ARI Armaturen CONA S PN40 EN - Manual (Page 10)

Page 2-10 Rev. 0040805005 3614
Operating and installation instructions
CONA
®
S - Ball float steam traps
8.0 Troubleshooting
In the event of malfunction or faulty operating performance check that the installation and
adjustment work has been carried out and completed in accordance with these Operating
Instructions.
If malfunctions cannot be eliminate with the help of the following table
“9.0 troubleshooting table”, the supplier or manufacturer should be consulted.
9.0 Troubleshooting table
-
ATTENTION !
It is essential that the safety regulations are observed when identifying faults.
ATTENTION !
- refer to item 10.0 and 11.0 prior to dismantling and repair work!
- refer to item 6.0 before restarting the plant !
Fault Possible cause Corrective measures
No flow Installed in wrong flow direction. Fit valve in direction of flow arrow.
Note installation position;
refer to item 5.4!
Flange covers not removed Remove flange covers
Ball float (Pos. 24.16) defective Check lifting force; refer to item 7.1
Little flow Piping system clogged Check piping system
Wrong controller size choosen Correct selection acc. to flow diagram
Changed upstream pressure or back
pressure conditions Correct selection acc. to flow diagram
No closure, or internal
leakage Controller clogged Clean controller; refer to item 7.1
Controller or diaphragm capsule clogged Clean controller and/or diaphragm
capsule; refer to item 7.1
Controller worn out Change controller; refer to item 7.1
Controller or diaphragm capsule worn
out Change controller and/or diaphragm
capsule; refer to item 7.1
Controller incorrectly screwed into body Check seal face between body and
controller, tighten controller correctly;
refer to item 7.3
Controller operated above safe operating
pressure Observe operating limits as per data
sheet, i.e. possibly select different
controller
External leakage Cover (Pos. 40) not properly tightened
with hex. nut (Pos. 28) Tighten; refer to item 7.3
Flat gasket (Pos. 17) defective. Replace sealing;
refer to item 7.1