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1

Electronics / Thermostat to blower

« on: January 08, 2013, 07:33:10 PM »

 I have built my own air handler and now it is time for a thermostat.I want to use a low voltage thermostat to control just my blower which is 120v.Does anyone know what control relay I need? I have been looking at the honeywell relays but Im not sure which one I need. Thank You to anyone that can help.

2

Electronics / Re: building a air handle for my owb

« on: December 30, 2012, 05:47:31 AM »

Thank you for the input.I will set the pump to 24/7 and I will more than likly put a 3 way valve in.I am looking into a honeywell fan relay ,I just have to figure out which one, and I will have to figure out how to wire it all.

3

Electronics / building a air handle for my owb

« on: December 29, 2012, 07:40:52 AM »

I have rebuilt an old aqua2 and now I am wanting to build the air handler. This will be built for my wood shop as the only source for heat. I am building with a heat exchanger and a fan below the heat exchanger. My question is this what electrical componets do I need? I want to use a regular low voltage thermostat , to control the fan and the circulator pump. The fan and pump are both 120v. I would like to have the pump come on first and delay the fan. the unit is a 100ft from my shop.
  It is my understanding that a lot of the units now the cirulator continuously with a vavle in the system that controls the water to the heat exchanger. I am open to suggestions on the design.