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I've had alot of luck leak testing with nitrogen and a trace amount of r22. Maybe 4-6 oz. My leak detector loves r22!

Mike19 is right on the money. Condenser fan control, just set your cut in and cut out points and you're good to go. See it alot in process cooling.

http://nclicensing.org

For information on the technicians license check the recent newsletters (also listed on the website)

I agree, it's illegal and a liability.

But let's say for the sake of argument you evacuate a system, it's not under high pressure anymore. So how much propane will be left in it? Would the flame...

which technician brazes before recovery of refrigerant?

I'm not trying to be a smart ass here, but how many homes have propane piped in 1/2 copper? I've come across many gas leaks before that were in a crawl space with a furnace or an attic with a furnace...

The most accurate way is weighing it in.

The second most accurate is manufacture charging chart. But keep in mind that manufacture charging chart assumes the airflow is correct, coils are clean,...

Love my d tek, hasn't let me down yet.

Hi chimchim. I was in your shoes not long ago. I learned that experience means alot to an employer and tech school just backs up your experience with theory.

After I graduated HVAC/R tech school,...

wood stove and window units

A service tech that has never heard of manual j or manual d.... hmmmmmm

Damn ya'll. Give him a break, he knows the sequence of operations and EVERYTHING!

If I can correctly recall, they use blue as the reversing valve and brown as common also. Crazy ruud/rheems!

I work in Durham

$2400 :Faint:

$15 x 40 x 4 = $2400

I couldn't imagine my entire salary going to just putting a roof over my head.

Good luck on the new job.

I very recently received a new job as a service tech (just finished my first week there). During the interview, the service manager grilled me on gas furnaces and heat pumps for an hour an a half....

Oh man, I definitely didn't expect that... :) :cheers:

Dandyme, I applied for a PRO membership over a week ago. Any idea how long it takes??

Thanks!

Sorry, right to work state. We don't talk union around these parts.

One sick photobucket account

Congrats Joe is this a union job? The reason for asking is straight out of tech school I was offered $11/hr as an installers helper in a non-union state. Seems like you union guys have it pretty good!

Riddle me this:

Why is it that one can charge a heat pump in cool mode, it runs fine all summer. Then come winter time, the system performs poorly, produces symptoms of overcharge, then performs...

If you pull the burner assembly and rust falls everywhere, it's a good idea to check the HX.

Now the real question.. How many of you will poke at the rust spots with your finger to see if it...

The outdoor coil is much larger than indoor coil. In heat mode, the extra refrigerant required in cool mode has to be stored somewhere, and it's the accumulator.

The accumulator also keeps liquid...

Easiest charging method I've seen is the first one you mentioned. Hot gas, 110F + OAT = Discharge temp. This will put you "in the ball park"

Other people will say the only way to charge a heat...