Can anyone please explain to me what a 2 heat 2 cool is? Also the other variations like 1 heat 1 cool (Thats is just one constant setting for heating right?) and 3 heat 3 cool ect.
Thanks
I have a package unit where the AC is being called for, but the compressor contactor wasn't pulling in. There was no voltage to pull in the contactor (24 v), but the thermostat was calling for it. I had voltage at the contactor and went to bump it to see if the compressor would run. When I...
Hello,
This is Michael speaking of behalf of Sawson College. We are supposed to size a dust collector giving the following specs, as shown via the attachments. (Or this link: http://postimg.org/image/90dievnmb/)
Basically we are grinding saw dust. Therore our velocity of the hood is 4000...