933 Series

The heating equipment shall include electric, automatic fan forced air heater suitable for large area heating, as manufactured by Indeeco® . The heater shall be designed for wall recess or surface mounting. Heaters shall be cULus or equivalent cETLus.

  • BMS-compatible through an optional relay
  • Contemporary bar-stock grille design provides optimized airflow
  • Manual reset thermal overheat protector disconnects power in the event of accidental blockage
  • Built-in tamper-resistant thermostat
  • All units have a permanently lubricated and enclosed fan motor, which creates long life, low maintenance, and gently distributes warmth throughout the area
  • Automatic fan delay eliminates cold drafts on start-up and discharges residual heat from the heater body during shut down
  • Power on/off switch for added safety during maintenance

 

Approvals

Product Inquiry

Standard Features

HEATER ASSEMBLY: The heater assembly which fits into the back box shall consist of a fan panel upon which is mounted all of the operational parts of
the heater.

HEATING ELEMENT: The heating element shall be of the non-glowing design consisting of a special resistance wire enclosed in a steel sheath to which steel plate fins are copper brazed. It shall be warranted for 5 years.

FAN AND MOTOR: Fan shall be five-bladed aluminum. Fan motor shall be
totally enclosed.

FAN DELAY SWITCH: Fan control shall be of bi-metallic, snap-action type and shall activate fan after heating element reaches operating temperature. The fan shall continue to operate after the thermostat is satisfied and until the heating element is cool.

THERMOSTAT: The tamper-proof thermostat shall be of the bi-metallic snap-action type with enclosed contacts. It shall be completely concealed behind the front cover to become tamper proof.

THERMAL CUTOUT: A manual-reset thermal cutout shall be built into the system to shut off the heater in the event of overheating.

POWER ON/OFF SWITCH: A double-pole, single throw ON/OFF switch shall be mounted on the back box for positive disconnect of power supply. It will be completely concealed behind the front grille panel.

 

PNEUMATIC/ELECTRIC SWITCH: An optional pneumatic/electric switch shall be available for use with energy management systems employing pneumatic pressure devices for controlling comfort levels and set-back operations.

LOW VOLTAGE RELAYS: 24-volt and 120 volt low voltage relays shall be available as optional equipment to control 208, 240 or 277 volt heaters in conjunction with central energy control systems. The built-in thermostat can then be used as one of the thermostats in an automatic night set back operation.

BACK BOX: The back box shall be designed for duty as a recessed rough-in box in either masonry or frame installations, and is also used with the surface mounting frame in surface mounting installations. The back box shall be 20-gauge galvanized steel and shall contain knockouts through which power leads are brought.

FRONT PANEL: The front panel shall be of the bar grille type and shall be constructed of 18-gauge cold-rolled steel, welded into a uniform grille to direct the warmed air toward the floor. The front grille shall be surrounded by a decorative satin-finish aluminum “picture” frame.

THREE PIECE DESIGN: The heater shall be made up of a back box, a heater assembly and a front panel.

 

Technical Specifications

  • Temp Range: 40°–90°F
  • CFM: 100
  • Grille Gauge: 18

Applications

  • Vestibules & Entrance Ways
  • Lobbies & Hallways
  • Stairwells
  • Restaurants
  • Conference Rooms
  • Offices
  • Basements
  • Living/Family Room

Closed Tank Heating

Watt Density

Percentage of Wattage

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