Brivis ADD on Cooling Frosting back
Hello, My name is Scott. I have used this forums many times to solve problems but never have I needed to post. I have been working on a Brivis ADD on Cooling system 18KW for the last few days with a...
View ArticleDaikin VRV2 L8 fault
Hi guys I have been to a system this week which was not running. I started up and system seemed to run fine but have attended next morning to find L8 fault which I understand to be a compressor issue....
View Articlepropane screw compressore failur (HOWDEN)
Good day all, I am working in a gas plant. our issue is with propane screw compressor package, we are suffering a lot from the damaging of the seal due to oil continamated with vapor water or some...
View ArticleDaikin Cassette additional connections
Does anyone know where you can find out how these affect overall unit duty I have two 10kw cassettes in a room which is over duty as its now two rooms. The 'new' smaller room next door is now too hot....
View ArticleCondensor Scale build up.
Hello all, I'm an apprentice working with two refrigeration operators. As a good opportunity to learn more and contribute to my team I've taken interest in resolving a build up of calcium on our...
View Articler22 what cost
i have today had a chat with my refrigerant supplyer as the end of the year will soon come around i asked for an all up cost for the disposal of r22 the reply came back £10.66 per kg this includes...
View ArticleWhy Am I seeing theses pressure
Working on a subzero res refrigerator and getting 240 psi highside and -(neg) 3.5 to 0 psi on suctionside. When using vaccum pump heard a loud thump from compresser never heard that before also...
View ArticleDoes anyone make a reliable mechanical refrigeration thermostat?
...because we're about fed up with White-Rodgers 1609-101 stats. We've used them for years, but QC seems bad lately. I had one dead out of the box last Thursday, and another one this week that failed...
View ArticleNeed help with replacing Trane Tracer system with ???
I do not have much experience with Trane light commercial package units and I find it hard to get any information. Here's what I'm dealing with. There is a building with Trane rooftop package equipment...
View ArticleHow to do proper maintenance for my Central ac?
How can i do self maintenance for my Central ac?
View ArticleRefrigerant Recovery Question?
Dear All, In refrigeration recovery guides, it is said that DO NOT use push/pull method when the system is heat pump or it has suction accumulator. Any body can give a reason for this? Thanks LANA
View ArticleHelp with Mayekawa MYPRO CP IV Registers
Hello everyone! I'm having a little issue with a screw compressor MYPRO CP IV. I've read the entire manual but I haven't found a register that allows to write via communication the desired Suction...
View ArticleReach in Cooler Design Review
I'd like to build a 10 cu ft reach-in cooler for beverages and need to maintain 38F degrees. This is what I'm thinking of using but I'm looking for advice. Any thoughts on whether I have this sized...
View ArticleLeakage test jumping
Hi I'd like to do some experiences, by jumping the nitrogen leakage test, with small Split units. If I open a little the service valve and allow just a small amount of refrigerant to flow into the...
View ArticleVulkan 1.8 CFM vacuum pump
Hi I would like to recommed a light vacum pump to my students. I use a JB 5CFM but it is so heavy ( 16kg). Bought a 1.8 CFM 2 stages pump and it is only 8kg I imagine vacum time would be problem, but...
View ArticleCP90-MJ Evaporator
Anyone have experience with this Evaporator? - Tecumseh MJ090 Mfg # CP90-MJ (Peerless Evaporator Coil. Midjette. Medium Temp. 900 BTU's. 5.5 Diameter . Fan. 115V. 0.5A. 140 Cfm. Connections: 3/8 Od...
View ArticleSb 230 service manual
Hi im looking for the Thermoking sb-230 service manual. Can someone help thankyou. Download my vCard to contact me.
View ArticleThermoking v250
Can someone help me out with a service manual for my Thermoking v250 ? I'd really appreciate it !!! You can send me a message and I'll give my email address since we can't post them on the open board ....
View ArticleTemperature keeps raising AC
Hi all, I went to check an AC that made some noise (fans, the filters were pretty dirt and because of that the fans were always on full speed, needs a clean), that i think it's solved but the strange...
View ArticleMitsubishi electric vrv
Hi guys First post but found the site very useful in the past and very great full you guys help out. My problem is a Mitsubishi electric outdoor model PURY-P250TMF-C it has has 5 indoor units and a BC...
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