Document ZaMdvvQkG64vN7pvb4Ev1ngd

486 CHAPTER 19 1957 Guide Table 5. Heating Capacities and Cfm of Branch Ducts in Extended Plenum Perimeter Systems SECTION A SIDE TAKEOFF TO 5-INCH ROUND PIPE FOR SIDEWALL, FLOOR AND BASEBOARD DIFFUSERS Extended Plenum Priesure O.U inrStatic at 100 F Furnace Plenum Pressure 0.15 in. Static at 170 F Actual Length from Extended Plenum to Diffuser Feet Elbows 5 10 15 20 25 30 35 40 45 50 55 60 0 Btuh Cfm 8960 97.2 8100 93.1 7310 89.4 6550 86.0 5900 83.0 5310 81.2 4800 77.7 4330 75.5 3900 73.1 3510 71.1 3170 69.3 2850 67.8 1 Btuh Cfm 8070 88.4 7290 .6580 85.2 82.2 5950 79.3 5400. 4880 76.9 74.6 4400 72.5 3980 70.7 3550 68.9 3200. 2900 67.1 65.7 2620 64.2 2 Btuh Cfm 7340 81.1 6650 78.6 6020 76.0 5460 73.9 4950 71.9 4500 70.0 4070 68.2 3680 66.6 3300 64.1 2980 63.7 2680 62.3 2410 61.0 3 Btuh Cfm 6810 75.0 6180 73.0 5600 71.0 5070 69.2 4610 67.3 4200 65.8 3800 64.4 3420 63.1 3080 61.7 2770 60.2 2480 59.0 2230 58.2 4 Btuh Cfm 6350 70.4 5750 68.8 5210 67.0 4740 65.4 4300 64.0 3900 62.5 3530 61.1 3180 2870 60.0 -58.8 2570 57:7 2300 56.7 2070 55.9 5 Btuh m 5970 65.2 5400 64.8 4900 63.2 4440 62.0 4040 60.7 3670 59.4 3330 58.3 2990 57.4 2770 56.2 2410 55.3 2160 54.4 1930 53.7 6 Btuh Cfm 5660 63.0 5120 61.5 4630 60.2 4190 59.1 3800 58.0 3430 56.9 3100 55.9 2800 55.1 2520 54.0 2270 53.0 2040 52.2 1800 51.8 Note: Where any of the first three runs from the extended plenum exceed 20 ft and 3 elbows count 3 extra elbows for that run. . ,, The Equivalent Length Values used and included in calculating this table are: Diffuser and Boot - ft; Each Elbow = 12 ft; Side Takeoff = 20 ft. Tapered Extended Plenum Starting Collar. SECTION B TOP TAKEOFF TO 5-INCH ROUND PIPE FOR SIDEWALL, FLOOR AND BASEBOARD DIFFUSERS Extended Plenum Pressure O.lt in. Static at 100 FFurnace Plenum Pressure O.U in. Static at 170 F No. OF Elbows Actual Length from Extended Plenum to Diffuser---Feet 5 10 15 20 25 30 35 40 45. .50 55 60 0 1. ` 2- 3 4 5 6 Btuh Cfm Btuh Cfm Btuh Cfm Btuh Cfm Btuh am Btuh ' Cfm : Btuh Cfm . 7070 77.8 6570 72.6 6180 68.4 5800 64.4 5490 61.2 5200 58.5 5000 , 56:0 6400 5800 5260 4800 4350 75.6 73.4 71.4 69.5 68.0 5970 5400 4890 4430 4010 70.8. 68.9 67.2 65.6 64.2 5610 5080 4590 4160 3770 66.8 65.2 63.7 62.3 61.1 5250 4750 4310 3900 3540 63.1 61.8 60.5 59.3 58.3 4960 4500 4080 3700 3340 60.0 58.8. .57.8 56.7. 55.8 4710 4280 3870 3510 3180 57.5 56.5 55.5 -54.5: 53.7 4520 5100 3700 3350 3010 55.0 54.0 53.4 52.4 51.7 3940 3550 66.4 64.8 3640. 3290 62.8 61.5 3410 3080 60.0. 58.7 3200 2890 57.1 56.3 3020 2720 54.9 54.1 2880 2580 52.9 52.1 2700 2440 51.0 50.5 3190 63.4 2950 60.3 2770 67.6 2600 55.5 2440 53.3 2310 51.4 2160 59.7 2870 62.0 2650 59.0 2480 56.4 2340 54.7 2200 52.6 2060 60.7 1910 49.1 2580 2310 60.6 59.5 2380 2140 58.0 57.0. 2210 2000 55.3 54.42100 1870 53.9 53.2. 1970 1750 51.9 51.1 1830 1640 50.0 49.5 1700 1551 48.6 48.1 " Note: Where any of the first three rune from the extended plenum exceeds 20 ft and 3 elbows, oount extra elbows for that run. g The Equivalent Length Values used and included in calculating this table are: Diffuser and Boot " ft; Each Elbow - 12 ft; Top Takeoff = 50 ft. Tapered Exten ded Plenum Starting Collar. < Warm Air Heating Systems 487 Table 5. Heating Capacities and Cfm of Branch Ducts in Extended Plenum Perimeter Systems (Continued) SU?? TAKKOFF TO fi-INCH ROUND PIPE FOR BASEBOARD DIFFUSERS ONLY Extended Henum Pressure O.t in. Static at ,60 F Furnace Plenum Pressure 0.,5 in SOU* J ,70 F No. or Elbows 0 1 2 3 4 5 6 Actual Length fbom Extended Plenum to Diffuses--Feet Btuh Cfm Btuh Cfm Btuh Cfm Btuh Cfm Btuh Cfm Btuh Cfm Btuh Cfm 5 10 15 20 25 30 35 40 45 50 55 60 9800 106.6 9230 100.4 8740 95.5 8300 91.0 7930 86.8 7600 83.6 7300 80.4 9100 104.4 8550 98.7 8100 93.8 7690 89.5 7350 85.5 7020 82.5 6760 79.5 8430 7820 102.3 100.3 7930 7360 97.0 95.3 7500 6960 92.2 90.6 7130 6600 88.0 86.7 6800 6290 84.2 83.3 6500 6020 81.3 80.2 6260 5780 78.4 77.5 7230 98.5 6800 93.7 6420 89.4 6110 85.5 5830 82.0 5580 79.1 5350 78.3 6700 96.8 6300 92.0 5960 88.0 5680 84.2 5400 81.0 5160 78.1 4950 75.3 6200 95.0 5830 90.4 5510 86.5 5240 83.0 5000 80.0 4770 77.1 4560 74.4 5730 93.1 5400 88.9 5110 85.2 4850 82.0 4620 79.1 4410 76.4 4200 73.5 5320 91.7 5000 87.6 4730 84.0 4500 80.9 4270 78.0 4080 75.3 3900 72.8 4920 90.0 4620 86.2 4390 82.8 4170 79.8 3940 77.0 3770 74.4 3580 72.0 4550 88.5 4280 84.9 4050 81.6 3840 78.8 3630 76.1 3470 73.5 3300 71.2 4210 87.2 3960 83.8 3750 80.6 3560 77.9 3370 75.3 3190 72.8 3040 70.6 extra elbows for that run rUn8 from the extended Plenum exceeds 20 ft and 3 elbows, count 3 ft; E^SJwTX^l"odfinClUded iD ""< thia toble Diffuser and Boot = 100 Tapered Extended Plenum Starting Collar. Extended Pi ' Tl TAKE0FF TO 6^INCH ROUND PIPE FOR BASEBOARD DIFFUSERS ONLY -------- ---------- Um WVTe -ls n- Static at 160 FFurnace Plenum Pressure 0.15 in. Static at 170 F No. o Elbows Actual Length from Extended Plenum to Diffuser--Feet Btuh Cfm Btuh Cfm Btuh Cfm Btuh Cfm Btuh Cfm Btuh Cfm Btuh Cfm Note: Whpr 'Itra elbows for tJ 8700 95.0 90.2 7880 86.3 7560 83.0 7260 80.0 7000 77.3 6770 74.6 8050 93.2 7640 7290 85.0 7000 82.0 6700 79.1 6470 76.3 6230 73.8 7450 91.7 7090 87.5 6750 84.0 6470 81.0 6200 78.1 5970 75.4 5740 73.0 6900 90.0 6560 86.2 5980 79.8 5740 77.2 5490 74.5 5290 72.2 6400 88.6 5800 81.7 5540 79.0 5290 76.2 5070 73.6 4890 71.3 5910 87.3 5630 83.7 5380 80.5 5130 78.0 4900 75.2 4700 72.8 4500 70.5 5470 86.0 5200 82.6 4980 79.6 4740 76.9 4510 74.3 4320 71.9 4140 69.8 5160 84.7 4820 81.7 4590 78.7 4380 76.0 4160 73.5 3990 71.2 3820 69.0 4670 83.5 4470 80.4 4260 77.6 4060 75.1 3850 72.7 3600 70.2 3520 68.3 4300 82.4 4140 79.4 3940 76.7 3730 74.2 3560 71.9 3400 69.3 3240 67.5 4000 81.3 3820 75.8 3430 73.3 3290 71.0 3120 68.7 2980 3720 3530 77.5 3340 74.9 3170 72.5 3020 70.2 2870 68.1 2760 66.1 "' * thr" runa from the extended plenum exceeds 20 ft. and 3 elbows oount 3 = h^^d Extended Plenum Starting Collar, in calculating this table are: Diffuser and Boot - 100