ARI Armaturen CONA S PN160 EN - Manual (Page 15)

Rev. 0040805000 4608 Page 15
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 eliminated 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
5.5.1!
Flange covers not removed Remove flange covers
Ball float (Pos. 24.16) defective Check lifting force; refer to item 7.1
Little flow Wrong installation position Note installation position;
refer to item 5.5.1
Correct installation position;
refer to item 7.2
Strainer clogged (Pos. 2) Clean strainer; refer to item 7.1
Piping system clogged Check piping system
Wrong controller size choosen Correct selection acc. to flow diagram
Changed upstream pressure or back
pressure operating conditions Correct selection acc. to flow diagram
Excessive amount of inert gases in sys-
tem Use pressure compensation line and
external vent option; refer to item 7.4
No closure or internal
leakage Controller clogged Clean strainer and controller;
refer to item 7.1
Controller worn out Change controller; refer to item 7.1
Controller incorrectly screwed into body Check seal face between body and con-
troller, tighten controller correctly; refer
to item 7.5
Controller operated above safe operating
pressure Observe operating limits as per data
sheet, i.e. possibly select different con-
troller
External leakage Hood (Pos. 16) not properly tightened
with hex. nut (Pos. 28) or cheese-head
screw (Pos. 27) Tighten; refer to item 7.5
Flat gasket (Pos. 17) defective Replace sealing;
refer to item 7.1