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Motor Installation for Sill Mount Brackets2<strong>Marvel</strong> TMGraphics show bracket "A" butinstructions are for both brackets"A" and "B".3 & 4A1. Plan wire exit location on window or skylight2. Locate centerline (A) of window or skylight3. Align appropriate template (B) with centerline(A)4. Drill pilot holes for sash bracket.5aBA5. Determine the distance the motor unit will sitfrom the sash. (Make sure sash is fully closedbefore aligning motor unit.) The <strong>Marvel</strong> motorunit shuts off in the closing direction basedoff of amperage draw being monitored in thecontrol circuitry. This feature allows great flexibilityin the mounting position of the motorunit. For mounting suggestions and minimumconditions refer to <strong>Truth</strong>’s web site at www.truth.com\technical service.5ba) Choose which set of pivot holes in the motorunit that will be used with the selectedframe mounting bracket to position the motorcorrectly. Insert cap screws into the selectedpivot holes in the motor unit. (1 cap screw perside)POSITIONb) Slide frame bracket “A” onto cap screws andposition on sill using the template markingsas a starting location.5c.875"to sashminimumc) Align the frame bracket screw holes with thepre-drill center lines on the template. Movingmotor unit closer or farther from the sash untilit is in the correct position. Mark screw locations.Distance between sash and motor unitmust be greater than .875 [22.2mm]5dd) Drill pilot holes (2 for each bracket) into frame.Pilot holes should be centered in bracketscrew holes.Motorization System Installation Instructions8
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