Type: Posts; User: cooljoesa
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Im looking for help how to do trending on Fx controlers
I build a unit for checking superheat subcooling etc
I need to trend two points and unable to do this
Any help please
Thanks for the positive response
There are 2 separate circuits each with own tev 70 ton ove
Comp starts unloaded with 3 cylinders loaded +- 37Hp then 1 cylinder wil load directly after start up...
I have a Trane ecgaa 215 air cooled chiller, 2 x 100Hp 8 cylinder recips
(+- 16 Yrs old)
Not sure what size Tev this chiller should have, they are fitted with sporlan ove 70 rated at 70 ton...
Im having a problem to acces the time sceduler for changing on the local display it gives code 67
Anyone have this before
Time scedule works fine just unable to change from local display...
On a system corectly charged with R410a, what would be accepted as normal
1 The superheat
2 The subcooling
3 Dicharge temp
4 Suction presure
5 Discharge presure
Youre the man;)
I am using FX Builder ver 4.1.2 and I want to use a Fx 06 controller with 2 Temp sensors A99 and two Presure Transmitters -1 to 8 Bar and 0 to 30 Bar
I want to use for checking superheats...
Condensor Aproach temp is the diff between the saturated cond refr temp and the cond outlet water and will indicate the heat exchange between the refr and condensor water
I have not...
You wil have to get the head presure up to around 250Psi otherwise you wil keep runing into low suction presure
Try introducing some form of head presure control Eg Hp switch,speed drive...
Is the head presure ok
around 250 psi
Prorefco thanks for reminding me that was my plan to have all instr conected at startup, just wish i can lay me hands on one of those digdital analyzers looks like a good instrument...
:cool: No prob, i will be doing during next week as soon as gaskets on evap cover is fitted and leak free
Will post results
Thanx again to all
Thanx to all who contributed to this thread espacialy prorefco
I am in South africa and recently had a Trane ECGVF 426 Chiller with 4 - 6 cylinder recips, the refrigerant circuits started to leak...
Yea good advice (especialy from a profesional member)
Im wondering if anyone has ever atempted to or succsesfully recharged a TEV bulb that has lost its gas charge due to capillary beieng broken etc
If so what will the corect procedure be,...
Anyone know were i can get fx builder express software:confused:
Thanx in advance
Sorry dude wrong info
Here is some info
Customer ID is used to distinguish between the:
• generic user (MAKE PUBLIC ID)
• Demo ID
• Customer/Private Specific ID
I presume it is a Johnsons Fx 07 controler
Use Fx Builder to program
In the objects toolbar, click on the obsolete menu and select the real time clock function block and configure to work...
:cool: Link to some HVAC tools might be usefull
Pse add links to tools/utils
:cool:Hope this will help From JCI
The optimal Start/Stop object calculate the
minimum time to bring a controlled zone
temperature to a desired condition at occupancy
with a heating or...
Any compressor rebuilders that use CMP parts
Just wonderin how you rate the qaulity of the parts against OEM parts
Use them on York Trane Etc
Much cheaper than OEM parts
Can anyone tell me what the latest version of FX Tools software is
for programing FX range of controlers
And what version is the simulator for the FX Builder
We use Ver 4.1.2 FX...