View Full Version : 30xa
serviceman
24-04-2010, 03:15 AM
I have two questions:
that controls the temperature of the oil during compressor failure? have any thermostat to energize the resistance?
compressor A UL 1998 critical section software error?
causing this alarm?:confused:
james10
24-04-2010, 10:17 AM
service man pm oldschooleng he'll tell you all you need to know
Brian_UK
24-04-2010, 10:58 PM
Do you have a copy of the operating manual?
If not, download here..
http://eto.carrier.com/litterature/iom/13452_IOM_10_2009_30XA_LR.pdf
Oil heater is in the separator, 'stat at 85°.
moideen
25-04-2010, 05:19 AM
I have two questions:
that controls the temperature of the oil during compressor failure? have any thermostat to energize the resistance?
compressor A UL 1998 critical section software error?
causing this alarm?:confused:
30 xa oil seperator has trace heater eqipped with internal thermostate.it control oil temp up to 85c.
your 2nd question is not clear.
Moideen-Dubai
alan wolf
26-04-2010, 06:17 PM
Hello
Today I have found a 30XA 0902 with 1 system empty of gas.
Leak test reveals 5 of the 7 coils on this system have leaks inside the coils.
1 coil has 5 in a small area,
Can anyone advise of similar problems and what reasons ie manufacturing.
Regards
AWW
goshen
26-04-2010, 07:35 PM
Hello
Today I have found a 30XA 0902 with 1 system empty of gas.
Leak test reveals 5 of the 7 coils on this system have leaks inside the coils.
1 coil has 5 in a small area,
Can anyone advise of similar problems and what reasons ie manufacturing.
Regards
AWW
HI alan
DO YOU MEAN EVAPORATOR OR CONDESER COILS?
WE HAVE HAD TROUBLE WITH THESE UNITS( AIR COOLED ) EXCPECIALLY IN AREAS THAT THERE IS A BIG DIFFRENCE IN TEMP DAY TO NIGHT .THE EXPANSION WAS TO GREAT FOR THESE COILES,AND THE CONDENSER WASNT SPLIT ,AS SHOULD .;)
serviceman
26-04-2010, 08:53 PM
I've repaired several leaks in condensers, especially in this case the machines are near a water treatment plant waste
alan wolf
27-04-2010, 06:11 AM
Hi Serviceman
Condenser coils.
We have about 20 units under contract and a problem like this may be contagious. what do u think the reasons are?
expansion as i am in qatar and we can have some hi/lo temp variations
Regards
Aww
goshen
27-04-2010, 07:13 AM
Hi Serviceman
Condenser coils.
We have about 20 units under contract and a problem like this may be contagious. what do u think the reasons are?
expansion as i am in qatar and we can have some hi/lo temp variations
Regards
Aww
hi alan :
either expansion or corrosion!:rolleyes:
alan wolf
27-04-2010, 03:02 PM
Hi Goshen/Serviceman
Have not got back to site as yet but now have a leak reported from a technician on another unit on same site.
What is construction of these condenser coils as more like a radiator than a conventional copper tubed condenser.
Are these tubes in 30xas' brass or aluminium?
Thanks for your replies Regards
AWW
serviceman
27-04-2010, 03:40 PM
the problem of these coils is that they are fully aluminum (microchannel) and fumes from the sewage plant will cause corrosion
goshen
27-04-2010, 03:54 PM
Hi just like a car radiator
serviceman
27-04-2010, 05:24 PM
so it is. is efficient but very sensitive to corrosion
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