I have to change my light/fan combo wall switch 'cos the fan knob broke. Previous switch was a Martec & the new one is an Arlec. The Martec was wired 2 reds to 'A' and 1 red to 'F' on the fan...
Do not use the capped off black wires. Leave them be. You need the same wires to perform the same functions as before. Of this I am certain.
I don't know those particular switches, but here's an educated guess about the rest--- I am assuming that the 3 black wires are connected together with one wire nut.
The single red to F is the output to the fan, you have that right. The pair of reds to A are an incoming hot wire, and an outgoing hot wire to another box or outlet that is just passing through. These must remain together. Your old switch had an internal jumper that fed power to both the fan controller and the light switch. Your new light switch is a four-way switch that can be used just fine in your case, but it will require you to add a jumper wire. A 4 way switch can't be used as a 4 way switch if it had an internal jumper from the fan control, so you will have to provide the jumper from that pair of red wires (making them a trio) to one of the 4 terminals on the light switch. Your white wire will be connected to one of the other 4 terminals. Of the four terminals on the switch you should probably use one of the top two and one of the bottom two. If nothing happens (unlikely) then use the top two or the bottom two. If one top and one bottom works but your switch is upside down (the up position is OFF and the down position is ON) then trade one of the wires left and right.
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Mar 09, 2010 |