Question about Heating & Cooling
Make sure that your refrigerant charge is good first. Reversing valve has 4 pipes coming off of it. The one alone is discharge and centre of 3 is suction always. The two sides are the reversing pipes. One side should be same temp as discharge and other same temp (+-5F) as suction. If not then you have bypassing refrigerant in valve. Bad.
Posted on Jul 16, 2013
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Posted on Jan 02, 2017
Sounds to me either a low refrigerant charge or low air volume over the evap coil (inside). There is a sencer for temps outside maybe it's tripping out on that.
Posted on Nov 10, 2008
what you have left out is the thermostat and they relays(electrical) which are activated by the thermostat. Another point is the door closing button near the bottom right side mounted on the body of the fridge. Check it out too.................................sodeep
Posted on Jul 26, 2009
SOURCE: 13 degree Delta T
I assume r-22 refrigerant by the pressure... you have a saturate temperature of approximately 41 degree and 71 degrees at the service port this equates to a 30 degree superheat. a condenser saturation temperature of 105 degrees and since the liquid line temp at the service valve is not given only the enterin indoor coil on the liquid line a 96 degree temperature this would equate to a subcooling temperatureof about nine degrees. You have too high of a superheat reading. verify that the bulb for the txv is correctly positioned and insulated. if it is then you need to remove the bulb from the suction line, hold it in your hand to warm it up and see if the superheat changes. you could also have issues with your ductwork. If the supply temperture is around 50-55 degrees then the unit is doing all it can.. Check the txv and the ductwork as the subcooling indicates that the condenser side is doing it's job, but the superheat readings indicate that you are starving the evaporator..
Posted on Jul 28, 2009
lower fan speed.....and double check head pressure, sounds very low!!! should be around 250-275.....also make sure the return air grill is large enough.
Posted on Aug 10, 2010
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Unit is low on freon......
Many times a freezer and/or refrigerator do not work right because of a dirty condenser coil...there are also many other things that can go wrong.
If you are hearing a clicking or buzzing then check out the last two tips.
If your refrigerator is running but warm, then...
Check out these tips that I wrote about that... it is a great place to start trouble shooting your unit...and something that you can do rather then calling a repair person to do a simple thing for you...
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