21INSTALLATION OF MASTER STATION (SPECIAL ORDER ONLY)Timber Frame Wall Not Yet LinedInstall the master wall box flush with the front of the stud and brace it so asto limit any movement of the box when fitting the master station.After the wall has been lined, cut out an opening to the inside dimensions ofthe wall box.Timber Frame Wall Already LinedCut out an opening in the wall lining (H 12 ¾” x W 10 5/8”) ½” awayfrom a wall stud.Slide in the master wall box side ways, then straighten it up and firmly nailit to the stud so that it is flush with the front of the stud.Pull the cables through the wall box.Strip back approximately 6” of the white insulation from all the ValetIntercom cables.Twist the wires together according to their colours and trim to equal length.Strip back to bare wire approximately 1 ¼” off the end of each of theindividual coloured wires and twist the bared wires together according totheir colours.Cut 4” sections of multistrand single core cable, strip one end ofthese sections to 1 ¼”.Twist one of these to each of the coloured groups of intercom cable.Solder and insulate the connectionsStrip and firmly twist the other end of each of the single core multistrand cables,and screw into the appropriate terminals at the rear of the master.Terminate Aerial, Power Supply, Input Jack and Auxiliary Control wires whereapplicable.Ensure all outer shield wires are insulated and terminated at the appropriateterminal.Brick Cavity WallRemove bricks and install wall box.For homes under construction, install wall box as brick work is going up.Remainder of installation is then as per ‘Timber Frame Walls’.