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Older Activity
08-06-2024,
04:58 PM
al
replied to a thread
R471a to replace the co2 rack just an idea
in
Supermarket Refrigeration
You'll find the discounters like Aldi and Lidl have gone back to integral units with water cooling (here away), these have done away with racks and...
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1 replies | 14 view(s)
08-06-2024,
04:18 PM
narkom
replied to a thread
High pitched compressor noise
in
Air Conditioning
Most likely, it is a Linear expansion valve B. Replace it or braze in the opposite direction (it is a bi-flow valve).
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1 replies | 162 view(s)
08-06-2024,
03:45 PM
kefah
started a thread
some question
in
Air Conditioning
hello all really missed you and pardon me for long time no contact due to several issue non stable country and Spinal disc herniation i had in...
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0 replies | 19 view(s)
08-06-2024,
03:45 PM
kengineering
started a thread
R471a to replace the co2 rack just an idea
in
Supermarket Refrigeration
As an older professional who began in this trade with R12, R22, R502, and cleaning tools with R11, it's clear that the refrigeration world has become...
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1 replies | 14 view(s)
08-06-2024,
01:54 PM
kengineering
replied to a thread
Setting EPR and TXV
in
Supermarket Refrigeration
Thanks for all the idea sharing. Seems we just needed to make very small adjustments and be patient. One of the difficulties I face is working from...
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8 replies | 930 view(s)
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 | 2085 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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8 replies | 930 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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8 replies | 930 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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8 replies | 930 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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8 replies | 930 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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8 replies | 930 view(s)
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