Flush AC pipes
Hi can any one tell me the best way to flush AC pipes out we have blown out with nitrogen but there is still lots of moisture in the pipes I know you can buy a chemical which you can flush out, the...
View ArticleCold Store Floor Temperature
Hi, We use glycol from heat recovery for the cold store (-21C) floor. Can someone let me know what is the recommended glycol temp required. I don't want to add unnecessary heat load. :confused:
View ArticleYork flash tank level calibration?
How do you calibrate a level sensor for a York, YCIV chiller? It's a 2011 chiller. I hear there is a button on it for calibration, but I don't see what to do. When the chiller is in the off mode, the...
View ArticleHow much liquid?
Hey all, on Friday a tech charged a AC system with 15kg of 410a . He charged in liquid straight into the suction and discharge of a cope land scroll compressor.. The compressor doesn't have a crankcase...
View ArticleDaikin self cleaning panel
Good Afternoon, What are your thoughts on the Daikin Roundflow cassette with the self cleaning panel? is it as good as they say please ?
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Advice on Carpigiani TRE /AP
Hi I run in to a 20 year old Carpigiani TRE /AP but have not found any technical manual or specifications for it. It has a Prestcold S150 Refrigeration Compressor and danforss valves. Can someone give...
View ArticleWilliams WBC30 - Blast Chiller
I have a faulty compressor on a Williams Stand-up Blast Chiller . . . replacement comp is £400, replacement unit is nearly £4000!! Obviously they want the comp changing, I don't work on these very...
View ArticleR290 lines
Hello hope everybody is fine please, I am contacting you for following topic. I am dimensioning discharge, suction and liquid line in a system for R290. Basically my idea is to keep the values I would...
View ArticleISO for Brazing
Good Day.. Im new here.. I from an airconditioning company and has a project for brazing operators.. I would like to ask if anyone can share a copy of this ISO for brazing ISO 13585:2012 Brazing --...
View ArticleFujitsu Inverter
Hi All I have a Fujitsu Inverter ASYG24LFCA. If I set the vent blades to a particular angle, after several hours it reverts back to its default position. This happens with the unit continuously turned...
View ArticleCarrier 750MT Evaporator fans not working
Hi All I'm having problems with a carrier 750mt not bringing on the evap fans. The unit has 3 compartments with 3 separate evaps which are all freezing but the fans will not operate. There is no output...
View ArticleWalk in freezer queries.
Walk in freezer with a block of ice forming around the Thermostatic Expansion Valve, with an uneven frosting on evaporator coils. The room has no problem reaching set point and the refrigerant level in...
View ArticleSuperheat in McQuay chiller (DX System)
Hi.. Can anybody suggest that what suction superheat should be maintain in McQuay DX chiller Model No-WHS 215.2 from wuhan. We are facing frequently low suction pressure alarm. Even we have done...
View ArticleEmeerson univesal controllers
Hello Just wondering if anyone has a good troubleshoot info on universal controllers for EX valves. We have a rack that we have 7 that are reviving a constant 10vdc signal and the valves are opening...
View Articlechilled compressed air.
Thought: Use small refrigeration system to chill an a compressed air pressure tank (the kind they use for filling tires or pneumatic tools) below freezing. Use chilled high pressure air at about 100psi...
View ArticleMystery surrounds R22 contamination?????
. Does this sound plausible? R22 or any other refrigerant contaminating drinking water? http://www.coolingpost.com/world-new...contamination/ I'm very sceptical and think it's just a means of extorting...
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Oil free compressor
. Is it an oil free compressor or a tortoise / turtle? http://www.coolingpost.com/world-new...ssor-launched/ Rob .
View Articlekamasa eccentric flare tool
Hi I am thinking of buying a KAMASA 55823 eccentric flare tool, has anyone on here used one? are they any good??
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