Help required
Hi, First of all I am new here, So if I have done this post on wrong place please pardon me. I need you help regarding selecting proper condensing unit. We have a chemical that we need to freeze on...
View ArticleMitsubishi Fan confirmation
Hello - I am a home owner with the follow Mitsubishi City Multi system: PDFY-P24NMU-E - indoor unit pumy-p48nhm - outdoor unit PAR-31MAA - thermostat I have been informed that the fans will slow down...
View Articlejust passed 7189-02 diploma in RAC need help with the next step please....
Hi im fresh on here today 12-06-2014 ive just completed my one year full time course in refrigeration and air conditioning at the manchester college. It is the city and guilds 7189-02 diploma including...
View ArticleChiller O&M logbook format
hello everyone, is there any volunteer who would you like to send me the format of operational as well as maintenance log boob of carrier chillers,please reply and help me,waiting for your heartiest...
View Articlesecond hand Eliwell ID961
Hello, I bought one. I have no experience with this controller yet. The firmware - software seems to be different than usually written in manuals. It has FAN menu, PA1 and PA2 protected area. Inside...
View Articleuneven oil level in parallel compressors
Dear friends: I have worked before with parallel compressor refrigeration racks, but in all cases the oil level controls were of the adjustable type, so that the equalization of the oil levels in all...
View ArticleChiller O&M logbook format
is there anyone who would like to send me the format of operation and maintenance of chiller???????
View ArticlepH values for refrigerants
Hi, I am looking for pH (acid-base scale) values for following refrigerants: R22, R134a, R404A, R407C, R410, R507, R717 (NH3), R744 (CO2). Where can I get the information? Thanks in advance! Best...
View ArticleEmerson Einstein 2 & E2E Sensors
Hey guys, I had a some what dumb question. when installing a temp sensor on say a 20 door line up, what is standard? having one sensor or installing 2 or 3 and setting logic to average, low or high?...
View ArticleMobile APP
It would be nice if you guys were on TapaTalk or had a mobile app for quick and easy communication
View ArticleNot performing!
Hi all.. Looking for some help and advice with the following.. Maybe someone has come across this before. We recently picked up a new customer. Over the last couple of weeks we have found out that a...
View ArticleHELP! Samsung ASV13PSLNXTC
I need help with my AC unit guys. It's operational but it's not cooling. I have read from other threads that it may have been caused by power fluctuations which is pretty common here in the...
View ArticleCompressor heat flux
Hi Guys, I hope I'm in the right category :) I would like to know, if there is anyone who knows in which parts of a scroll and vane compressors (in heat pumps) heat losses are significant and in which...
View Articlehubbard 385 wiring diagram
I drive a master with the above chiller which is misbehaving. The boss has asked the garage next door to help and they have asked me to find the diagram. The hubbard site is no help and unusually...
View ArticleFreezer in unheated garage
Hi, I have read on this forum and many other websites, varying answers as to whether or not a residential freezer will operate successfully in an unheated garage space (my space is in the upper...
View ArticleTurbocor Motor DC or AC
Working for an OEM that uses these compressor on products I noticed that the trainer mentioned these motors as Permanent Magnet brushless DC motor, where I am sure that there is an IGBT used that...
View Articlecracked liners
Hi, I'm trying to get opinions on repairing refrigeration split or cracked liners. Do any of you do it and if so how? Also, if a repair is possible what would you recommend to do it with? My thoughts...
View ArticleDanfoss Industrial cataloge of instructions etc
http://www.danfoss.com/BusinessAreas...Archived=False Go to bottom of download page it's the last one.
View Articlecarrier chiller 30HXC375's fault codes
Hey guys.I've been searching for some fault codes(101-62-301-64-201-401) for a few days.Still I couldn't find it.Then i saw that website.Can anyone help me about these codes please, or how can i find...
View ArticleR22 carrier split system Need help troubleshooting
I am a maintenance manager at an apartment complex. I am green to refrigeration. Just got my EPA cert this year. But I am learning and researching every day. I have a system that initially the...
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