Document QG2KgJorO2ELkY7Z59qDLG9o

HEATING VENTILATING AIR CONDITIONING GUIDE 1944 Boilers, boilers (.continued) operation, 248 output, 243 rating codes, 241 selection of, 243 based on heating surface and grate area, 245 cast-iron, 244 . estimated design load, 243 estimated maximum load, 243' gas-fired. 246 hot water supply load. 243. 802 piping tax, 243, 344 radiation load. 243 steel, 245 warming up allowance, 243, 244 soot, 183 space limitations, 247 special heating, 238 steel, 238 stoker-fired units, 202 testing codes, 241 troubles, 249 Booster fan, 358 Boyle's law, 4 British thermal unit, 813 Bucket trap, 277 Building, buildings condensation, 108 heat transfer-through surfaces, 87 infiltration, 118, 123 intermittently heated, 140 materials, heat transfer through99, 663 multi-story, air leakage, 123 state codes, laws and standards.[832 air conditioning, 832 . heating. 832. ventilating, 832 Burner, oil, 210 Bus air. conditioning, 701 By-pass, 814 c Calclumchloride, 4471 453 Calculated heat loss method,1224 Calorie, 814 - Calorific value, 167 Capacitor motors, 668 Carbon , activated, 563 dioxide, 170. 342, 470 monoxide. 664 Cast-iron boilers, 237 Ceiling' - cooling unit, 440 high. 128 - ' outlets, 586 perforated. 587 unit heateri 415, 777 Central air conditioning systems,^383 ' air quantity, 396 apparatus dew-point,,393 by-pass, 398 classification, 383 control. 639 cooling load, 390 corrosion, 341 design, 388 design procedure. 412 equipment arrangement, 409 equipment selection. 407 evaporative cooling 404 fan system, 814 heating load, 392 induction units, 403, 404 high pressure type, 404 low pressure type, 403 Central air conditioning systems (continued) modifications, 385 outdoor air, 389 pre-cooling. 405 reheating, 399 relation to building, 406 run-around, 405 selection, 386 sensible cooling, 405 use, 386 . zoning, 385, 400 Centrifugal compressors, 470. 480, 481 . condensing unit, 473 -fan. 565 Charles' law, 4 , Chart air flow and loudness, 632 apparatus dew-point, 393 area and weight of rectangular ducts, 613 comfort, 57 computed static draft for short chimneys. 196 economical thickness pipe insulation, 355 - effective-temperature, 61 friction air pipes, 598 friction heads in black iron pipes, 308 heat emission by convection from panels, 796 radiation from panels; 795 heat loss coefficients insulated ducts, 617 from body, 55 - insulated pipe, 347; 348, 349 humidity, 740 loss of pressure in elbows, 601 Moilier diagram; 23 permissible relative humidities for various transmission coefficients. 108 psychrometric chart, persons at rest, 60 rectangular equivalents of round ducts, 660 solar intensity, 151' sound attenuation, 630 surface conductances,88 - temperature zone map, 134 : thickness pipe insulation prevent sweating, 352 well water temperatures, 527 Chemical ' laboratory hoods, 725 reactions, 713, control of rate of, 713 . vitiation of air, 41 Chimney, chimneys, 185 . characteristics of. 190 construction details, 198 . determining sizes, 189,193, 197 domestic, 192 effect; 814 gas heating, 197 general considerations for, 199 performance. 192 static draft, 196 . Cinders, 651 . .- Circular equivalents of rectangular ducts.2600 : , Circulators, 304 " Classification ' '. coals, 173, 175 ' cokes, 175 gas, 181 oils, 179 stokers. 201 Cleaning boilers, 249 Climatic conditions, 132 Closed expansion tank, 310 Coal, coals - anthracite, 174, 175, 178 bituminous, 174, 175 classification of, 173, 175 dustless treatment. 179 estimating consumption. 233 firing methods; 176; 177, 178 1 lignite, 174, 175 INDEX TO TECHNICAL DATA SECTION^ - Coefficients of transmission, 87, 101, 814 - basement, 105 \ . floor, 105, 110 wall, 105 .'doors, 115 ,' ' floors and ceilings, 109, 110 . ' T frame construction, 100, 102 glass-block walls, 115 V masonry partitions, 107 -.-.-masonry .walls, 104, 106 I', over-all, 87. 504 , --- formulas for calculating, 88 r/ roofs, 111, 112, 113, 114 -skylights, 115 windows, 115 i'Cdil, arils >: .air flow resistance, 503 .applications, 501 arrangement, 494 construction, 494 direct-expansion, 497, dry cooling. 405 r , efficiency, 508 vflow arrangement, 500 'heat transfer surface. 493 performance, 504, 512 , / cooling, 504 dehumidification. 508 graphical analysis, 512 heating, 504 selection, 516 % cooling, 518 . - . dehumidifying. 518 - . - heating.-517 steam; 496 . -v water, 496- ;.Coke classification of, 175 estimating consumption, 233 Y&. -firing methods, 178 S*Cold therapy, 691 ^Collectors,. 729 ^S^dust filters; 729 . . ^'Column dryer, 734 -v^Combustion, 165, 205, 206 ""V-analysis, 664 - Igas,.166, 169, 182, 218, 219 heat of, 167 my'.: oil, 179, 214, prindples of, 215 165 ^smokeless, 172,' 550 . - ^Comfort. '<air~conditioning/814 air conditioning systems, 383 *?rchart,57 , -T`>line,:814 ' _^zone, 814 . . ^Commercial oil burners, 211 ^Compartment dryer,.734- ^Compound .wound motors, 666 ^.Compressor; compressors, 470 ^centrifugal. 471 . ' y reciprocating, 470 . -L^rrefrigeration, performance of, 515 -r(!v steam jet,,473 ' ^Conden&atioii :^building5, 108 . > ^interstitial, 110 . ' return'heating systems, 268 return pumps, 273 *.*;. sutface,;il5. - ^Condenser8,479 'air'cooled, .479 - idesign data, 531 ^ evaporative, 481 ^water cooled, 480 ^Condition line, 33; 164, 395. Conductance, 88, 814 air space, 91, 92. 98 building materials, 94 insulators, 94 Conduction, 87, 814 drying methods, 733 electric heaters, 776 equation, 72 steady-state solutions, 82 Conductivity, 73, 88, 814 bat type insulation. 96, 98 building boards, 96, 97. 98 building construction, 100 building materials, 95, 98 homogeneous materials, 89 insulating materials, 96, 98 insulation blankets, 96, 98 insulators, 96 loose-fill insulation, 97, 98 masonry materials, 94, 98 plastering materials, 95 reflective insulation, 92 rigid insolation, 96 roofing construction, 95 - woods, 95, 99 Conductor, 814 Conduits for piping, 763 Constant speed motors, 666 Control, controls all year conditioning, 652 application, 652 . automatic, 375, 639, 646 fuel appliances, 646, 647 temperature, 773 basic types, 639 central fan system, 409, 639 all year system, 646, 652 heating cycle, 652 coal fired plant, 645 cooling units, 649 dehydrating equipment, 459 designation, 644 direct current motor, 678 draft, 173 electric heating, 783 electric systems, f&O equipment for motors, 677 fan. 577 gas burner, 646 gas-fired appliances, 217 hot water supply, 645 humidity, railway cars, 700 individual room, 650 intermediate, 639. modulating, 639 motor, 677 multi-speed motor, 680 . oil burners, 646 pilot, 678 . . pneumatic systems, 640 positiveiacting, 639 rate of biochemical reactions, 713 ' rate of chemical reactions,' 713 rate of crystallization, 714 refrigeration equipment, 650 .compressor type, 650 - ice cooling, 651 . vacuum refrigeration, 651 well water, 652 regain, 710 v residential systems, 645 N"\ self-contained systems. 639 service water temperature, 809 single phase motor, 682 slip ring motor, 681 . small buildings, 647. sound, 619 . squirrel-cage motor, 679 6toker,.210, 647 terminology, 644 - two-position control, 639 . unit heaters, 648