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09-16-2011, 05:39 PM
Thread: Chilled Beams_Feedback_Pros vs. Cons
by cool_tech- Replies
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40 years old finished in 1971 in melbourne aus....
40 years old finished in 1971 in melbourne aus. using pneumatic controls and these beams had a drip tray underneath in case of any condensation.
I agree with what flange said building controls must... -
09-15-2011, 04:24 AM
Thread: Chilled Beams_Feedback_Pros vs. Cons
by cool_tech- Replies
- 4
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- 876
Hi Have worked with a number of buildings with...
Hi
Have worked with a number of buildings with chilled beams one building is 40 years old, still working well. some may have a lint filter which will need to be cleaned. make sure thermostat is in... -
08-03-2011, 05:20 AM
Thread: Retrofitting
by cool_tech- Replies
- 1
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- 482
Hello There will be a company that can make a...
Hello
There will be a company that can make a new condensing unit using 134a or maybe off the shelf being 134a. they will need to know pipe sizes, model numbers if any and if you can take the unit... -
07-26-2011, 06:32 AM
Thread: Data Center Belt Residue
by cool_tech- Replies
- 8
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- 1,636
liebert belts?
g' day fridgies
As all the other guys have said, dont go cheap on the belts, make sure all pulleys are in good nick, and are alighned properley.
What are the liebert vt belts I have never heard... -
07-08-2011, 08:38 PM
Thread: CCN space temperature sensor failure
by cool_tech- Replies
- 15
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- 966
G'day guys sorry I was thinking of another type...
G'day guys sorry I was thinking of another type of machine. Try this link it ios pretty helpful. good luck
http://eto.carrier.com/ -
07-08-2011, 06:34 AM
Thread: CCN space temperature sensor failure
by cool_tech- Replies
- 15
- Views
- 966
Hello I take it this is on a chiller. ...
Hello
I take it this is on a chiller. what is the model? that fault can also mean phase reversal or power failure. a lot of the scroll compressor chillers will have a phase fail relay which... -
06-08-2009, 05:57 AM
Thread: Carrier 30gx oil issue
by cool_tech- Replies
- 15
- Views
- 1,934
30gx
hey guys,
had a 30gx playing up about 3 months ago with oil problems, got carrier out there he said that oil can get stuck in the evap, add oil run system to get oil to return then remove oil... -
ddc
hey mate,
check all comms cables going to all controllers and check any fuses that maybe on controllers/ modules. -
05-31-2009, 06:14 AM
Thread: Looking for wireing diagram.
by cool_tech- Replies
- 2
- Views
- 464
hows the eucalypts
hey koala
is it an apac aircon? ducted split or package? apac were a division of apac made in western australia. i take it you are from aus. if so total line should be able to help. -
05-31-2009, 06:05 AM
Thread: Shipboard R-414b mystery
by cool_tech- Replies
- 18
- Views
- 1,935
ahoy ther matey
hey there, just had a quick look on R414b it is a gas only used in canada
[ just reading from du pont's website.] looks to be similar as nu22. is you look at the pressure temp chart it shows that... -
09-30-2008, 05:59 AM
Thread: copper plating on compressor valves
by cool_tech- Replies
- 15
- Views
- 1,887
copper
we had a problem on a unit which kept having leaks on evap coil had it tested in lab said coil was eaten from inside out. i guess from acid build up but compressor was fine
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09-30-2008, 05:48 AM
Thread: Buzzing noise from circuit breaker
by cool_tech- Replies
- 11
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- 9,742
buzz bar
i also agree with the electriian could be a relay buzzing or if there is another contactor in there which could be making the buzzing noise
you will be able to tell which one one it is if you tap... -
not diy
hey guys thanks for your replys ok where do i start,
compressor was wrong type rated at 25 kw for r404a
long pipe run anly allowed to vac out for an hour,
over charged by 10 kg of refrigerant,
no... -
email a/c
Gday guys
just after some advice on a unit which i was sent to to try and salvage it. a new compressor was put in, a copeland sroller, for an old copeland recip. the compressor is a qr... -
09-19-2008, 05:15 AM
Thread: O6E Troubles
by cool_tech- Replies
- 11
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- 811
o6e
hey guys
i would take an oil sample and send it to be tested, they will pick up any brass, copper, steel in the oil,
lukey -
09-04-2008, 04:44 AM
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- 4
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- 2,062
hi just did a bathroom upgrade and we have a 3...
hi just did a bathroom upgrade and we have a 3 in1 fan light heater and an extra fan to get air out.
easy and cheap wire it in with the other fan -
09-04-2008, 04:38 AM
Thread: comms problems on trane screw
by cool_tech- Replies
- 1
- Views
- 584
comms problems on trane screw
g'day
just after some information or past expeiriences with communication problems on trane screw chillers . the fault was coming up comms failure on compressor unloader. check terminals for... -
09-04-2008, 04:13 AM
Thread: refco digimon
by cool_tech- Replies
- 4
- Views
- 716
hey guys from what i have seen on...
hey guys
from what i have seen on here isnt good about the gauges, i was buying the gauges because they have the vac gauge on them ,
price of the gauges are $540+10%gst
a cps vac... -
09-03-2008, 06:50 AM
Thread: refco digimon
by cool_tech- Replies
- 4
- Views
- 716
refco digimon
hey guys
just wanted some thoughts on the digmon gauges they are being released in australia. i have ordered a set and are selling like hot cakes.
what dramas have peope seen with... -
09-03-2008, 06:42 AM
Thread: Distributor icing???
by cool_tech- Replies
- 15
- Views
- 1,573
gday guys mado has is that a superheat at 6k...
gday guys
mado has is that a superheat at 6k degrees celcius which roughly works out to 42f (correct me if wrong)
does this machine ever turn off ?is it under sized for the application
i take it... -
08-07-2008, 03:21 AM
Thread: yellow jacket
by cool_tech- Replies
- 12
- Views
- 703
thanks
thanks for your info guys great help, i have no hesitations of getting the electronic gauges now
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08-03-2008, 06:26 AM
Thread: yellow jacket
by cool_tech- Replies
- 12
- Views
- 703
yellow jacket
hey guys
just wanted to know what your thoughts are on yellow jacket tools.
In Aus i havent seen a lot of their tools only know of one shop in melbourne that sells their gear. any tips... -
08-03-2008, 06:06 AM
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- 8
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- 920
water leak
hey guys,
You could conduct a oil acid test, water would also block up tx valves and if there is that much water in it and its getting back to compressor then it would short out the... -
07-27-2008, 06:44 AM
- Replies
- 10
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- 1,734
scrolls
hey guys
one thingit could be is the cap tube might be blocked up , have seen it before with simmilar pressures, is it a scroll comp? -
07-23-2008, 06:57 AM
Thread: water all around my furnace :(
by cool_tech- Replies
- 6
- Views
- 467
water furncae
hey guys,
what sort of furnace is this ? does it run on refrigerant, or is a gas burner type
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