 8 7 8 13 8 Distributor Tube Length in 16 15 21 18 21 18 21 18 Distributor Nozzle Size 4 4 5 5 6 6 8 8 8 Row Coil Circuit Equivalent Length in 79 7 39 1 85 0 41 7 47 ...

Page 52: ...ils No of TXVs 2 2 2 2 2 4 No of Circuits Distributor 7 14 8 9 17 9 10 9 10 Suction Connections in OD 13 8 15 8 13 8 15 8 13 8 15 8 Distributor Connections in OD 7 8 13 8 11 8 13 8 11 8 11 8 Distributor Tube Length in 21 21 15 21 28 18 Distributor Nozzle Size 10 10 12 12 15 15 8 Row Coil Circuit Equivalent Length in 54 9 26 7 57 5 28 0 62 7 30 6 Face Split Coils No of TXVs 2 4 2 4 4 8 No of Circui...

Page 53: ... 10 10 12 12 12 12 12 12 15 15 Row Split Coils No of TXVs 2 2 2 2 2 2 2 2 2 2 2 2 No of Circuits Distributor 5 6 6 11 12 6 6 7 12 13 7 7 14 14 Suction Connections in OD 11 8 11 8 13 8 13 8 11 8 11 8 13 8 15 8 13 8 13 8 15 8 15 8 Distributor Connections in OD 7 8 7 8 13 8 13 8 7 8 7 8 13 8 13 8 7 8 7 8 13 8 13 8 Distributor Tube Length in 19 19 22 22 21 21 23 23 23 23 23 23 Distributor Nozzle Size ...

Page 54: ...12 17 17 20 20 20 20 25 25 12 12 Row Split Coils No of TXVs 2 2 2 2 2 2 2 2 4 4 4 4 No of Circuits Distributor 7 8 8 15 16 8 8 9 16 17 5 5 6 10 10 11 Suction Connections in OD 13 8 13 8 15 8 15 8 13 8 13 8 15 8 15 8 11 8 13 8 15 8 15 8 Distributor Connections in OD 7 8 7 8 13 8 13 8 11 8 11 8 13 8 13 8 7 8 7 8 13 8 13 8 Distributor Tube Length in 26 26 28 28 26 26 28 28 16 16 19 19 Distributor Noz...

Page 55: ...Size 3 3 4 4 5 5 6 6 Row Split Coils No of TXVs 2 2 2 2 2 2 2 2 No of Circuits Distributor 3 4 7 4 5 9 4 5 9 5 10 Suction Connections in OD 7 8 11 8 13 8 11 8 13 8 11 8 13 8 11 8 13 8 Distributor Connections in OD 7 8 7 8 7 8 11 8 7 8 11 8 7 8 11 8 Distributor Tube Length in 12 14 16 15 16 15 15 15 Distributor Nozzle Size 3 3 4 4 5 5 6 6 8 Row Coil Circuit Equivalent Length in 79 7 39 1 85 0 41 7 ...

Page 56: ... of TXVs 2 2 2 2 2 2 No of Circuits Distributor 6 11 7 14 8 16 Suction Connections in OD 11 8 13 8 13 8 15 8 13 8 15 8 Distributor Connections in OD 7 8 13 8 7 8 13 8 11 8 13 8 Distributor Tube Length in 21 18 21 21 15 21 Distributor Nozzle Size 6 6 10 10 12 12 8 Row Coil Circuit Equivalent Length in 54 9 26 7 57 5 28 0 62 7 30 6 Face Split Coils No of TXVs 2 4 2 4 2 4 No of Circuits Distributor 1...

Page 57: ...Split Coils No of TXVs 2 4 4 4 4 4 No of Circuits Distributor 9 10 9 10 5 10 5 6 11 Suction Connections in OD 13 8 15 8 11 8 15 8 11 8 15 8 Distributor Connections in OD 11 8 11 8 7 8 13 8 7 8 13 8 Distributor Tube Length in 28 18 16 18 16 21 Distributor Nozzle Size 15 8 8 8 12 12 8 Row Coil Circuit Equivalent Length 64 8 31 7 70 1 34 3 78 38 2 Face Split Coils No of TXVs 4 8 4 8 4 8 No of Circuit...

Page 58: ... 12 12 17 17 20 20 20 20 Row Split Coils No of TXVs 2 2 2 2 2 2 2 2 2 2 2 2 No of Circuits Distributor 6 6 7 12 13 6 7 7 13 14 8 8 9 16 17 Suction Connections in OD 11 8 13 8 13 8 13 8 11 8 13 8 15 8 15 8 13 8 13 8 15 8 15 8 Distributor Connections in OD 7 8 7 8 13 8 13 8 7 8 7 8 13 8 13 8 11 8 11 8 13 8 13 8 Distributor Tube Length in 21 21 23 23 22 22 23 23 26 26 28 28 Distributor Nozzle Size 12...

Page 59: ...factory installed distrib utor nozzle sizes UseAHU Builder program to select nozzles for best performance replacement nozzles must be field installed Perform nozzle change out procedure if necessary as follows 1 Field cut and remove end of distributor extension tube outside cabinet panel as shown in Fig 47 2 Remove nozzle retaining ring with screwdriver or needle nosed pliers 3 Remove nozzle from ...

Page 60: ...r using 95 5 tin antimony soft solder for easy removal 4 If required install field supplied adapter bushing or coupling to connector inlet before soldering to expansion valve outlet Table 21 Auxiliary Side Connector Hot Gas Bypass Data SPORLAN TYPE CARRIER PART NO CONNECTION SIZES in USED WITH SPORLAN DISTRIBUTOR TYPE NOZZLE SIZE Inlet ODM Solder Outlet ODF Solder Auxiliary ODF Solder ASC 5 4 5 8 ...

Page 61: ...ion connections Manifolding for 2 Row Splits Refer to Fig 51 and ex ternally manifold as outlined for the 2 face splits with the following exceptions 1 Manifold in pairs the first and third coil connections for one split 2 Manifold the second and fourth pairs of coil connections for the other split NOTE Split section using first and third pairs of coil con nections should be first on last off Hot ...

Page 62: ...alves Also install a com mon suction line from suction lines attached to first up per and second suction header connections 3 Repeat Step 2 for lower face split using third and fourth distributor and suction connections 4 For units with two coils repeat procedures of steps 1 2 and 3 for second coil Manifolding for 2 Row Splits Refer to Fig 54 for coils with less than 34 tubes in face Refer to Fig ...

Page 63: ...e Fig 52 Double Circuited Face Split Coil Manifolding Coils with Less Than 34 Tubes in Face Typical LEGEND TXV Thermostatic Expansion Valve Fig 53 Double Circuited Face Split Coil Manifolding Coils with More Than 34 Tubes in Face Typical 63 ...

Page 64: ...ve Fig 54 Double Circuited Row Split Coil Manifolding Coils with Less Than 34 Tubes in Face Typical LEGEND TXV Thermostatic Expansion Valve Fig 55 Double Circuited Row Split Coil Manifolding Coils with More Than 34 Tubes in Face Typical 64 ...

Page 65: ...tic pressure 1 inch Traps on draw thru units must store enough condensate to prevent losing the drain seal at start up The Minimum 1 2 P1 dimension ensures that enough condensate is stored To determine the trap dimensions for blow thru units find the coil s maximum positive pressure P1 in Fig 57 This figure is normally the fan total static pressure P1 fan total static pressure For all units provid...

Page 66: ...v or greater applications use 600 v rated wiring Size wires to carry 125 of current load on each set of terminals Table 23 Use the following formulas as required Single phase line current kW per set of terminals 1000 voltage Three phase line current kW per set of terminals 1000 voltage 1 73 Note that if the heater is rated at 50 kW or more and is controlled by a cycling device such as a multi stag...

Page 67: ...ps of the coil The secondary manual reset cutout is a bi metal disk type cutout This secondary thermal cutout is load carrying and is installed in each heater subcircuit The primary and secondary overtemperature pro tection systems are independent of each other The second ary system is designed to protect against possible failure of the primary system to deenergize the heater Sub circuits in the h...

Page 68: ... 4 U 250 250 6 92 38 500 256 6 400 350 222 5 U 300 300 21 18 62 3 45 26 300 125 3 2 0 175 109 3 1 0 150 74 36 350 206 5 U 300 300 179 4 4 0 225 99 42 400 275 6 500 350 239 5 U 350 300 26 22 55 3 34 16 300 95 2 U 1 125 82 2 U 2 110 74 30 350 206 5 U 300 300 179 4 U 4 0 255 99 35 400 275 6 500 350 239 5 U 350 300 LEGEND ARI Air Conditioning Refrigeration Institute FLA Total Full Load Amps of Electri...

Page 69: ...0 191 4 250 250 6 119 31 210 331 7 2 250 500 287 6 500 400 133 33 220 370 8 2 300 500 320 7 2 250 400 159 37 230 442 10 2 400 600 383 8 2 350 500 199 41 260 553 12 3 350 700 479 10 2 500 600 8 299 46 350 830 18 4 500 1200 720 15 4 350 1000 399 58 370 1108 24 5 500 1600 960 20 5 400 1200 465 60 420 1291 27 6 500 N A 1119 24 5 500 1600 92 73 0 6 133 36 160 370 8 2 300 500 320 7 2 250 400 166 33 220 ...

Page 70: ... 3 90 99 42 400 120 3 1 0 150 96 2 U 1 125 6 119 45 450 144 3 3 0 200 115 3 1 0 150 8 159 55 500 192 4 250 250 154 4 3 0 200 198 62 550 239 5 U 350 300 191 4 250 250 228 65 600 275 6 U 500 350 220 5 300 300 26 22 55 3 34 16 300 41 1 6 60 33 1 8 45 74 30 350 90 2 U 2 125 72 2 U 3 90 99 35 400 120 3 1 0 150 96 2 U 1 125 6 119 37 450 144 3 3 0 200 115 3 1 0 150 8 159 45 500 192 4 250 250 154 4 3 0 20...

Page 71: ...3 0 200 128 3 2 0 175 159 37 230 192 4 250 250 153 6 3 0 200 199 41 260 240 5 350 300 192 6 250 250 8 299 46 350 360 8 2 300 500 288 6 500 400 399 58 370 480 10 2 500 600 384 8 2 350 500 465 60 420 560 12 3 350 700 448 10 U 2 500 600 92 73 0 6 133 36 160 160 4 3 0 200 128 3 2 0 175 166 33 220 200 5 250 250 160 6 3 0 200 199 38 230 240 5 350 300 192 6 250 250 266 45 260 320 7 2 250 400 256 6 400 35...

Page 72: ...locking collars Fig 60 Also check tightness of setscrews on fan wheels and sheaves 4 Check tightness of fan shaft bearing mounting 5 Recheck sheave alignment and belt tension Refer to Fig 26 and 28 6 Hand turn fan to make certain fan wheel does not rub in housing 7 Check fan speed with a strobe type tachometer or use the following formula Obtain the motor rpm from the fan motor nameplate and read ...

Page 73: ...3 16 17 ft lb 7 16 7 32 25 ft lb 1 2 1 4 1 2 40 ft lb 5 8 5 16 90 ft lb 3 4 3 8 125 ft lb BEARING HOLDDOWN BOLT TORQUE BOLT SIZE in TORQUE ft lb 3 8 16 30 1 2 13 63 5 8 11 100 3 4 10 165 ROLLER EXTENDED RACE ONE OR BOTH SIDES SQUEEZE TYPE LOCKING COLLAR Fig 60 Fan Shaft and Bearing Details AIRFOIL SIDE VIEW Double Width Double Inlet FORWARD CURVED SIDE VIEW Double Width Double Inlet PLENUM END VIE...

Page 74: ...required Differential air pressure switch is fac tory set to open at 0 07 in wg close at 0 05 in wg and re quires no adjustment See Table 24 Electric Heater Troubleshooting Chart Heater electrical data is shown in Table 22 Fan Motor Replacement 1 Shut off motor power 2 Disconnect and tag power wires at motor terminals 3 Loosen motor brace to mounting rail attaching bolts Loosen belt tensioning bol...

Page 75: ...olding mirror in front of open vent in outlet header drain connection Mirror will fog if water is still present 5 Allow coil to stand for a few minutes repeat Step 4 until coil is dry Table 24 Electric Heater Troubleshooting Chart SYMPTOM PROBABLE CAUSE PROBABLE REMEDY HEATERS WILL NOT OPERATE Power supply failure due to faulty wiring or incorrect fusing Check power supply starting at main discon ...

Page 76: ...onal details 3 Slide the coil cover panel off the coil nozzles 4 Remove coil panels as required on both sides 5 Remove header and return baffle screws leaving baffle attached to coil assembly see Fig 65 6 Slide coil out of unit 7 Replace coils by reversing the preceding steps LEGEND 1 Accessory Side Panel 5 Baffle Angle Screw 2 Left Side Panel 6 Piping 3 Inside Baffles 7 Right Side Panel 4 Top Pan...

Page 77: ...6 Right Side Panels 2 Left Side Panels 7 Inside Baffle 3 Top Panels 8 Horizontal Baffle 4 Baffle Angle Screw 9 Upper Condensate Pan 5 Piping 10 Baffle Screw Fig 63 Horizontal or Vertical Unit Duct Coil Removal Vertical Unit Shown 77 ...

Page 78: ...Fig 64 Blow Thru Unit Coil Removal Fig 65 Plan View Typical Coil 78 ...

Page 79: ...ged at the beginning of the cooling and heating seasons Although not a direct part of the air handler outdoor air inlet screens and or grilles that may be present should also be checked regularly and cleaned as necessary They can eas ily become plugged with debris grease or other contami nants depending upon their location This reduces the avail ability of ventilation air which can contribute to i...

Page 80: ...FILTER BCF3 Cell Size in 24x24 Quantity 2 2 3 3 6 4 8 8 10 15 15 Cell Size in 24x20 Quantity 2 2 3 4 Cell Size in 24x12 Quantity 1 3 3 2 6 5 3 8 Nominal Face Area sq ft 8 0 8 0 10 0 12 0 18 0 22 0 28 0 28 0 32 0 44 0 50 0 66 0 76 0 NOTES 1 Do not exceed filter manufacturer s velocity limits when selecting filters 2 Flat filter section accepts either 1 in 2 in or 4 in standard type filters 3 Angle ...

Page 81: ...Fig 68 Filter Arrangement 2 in and 4 in Flat 81 ...

Page 82: ...Fig 68 Filter Arrangement 2 in and 4 in Flat cont 82 ...

Page 83: ...Fig 69 Filter Arrangement Angle Filters 2 in Only 83 ...

Page 84: ...Fig 69 Filter Arrangement Angle Filters 2 in Only cont 84 ...

Page 85: ...Fig 70 Filter Arrangement BCF1 Bag or Cartridge Draw Thru 85 ...

Page 86: ...Fig 70 Filter Arrangement BCF1 Bag or Cartridge Draw Thru cont 86 ...

Page 87: ...Fig 71 Filter Arrangement BCF3 Bag or Cartridge Blow Thru 87 ...

Page 88: ...Fig 71 Filter Arrangement BCF3 Bag or Cartridge Blow Thru cont 88 ...

Page 89: ...belts Adjust and align as described in Installation Sheaves and V Belts pages 38 and 39 14 Remove insulation protection 15 Replace access panels 16 Restore electrical power Fan and Shaft Removal On airfoil and forward curved fans the fan wheel and shaft may be removed through inlet side of fan housing See Fig 72 On plenum fans remove side top or end panel opposite inlet wherever duct work is not c...

Page 90: ...16 15 111 16 13 4 13 1713 16 125 16 17 8 18 127 16 17 8 17 1911 16 1315 16 23 16 20 143 16 21 16 21 219 16 151 8 25 8 22 163 8 25 8 26 24 155 8 33 8 25 167 8 27 16 32 267 16 165 16 211 16 25 191 16 33 16 39 291 8 185 8 33 16 271 2 217 8 21 4 49 359 16 215 16 41 16 30 249 16 23 4 61 393 8 2315 16 43 16 36 275 8 313 16 74 437 16 2711 16 57 16 92 437 16 333 8 59 16 Fig 73 Fan Cutoff Plate Data in Air...

Page 91: ...and drive pulley on the motor side 5 Move the motor and motor base assembly so that the mo tor is located in the standard position Upblast Front UBF to Top Horizontal Rear THR or THR to UBF 1 Remove the screws holding the long and short bearing support channels and fan housing to the base member 2 Rotate the fan housing wheel and support channels to the new position 3 Interchange the short bearing...

Page 92: ...NOTE A frame shown shaded Fig 74 Fan Discharge Positions 92 ...

Page 93: ...TOP HORIZONTAL FRONT ARRANGEMENT SHOWN ASSEMBLED RIGHT HAND SIZES 07 26 TOP HORIZONTAL FRONT ARRANGEMENT SHOWN ASSEMBLED RIGHT HAND SIZES 32 92 Fig 75 Scroll Assembly Airfoil Fan Without IGV 93 ...

Page 94: ...HORIZONTAL FRONT REAR ARRANGEMENT SHOWN ASSEMBLED RIGHT HAND SIZES 07 26 TOP HORIZONTAL FRONT REAR ARRANGEMENT SHOWN ASSEMBLED RIGHT HAND SIZES 32 61 Fig 76 Scroll Assembly Forward Curved Fan Without IGV 94 ...

Page 95: ...oint is at the 9 o clock position TOP HORIZONTAL FRONT REAR ARRANGEMENT SHOWN ASSEMBLED RIGHT HAND SIZES 07 26 NOTE Inlet guide vanes are attached to the fan housing so that the ball joint in view U is in the 12 o clock position with the vanes at 45 degrees TOP HORIZONTAL FRONT REAR ARANGEMENT SHOWN ASSEMBLED RIGHT HAND SIZES 32 61 Fig 77 Scroll Assembly Forward Curved Fan With IGV 95 ...

Page 96: ... vertical when pulled back toward jackshaft as far as control arm will travel TOP HORIZONTAL FRONT ARRANGEMENT SHOWN ASSEMBLED RIGHT HAND NOTE For any discharge position install vane assembly to provide control arm movement from closed to open in same direction as wheel rotation Locate IGVs in fan housing so that control arm is vertical when pulled back toward jackshaft as far as control arm will ...

Page 97: ...are oil impreg nated Annually lubricate with a few drops of nondetergent SAE 20 oil Table 26 Lubricant Data MANUFACTURER LUBRICANT Sunoco Prestige 42 Texaco Multifak 2 Texaco Regal AFB 2 Mobil Mobilplex EP No 2 Preferred lubricant because it contains rust and oxidation inhibitors Motor and Drive Package Data Tables 27 29 give motor data for forward curved airfoil and plenum fans LEGEND THF Top Hor...

Page 98: ...mbly shown for Top Horizontal Front Upblast Front and Downblast Rear NOTE Assembly shown for Top Horizontal Front Top Horizontal Rear Upblast Front and Upblast Rear Fig 80 Motor Bases SIZES 07 26 SIZES 32 92 98 ...

Page 99: ... 5 26 182T 18 5 20 3 22 2 23 6 184T 18 5 20 3 22 2 23 6 213T 18 4 20 4 22 0 23 5 215T 18 4 20 4 22 0 23 5 254T 17 2 19 3 20 7 22 3 256T 17 2 19 3 20 7 22 3 284T 16 4 18 5 19 8 21 4 UNIT SIZE MOTOR FRAME FAN DISCHARGE THF THR UBF UBR Centerline Distance in Min Max Min Max 32 184T 14 4 17 2 19 3 21 3 213T 14 0 16 9 18 7 20 7 215T 14 0 16 9 18 7 20 7 254T 13 4 16 5 18 1 20 1 256T 13 4 16 5 18 1 20 1 ...

Page 100: ...6 4 17 7 19 7 256T 13 3 16 4 17 7 19 7 284T 13 0 16 1 17 2 19 2 286T 13 0 16 1 17 2 19 2 324T 12 4 15 8 16 4 18 6 326T 12 4 15 8 16 4 18 6 UNIT SIZE MOTOR FRAME FAN DISCHARGE THF THR UBF UBR Centerline Distance in Min Max Min Max 39 213T 16 2 18 9 21 0 23 0 215T 16 2 18 9 21 0 23 0 254T 15 5 18 4 20 3 22 3 256T 15 5 18 4 20 3 22 3 284T 15 1 18 1 19 7 21 7 286T 15 1 18 1 19 7 21 7 324T 14 5 17 7 19...

Page 101: ...0 39 9 256T 33 2 37 2 36 0 39 9 284T 32 8 37 3 35 6 40 0 286T 32 8 37 3 35 6 40 0 324T 32 2 37 4 34 9 40 1 326T 32 2 37 4 34 9 40 1 UNIT SIZE MOTOR FRAME FAN WHEEL Small Standard Centerline Distance in Min Max Min Max 49 145T 37 6 40 4 42 1 44 9 182T 37 1 40 0 41 6 44 4 184T 37 1 40 0 41 6 44 4 213T 36 6 40 0 41 0 44 4 215T 36 6 40 0 41 0 44 4 254T 36 0 40 0 40 4 44 3 256T 36 0 40 0 40 4 44 3 284T...

Page 102: ......

Page 103: ......

Page 104: ...poration Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 3 Tab 1b PC 201 Catalog No 533 931 Printed in U S A Form 39T 3SI Pg 104 3 99 Replaces 39T 2SI ...

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