Type: Posts; User: lightbearer1925
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gonna update you all soon. just need to wait for the guyz to finished calibrating all the necessary instruments.
many thanks for reply :)
actually there are 5 AHU's working in parallel.
the quantity of the AHU on shall be base on the following adjustable schedule
system supply airflow
less than or equal to 10,000 l/s = 1 ahu...
air balancing is done as per consultant all is working fine.
thank for reply :)
damper position functional testing for mechanical and control has been done for all ahu's.
thanks for reply. :)
in PXC controller gain is use instead of proportional. it is only reverse with proportional.
proportional or p = 1 meaning if you have 1 error from setpoint than your control will...
we are currently in commissioning stage. so still functionality test is on going, i am pretty sure no one override the damper command.
Siemen PXC controller.
tn= 10 minute
im trying to play with rise time of the control as well. i dont know if does make sense.
I experience a problem controlling space pressure in the building.
As per the sequence of operation space pressurization shall be controlled by maintaining a differential airflow...
gonna try this syntax on Saturday.
many thanks for the reply. :)
this syntax is working in my other project, it is strange that it give my error in the above Controller. :(
many thanks for reply. :)
device 18100 (Magnum 18100)
Last updated:Wed Aug 10 08
i was new in this site also, seems to be a lot of good stuff to read.
i was working in KSA as commissioning eng'r ( start up, functional testing and programming of DDC controls).
thanks for warm welcome. anyway KSA = kingdom of saudi arabia.
im Jojit new in this site. currently working in KSA as commissioning eng'r. :)