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Blower Heaters
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Blower Heaters

Product Overview

Blower heaters are available in horizontal and vertical configurations and provide efficient and economic heating for industrial and commercial use. Units are constructed of heavy gauge steel with cases trimmed in a polyester powder coat.

More Information

Adjustable louvers direct air flow for ceiling and wall mounted units. Ratings from 2.6 to 50 kW with various built-in control options. Voltages from 208 through 600 volts, single and 3-phase and meet UL, CSA, NEC and OSHA requirements. The LUH Series heaters include seismic qualifications.

Heavy Duty Blowers

​​Description
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Rugged, industrial UB heaters are ideal for factories, warehouses, garages or any other area that requires a high volume of forced-air heat.

Applications

  • Entryway Air-Curtain Heating
  • Power Generating Stations
  • Factories
  • Freeze Protection of Machinery

Construction (2 - 50 kW models)

  • Painted Finish -- For attractive appearance and corrosion resistance.
  • Cabinet -- 16 gauge steel cabinet construc- tion supported with an 18 gauge base assembly and finished in almond powder.
  • Louvers -- Adjustable discharge grille to direct the air flow up or down.
  • Heavy Gauge Rear Wire Grille protects against accidental contact with rapidly rotating fan blade.

Optional Features (25 - 50 kW models)

Universal Wall & Ceiling Mounting Bracket is included to provide flexibility in the mounting arrangement.
Fan Interlock -- Fan motor contactor includes a set of auxiliary contacts to prevent heating elements from being energized unless contacts of fan motor contactor are closed. Thermal Fan Delay allows fan motor to continue to operate after heating thermostat has been satisfied to maximize transfer of generated heat to space being heated and extend operating life of heating elements. Built-in Controlling Contactors and Line Fusing -- All heaters drawing 48 Amps or greater are sub-divided into two (2) circuits with built-in line fuses and controlling contactors. Units drawing less than 48 Amps have built-in contactors only, line fusing must be provided externally. All units regardless of amperage rating have built-in fuse protection for the motor and transformer. 
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Integral 120V Control Circuit -- 120 volt power for the control circuit is provided from the unit mounted transformer to eliminate the need to run separate power to the unit for control. Heavy Duty 1/3 HP Motor operates at 1,550 RPM on line voltage. Motor has built-in thermal overload protection, permanently lubricated ball bearings and factory installed line fuses for maximum trouble-free service life.

General Purpose Blowers

Description

Type LUH self-contained heater provides quiet, reliable fan-forced heating in all types of commercial and industrial applications.

Applications

  • Shipping and Receiving Areas
  • Pump Houses
  • Power Generating Stations
  • Aircraft Hangers
  • Factories
  • Warehouses
  • Garages

Construction

  • Die Formed Cabinet -- Heavy 18 gauge steel, phosphate undercoated for corrosion resistance and finished in almond polyester powder coat.
  • Louvers -- Individually adjustable louvers direct air flow up or down as needed.
  • Fintube Heating Elements have corrosion resistant steel fins that are furnace brazed to the tubular element to assure long life and superior heat transfer.
  • Fan Motor --  Totally enclosed fan motor is rated for continuous duty with built-in thermal cutout and operates on same voltage as the heating circuit.
  • Dynamically Balanced Fan is attached with rubber vibration insulators for smooth, quiet operation.
  • Blade pitch is carefully selected so that the volume of air moved results in the optimum discharge air temperature.

Features

  • Sub-divided Circuits with Individual Fuse Protection -- Standard on all heaters with a total current draw of 48 Amps or greater. The fuse compartment is conveniently located for easy access.
  • Integral 120V Control Transformer -- Standard on 480V models, eliminates the need for an external control source (24V optional).
  • Heavy Duty Magnetic Contactors are standard on all models.
  • Thermal Cutouts open the control circuit and disconnect power to the heating elements if overheating occurs. Automatic Reset allows the control circuit to reclose and restore power when temperature returns to normal.
  • Field Convertible -- Combination 208/240V and 1 or 3 phase operation through 10 kW.
  • ​Mounting Configurations -- Recessed welded fasteners on top of the heater cabinet are internally threaded for suspension of unit with threaded rods. Ceiling and Universal Wall Swivel brackets are optional. The ceiling bracket lets you mount heater directly to ceiling or over-head member, simply and easily. The swivel mounting allows you to readily adjust the direction of warm air flow for maximum comfort up to 180 degrees.

Vertical Delivery

Description

​Versatile, high performance VUH heaters can be used for complete primary, supplementary or dual system heating applications in all types of commercial and industrial applica- tions. They direct warm air downward, and are particularly applicable in high bay industrial buildings where columns, towering machinery or warehouse stock would obstruct good horizontal movement of air. Four types of optional diffuser designs can be used to produce a variety of air distribution patterns.

​Applications

  • Shipping and Receiving Areas
  • Power Generating Stations
  • Aircraft Hangers
  • Warehouses
  • Garages
  • High Bay Areas

Construction

  • Cabinet -- Heavy 18 gauge steel, phosphate undercoated for corrosion resistance.
  • Finish -- An almond powder coat provides a good, clean appearance complementary to modern structures.
  • Metal Sheath Fintube ® Heating Elements -- The electric heat bank - Chromalox patented metal sheath Fintube ® heating elements. They are shock proof! Heat radiation fins are corrosion-resistant copper-clad steel, furnace brazed to the tubular heating elements to assure superior heat transfer. They don't come loose! Wide spacing prevents clogging. Air is evenly drawn across the circumferential elements preventing hot spots and prolonging element life.
  • Fan Motor stays cool. A baffle isolates it from the heat radiation of the heating elements. VUH motors run smoothly with low vibration and noise. They're mounted with vibration isolators. Thermal overload protection includes automatic reset. (These totally enclosed units operate on the same line power as the heating bank. Connect direct to the power contactor...no need for separate internal or external motor control components.)
  • Dynamically Balanced Fan for smooth, quiet operation. Blade pitch is carefully selected so that the volume of air moved results in the optimum discharge air temperature

Features

  • Sub-divided Circuits with Individual Fuse Protection -- Standard on all heaters with a total current draw of 48 Amps or greater and are electrically balanced.
  • The fuse compartment is conveniently located for easy access.
  • Integral 120V Control Transformer -- Standard on 480V models, eliminates the need for an external control source (24V optional).
  • Heavy Duty Magnetic Contactors -- No external contactors are needed; integral, 3-pole, magnetic contactors are standard on all models
  • Thermal Cutouts open the control circuit and disconnect power to the heating elements if overheating occurs.
  • Automatic Reset allows the control circuit to reclose and restore power when the temperature returns to normal levels.
  • Suspension Mount with Hangers or Brackets -- VUH heaters have top angle brackets with four (4) mounting holes for suspension mounting of heaters from ceiling with hangers, or rigid angle brackets. The junction box/control compartment is located on the top housing for overhead wiring.

Optional Features

  • Diffusers -- Radial, Cone, Louver and Anemostat diffusers are available to direct heat coverage.
  • Fan Only Relay

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