Desuperheater water flow control ideas
For a heatpump project, I need to control the flow rate of hot water through a tube in tube desuperheater. Depending on the operating conditions, I need to regulate the hot water flow from 0.16 GPM to...
View ArticleHeat issues from a Daikin 5MXS90E7V3B1 Multi Inverter
Afternoon, I am struggling to obtain heat from the above unit on R410A If possible I would like some technical advice on a heating issue with an R410A 'Multi Inverter' I have installed (installed...
View ArticleLauda T4600W Recirculating cooler unit
Hi Can anyone Help, I have an Lauda T4600W giving me trouble, when fault finding this unit i found that the fluid circulating pump bearing was shot. Replaced motor bearing, turned unit on and found the...
View Articlefujitsu twin split
got 2x auya25stata cassettes on a ajya90tata 407c condenser, no alarms on controller and power to indoor ok, system doesn't start up, quickly tested the float switch isn't holding it off, louvres swing...
View Articlemcquay chiller exv driver error
i have the following error on mcquay chiller. (D04 exv driver battery error). Both fault and power lights are flashing and the plan light is on with the rest off. i am really stumped if anyone could...
View ArticleMycom wbhe compressor speed
Is there any Mycom guys out there that can advise on minimum speed for a WBHE recip compressor. The WB series could go down to 650 rpm with low speed oil pump. Is there any reason why a WBHE with low...
View ArticlePulling too many amps!
I fitted a new Frascold single phase semi hermetic comp today , brand new, new contractor , switch gear all changed , compressor is taking overload out when switching over from start to run windings ,...
View Article5.5hp comp on 4mm cable?
Got a scroll unit i'm fitting, its 5.5hp 1ph :eek: MRA is 37A plus 2-3A for fans, factory wiring is in 4mm and they've used a terminal strip (30A?) for it too. Is 4mm big enough or does it all want...
View ArticleLeaking LG LST244V Split System
Hi everybody, This is my first post on this forum - hi! I have an LG LST244V split system that was installed in 2004 (from memory) so is no longer in warranty. It has worked fine all these years but in...
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slotted channel
anyone know where to get this type of slotted channel from? DSC05021.jpgDSC05020.jpg Attached Images DSC05021.jpg (98.9 KB) DSC05020.jpg (89.5 KB)
View ArticlePlease Help Refrigeration innovation
Hi all, I'm taking Air-Cinditioning and Refrigeration this semester in an universiti in Malaysia. I need to do a publishable project paper on innovative design or ideas in refrigeration. I was thinking...
View ArticleBrand new Zanussi not working
Hi all, I have recently moved into a flat that came with a brand new Zanussi ZRB229MWO which doesn't appear to be working. The flat was unattended for over a year before I moved in. So the kitchen...
View ArticleChristmas Carols and other noises in RE
Hi! Am I the only one hearing Christmas Carols and strange noises when using the RE forum? :cool: it's happened 3 or 4 times lately... When I close the forumt page, the music stops... Regards, Nando.
View ArticleOverload relay for compressor
Hi, I think that most compressors have internal thermal protection and can shut them itselves off in case of overheating. Is it nesessary to use additional thermal overload relay for the protection of...
View ArticleBosch Fridge Freezer - Broken compressor filler pipe (I broke it)
I helped my sister move at the weekend and managed to damage her Fridge Freezer. After moving I noticed a small oil patch on the floor (about half a teaspoonful max). I could not work out where the oil...
View ArticleHeavy cooling under extreme hot weather
Hello everyone! We've been experiencing an intense heat wave over my area, and AC units are working overtime everywhere since apparently they are running overcapacity. Moreover, I enjoy lower...
View ArticleMitsubishi VRF addressing with HD150
We installed 2 VRF systems 2 years ago and all has been well until we connected it to a HD150 which in turn is linked to a TREND control. Now some of the units will not run, they just lie idle even...
View ArticleYork YCIV0590-1500 chiller trip on low suction superheat.
Hi my name is joe, new to the forum so please advise me for the following, Checking a york chiller found trip on low suction superheat, later found out the level of the feeder tank was 3% when chiller...
View Articleremove working a/c from site-fgas reg
1. A new split system is delivered from supplier anywhere to anyone with 1.6kg r410a gas in condenser, no fgas paperwork, this is completely legal. 2. A split system that has failed and will be...
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