Transport Refrigeration Jobs
Hi. Iam currentley living in Australia working for a Carrier dealer on transport refrigeration units TK aswel. I'm thinking off moving back to the UK( North West) nxt yr & was wondering is the...
View ArticleDisplay fridge continuously cooling
Hi I have a display fridge that is continuously cooling beyond the set point of 7C. It has a Carel easy cool temperature controller. I have fitted a new NTC probe but has made no difference. Any ideas?
View Articlesamsung floorstand split ac problem
hi i installed a Samsung floor stand split unit its heat pump 28000 btu and model is AP30N1A the unit is working perfectly as i use it in cooling mode its normally that after the desired temp is...
View Articlexarious 350
had a issue today with a just past tweleve month old 350 the wires than run from tranny to elec box had rubbed on a metal bracket just in fr of stby comp frying the rec and takeing fuse out on micro is...
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DIY Organic Rankine Cycle
This is my basic micro ORC concept to be developed as DIY project. www.scoop.it/t/organic-rankine-cycle www.microgenerationconcepts.com/ ORC converts low temperature heat to mechanical work for...
View ArticleNumber of rows for cooling coil
Kindly advise whether this equation is correct. Number of row=Btu/hr/(overall coefficient of coil x Log mean temperature different x face area x outside to inside ratio)
View ArticleReplacing air conditioning: split or packaged?
I've only just discovered that central air conditioning comes in two forms, split and packaged air conditioner, and I guess we must have the latter. Our architect had an A/C contractor look at our...
View Articlenewbie just trying to get a little help
Hello I am trying to build a small(4000 cu-in) cooling chamber that gets to about -40C. I am having hard time time finding anything in that range. The best thing ive found is carrier products for...
View ArticleC&G 6127 Help needed
Hi, I am new to refrigeration and and not in the industry yet, I am self funding to pass the second year exam due in a weeks time, I have a test question that I cannot work out and I have no further...
View ArticleMdII Return air sensor
Temperature readings on controller are bouncing all over the place. I installed a new sensor for the first few minutes the readings were stable then starting jumping all around again. What could cause...
View ArticleR290 + HC's
Never dealt with the care range of refrigerants, looks like we will be dealing with small amounts. Gonna look at the BOC course... Main difference in procedure as opposed to our beloved normal...
View Articletecumseh tah 2511k
dear all, plz tell me what is the capacity of tecumseh hermatic compressor TAH2511K 400 VOLT R 502
View ArticleMitsubishi
Im looking for what each function mode setting is on a par 31 for city multi and mr slim Has anyone got a list. Cheers
View Articlemonobloc units
looking for a supplier of these,4hp for a freezer room i am building looking for two have encountered some badged as keyfrost ,but there must be other makes .
View Article1/4 expanders
Hi, I have been searching for 1/4 copper pipe expanders but have been unable to find anything on the market so far. Does anyone know if such a tool exists? Im obviously aware of cold punches and...
View ArticleDouble door Freezer temp issues
Hi, I had been trouble shooting a 6 ft upright standing double door freezer at a Thai restaurant. The Carel controller is set to -19 and it can only achieve -10 degrees at its best. Previous techs have...
View Articlesplit AC suction line cold & liquid frostiong sweating ?
Had some one ask me to take a look at a split ac unit the had set up the had brought the unit used & was pumped down with r410a refrigerant. It had lowside pressure of 15 bar when unit was started...
View ArticleBlowers regulation
Hi every body, I am looking for HVAC blowers manufacturer for industrial applications, that supplies blowers with a large range for speed regulation, about 100%-10%. Thank you Ooza
View ArticleDaikin VRV E9
Hey guys Got a daikin VRV r407c with E9 had daikin come and look and told us to replace EEVS replaced all EEVS and still the same fault. swapped boards over with another unit reset same fault?! what...
View ArticleMcQuay WSC063 Oiling Problem
I have a 300 ton McQuay WSC063 Chiller with an oiling problem. The oil pump went out on the chiller (lock rotor) so we replaced it with a new one. The new one is a McQuay replacement of a replacement...
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