Slide-Folding Door Operators


Number 1500 Operator Unit
(Shown without optional cover)
Operators used on openings
between 7' 0" and 8' 6" in height
require a cover. Operator not
intended for openings less than 7' 0"
in height.
Number 1500 XHD Operator Unit.
(Shown without optional cover).
Recommended Capacities of Number 1500 Operators
Operator Size Minimum Opening
Width ++		 Maximum Area
Square Feet		 Maximum Weight
Pounds		 Headroom
Required
Inches		 Maximum
Projection
From Door
Inches		 Seconds
Required
to Open Doors		 Approximate
Shipping Weight
Pounds
2 Doors
1-Way		 + 4 Doors
2 Ea. Way		 2 Doors + 4 Doors 2 Doors 4 Doors
* 1/2 hp 5' 0" 10' 0" 180 360 950 1900 13 11 7 to 8 170
* 1 hp 5' 0" 10' 0" 300 600 1700 3400 13 11 7 to 8 195
** 1 hp Consult Factory 360 720 2000 4000 14 16 13 to 14 525
++ For Openings of less width consult factory. Note: Units are rated to operate in a max. wind pressure of 8 psf.
+ Two Operators required for opening
*Heavy Duty Gear Unit
** Extra Heavy Duty Gearhead Motor
It is often possible to cut a pocket in side wall to give necessary clearance.
No. 1500EHD Explosion Proof Motor available where required

#1500 Swing and Slide Fold Door Operators
The Auto-o-doR Number 1500 operator is designed for slide-folding doors opening to the right or left, one operator being required for two doors to one jamb. The unit provides both quiet and fast door operation. The number 1500 operator is available in 1/2 and 1 hp models for single or three-phase operation for standard openings. In addition, the 1 hp model can be furnished with an extra heavy duty gear reducer if desired for extra large openings. For best all around performance, three-phase operation is highly recommended. Over-load and under-load protection is provided. The operator is attached to the inside face of the door. For doors opening out, the operator is attached to the outside face and requires a weather resistant cover.

  • Top quality cut gears operating in lubricant bath
  • Harmonic arm action assures smooth, gradual start and stop
  • Sturdy, reliable emergency release for manual operation

Crown Number 1500 operators utilize a harmonic motion principle with a simple crank and connecting arm movement which eliminates the complicated system of levers found in many other mechanisms. The movement of the doors is started gradually, with speed increasing in the middle of the cycle, then slowing to a gradual stop. The crank arm is driven by a safety friction disc clutch to protect doors, motors and other mechanisms from damage if the door comes in contact with any obstruction. When the doors are in the closed position, they are automatically locked.

1500 Specifications - Typical 1500 Installation - 1500XHD Specifications - Back to Door Operators - Home