View Full Version : heat craft/larkin comp. change
02-04-2006, 03:39 PM
hey guy's, I'm usually yapping in the hvac section because I don't do a lot of refer work.My question is, I have to replace a compressor on a larkin cond. unit with a heat craft evap. and beacon 2 contr.It has a EEV and LLS.I need to flush system.What I was thinking is to electrically disconnect compressor circuit [ remove comp. of coarse] and ,with power to unit,run the box stat down to make sure LLS is open and EEV is open. It is the only way I can think of to have valves open for flush and not have to remove them.Is this O.K. or is there a better way. Thanks in advance.TIM
Why flush? Kind of archiac. Over size Suction Line filter drier, Over size LL drier. On 90% of all burn outs the soot accumulation is only abut 18-24" in suction line. Cut it out if necessary and to with the driers. I've done some where the line had green acid slime in it. Haven't flushed a system since 1970.
02-05-2006, 04:45 PM
Why is there a LLS? Isn't it a Beacon system? EEV serves as LLS as well. No need for it really. Anyway, unless the system is in defrost or temp is satisfied, the valve will be open to some degree. If power is shut off, the valve keeps it's position so it's probably open anyway. Rayr is right. Change driers then after a day or so take an acid test. If the oil still has some acid in it, change the oil and driers again.
02-05-2006, 05:58 PM
Thanks guys. T.F.
Powered by vBulletin® Version 4.2.0 Copyright © 2013 vBulletin Solutions, Inc. All rights reserved.