ARI Armaturen CONA S PN40 EN - Manual (Page 13)

Rev. 0040805002 1404 Page 13
Operating and installation instructions
CONA
®
S - Ball float steam traps
9.0 Troubleshooting table
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
Condensate cannot get to steam trap
due to bad pipeline routing. Note installation position;
refer to item 7.4
Reduced flow Wrong installation position Correct 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
Ball float (Pos. 24.16) prevented from
swivelling, particularly in horizontal instal-
lation position Use pressure compensation line 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;
see 7.1