Overhead Door Company of Norwich Inc.

CDX® Commercial Operator

The CDX® is UL 325 2010 compliant and provides durable and reliable operation. This light duty door operator is designed for use on counter and counter fire door applications. Common applications include factories, schools, concessions, hospitals, cafeterias and retail settings.

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Mounting Front of hood (chain/sprocket coupling to door). Includes built-in guarding that prevents access to drive chain allowing CDX to be mounted less than 8 ft off of floor. Motor 1/2 horsepower, 115V AC single phase motor with high start torque, intermittent-duty, NEMA 42 frame open drip-proof construction, instant reversing with automatic reset thermal overload Drive reduction Helical gear primary reduction and hardened bevel gear secondary reduction Power train Oil impregnated bushing to ensure long life Cycles per hour Operator tested and approved by UL for 5 cycles per hour at rated load of 70 ft-lbs/sec Display 16-character LCD display provides easy-to-read set-up and diagnostics with backlight for low-light conditions
Limit system Adjustable linear type; remains synchronized with door during release operation Cycle counter Displays total cycles logged over the operator’s lifetime to support warranty and service functions Independent timers Automatic maximum run timer stops the close function if present run time is exceeded, allowing for inspection Control system On-board Open, Close and Stop buttons make set-up and testing simple, saving time during installation Control buttons Calibration Mode/Run Mode, Backlight, Scroll Up/Down, Set/Clear Warranty Two year or 20,000 cycle limited warranty


Models Counter door Counter fire door Radio hookups Option available for fast, simple radio frequency connectivity to enable remote door operation Hand crank Optional on standard counter door; comes with electrical interlock
Governor Option available on Counter fire door only. Centrifugal drum type governor built into operator to control drop speed without disconnection from door Release Option available on Counter fire door only. Spring-loaded for automatic release of door by optional fuse link, Fire Sentinel® or similar fire detection system


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