HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 Rapid condensation of steam, especially during heating-up periods, is characteristic of this type of equipment.

HEATING VENTILATING AIR CONDITIONING CUIDE 1942 Table 5.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 load a starting resistor NEMA classification No. 15 may be used.

HEATING VENTILATING AIR-CONDITIONING GUIDE 1942 HOFFMAN, Charles S.

HEATINC VENTILATINC AIR CONDITIONING GUIDE 1943 and acts as an adhesive when the cleaned plates next pass through the air stream.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1943 cases, the demand charge is based upon the rated connected load, in other cases, upon the maximum demand as indicated by a demand meter.

HEATINC.

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 Table 12.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1943 b.

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 .

HEATING VENTILATING AIR CONDITIONING CUIDE 1944 air is often used as an index of odors of human origin, but the information it affords rarely justifies the labor involved in making the observation2, Little is known of the identity and physiological effects of the organic . matter given off in the process of respiration.

HEATINC VENTILATINC AIR CONDITIONING GUIDE 1944 The warming-up allowance represents the load due to heating the boiler and contents to operating temperature, and heating up cold radiation and- piping.

HEATING VENTILATING AIR CONDITIONING GUIDE 1944 and Column B would be used.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1944 by an air vent passing'through a thermostatic trap into the dry return line as shown in Fig. 21.

HEATING VENTILATING AIR CONDITIONING GUIDE 1944 erably not more than 6 ft apart and be rectangular in shape with the long side parallel to the back of the hood.