Zanussi Fan Removal
IÂ’m hoping that someone can help. I have a Zanussi ZNB383W Frost Free fridge freezer. I have been getting some mushy ice cream out of the freezer for some time. The drinks from the fridge didnÂ’t seem...
View ArticleProtecting Armaflex from UV, etc
Hi, Most of the Armaflex for my new AC unit has been run externally in ducting but the final metre or so of pipe work to the outdoor unit will be exposed to UV, etc. I could get some Armafinish paint...
View Articlepsychrometric chart question
I'm trying to understand the following : I have for a point : tdb = 84.7 F twb = 75.6 F when i enter then [(IP units)psychro chart] to get enthalpy , it comes out to be : h=39.1 btu/lb now i need my...
View ArticleBuzzing from Air-Conditioning Unit
I have just had a Mitsubishi Air-Conditioner installed (SRK25ZMP-S) and it would make a buzzing noise maybe every hour or so but now it is doing it every few minutes. Can anyone tell me what this might...
View ArticleInefficient ducted system
G'day boys. Looking at an old daikin split ducted, working but just not well. R22 EEV Outside has 11'c on, 3.5 off evaporator. Discharge pressure was at 40'C. Liquid 38'C. Suction at 0'C. Inside...
View ArticleLinked in
So Linkedin asks me to endorse IM for his knowledge of sewage.........How the hell am I supposed to know his bog habits, haha?
View ArticleDaikin rethinking the use of Hydrocarbons in the UK market.
. http://www.coolingpost.com/uk-news/d...urry-with-r32/ Regards Rob .
View ArticleCooler condensation, no cooling
Hi, I have a problem with my customers makeline-cooler. Top part of it (where the food containers are) stays pretty cool (40F) but bottom part doesnt get below 60F & there is excessive condensation...
View ArticleWhirlpool K40 ice machine
I recently purchased a second hand k40 ice machine. There is no problem with ice production but the machine lets a lot of water out through the drain after every batch of ice. Is this normal? It is a...
View ArticleEmployment ??
Evening chaps Time to take on more installers. I have been through my little black book of subbies and none are available at the moment. Where have you found best to advertise for fitters? I'm guessing...
View Articlesearle twin evap
Hi all been to look at a twin searle evap system on a old prestcold unit the unit furthest away start to frost back heavily after checking gas pressures at condensor all seem ok i am wondering if the...
View Articlefacebook friend or dangerous?
I use this medium to communicate not like some who put everything they do and think about on it,lately found its open to rumour mongering etc would like to know other peoples views
View ArticleHoneywell RTH9580WF
Hello, I'm new to the forum. I'm refrigeration engeneer from Bulgaria. I have the following case study, I would like to put in a house smart thermostat, but I can not find it suitable for our system....
View ArticleDaikin packaged unit evaporator icing
Hi All. Need some help. I have a Daikin unit model RUR15NY1 (outdoor unit) and FDR15NY1 (indoor unit) using R410A. I am having icing issues. My steps so far:- 1) after finding the evaporator coil fully...
View ArticleDuopack gea il problem
We suffer with oil carry over (a lot > 150l) from our DUOPACK GEA compressors (2 screws on 1 simular oil separator). Anybody the same (bad) expirience with this kinds of Duopack? 1 compressor is...
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Mini clamp meter
image.jpgimage.jpgAlrite lads, I'm after a mini / slim jaw clamp meter mainly for splits, the 1 I've got is too big to get run amps off fans and comps without snipping the outer sheath off the cables....
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Valve Identification
Hi Guys Wondering if anyone out there can identify this valve. I have asked around without any luck. I need to source a service kit / o-rings before starting a refrigerant retrofit. Valve Make .jpg...
View ArticleHotpoint rla36 larder fridge not getting cold
I have a problem and I hope that someone can help! I have a Hotpoint RLA36 Graphite, it's a few years old but in excellent condition except for the problem. I dont know anything about fridges so please...
View Articleold r12 walk in freezer won't drop below 3*.
Sight glass is clear. Superheat at compressor is 20*. Both coils clean. It's an old semi hermetic, I thought the valve plate was bad. Changed out the valve plate expecting a super efficient compressor,...
View ArticleVery high suction pressure r404a
Hi all just wondering if you could help me, i have a salad unit with a one year old condensing unit (3/4).I service it last week and found the suction pressure up 90psi and liquid line 225psi (no...
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