Catalog 13: Carrier air washers and humidifiers: applied to public office and industrial buildings, with notes on humidity . ilableat a pressure of three pounds or over; that is, where a vacuumsteam heating system or hot water heating is installed, anejector heater cannot be depended upon for continuous andsatisfactory service. In such plants a closed water heater issubstituted for the ejector heater and safety device with thereverse acting diaphragm valve. The water passes through the tubes at a high velocity,insuring a high efficiency of the heating surface. The steamor hot water heating med
Catalog 13: Carrier air washers and humidifiers: applied to public office and industrial buildings, with notes on humidity . ilableat a pressure of three pounds or over; that is, where a vacuumsteam heating system or hot water heating is installed, anejector heater cannot be depended upon for continuous andsatisfactory service. In such plants a closed water heater issubstituted for the ejector heater and safety device with thereverse acting diaphragm valve. The water passes through the tubes at a high velocity,insuring a high efficiency of the heating surface. The steamor hot water heating medium is on the outside of the tubes. The regulation could be effected by means of an automaticdiaphragm valve on the steam supply operated by the dewpoint thermostat, but this method is somewhat sluggish andnot so accurate as is the mixing of the heated water withsome of the water which is bypassed around the water heaterso the proper temperature is procured. 60 Carrier Air Conditioning Company of America This heater requires more room andcosts more than the ejector heater whichit displaces, but it is just as Closed Water Heater Connected to Washer With Bypass and Mixing Valve Maximum Number ofHeater A- In Inches B—In Feet C —In Feet Steam Pipes Cubic Feet ofAir Handled D Supply E Return Weight 13,00016,00022,000 2 34 202024 3—6 4—0 4—0 4—7 5—15-1 344 1 1% l/> 850 9001000 29,50042,50050,000 56 7 242430 5-4 7—1 5—4 6—58—21—6 4 56 1/2 22 115014001700 60,000 82,500 103,000 8 9 10 303036 6—58—27—9 7—39—69—1 688 2 2/2 2/ 190022002800 125,000158,000205,000243,000 11121314 364242 42 9—0 8—6 10—6 12—0 10—49—1011—1013—4 10101212 3333 3100400047005200 6i Details of Carrier Automatic Humidity Control The Mixing Valve is used with the closed water heaterand is operated by the graduated action dew point thermostat,so that it takes intermediate positions to give the propermixture of heated and bypassed water required.
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Keywords: ., bookcentury1900, bookdecade1910, bookidcatalog13car, bookyear1913
