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  • NSWC's Avatar
    18-09-2018, 01:55 PM
    Looking for site to download Carrier service/installation and troubleshooting manuals. can anyone help? The particular one that we need now is for...
    0 replies | 1 view(s)
  • NSWC's Avatar
    18-09-2018, 12:37 PM
    Have a carrier chiller model number 30RBA16064-5---3 that we are getting a "no communication" alarm/error every now and then. We have to toggle power...
    0 replies | 4 view(s)
  • RANGER1's Avatar
    18-09-2018, 01:10 AM
    RANGER1 replied to a thread R438a and R422D in Refrigerants
    I would have thought that glide would only be case with superheat at evaporator outlet, not suction line. most compressors limit it to 20 degC...
    12 replies | 422 view(s)
  • mikeref's Avatar
    17-09-2018, 10:22 AM
    mikeref replied to a thread R438a and R422D in Refrigerants
    Thankyou . I was figuring a temperature glide would make a my Saturated Suction Temperature rise over an 18 ish metre run.
    12 replies | 422 view(s)
  • mikeref's Avatar
    17-09-2018, 09:46 AM
    mikeref replied to a thread R438a and R422D in Refrigerants
    Thankyou for your comments guys.
    12 replies | 422 view(s)
  • A.King's Avatar
    17-09-2018, 07:43 AM
    A.King replied to a thread Ammonia CA Store Complex in NH3
    Hi Gents Thanks for the replies. The oil that has been in use is an ISO68, this has not changed and is still in use. There are also mulitiple...
    5 replies | 422 view(s)
  • al's Avatar
    16-09-2018, 01:20 PM
    al replied to a thread R438a and R422D in Refrigerants
    Brilliant post Glenn!
    12 replies | 422 view(s)
  • Grizzly's Avatar
    16-09-2018, 12:58 PM
    Grizzly replied to a thread R438a and R422D in Refrigerants
    Thanks for the reply my friend! I thought that was what the wording was implying. However over here in the U.K / E.U if you apply 2079. regs. You...
    12 replies | 422 view(s)
  • Tayters's Avatar
    16-09-2018, 06:59 AM
    Tayters replied to a thread LG multi in Air Conditioning
    Compressor not pumping?
    1 replies | 154 view(s)
  • eurocooling's Avatar
    16-09-2018, 03:46 AM
    eurocooling started a thread LG multi in Air Conditioning
    I have a LG multi about 9 years old 3 indoor come on pressure on cooling is 12 bar also it will not pump down can any one help as I do not work on...
    1 replies | 154 view(s)
  • RANGER1's Avatar
    15-09-2018, 11:37 PM
    RANGER1 replied to a thread R438a and R422D in Refrigerants
    Grizzly, I admit to knowing next to nothing about these refrigerants. In this paper it also mentions you can top up R407c a number of times without...
    12 replies | 422 view(s)
  • Glenn Moore's Avatar
    15-09-2018, 11:20 PM
    Glenn Moore replied to a thread R438a and R422D in Refrigerants
    Hi Mike Have loads of experience with R422D refrigerant. This refrigerant can cause loss of capacity up to 20% and seen this happen many times ,...
    12 replies | 422 view(s)
  • malik55's Avatar
    15-09-2018, 09:25 PM
    Looks this is an inverter type unit, may be same as KAY52DN7. Please note that A.C units are designed to work for human beings and normally should...
    4 replies | 476 view(s)
  • chemi-cool's Avatar
    15-09-2018, 07:00 PM
    chemi-cool replied to a thread R438a and R422D in Refrigerants
    Hi Mike, I am using 438 for several years now from cold stores through milk tanks and down to CO2 tanks at -30 C evaporating temp. No complains,...
    12 replies | 422 view(s)
  • Grizzly's Avatar
    15-09-2018, 05:43 AM
    Grizzly replied to a thread R438a and R422D in Refrigerants
    Hi Ranger. It's me being thick and misunderstanding the terminology. But can you explain the following. Which is listed as 1 of the benefits...
    12 replies | 422 view(s)
  • RANGER1's Avatar
    14-09-2018, 09:34 PM
    RANGER1 replied to a thread R438a and R422D in Refrigerants
    Mike you may already have, but for general information. ...
    12 replies | 422 view(s)
  • monkey spanners's Avatar
    14-09-2018, 07:19 PM
    R422D is crap in milk tanks imo, runs about 1bar lower suction than it did on R22 with consequent drop in capacity. Have used R438A on an ice...
    12 replies | 422 view(s)
  • al's Avatar
    14-09-2018, 04:27 PM
    al replied to a thread R438a and R422D in Refrigerants
    I've used 422d with no issues, not come across the other one. Only issue is that the replacement is more prone to leaking.
    12 replies | 422 view(s)
  • Brian_UK's Avatar
    14-09-2018, 02:37 PM
    You need to monitor the operation of the unit to try and understand what is happening. Why is it set to 17°C, it will probablynever reach that...
    4 replies | 476 view(s)
  • rubybree's Avatar
    14-09-2018, 02:25 PM
    It's Kaysun Ducted 18k Btu system which is a Spanish manufacturer based in Barcelona. Room temp is usually around 27C and set to cooling 17C. There...
    4 replies | 476 view(s)
  • mikeref's Avatar
    14-09-2018, 10:16 AM
    mikeref started a thread R438a and R422D in Refrigerants
    Current replacements for R22 in Queensland is R438a and R422d. Has anyone had issues with these Blends? My bad as i haven't logged in to R.E....
    12 replies | 422 view(s)
  • mbc's Avatar
    14-09-2018, 05:58 AM
    mbc replied to a thread Ammonia CA Store Complex in NH3
    hi as you know we have dead point some time in our piping when you add new system mostly it effict to our dead point and moved all waxes and oils...
    5 replies | 422 view(s)
  • RANGER1's Avatar
    13-09-2018, 09:36 PM
    RANGER1 replied to a thread Ammonia CA Store Complex in NH3
    A.King, As stated above as well as with extension, was the equipment & pipe new, or secondhand from somewhere else? Can you also explain...
    5 replies | 422 view(s)
  • cricri's Avatar
    13-09-2018, 06:24 PM
    cricri replied to a thread Ammonia CA Store Complex in NH3
    It could be the oïl or grease used to protect the new pipes during storage. waxed by the ammonia and staying in your EVM
    5 replies | 422 view(s)
  • Grizzly's Avatar
    13-09-2018, 04:09 PM
    Grizzly replied to a thread Ammonia CA Store Complex in NH3
    Hi. What Oil was being used and what Oil is now being used? Sounds like Waxing to me! Alternatively were suction socks or strainers used in the...
    5 replies | 422 view(s)
  • Rob White's Avatar
    13-09-2018, 03:06 PM
    . I do not have specific detailed information re this but a general search found a few references to Patents in the US that are for door and...
    2 replies | 249 view(s)
  • chemi-cool's Avatar
    13-09-2018, 02:56 PM
    Here is something that might interest you' http://journals.sagepub.com/doi/abs/10.1177/0021955X8402000307
    2 replies | 249 view(s)
  • A.King's Avatar
    13-09-2018, 09:26 AM
    A.King started a thread Ammonia CA Store Complex in NH3
    Hi Everyone I have a client who has just added 8 CA Stores to an existing 12 CA stores. Ammonia was added to the plant to accomodate the new CA...
    5 replies | 422 view(s)
  • Aria's Avatar
    13-09-2018, 07:51 AM
    Hello all, I want to discuss about bimetallic bow in urethane foam. I have a problem with bending frame in door refrigerator. If there is a...
    2 replies | 249 view(s)
  • malik55's Avatar
    12-09-2018, 10:51 PM
    Unit make>model>type > any alarm trip indication>conditions when it reset>ambient temp, Info may be could help to identify reasons of tripping.
    4 replies | 476 view(s)
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