For overhead-type doors with standard lift, high lift or vertical lift hardware, also for rolling service doors and grilles. Many other types of doors can be equipped with this operator, providing the door has a shaft as the basic driving element.
Waterproof/dustproof design to be used in areas where atmosphere contains dust, oil, water or liquid vapours. Recommended for car-wash buildings.
Electric door operators shall be C.S.A. approved, pre-wired control cabinet Doorlec Model LJHW with EEMAC 12 and 4 classification, dust-tight waterproof.
Operators are to be equipped with two-step speed reduction (V belt primary reduction – roller chain and sprockets secondary reduction), adjustable safety-clutch and rotary-type limit-switches readily adjustable in both directions.
Motor to be removable without altering adjustment of limit-switches. Operator to be protected against overload and under-voltage and to have capacitor starting motor, if single-phase is specified. Operator to be equipped with solenoid-operated brake with external compressing 360o brake shoes.
Reversing contactors to be “O” type heavy-duty industrial and have mechanical and electrical interlock. A floor-lever disconnect device shall be provided for mechanical and electrical disengagement, to allow for manual operation in the event of power failure.
All electrical internal wiring shall be colour-coded.
Control circuit to be 24V. A.C. Class II.
Control station shall be C.S.A. approved.
EEMAC 4 three-button station (open, close, stop).