How often do you want the filters changed? Keep away from fiberglass or what the industry calls standard. They don't last and before long you will have extremely dirty coils. We...
Replies 7Every course you listed will help an apprentice learn and work in the HVAC field along with necessary on the job training. The Chiller course may be for the more advanced techn...
Replies 3The chart I am using shows the suction for air conditioning should be around 118# for 410A
Replies 11What was the cap rating on the motor ID plate?
Replies 5Is the water dripping into the drain pan? Are you looking at the dripping with the access panel off?
Replies 9Always nick the pipe with a saw or cutter before putting the torch on it. I had a similar situation with a sweat drier on one stage of a 30 ton RTU. I was an apprentice at the...
Replies 18450 seem kinda high fluctuating 200 lbs. is NG. It the pressure is jumping fast from 400 to 600 you may have air/moisture in the system and I would do what Archie recommended. ...
Replies 11Is there a strainer in the liquid line? it may be partially plugged from the burn out. Is their a strainer before the feed orifice? It may be plugged. The discharge pressures yo...
Replies 8What are you getting for discharge air (supply)temperature? Does the compressor have unloaders?
Replies 6Suction and discharge seem real low for a 95 degree day. Is the system exp valve? may not be feeding NG Is their a strainer before the feed orifice? may be partially plugged. ...
Replies 11If you have TXV's, sight glass and moisture indicators are really necessary especially on split systems. Absolutly necessary for Refrigeration
Replies 5What was the outside temperature the day he checked the pressures? I would try to clean the condenser again and use a good biodegradeable condenser coil cleaner. The check the p...
Replies 5Did he check to see if he has power going to the compressor? Did he install the correct compressor? Did he check amp draw for the compressor?
Replies 6Did you replace with the same compressor model? Was it a bad burn out? If real bad Did you flush the system? Did you install a suction filter? Is the drier the same size as the ...
Replies 2I would double check to see if the piping requirements meet Tranes recommendations. (Trane piping manual) Make sure the crankcase heaters are working. This will help prevent l...
Replies 4Is the condenser above or below the air handler?
Replies 4i have worked on yorks and they do have a fine mesh screen in front of the orrifice and they can plug up.
Replies 2"I meant to say the line where it goes into the orrifice holder not DX valve"
Replies 4I am not sure on this model but I have worked on newer York 10 ton units and there is a strainer just in front of the DX valve. You should see a hex nut right at the valve where...
Replies 4If the compressor is so far down inside the condenser and you cannot safely remove it I think I would try to sell the customer a new condenser if the compressor has failed. By t...
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