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Air Handlers

Tech Bulletin

For Air Conditioning, Heating and Ventilation

Available in Bohn™, Climate Control™, Chandler™ & Larkin™

Bulletin AH-TB

January 2011

(Replaces AH-91C)

Models HCS, HCL

VCS, HD

Size 03 thru 75

Summary of Contents for HCL03

Page 1: ...r Handlers Tech Bulletin For Air Conditioning Heating and Ventilation Available in Bohn Climate Control Chandler Larkin Bulletin AH TB January 2011 Replaces AH 91C Models HCS HCL VCS HD Size 03 thru 7...

Page 2: ...for over forty years Ourhallmarkhasbeenacontinuingprocessofdesignimprove ments to keep pace with new system requirements This bul letin presents the complete line of air handling units offered by Hea...

Page 3: ...S S S S S S S VCS fan above coil section cabinet style S S S S S S S S S S S A A A HD heating duty cabinet style S S S S A A A A A A A A A A Universal can be floor or ceiling mount S S S S S S S S S...

Page 4: ...il through balance dampers or internal face and bypass dampers With either combination it is possible to adjust and control the amount of air passing through the small size coil Chilled water and dire...

Page 5: ...PI Specify either 1 2 Type A or 5 8 Type 5 tube diameters Each coil has a brass sweat connection type distributor and copper suction header Distributor leads of equal length work for equal refrigerant...

Page 6: ...ed as a separate section and are available with insulated or uninsulated casings Controls such as contactors fuses etc may be factory installed and wired in the heater section end panel provided the n...

Page 7: ...of heater capacity controlled by conventional step controller with the other 20 on a solid state SCR controller D For 100 proportional control of any size consider a total SCR control E Heatcraft does...

Page 8: ...f the section for either left or right hand drive Flat Filter Sections Flat filter sections are space saving and economical Choose either two inch or four inch filters The two inch filters can be the...

Page 9: ...iciency 44 high efficiency filter section accommodates up to 37 of final filter depth Prefilter and 30 bag filters at 60 to 65 or 80 to 85 or 90 to 95 efficiency OR prefilter and thirty seven inch bag...

Page 10: ...coil The standard spacer is 6 wide and is furnished with a 4 x 6 All HCL and VCS coil cabinets removable inspection plate See below for reheat coil Mount reheat coil to leaving air side of section se...

Page 11: ...ation inside air handler preheat reheat etc Location of coil connections left hand or right hand Filter sections and filter types Vibration isolators 5 Go to page 12 for air handler selection example...

Page 12: ...Select a 5 HP motor for the condition of 10000 CFM and less than 1 75 inches of water 7 Air handler description and performance Description Performance HCS model size 20 10025 CFM at 1 68 total static...

Page 13: ...il with 200 F 93 3 C entering water temperature The entering air temperature is 0 F 18 C The fluid pressure drop is less than 25 feet 0 76 kilogram per square centimeter and the water velocity is less...

Page 14: ...97 18 8855 17 71 408 250 345 226 280 201 505 308 428 272 352 242 20 10025 20 05 459 282 390 256 319 226 568 343 489 308 399 273 26 13280 26 56 614 379 520 338 418 300 762 461 648 411 524 358 34 16825...

Page 15: ...7 511 50 24750 49 50 1037 706 826 615 634 532 1242 820 1036 726 811 622 65 32292 64 58 1364 927 1105 814 832 704 1641 1081 1339 938 1059 813 75 37458 74 92 1582 1075 1282 944 966 817 1904 1254 1553 10...

Page 16: ...0 5 148 103 39 5 8 7 142 100 39 5 8 7 10 4690 9 38 203 136 47 5 13 5 179 126 39 5 9 6 172 123 39 5 9 5 12 5854 11 69 257 171 59 5 19 0 228 158 49 5 13 5 219 155 49 5 13 4 14 6875 13 75 296 198 59 5 20...

Page 17: ...5 13 3 65 32291 64 58 1686 1078 351 5 19 1 1549 1018 331 5 16 9 1491 994 332 0 17 0 75 37458 74 92 1922 1236 378 0 17 5 1792 1179 379 0 17 6 1722 1148 378 0 17 4 6 Row Coils Table 8 Comfort Cooling 1...

Page 18: ...661 76 5 13 7 1034 108 0 6 5 8438 16 88 776 20 9625 19 25 643 66 0 13 1 1027 112 0 8 8 718 66 0 12 9 1162 131 0 11 4 9625 19 25 880 26 12750 25 50 835 66 0 14 0 1363 132 0 12 7 932 66 0 13 7 1520 132...

Page 19: ...4 10 7 0 9 06 2880 5 76 89 9 1 0 4 164 16 9 2 2 108 11 2 0 6 197 20 3 3 0 08 3905 7 81 119 12 2 0 4 221 22 7 2 1 146 15 0 0 6 266 27 5 2 8 10 4885 9 77 153 15 7 0 8 281 28 8 3 5 186 19 2 1 0 336 34 7...

Page 20: ...90 11 38 11 85 10 04 10 70 11 33 11 92 12 47 2 10 10 40 11 05 12 15 12 73 13 18 11 12 11 93 12 68 13 37 14 03 12 11 70 12 45 13 13 13 77 14 35 12 20 13 13 13 99 14 80 15 56 14 12 88 13 73 14 48 15 18...

Page 21: ...evaporator temperature in BTU LB divided by 16 39 Coil Performance Direct Expansion MBH SQ FT Table 17 Wet Evaporator Capacity 1 2 and 5 8 tube entering air 80 F DB 67 F WB Type A and Type 5 direct ex...

Page 22: ...3 fps Note Please contact your representative for ARI ratings for coils These tables are only estimates For estimates for other wet bulb and water temperatures multiply by correction factor in Table 2...

Page 23: ...0 1 077 1 154 1 231 1 308 0 912 0 966 1 052 1 087 1 118 1 174 1 218 30 0 692 0 769 0 846 0 923 1 000 1 077 1 154 1 231 0 868 0 922 1 007 1 043 1 074 1 130 1 174 40 0 615 0 692 0 769 0 846 0 923 1 000...

Page 24: ...71 2400 767 1856 2 15 2005 2 50 2146 2 85 2500 799 1870 2 28 2017 2 64 2156 3 00 2600 831 1884 2 42 2030 2 79 2167 3 16 2700 863 1898 2 55 2043 2 94 2179 3 33 Maximum ODP Motor Frame Size for Models 0...

Page 25: ...4 4 38 1203 5 07 1288 5 75 5700 730 1126 4 76 1213 5 46 6000 768 1139 5 16 1224 5 88 6300 807 1152 5 61 Maximum ODP Motor Frame Size for Models 08 215 T SIZE 08 18 Forward Curved Fan CFM Coil Total St...

Page 26: ...ODP Motor Frame Size for Model 12 254T 20 Forward Curved Fan CFM Coil Vel Total Static Pressure Inches Of Water Std Size Size 0 50 1 00 1 25 1 50 1 75 2 00 2 25 2 50 Air 14 18 RPM BHP RPM BHP RPM BHP...

Page 27: ...2 36 565 13 78 590 14 65 617 15 62 646 16 72 674 17 83 701 18 90 728 20 00 Size 20 and Size 26 22 Forward Curved Fan CFM Coil Vel Total Static Pressure Inches Of Water Std Size Size 2 50 3 00 3 50 4 0...

Page 28: ...7 586 17 29 631 19 71 675 22 31 725 25 54 776 29 11 823 32 74 24000 591 542 15 95 588 18 34 632 20 80 675 23 40 716 26 17 767 29 75 815 33 50 25000 615 545 16 98 591 19 45 634 21 97 675 24 59 716 27 3...

Page 29: ...d Size 75 39 3 8 Airfoil Fan CFM Coil Vel Total Static Pressure Inches Of Water Std Size Size 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 Air 65 75 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP...

Page 30: ...Inlet of external face and bypass sections Outlet of economizer sections Flanges are 1 minimum all sections Dimensions Dimensions Size A B C D E F Size A B C D 03 37 22 3 4 1 2 2 3 8 9 20 90 44 3 4 06...

Page 31: ...5 91 44 44 27 1 4 43 7 8 27 1 4 43 7 8 4 44 10 15 23 34 115 109 54 52 31 1 4 41 7 8 31 1 4 41 7 8 3 54 10 15 23 41 115 133 62 65 36 3 4 39 1 8 36 3 4 39 1 8 4 65 10 18 26 5 8 P Q S U V X Reference Uni...

Page 32: ...1 2 5 1 2 4 9 1 4 locations R H 08 13 28 3 4 20 1 2 1 1 2 2 1 2 5 1 2 4 14 or L H 10 13 28 3 4 20 1 2 1 1 2 2 1 2 5 1 2 4 14 determined 12 14 28 3 4 20 1 2 1 1 2 2 1 2 5 1 2 4 15 5 8 facing the front...

Page 33: ...ion width AHS cabinet AHL cabinet 50 119 78 7 8 91 109 1 4 67 3 4 34 1 2 35 9 16 47 7 8 23 1 4 41 1 2 65 135 86 7 8 98 116 1 4 74 3 4 42 1 4 38 1 2 58 23 1 4 41 1 2 75 135 98 7 8 98 116 1 4 74 3 4 42...

Page 34: ...115 47 44 27 1 4 43 7 8 27 1 4 43 7 8 2 10 1 4 10 15 23 34 115 57 52 31 1 4 41 7 8 31 1 4 41 7 8 3 13 7 16 10 15 23 41 115 68 62 36 3 4 39 1 8 36 3 4 39 1 8 4 16 5 8 10 18 26 5 8 P Q S U V X Reference...

Page 35: ...ment 3 added height HD Note 50 119 78 7 8 34 1 2 35 9 16 47 7 8 15 19 1 2 65 135 86 7 8 42 1 4 38 1 2 58 10 3 4 24 1 2 HD 75 135 98 7 8 42 1 4 38 1 2 58 22 3 4 24 1 2 HF heating duty unit depth is dim...

Page 36: ...3 4 14 27 3 4 23 1 4 18 76 61 77 1 2 38 3 4 59 1 2 76 37 1 4 7 3 4 14 27 3 4 23 1 4 20 93 66 1 4 88 5 8 44 62 1 4 88 5 8 42 40 10 15 23 23 1 4 26 118 66 1 4 88 5 8 44 62 1 4 88 5 8 42 40 10 15 23 23...

Page 37: ...dth edge depth depth dimension internal external or access 03 40 22 3 4 22 1 4 3 4 7 3 4 8 1 2 26 1 2 20 1 2 06 55 26 24 1 2 3 4 7 3 4 8 1 2 25 5 8 20 1 2 08 52 35 1 2 34 3 4 7 3 4 13 28 3 4 20 1 2 No...

Page 38: ...iary coil section either HCS or HCL 4 Electric preheat section 2 High efficiency filter section 2 Reheat Position Reheat Position Preheat Position Coil Casing Depth Inches Type Hot Water Steam RHR DX...

Page 39: ...195 239 339 406 538 2 Row 50 80 101 120 143 164 169 173 228 318 396 562 673 891 Large Type 5 3 Row 64 106 134 161 195 223 231 236 314 444 557 737 936 1168 4 Row 78 132 168 202 246 282 292 299 398 569...

Page 40: ...0 0 11 0 13 0 15 0 17 0 19 12 0 12 0 15 0 18 0 21 0 24 0 28 0 31 14 0 09 0 11 0 13 0 15 0 17 0 19 0 21 14 0 14 0 17 0 20 0 23 0 27 0 31 0 35 6 0 09 0 11 0 13 0 15 0 18 0 20 0 23 6 0 13 0 17 0 20 0 24...

Page 41: ...0 44 0 52 0 58 0 67 0 79 12 0 30 0 37 0 43 0 50 0 57 0 65 12 0 42 0 50 0 59 0 66 0 76 0 87 14 0 34 0 41 0 49 0 56 0 64 0 73 14 0 45 0 54 0 64 0 74 0 85 0 97 6 0 24 0 29 0 35 0 40 0 47 0 53 6 0 33 0 4...

Page 42: ...12 00X24 15 00X39 24 00X36 24 00X45 27 00X51 27 00X60 36 00x60 Refrigerant TH 8T 10T 16T 16T 18T 18T 24T and Water Coils FACE AREA 2 00 4 06 6 00 7 50 9 56 11 25 15 00 Large Type 5 FH X FL 16 50X24 1...

Page 43: ...02 39 00X102 45 00X102 54 00X108 60 00X124 69 00X124 Refrigerant TH 20T 20T 26T 30T 36T 40T 46T and Water Coils FACE AREA 16 04 21 25 27 63 31 88 40 50 51 67 59 42 Large Type 5 FH X FL 36X77 36X102 48...

Page 44: ...ave lifetime lubricated rubber mounted cartridge bearings Unit sizes 14 through 75 have extended lube lines to the outside casing of the air handler on drive side Coils Provide water heating water coo...

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