User manual DA-LITE PLC38E SHEMATICS

[. . . ] The case has a self-trimming flange around the bottom. Ceiling tiles or drywall may be placed on top of this flange to provide a finished appearance. After securing the case in the ceiling check that the case is level and plumb. Install electrical connections that apply to your unit. [. . . ] The diagrams on page 4 are for standard controls; the diagrams on page 5 are for SCB100 controls and page 6 for SCB200 controls. The terminal block for the wall switch connections is located under the metal housing surrounding the junction box. Remove two screws for access. 1 SCREEN AND ROLLER ASSEMBLY INSTALLATION If your screen was shipped with the motor and roller already installed proceed to step 6. Remove the screw from each end of the access door (front door) and open the door. Carefully unpack screen and roller assembly. Place the roller assembly into the case with the motor on the left side. The limit switches should be facing down. Line up the square pin on the motor with the square hole in the bracket. Lift the pin end (right end) of the roller into position and slide the bracket onto the roller pin. Complete electrical hook-up by snapping motor wire connector into case connector. "Up" Position Check for power across red and white leads. (b) Blown facility fuse. (d) No power to operating switch or junction box. (e) Open door limit switch. Power at junction box (f) Thermal overload tripped. (g) Broken wire in the "up" position. (h) Defective motor, limit switch or capacitor. (i) Capacitor burned out. 7 (e) Replace switch. (i) Replace motor assembly. TROUBLESHOOTING SYMPTOM 3. CAUSE (a) Hinge is bound or has a foreign substance on it which does not allow it to open by gravity. "Down" limit switch incorrect. NOTE: Screen will operate with a lowpitched hum. [. . . ] (a) "Down" limit switch out of adjustment. (a) Pin end slipped out of nylon bearing. Door closes before screen is all the way up. (a) Screen "up" limit out of adjustment. [. . . ]