Installing a new bathroom fan/light/nightlight combo - wiring question


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Old 12-31-14, 12:36 PM
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Installing a new bathroom fan/light/nightlight combo - wiring question

Hello
I think this might be easy, but I am not sure.
I bought a new bathroom fan to replace the existing (not powerful enough). Currently, I have a light and fan together, controlled by one switch. The new fan has a light, nightlight and fan.
I was told I needed to buy a multipurpose switch. When I removed the switch from the wall, there is one set of wires only - ground, red, white and black. The red and black are connected together, the white and ground are both separate.
The multipurpose switch I bought has a screw for the red white black and ground. However there is a screw on the side that is not used. Since this is the only wire in the switchbox, can I connect the red, white, black and ground, and connect it to the existing fan from the attic?

OR do I need to drop a wire from the attic to the switch? Not sure why, but it seems to imply that in the wiring directions. I know the wire from the wall goes to a junction box and then to the fan.
 
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Old 12-31-14, 01:33 PM
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How are the wires connected to the current switch? Do you have white to one side of the switch and red and black to the other side?
 
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Old 01-05-15, 02:39 PM
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You need another pair for the night light, attached on the line side so that you have unswitched power and neutral to the night light (it's on 24/7).
 
 

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