Document a4kxbJXGJBypBVmEm1zpg4Xqb

Air Conditioning SSuSSm JOHN J. NESBITT, INC. Philadelphia 36, Pa. SERIES T THERMOVENTS New higher capacity heating and ven tilating units for large auditoriums, gyms, shop rooms, cafeterias and similar gathering places. Available for both low-pressure and high-pressure, rela tively high - resistance applications. Unique acoustically treated discharge plenum assures quiet operation. Avail able in capacities from 1250 to 15,000 cfm. Publication SO At. with Return Air Bypass SERIES A CABINET HEATERS Versatile, high capacity units in 7 basic sizes (4 direct drive, 3 belt drive) with one- and two-row heating elements for steam or hot water, and a 3-row water element. Capacities: 71 to 545 sq ft EDR, steam; 9.1 to 120 Mbh, hot water; 265 to 1860 cfm. Units available for floor, wall, ceiling, or inverted mounting; non-, semi-, fully-recessed fronts or concealed installation. Wide.variety of face, top, bottom, or rear intake and discharge arrangements. Publication 22-t. THE NESBITT AUDICON An acoustically treated year-'round air conditioner for auditoriums and as sembly areas requiring low sound levels. Steam or hot water capacities from 40,000 to 1,500,000 Btu/hr; cooling capacities 3 to 60 tons; 16 models, 1250 to 15,000 cfm; low or higher pressure units (above % in. external static). Nesbitt Return Air By-Pass improves humidity control, .ef fects economy. May be installed now with provisions for future cooling. Publication 22-1. ROOMMATE AIR CONDITIONER A quiet, efficient, year-'round condi tioner, with 4 direct-drive, 3 belt-drive models. Arrangements include non-, semi-, fully-recessed, universal and built-in units for wall, floor and ceiling. Wide variety of discharge and intake locations. Capacities: 300 to 1400 cfm; 1 to 5 tons cooling; 35 to 100 Mbh heating. Air Volume Stabilizers save fuel and p/- vent cold floors. By-Pass Dampers assure improved humidity controls publication 600-1. _ ... NESBITT GAS-FIRED UNIT HEATERS----- Modern, attractive direct-fired unit heaters in seven basic models ranging in capacity from 25,000 to 200,000 Btu heat input. Made of die-formed furniture steel finished in heatresistant, baked-on enamel. Low-speed motor equipped with thermal overload protection. Quiet-operating fans; dieformed adjustable louvers. Equipped with automatic con trols and safety pilot. Units are A.G.A. approved and listed by Underwriter's Laboratories. Publication 280. 108 Air Conditioning ^ JOHN J. NESBITT, INC. __________ Philadelphia 36, Pa. Ratings of Nesbitt Unit Heaters are based on tests made in accordance with standard test codes adopted by Unit Heater Division, AMCA and by ASHAE. Standard Propeller-Fan Type PROPELLER FAN UNIT HEATERS O Features universal heating elements of continuous tube de sign. Each unit gives a comparable range of capacities with steam or hot water. Made for high temperature drops, low water rates for installation economy."Small physical'slze for comparable Btu output saves space. Sturdy steel casings with baked-enamel finish. Flush to ceiling mounting permitted by male pipe connections extending through casing rear. Balanced aluminum fans with large blade areas assure quiet, efficient air delivery. Eight basic sizes, 24 models, capacities from 15,000 to 335,000 Btu/hr. Sound rated within lowest classifications of Sound Test Code^adopted by AMCA. Publication 401. GIANT BLOWER-FAN UNIT HEATERS Large capacity units for : heating/ventilating, free delivery or static pressure, steam or water. Twelve basic sizes, each with one of three standard steam coils, three steam-distributing tube coils, or with 1,2,3, or 4-row hot water coils. Air deliveries from 2000 to 28,000 cfm. Basic steam ratings: 83,000 to 1,735,000 Btu/hr. Hot water: 50,000 to 2,460,000 Btu/hr, 1800 to 3400 fpm. Control may be STANDARD--periodic fan operation; THERMADJUST--continuous fan operation with thermo stat-controlled dampers; or VALVE-CONTROLLED--with thermostat controlling steam supply. Horizontal, wall, inver ted or floormounted; wide choice of cowls, fans, dampers, filters, etc. Publication 404- Giant Blower-Fan LITTLE GIANT UNIT HEATERS Features a single, rectangular, wrap-around heating element used with steam or hot water in vertical or horizontal applica tions. Wide variety of outlets (adjustable vane, cone deflector, anemostats and horizontal- or vertical-louvred) simplifies selection of discharge patterns and mounting heights. Side male piping connections and bottom access to motor and fan permit close-to-ceiling mounting. Rated for sound and capacity ln accordance with test codes adopted by AMCA. Thirty-four vpe models from 34,000 to 684,000 Btu/hr. Publication 403. SERIES W. Water surface for air-co( ing, dehumidifying or heating. Copy tubes, aluminum or copper fins. Wi range of sizes in three types: Type W (continuous tube with exclusive free* proof drainability feature, and sc face pitched in the casing). Pub. 24 Type WB (continuous tube sections f booster-heating or air-cooling relative small air volumes but without drainab: ity feature) and Type WC (standa Series W cores pitched in the casing; ca iron headers removable cover plates permit cleaning, single or double serpe tme circuits.) Publication S6S. SERIES H. General blast coil surfa for heating, ventilating, air-conditio. ing and drying in both high and loi pressure systems. Copper tubes, alut mum or copper fins. Seven types, fc range of sizes. Publication 048- SERIES T. With Trombone-shaped steam-distributing tubes that eliminate stratification and the danger of freezing under modulated valve control. Gives uniform temperatures over, the entire capacity range. Ideal 5for heating and ventilating .and for preheating outdoor air. Coppgr.tubes and headers, aluminum or copper'fihs: TypeTCbwith steam and condensate copnectionsat-opposite ends. Type TS with'connections at same end. Fin lengths from 12 id< to 120 in. Publica tion SOS. 109