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This thread actually turned into something.
I usually find them more than one size off myself. You may want to get in the habit of using the one off the condensor. Its the right way to do it.
Originally Posted by SBKold NO! Its a generic R22 piston. Usually for the largest size condensor that is a match for that coil. Piston size is determined by OD unit size and SEER and refrigerant type. Goodman has always supplied a piston chart with most replacement coils. Most of what I work on is straight cooling. I still have found that the chart shows the piston on the evap SOMETIMES, and SOMETIMES the one on the condenser. AGAIN there is USUALLY only 1 number difference.... .
Originally Posted by cehs NO ! Isn't the one with the evap coil the correct one for that coil? . NO! Its a generic R22 piston. Usually for the largest size condensor that is a match for that coil. Piston size is determined by OD unit size and SEER and refrigerant type. Goodman has always supplied a piston chart with most replacement coils.
Originally Posted by SBKold Youre joking right? NO ! Isn't the one with the evap coil the correct one for that coil? I work MOSTLY with straight cooling, not HP. .
Originally Posted by SBKold Youre joking right? SEEE! No I was not kidding. The one that came with the coil is not necessarily the correct one. Customer complaint: "The company that installed this system has had to add refrigerant every spring and remove refrigerant each fall. Why is my system behaving this way?" Answer: Incorrect installation and setup. Recent: A one and a half ton condensing unit does not need 3 tons of air. The coil was mounted on a furnace with a 3 ton blower on high. Original installers replaced 3 TXV's and one compressor in the first year. I can't take a picture of stupidity for the wall of shame.
Originally Posted by Cool_Air Read the instructions first!! your doing it backwards.
Read the instructions first!!
Originally Posted by cehs The one in the bag and the one that comes with the evap coil are usually one number different. Which are we supposed to use? and why change the one that came with the evap coil? Isn't the one with the evap coil the correct one for that coil? . Youre joking right?
Originally Posted by Keith73 Install the piston that was taped to the heat pump. Can't believe how many units I have walked up to with that bag still stuck to it. The one in the bag and the one that comes with the evap coil are usually one number different. Which are we supposed to use? and why change the one that came with the evap coil? Isn't the one with the evap coil the correct one for that coil? .
Originally Posted by Keith73 Install the piston that was taped to the heat pump. Can't believe how many units I have walked up to with that bag still stuck to it. You gotta be kinding me,,, really?
Install the piston that was taped to the heat pump. Can't believe how many units I have walked up to with that bag still stuck to it.
I would add some freon to it... That should fix it!
uhhh I think we need a little more information...
Haha.... come on now, there's lots of Goodman sold here in Houston. I see most of them in Apartments and such.
You need help hauling it off or what?
So what's wrong with a Goodman???
I get it. It is a Goodman. Duh.
Originally Posted by flip67 Need help with goodman unit Hehehe, I don't see any problem. All in your head. Hahah. just joking, what is the problem?
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