Can I slow down fan motor in 208/240v box garage heater?


  #1  
Old 03-08-15, 06:57 PM
D
Member
Thread Starter
Join Date: Jan 2010
Location: atlanta georgia
Posts: 2
Upvotes: 0
Received 0 Upvotes on 0 Posts
Can I slow down fan motor in 208/240v box garage heater?

I have 2 of them. One is a Marley and the other is a ProForce.

They both are about 14 x 14 inch red box heaters that use a 6-30 plug.

The fan blows too hard and the heat is not very hot. Could I slow down the fan with a dimmer switch of some kind or could I do it some other way?

Thanks
 
  #2  
Old 03-08-15, 07:28 PM
Tolyn Ironhand's Avatar
Group Moderator
Join Date: Nov 2007
Location: United States
Posts: 14,269
Received 860 Upvotes on 723 Posts
Using a dimmer on a motor is a sure fire way to burn it up.

The type of speed control that can be used will depend on the type of motor it is. This could be a simple as a solid state speed control to a VFD. I have used Solid state speed controls on even larger exhaust fans that work well.
 
  #3  
Old 03-08-15, 07:32 PM
PJmax's Avatar
Group Moderator
Join Date: Oct 2012
Location: Jersey
Posts: 64,588
Received 3,880 Upvotes on 3,477 Posts
A big problem with slowing down the fans in electric heaters is that the heating elements can overheat.
 
 

Thread Tools
Search this Thread
 
Ask a Question
Question Title:
Description:
Your question will be posted in: