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when installing a newer thermostat they come with a Y1, Y2 and W1, W2 to wire lets say a boil an ac unit seperate? or does does it have to be a ac an heating unit in one?

yes they should. Doesnt the newer thermostats come with a Y1, Y2 and W1, W2? for heating and cooling?

Its hard to learn when u have a class full of idiots an a instructor that only knows football and video games. For example the teach says "the green wire is always going to be your ground" student...

:cliff:lol learn grammar an sentence structure? ok next. uhmmm this is the internet not a job interview. if u cant read it bypass an find a thread u can read. Im sorry, find a thread YOU can read. Im...

Ok as u kno i go to Lincoln Tech for HVAC-R. i was told about joining a union its way better. i just want to kno 1 is there any unions in NY? and 2 if i get my EPA from lincoln tech would joining a...

i know the E over I, R chart. but now we on the P, I over R, E chart. smh. that and finding volt pressure and resistance opposition and current flow. didnt think Basic Electricity would be that hard....

thanks guys. an no im not the instructor lol. havent been on to check my replies to my post. I just got up to Ohm's Law in my class the E over I R chart was kewl then its an expansion of that chart...

Im in my second month at Lincoln Tech and i started my Basic Electric Course. I was told that learn Control Wiring was extra important in HVAC. But my instructor said it really isnt that important....

yea i made a type-o it says 20 but is suppose to be 15 degrees. but thanks for the help. i have been kinda lost in calculating the btu. didnt know if u times the mass by both laten heat of fusion and...

oooooo ok. So the .5 is in C? So how come when im just using the formula to change it one state it comes out correct with out conerting it from C to F? But when I change it 2 states (such as ice to...

ok this is what i did. 20F to 32F is 12degrees. 12 x .5 = 6 then 6x20=120. then 180 wich is the difference from 32F to 212F so 180x20=3'600. then 212f to 230F is 18degrees, so 18x.5=9 then 9x20=180....

i have a question about the right formula for finding out btu's. im a student at Lincoln Tech. Any info will help. If im trying to bring 20lbs of ice from 15 degrees to 235 degrees how many BTU's...

Thanx for the insite. i checked out some local unions around where i live and they all say i have to do a 5 year program with them. What is that about? :gah:

I plan to start classes next month at Licoln Tech in NJ for the HVAC program. I just wanna know from some ppl if this is a good school to get my certificate from? Or if anyone has been threw this...