Question about Fujitsu Heating & Cooling
System has been vacuumed, trying to charge system needs 1.9kgs of R22 outside temp: 14oc, have connected refrigerant hose to system and 30grams has gone in. Have applied heat above indoor unit to make indoor unit think it needs to ask for cooling. This has not worked has any one got any suggestion. Have not had much experience with R22.
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Posted on Jan 02, 2017
SOURCE: Will Not Heat
On the outdoor unit the fan should not be running, on the indoor unit the fan should be running. If you then check the outdoor unit with fan not running, you should be able to hear clearly that the compressor is actually working. If this is all correct, it is possible that your fourway reverse valve is seeping and needs to be replaced.
Posted on Apr 15, 2009
If anything, it appears undercharged. Purging is not recommended. @90 degrees the high side corresponding pressure is 168.4 and Low side coresponding numbers re70psi/68degrees. With all due respect to the tech I think . If your room temp is 80, the corresponding high aide pressure is 143.6 , Low side 85 psi Yup, undercharged. Now do me a favor and don't start any "but he said" wars going. If anything, Just call him back and tell him something is still not right. Ask him to bring you a pocket rergerence for temp/pressure relationships. The numbers I gave you are for R-22 which is commonly used in residential applications. Well, good luck and keep your cool. IDon't purge. R-22 is very expensive asis everything else. You may want to dispute anny additional service call charges. Good Luck
Posted on Aug 22, 2009
The front cover can be dismantled (taken off as one Piece) by unscrewing the screws at the bottom of the air outlet (they are covered by screw cvers which will need to be taken off. Then just pull off the cover. PLEASE NOTE that the front panel (liftable to take out filters) will need to be removed lift up until 90 degrees and then pull off gentley and also take out filters before removing front cover
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Posted on Aug 29, 2009
First check your circuit breaker or fuse that supplies power to the outside unit. It's probably separate from the inside unit. Then try to turn unit on. If the fan and compressor just make a humming sound then turn it off and check the capacitor if you have a multimeter. You can also look at it and see if the top looks expanded. That's a good sign its bad, but not all bad one's look expanded. Tomorrow I will have access to an LG service manual and can let you know what the code means. Sorry I can't get it sooner. Let me know what you find.
Posted on May 03, 2010
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