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CO2 refrigeration units by DAIKIN

Dear Colleagues: Do you know any refrigeration system by DAIKIN, using CO2 as refrigerant? I have heared about it, but I am unable to find any technical paper. Thank you.

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Mitsi electric help please

Hi Chaps, I have a client with a SUZ-KA60VA1 cassette system. In heating mode the system is set at 28C on the controller but only increases the room temp to 22C, Ive checked the outdoor R410a...

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outdoor fan spin and stop in heating mode

hi i have question about split unit heatpump why does the outdoor fan spin and stop in heating mode i know that it stop during defrost mode but why its spin and stop in normal mode i encounter this...

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Mitsubishi AG-150 Controller

Hello, Would anybody know if you can password protect the schedule timings on these controllers. Thanks in advance

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add sight glass on critically charged system

Hi. I had to cut up a sandwich table to replace the compressor, so I added service valves and a sightglass. I also estimate that I have another 3" of 1/4" OD copper to accommodate the sightglass and...

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Where to buy condensers

So I'm putting together a design for a 1/4hp system but I cant figure out where to buy just a condenser without going through Alibaba or some other Chinese website. Where can I buy just a condenser,...

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FES/GEA R290 skid

I need a service manual for the micro3 controller, what I am looking for is changing VI setting, compressor is not reaching set point, slide valve at 100%, motor not drawing FLA, VI sits at 2.6. If...

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Does Low and High pressure vary under different operating condition

Hi, I'm running a 4 ton R410A water to water heat pump. Under full load condition, my source water is entering at 43F and leaving at 38F. My source of water is coming from a lake. The evaporation temp....

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Bitzer Screw Unloaders

Hi, I am monitoring a couple low and medium temp hill phoenix racks. Both have Bitzer screw compressors with two unloaders on each compressor staging capacity at 50%, 75%, and 100%. I have had great...

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Mitsubishi PUHZ-P100VHA2-UK ACTM board keeps blowing!

I have recently been having ongoing problems with this unit, recently fitted a new power board and noise filter board. Returned yesterday to fit ACTM board, switched on, compressor started to run so...

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Chilling issues with Environmental chambers Angelantoni

Hi Guys, I'm new to this so bear with me! My company owns 10 angelantoni chambers ranging from 500L to drive in size. But they always seem to spring leaks (I'm guessing) as some of them stop driving...

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Service Advice / work

Hi, I am due to receive a Taylor 152-40 soft serve machine this week. I want to have it serviced and be shown the basics involved in maintenance of this machine. My business (roller skating rink) is...

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Level 3 BTEC Ref, Heat, AC

Looks like I'm doing this course.... I've read it's purely the theory side of things and pretty intense.. Anyone had any experience of this..... I'm not new to the game

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Airedale DF25X2 Vapac issues...

Check out this... serviced a couple of days ago.. Doesn't look terrible but it's full of crap!! image-2188158927.jpg Attached Images image-2188158927.jpg (48.2 KB)

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Citymulti

I have a city multi p125 and 2 indoors p63s with one par 31 remote .the remote cable was never looped in ,can I change settings with a par 27 remote to get both units to run and then take off par 27...

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Sanyo DX Inverter Split AC

Hi.. recently i had installed the Dx inverter split AC ( Sanyo ).when the electricity gone then again i have to switch on from the remote, can't it run on automatic mode.? so could anybody help me to...

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Assignment question heat pump

hi i am designing a ground source heat pump for a building of 150m2 the heat needs to run 24/7 as its a pig house. can any of you suggest waht sixe of systme too use. also is the kw thermal output what...

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Recovery unit

Hi We are looking at buying a new recovery unit for use on commercial and industrial RAC equipment. The unit will be kept in the techs van so must be able to take a few knocks. We currently use yellow...

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PU Panel connection for Refrigeration

HI, I am newbie here. Hope all expectise can help and give a advice on below issues: 1) Other than Cam-locked system connection for refrigeration PU panel, any other connection method? 2) If i choose...

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Where to sell spare parts??

Apart from the usual auction site would anybody know where I could sell various new parts that I seem to have accumulated. They are all new and boxed just not needed. Many thanks

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