ARI Armaturen CONA B PN630 EN - Manual (Page 13)

Rev. 0040803000 4610 Page 13
Operating and installation instructions
CONA
®
B - Bimetallic steam trap
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
Flange covers not removed Remove flange covers
Little flow Strainer clogged (pos. 2) Clean / replace 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
No closure, or internal
leakage Controller clogged Clean strainer and controller;
refer to item 7.1
Controller worn out Replace controller; refer to item 7.1
Controller misadjusted/incorrectly set Change setting; refer to item 5.3
Controller incorrectly screwed into body Check seal face between body and con-
troller, 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 a different con-
troller
External leakage Screw cap (pos. 6) or cover with hex. nut
(pos. 28) not properly tightened Tighten; refer to item 7.3
Seal (pos. 26) defective Replace sealing; refer to item 7.3