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Older Activity
27-01-2019,
07:41 AM
dolce
started a thread
Advise about pipe connection for air cooler
in
System Optimization
Hello my friends Please Advise about pipe connection for air cooler. when i checked R22 plant this problem Drew attention the air...
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21 replies | 820 view(s)
24-01-2019,
11:26 PM
r.bartlett
started a thread
https://www.solxenergy.com
in
Technical Speculations
Has anyone looked at this ? Seems counter intuitive
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13 replies | 620 view(s)
02-02-2019,
12:50 PM
Grizzly
started a thread
Replacement of an Danfoss ICM 25 Module.
in
Technical Speculations
Hi Guys! I have poured over various Danfoss PDF's online and cannot find the answer to my Query! I am looking to replace a suspect ICM 25 Module....
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12 replies | 379 view(s)
20-01-2019,
09:32 PM
Th.Mihov
started a thread
Advice needed for mini-split
in
Air Conditioning
Hello everybody :) A year ago the uncle of my wife gave me a working 12 000BTU ,R410 inverter mini-split system which someone was going to throw...
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9 replies | 779 view(s)
26-01-2019,
04:58 PM
Peter_1
started a thread
Soldering K copper
in
CO2
anyone already pressurized 1/2" drawn copper with soldered elbows on1700 psi, 120 bar? Any comments?
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8 replies | 389 view(s)
21-01-2019,
10:44 PM
r.bartlett
started a thread
Daikin twin not ramping up on heating
in
Air Conditioning
Chaps got a 4kw twin split 2012. both indoors run on cooling as normal. but on heating the unit will only ramp up to 240psig and hence no real...
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5 replies | 593 view(s)
12-02-2019,
09:55 PM
Kathleen
started a thread
compound refrigerant gauge calibration best suggested method
in
Tools and Calculators
I would like comments on the subjet: We have an intern discussion at the office on the reliability of our compound gauges calibration between two...
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8 replies | 222 view(s)
03-02-2019,
03:51 AM
manmohan
started a thread
Two condenser use
in
NH3
Hi... can we use two shell tube type condenser on single reciprocating compressor? Plz give me inlet and outlet hedders drawing
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5 replies | 452 view(s)
25-01-2019,
10:33 AM
Brian_UK
started a thread
Automotive Service Valve Leak
in
Transport
I'm a little confused about the access fittings you have. Are they proper R134a clip-on fittings or car tyre valve type schraders?
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2 replies | 507 view(s)
20-01-2019,
06:40 PM
seanf
started a thread
Diode in series with AC coil
in
Fundamentals
Not much knowledge of electrics or electronics. A contactor coil for the three phase supply to a large inverter drive for a compressors motor....
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4 replies | 303 view(s)
07-02-2019,
07:43 AM
gozoboy
started a thread
Flare torque wrench
in
Tools and Calculators
Hi all, During the last 18 months I have had to change my Rothenberger torque wrench twice. It loses its calibration and goes 'soft', clicking too...
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5 replies | 218 view(s)
07-02-2019,
04:29 PM
nanuuk
started a thread
Plant Decommissioning
in
Technical Discussions
We are about to under take shutting down a 170,000 sq. ft. refrigerated warehouse for demolition. This is new territory for me and was wondering if...
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2 replies | 284 view(s)
02-02-2019,
07:03 PM
A.Mortezania
started a thread
Water regulator valve
in
Fundamentals
Hi Friends, Photo below shows water regulator valve that helps condenser pressure to be constant. Always we use it at inlet water of condenser...
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2 replies | 314 view(s)
15-02-2019,
08:15 AM
Peter_1
started a thread
Woodley Micromon with red segment display
in
Controls
I have replace the battery in this old (+/- 25 yerars) device and since then, it won't print weekly the graphs anymore Does someone have an old...
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3 replies | 110 view(s)
28-01-2019,
05:59 PM
A.Mortezania
started a thread
Positive displacement
in
Fundamentals
Hi Friends, I have a question. I read that scroll compressors are positive displacement compressors. What does it mean ? It means also we may...
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2 replies | 288 view(s)
12-02-2019,
05:57 PM
kengineering
started a thread
Commercial Display Case BTUH / ft and Evap Temp requirements.
in
Technical Discussions
All, Looking at major supermarket display case manufacturer's data sheets, often times a model is listed with multiple BTUH / ft and evaporator...
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2 replies | 160 view(s)
14-02-2019,
12:01 PM
Miked1
started a thread
Retrofitting York YCAS screw chillers from R22 to R407c
in
Trouble Shooting
It's been a while since I posted anything here. I am about to embark on changing some R22 YCAS chillers to R407c and was wondering if anyone out...
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2 replies | 153 view(s)
10-02-2019,
09:41 AM
yanev22
started a thread
Carel PCO - programming
in
Controls
Hello ! Is there someone who can programm Carel PCO 2 ? I have a Blue Box chiller which were vandalism and stealing the PCO and EEV Drivers ....
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2 replies | 138 view(s)
14-02-2019,
10:04 PM
born2dive9702
started a thread
Hot tropical enviroment Condenser Temps
in
Technical Discussions
In a hot (120'F) desert environment do you want the condenser temps to be hot or cool? Under a normal system for condensers they say it has been...
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2 replies | 126 view(s)
23-01-2019,
11:12 AM
SON
started a thread
CLIMAVENETA Magnetic bearing Can operate on Chiled water In/Out 14/5'C ?
in
Air Conditioning
Dear Frends, Can water cooled Magnetic Bearing Oil Free chiller operate or selection on chiled water In/Outlet 14/5'C?
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0 replies | 426 view(s)
04-02-2019,
04:49 AM
Ying Wah Ling
started a thread
Replace new Danfoss TT300 compressor
in
Refrigeration Books
Replace new Danfoss TT300 compressor but the compressor BMCC factory current setting only 45 Amps. and use OEM code cannot change it! Therefor use...
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1 replies | 208 view(s)
27-01-2019,
09:24 PM
hsn157134
started a thread
USA coil Software (problem )
in
Tools and Calculators
Hi when rating a condenser in usa coil software, there is CFM for axial fan.( my axial fan has a label for example 4000 cfm). which one is correct...
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1 replies | 205 view(s)
26-01-2019,
01:07 PM
BnTir
started a thread
TRS Eco-drive + Iceland (Carrier)
in
Transport
Hello All! I have a question. I have a problem with refrigeration unit TRS (this is brand of Carrier, now) which is mounted on truck. This is...
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0 replies | 345 view(s)
28-01-2019,
04:56 PM
Jackryan
started a thread
Career advice.
in
Commercial
Good Morning, I Currently work as a Refrigeration Supervisor for a cold storage facility, I work exclusively with Ammonia, but have been thinking...
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0 replies | 295 view(s)
25-01-2019,
03:56 AM
dukesos
started a thread
Automotive Service Valve Leak
in
Transport
After successful compressor replacement and refrigerant swap, from R134a replacement with (40%) proprietary R290/R600a blend, we have discovered that...
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0 replies | 282 view(s)
07-02-2019,
08:08 PM
chillermac
started a thread
chiller spare parts
in
Air Conditioning
Hi all, Does anyone have a contact for a distributor in Europe that supplies chiller parts? Outside of the UK..
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0 replies | 254 view(s)
09-02-2019,
07:57 PM
yanev22
started a thread
LG VRF - outdoor unit
in
Air Conditioning
Hello all , I need someone who is working with LG VRF systems to find out how can i run outdoor units with model : ARUH1208T1 and ...
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0 replies | 191 view(s)
04-02-2019,
04:47 PM
texanul
started a thread
R23 Recovery Unit
in
Tools and Calculators
I must buy a recovery unit , a unit can handle big pressure refrigerants like R23 and R508 . My problem is this: only one found somwhere in USA but...
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0 replies | 148 view(s)
14-02-2019,
09:57 PM
born2dive9702
started a thread
ASHRE table help needed forgotten.
in
Technical Discussions
I can not remember (it has been 25 years since I apprenticed in my teens, and I have since changed careers, so forgive me) With the Ashre tables...
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0 replies | 99 view(s)
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