“Doorbells” absolutely abide of chimes, ons and transformers.
Doorbell transformers awash by Heath Zenith and Broan Nutone accommodate terminals labeled for 24 volts as able-bodied as lower settings of 8V, 10V, 16V and 20V. While earlier transformers topped out at 8 to 16 or 20 volts, these models with a top ambit of 24V can serve beyond homes that charge best wire runs, after a bead in voltage. The units admittance you to ability angelus with assorted addendum or your own downloaded music, as able-bodied as a doorbell advance ons at both the advanced and a aback door. Transformers of any voltage footfall bottomward your home’s 120V arrangement to lower voltages, to abate your electrical use and assure your home from fire.
Shut off the ability on the ambit that serves either the absolute agent or a alliance box that you plan to tap into for a new agent installation. Affirm that the ability is off by borer the admission cable with a low-voltage acquaintance tester.
Unscrew the faceplate of the alliance box and, if it additionally serves a lighting unit, cull that to the side, breadth it can brandish by its annealed wires. Remove the old transformer, if present, by twirling off its locknut, removing its wire basics and untwisting its complect affairs from the abode ability accumulation wires. Set it aside. If this is a new installation, flick abroad one of the accessible alliance box knockouts with a screwdriver.
Thread the 24V transformer’s complect affairs through the knockout. Columnist the macho accoutrement of the NuTone 24V agent through the knockout, and durably hand-tighten a locknut over them. For the Heath Zenith, columnist the catch through the knockout and bind its spiral adjoin the bend of the alliance box.
Connect the atramentous agent wire to the atramentous abode wire, as able-bodied as the white wire to the white wire, and insulate anniversary with a wire nut. Connect the blooming wire to the blooming or to the bald ability accumulation wire. These are archetypal instructions, which you should affirm with the manufacturer’s directions. Refasten the faceplate.
Connect absolute low-voltage, 18-gauge, commutual wires, about white and red, if present, one to anniversary of the two lower assumption screws apparent 24V on the transformer. If this is a replacement, about-face on the ability and analysis your work. In a new install, abide with added steps.
Run new 18/2 cable to a doorbell on rated for 24V. Strip hardly added than a half-inch off the ends. Wrap and adhere the red wire to a assumption spiral — it doesn’t amount which one.
Run a low-voltage cable from the doorbell on to the almost breadth you appetite to attach a 24V-rated chime. Return to the doorbell, and attach the red wire from the additional cable to the chargeless spiral on the doorbell on. Twist the two white affairs calm and insulate them in a wire nut.
Return to the chime, and abode the red wire on the assumption spiral labeled Advanced and the white wire on the spiral labeled Trans. If you appetite a back-door doorbell, run a abstracted low-voltage wire from one backdoor doorbell on spiral to the transformer, and a additional one from the additional doorbell spiral to the chime’s spiral labeled Rear.
Fasten the bell to the bank afterward the manufacturer’s arrows arresting on a bowl on the aback of the chime. You will accept one best angular and one best horizontally. Analysis your new agent by acute the advanced doorbell on and the aback on, which will bell differently.
An award-winning biographer and editor, Rogue Parrish has formed at the Washington Post, the Baltimore Sun and at newspapers from England to Alaska. This apple charlatan and biking book author, who graduates summa cum laude in journalism from the University of Maryland, specializes in biking and aliment — as able-bodied as sports and fitness. She’s additionally a acreage administrator and writes on DIY projects.
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