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110 ASHRAE Guide And Data Book mi. COMPANY WINSTON-SALEM, N. C-, U. S. A. AIR CONDITIONING HUMIDIFICATION AIR WASHERS UNIT HUMIDIFIERS PNEUMATIC ATOMIZERS HUMIDITY AND TEMPERATURE CONTROL SYSTEMS U. S. AND CANADIAN REPRESENTATIVES Winston-Salem Charlotte Greenville Atlanta Philadelphia Cleveland New York Providence Pittsburgh Albany CtiKi&nati Toledo Indianapolis Detroit St Louis Chicago Milwaukee Minneapolis Davenport Kansas City Dallas San Antonio Denver Los Angeles San Francisco Portland Toronto Montreal I ? in Electromode Dept. AG-65 Division Friden, Inc. Rochester, N.Y. 14603 Complete line of ELECTRIC HEATING SYSTEMS for HOME-INDUSTRY-FARM ROCHESTER, NEW YORK 14603 WheD you need advice in any field, you consult a specialist Decid ing on a heating sysem is an important matter--one that you do not undertake very often. Therefore, it is only natural and in the course of wisdom, that you will look to a specialist in this field. For more th,n 30 years Electromode has devoted its research engineering snd manufacturing facilities predominantly to the design and pro duction of electric space heating equipment, and is one of the oldest io the business. The Safety Grid Heating Element is an Electro mode feature. AH electric wires are insulated, embedded and com pletely sealed inside a finned aluminum casting. No exposed hot wires, no glowing coils and no danger of fire, shock, or bum. This finned aluminum casting spreads the beat rapidly, resulting in higher efficiency and greater economy. Hie built-in safety switch automatically prevents overheating. The Safety Grid Heating Ele ment is guaranteed for 5 years against any defect in material or workmanship. For HOME and OFFICE--~ X. AIR WASHER--Bahnson Type Y end Type DC Air Wash ers cleanse, cool, and provide humidity control. Available in stand ard sizes from 6,000 to 250,000 cfm, they can be provided with spray systems best sailed for the specific application. Write for Cata log 1 A. 2. TYPE E HUMIDIFIER--A self-contained unit with high evaporative capacity for installation in all types of industrial and commercial spaces requiring automatically controlled humidifica tion. Evaporates up to 3 gph with 360 degree radial distribution of moisture. Requires only water supply and electrical connection. Write for Catalog 16 A. 3. STEAMETTE UNIT HUMIDIFIER--An automatic, self-contained unit humidifier with high evaporation rate and a full 360 degree radial pattern for discharging steam vapor. Unit naes any steam pressure up to 30 P5IG. Constructed of lightweight, non-corrosive materials. Requires only steam supply, drain and electrical connection. Write for Catalog 36 A. 4. CENTRIFUGAL HUMIDIFIER --A self-contained unit for industrial use. Evaporation up to 12 gph plus directional air flow with fractional horsepower motor. Installed singly or in groups with individual or group automatic control. Requires only water supply, drain, and electrical connection. Write for Catalog 2A 5. TYPE BA-2 HUMIDIFIER--A high-capacity unit for overhead suspension in commercial and industrial applications. Adjustable grilles give complete directional control of moist air delivered. Automatically regulated, the unit provides air flow, humidification and filtering. Requires only water supply, drain, and electrical connection; capacity up to 25 gph. Write for Cata log 17 A 6. TYPE ESG2 ATOMIZER--A self-cleaning pneumatic atomizer of quality design for direct humidification or supple mentary evaporation. Uses air and water under pressure to provide high evaporation and fine spray quality, with minimum air require ments. Modulation control regulates evaporation in direct propor tion to the room requirements. Write for Catalog 3 A. 7. DUCT HUMlUlKIKR.S--.Rflhnann duct humidifiers have an adjustable capacity of 0 to 3 gallons per hour, and are easily installed in existing ducts. The motor is located outside of the airstream and all normal service points are accessible from outside of duct; no access door is needed. There are no float valves to clog up, and no stagnant water pans. Write for Catalog 45A . 8. HUMIDITY CONTROLS --Bahnson Controls are of fered in either electric or pneumatic design. The control consists of a highly sensitive humidistat which actuates an electric or pneu matic relay in response to humidity changes in the conditioned area. The humidistat is mounted in an aspirated cabinet which constantly draws a sample of room air over the hygroscopic cle ment. Manual selector switches in the cabinet provide automatic functioning of motor-operated valves supplying water ot steam to humidifying units. Write for Catalog 9 A. OTHER BAHNSON MANUFACTURED EQUIP MENT : portable humidifiers, air washer suction strainers, spray nozzles, and complete industrial air conditioning systems. In addi tion Bahnson manufactures vacuum collection and cleaning equip ment and creels. Write for descriptive literature on your require- Fig- 1 WALL-TYPE HEATERS Electromode wall heaters are tops in ap pearance, performance and durability. Available in 1250 to 4000 watt capacities, they may be used for complete or supple mentary heating in areas ranging from small bathrooms to Urge rooms, foyers and en-. trances. Manual and automatic models. AH heaters have thermal limit switch. All large room heaters have fan delay switch. Bath room and small room beaters have attrac tive anodized aluminum front plate. Large room models have charcoal brown front plate trimmed with satin brushed alum inum. See figs. 1 and 2. Low-LEVEL BASEBOARD HEATERS Classically slim Low-LEVEL fits snagly to wall leaving more usable floor space. Spreads radiant warmth over cold walls without drafts and thermostatically con trolled by room thermostat. Customized fit'tings impart pleasing, flowing appearance completely flexible to room size and design. Ragged steel cabinets, finished in golden bronze, can be made to blend witb wall tones, if desired. Capacities from 500 to 2000 watts, 120; 240,277 and 208 volts. Easy to instalL Only two assembly screws per unit. Snap-on front panel. No separate end caps. Easy access to wireway. See fig. 3. Fig. 4 Fig. 5 FLOOR INSERT HEATERS Mount flush with floor, causing no obstruc tion in front of windows or in passageways. Install in wood or concrete. See fig. 4. RADIANT CABLE HEAT Coils of cable hidden in ceiling radiate clean heat downward. Each room temperatore controlled by separate thermostat. Cables are a measured length of special in sulated electric wires; waterproof; dodcorrosive. Used in plaster, drywall ceilings, or concrete floors. Magic Seal coating pre vents streaks on ceiling. See fig. 5. For INDUSTRY Fie. 6 Fie- 7 UNIT HEATERS Unit Heaters available in Saspension-type and Combination Portable and Suspension models. Capacities from 1500 to 45,000 watts. Fine for auxiliary warmth in hardlo-beat areas and for complete heating in outlying buildings. Adjustable loavers for directing fan-circulated heat into working zone. Thermostat control available on all models. See fig. 6 for Suspension and fig- 7 for Portable and Suspension. The Electromode Commercial aod Industrial heater is specifically designed for quick, comfortable, warmth in factory depart ment, offices, supermarkets and other areas where its quiet operation is an asset. It is easily portable, or it may be mounted on swivel-type brackets. 5KW-240 volts--single r 3 phase--17,075 Btu. See fig. 8. Fig. 8 Fig. 9 EXPLOSION-PROOF HEATERS Explosion-Proof heaters are specially en gineered for installation in hazardous areas where heat is required and danger of explo sion exists. They conform to rigid safety specifications and are fully tested and ap proved by Underwriters' Laboratories for use in areas covered iu Class 1. Group D hazardous locations. Used in places where atmospheres contain gasoline, petroleum, naphtha, solvent vapors, natural gas and where flammable gases etc. are made or stored. Convection type. Three models range from 2000 to 6000 watts. See fig. 9. BLAST COILS Consists of a bank of Electromode castaluminum heating elements mounted iu a 16 gauge formed steel frame having a 1% Fig. 10 Fig. 11 in. wide flange with 5/16 in. holes on ap proximately 6 in. centers for mounting to air ducts. Complete wiring diagrams lop'' special applications furnished on request See fig. 10. Electromode Insert Duct Heater (fig. 11) Electric heat may be easily applied to new or old duct systems normally distributing cooled or heated air to living or working areas by installing Electromode electric duct insert beaters. Available in 3 to 10 KW units, they may bo used singly or in combinations, in vertical or horizontal duct systems. All units have the exclusive cast aluminum heating grid. Ail are equipped . with a thermal limit switch. For additional information or engineering assistance on a particular installation, write Dept. AG-65, Electromode Division Friden, Inc.