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george106
22-05-2010, 02:26 PM
Hi all
Does Anyone know how to disable the modulation valve from sr2 units?
Thanks
radekklimat
22-05-2010, 04:05 PM
Remove the plug from the valve.
It's the easiest way and what you want to disable it?
http://www.google.pl/images/cleardot.gifZaproponuj lepsze tłumaczenie
george106
22-05-2010, 04:14 PM
I think that if i remove the plug the valve will stay close.
I wont to disable it from the menu of the micro like the previous SL-400 non sr2 units.
gravy258
24-05-2010, 09:27 AM
why do you want to disable the etv?
Wait till the ETV is at 800 full open, then pull the fuse out.
You'll have to then fit a throttling valve to the compressor, which is a simple swap.
tspgr
24-05-2010, 12:48 PM
why do you want to remove ETV dont forget that ETV is the reason you get this kind of power pull down at temps over 0 C .....
MRW
01-06-2010, 03:44 AM
you cant ,the software would see no valve and throw up fault code,the valve is there for a reason,if you do not want ETV then you need units made without it from factory
DaButcher
02-06-2010, 01:57 AM
Modulation is only operational in continuous mode.

http://i543.photobucket.com/albums/gg445/DaButcherMudMafia/reefer/Clipboard0111.jpg
OptiSet.... FreshSet™, modulation can be turned off or on for different produce ranges. :cool:


FreshSet™ is an additional set of configurable parameters within the OptiSet program tailored for Fresh Produce. It is applicable for ETV based units using the Continuous Run mode.
george106
08-06-2010, 07:03 PM
This is the right answer.
DaButcher thank you.
Reeferjon
09-06-2010, 11:53 AM
You will need to go to svs test and select EVAC, this will open your ETV up.
Disconnect the harness.
In guarded access select ETV-no.

I presume this is a 'get you home' temp fix

Vheers John.
The Fox
09-06-2010, 01:16 PM
if the valve is set fully open, what happens in heat or defrost ??.
gravy258
18-06-2010, 08:20 AM
it'll slug the compressor and overload the engine
Thats why you'd fit a throttling valve.
Vacoel76
25-06-2010, 07:30 PM
it'll slug the compressor and overload the engine
Thats why you'd fit a throttling valve.

ou are right, liquid ***** will also enter into the compressor and can damage the compressor ..

Sorry for my bad english
abbsnowman
26-06-2010, 06:09 AM
How is "liquid slugging" related to the ETV? Not sure I have seen that? That valve controlls pressure not gas state. Am I wrong?