Ice Rink
Hello what kind of chiller would i need for an outdoor rink 800 sq ft or so with ambient temp below freezing? also, how cold does the refigerant need to be would -4C be cold enough to run through the...
View ArticleTexv influencing suction pressure or lazy compressor?
Another strange one........ Had a job yesterday where on a cold room normally running at -5c sst on 134a, for a 2c room we had a suction running at 0c with an acceptable superheat of 7c. The room was...
View Articlerifeng heat pump
I need some spares foe a rifeng heat pump rifeng no longer supply units I think this is a rebadged kolant unit any one know where to get parts for kolant heat pumps thanks
View ArticleThermo King KV500
Hello, please I´ need de circuit diagram for Thermo King KV500. Regards
View Article404a condensing unut running r134a refrigerator
I have a brand new 3 door 134a refrigerator. I accidently purchased a new 404a condensing unit. Can i run the fridge with the condensing unit using the 404a without a prob or should i use r134a in the...
View ArticleGreenhouses
Hi to all! What is your opinion about this (http://www.coolerado.com/products/) for greenhouse use??
View ArticleFujitsu Ducted system diagnosis!
Went to house the other day with a complaint of ducted system not working. I turned it on and got no outdoor unit response at all. after speaking to the owner she told me she had a tech in before me...
View ArticleMini foldaway scaffold.
Im sure most of you guys have encountered similar situations.I I'm working on a site that has a no ladders or hop up policy...... coupled with a proper jobsworth site manager:mad:. These podium jobbys...
View ArticleToshiba Inverter Problem
Guy's I've got a Tosh Rav...about 6kW...R410a....can't recall exact model at the mo, which keeps on shutting down after approx 5 minutes. I've traced the fault to the compresser not being happy as it...
View ArticleHitachi RAK 50PPA ... Additional tank pump
If anyone can help , we have fitted a hitachi single split wall mount and need to fit pump on it to . my question is as the interconnecting cable is only a 2 core for terminals c&d is it possible...
View Articleright price !!
Hi colleagues, Could you please help out, I need to know how much can I charge for a job outside my work, for servicing a supra unit 850 from 2008. another thing that I do not know how to do it is how...
View ArticleUnit Cooler Ice Up
Hi, Everyone. I faced some problems of my project. I installed a set of Compressor and Condenser c/w 2 units of different model of unit coolers for 2 units of coldroom. Below show the model of items...
View ArticleHitachi two units one remote
Hello guys, Does anyone knows if it's possible to control two inside conduct rpi units from hitachi only using one wired remote without using h-link? The idea here is to use the two units as one Kr,...
View ArticleHow to give rep points?
People have been giving me rep points but I still haven't actually worked out how I can give points to other people? Probably being very dumb....
View Articlerunning hours Oil compressor
Dear, please advice any reference for explain running/operating hours to change mineral oil and synthetic oil for scroll, reciprocating, screw, compressor Regards, Apandi
View ArticleNo fail... no cold???
Well, as always bring you up, some weird stuff guys... Any tougths please leave in the comments... The unit in this case is a small meat chiller. The condensing unit originally was of 1/2Hp at 115v,...
View ArticleMYPRO cpIII communication problem
compressors are Mayekewa screw type with Mypro cp3 In a scenario Compressors will work in Auto-stage and it is required to monitor compressors in a special SCADA software, just to monitor Among with...
View ArticleService manual for INDESIT BE33PI
hello, i've got an older fridge freezer Indesit BE33PI that is after a not very qualified repair, electronic control has been disconnected and the main cable has been connected directly to the...
View ArticleCar A/C questions
Hi guys, Apologies if this is in the wrong section. I'm after a car A/C (I know people don't normally like this topic) expert who I can reel off a few questions at.. Firstly the pressure switch, where...
View Articlecoldroom software and its related books.
Hello to everyone.....new to this community and must say i am well impressed by the regular presence of such knowledgeable people and their posted contents. I am mechanical engr. and have been working...
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