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Older Activity
07-06-2024,
02:53 PM
Thiagoros
replied to a thread
induction heater for brazing ?
in
New Technologies
Induction brazing is a highly efficient method for manufacturing refrigeration and AC systems due to its ability to provide consistent and rapid...
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4 replies | 2076 view(s)
03-06-2024,
09:01 PM
al
replied to a thread
Setting EPR and TXV
in
Supermarket Refrigeration
Fitting an EPR will mess with TXV as you are putting a false restriction on the suction line, the EPR will open / close to maintain its setting...
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7 replies | 897 view(s)
02-06-2024,
10:20 PM
RANGER1
replied to a thread
Setting EPR and TXV
in
Supermarket Refrigeration
https://www.parker.com/content/dam/Parker-com/Literature/Sporlan/Sporlan-pdf-files/Sporlan-pdf-090/90-20.pdf Do you have any flow through EPR when...
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7 replies | 897 view(s)
02-06-2024,
08:41 PM
seanf
replied to a thread
Setting EPR and TXV
in
Supermarket Refrigeration
Is the sizing of the EPR ok? Do you have a sight glass you can use to check you have a constant solid liquid supply to the TXV?
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7 replies | 897 view(s)
02-06-2024,
03:08 PM
kengineering
replied to a thread
Setting EPR and TXV
in
Supermarket Refrigeration
SH calculated at the access port at the TXV sensing bulb.
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7 replies | 897 view(s)
02-06-2024,
03:06 PM
kengineering
replied to a thread
Setting EPR and TXV
in
Supermarket Refrigeration
Using a sporlan SBVE-AA TXV. which has worked for us for many years @20°f evap temp. The condensing unit is one we pair with this case set-up all...
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7 replies | 897 view(s)
01-06-2024,
08:17 AM
Ledoy
started a thread
High pitched compressor noise
in
Air Conditioning
Hi Looking for suggestions on what could be causing a high harmonic noise on a Mitsubishi electric PuHz-rp125? Could this be a...
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0 replies | 149 view(s)
31-05-2024,
01:19 PM
Grizzly
replied to a thread
Bitzer reciprocating compressor model 4GE-30Y-40P spare parts manual
in
Commercial
Hi Samabraham. Try this link. it works for me? ...
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1 replies | 226 view(s)
31-05-2024,
11:56 AM
samabraham
started a thread
Bitzer reciprocating compressor model 4GE-30Y-40P spare parts manual
in
Commercial
Hello, Please share with Bitzer reciprocating compressor spare parts manual. If any have this model. 4GE-30Y-40P
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1 replies | 226 view(s)
27-05-2024,
06:09 PM
Orsus_KR
replied to a thread
Hygroscopic POE oil
in
Fundamentals
Hi Kay86: I worked for a compressor mfr. before. We can't get entire oil out of a compressor. Reason is the compressor is run tested by the mfr. for...
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7 replies | 1370 view(s)
27-05-2024,
05:55 PM
Orsus_KR
replied to a thread
R290 LBP Compressors at Low Temperatures
in
Fundamentals
Hi Kay86: do you find these "rated only down to (-)35C evp temp" models either at the lowest end of LBP range (or) at the highest end of the entire...
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3 replies | 510 view(s)
27-05-2024,
06:07 AM
MP231
replied to a thread
Mypro CPIV Controller Setpoint Selection
in
Electrical
Thanks Grizz I'll have a look
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3 replies | 634 view(s)
26-05-2024,
08:20 PM
seanf
replied to a thread
Tandem Danfoss Scroll Compressors _ Oil Level Problems
in
Trouble Shooting
Hi Refrigerologist, Have you had anything back from the expert? or found the problem yourselves? Cheers
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20 replies | 1739 view(s)
25-05-2024,
08:38 AM
Coldair98
replied to a thread
Scania Higer 2018
in
Transport
Yes thats a good start, I had 2 coaches this week with the same fault was kind of hoping someone could put there finger on the pulse with the issue...
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2 replies | 454 view(s)
24-05-2024,
12:13 AM
mbc
replied to a thread
Stal R59E Service Manual
in
Refrigeration Books
Hi Check your mail , please MBC
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3 replies | 335 view(s)
23-05-2024,
10:01 PM
RANGER1
replied to a thread
Setting EPR and TXV
in
Supermarket Refrigeration
Are you calculating superheat on the evaporator pressure, upstream of EPR valve?
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7 replies | 897 view(s)
23-05-2024,
06:53 PM
seanf
replied to a thread
Scania Higer 2018
in
Transport
Could you apply the correct voltage to the LP switch to test the switch and controls work correctly? Then trace back the wiring from the switch to...
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2 replies | 454 view(s)
23-05-2024,
06:46 PM
seanf
replied to a thread
Setting EPR and TXV
in
Supermarket Refrigeration
What type of expansion valve are you using? How does the rest of the system look? Subcooling, liquid line sight glass, filters and strainers clean?
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7 replies | 897 view(s)
23-05-2024,
01:11 PM
kengineering
started a thread
Setting EPR and TXV
in
Supermarket Refrigeration
Hello, As customers are requesting higher evap temps I am trying to determine the BTUH of our MT display cases at those requested temps. i.e 20°f,...
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7 replies | 897 view(s)
22-05-2024,
10:06 PM
Coldair98
started a thread
Scania Higer 2018
in
Transport
Hello all Can anyone point me in the right direction for fault code E41, (Compressor feedback, low pressure side) plenty pressure there but no...
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2 replies | 454 view(s)
22-05-2024,
03:46 PM
ASAD
started a thread
Mueller Chiller
in
Technical Speculations
Hello everyone, I am looking for operating instructions and a password for the chiller. ...
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0 replies | 258 view(s)
21-05-2024,
01:33 PM
kay86
replied to a thread
R290 LBP Compressors at Low Temperatures
in
Fundamentals
Hello, thanks for your reply. At -40C the pressure chart for R290 says 1.4 PSIG so yes it's almost vacuum but it's indeed doable. Infact, picture...
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3 replies | 510 view(s)
21-05-2024,
07:58 AM
coolpower
replied to a thread
Stal R59E Service Manual
in
Refrigeration Books
Hi mbc iliasfrigomarine@gmail.com Thank you.
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3 replies | 335 view(s)
21-05-2024,
07:14 AM
csrbvba
replied to a thread
R290 LBP Compressors at Low Temperatures
in
Fundamentals
I think that at -40° the high pressure temperature would be to hot. -40° is almost vacume, with the pressure lost would be lower. Probably needs a...
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3 replies | 510 view(s)
21-05-2024,
03:48 AM
mbc
replied to a thread
Stal R59E Service Manual
in
Refrigeration Books
Hi send your Email I have those , MBC
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3 replies | 335 view(s)
20-05-2024,
06:34 PM
dvb_gsm
replied to a thread
Brandt C15350970
in
Refrigerants
Hi.. I found a label Can you help me solve my problem?
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1 replies | 1940 view(s)
20-05-2024,
05:56 PM
coolpower
started a thread
Stal R59E Service Manual
in
Refrigeration Books
Hello All ;) Could any one maybe have service manual for the compressor STAL R59E MkI Generation E and F Thank you in advance.
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3 replies | 335 view(s)
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