TROUBLESHOOTING - WATER DISCHARGING INTO TUNDISH
START
IS
NO PRESSURE
DOWNSTREAM
OF TPRV
CORRECT
YES
IS
VALVE SEAL NO
AND SEAT CLEAN
&UNDAMAGED?
YES
IS
NO HEATER YES OPERATING AT 
LESS THAN
60oC?
RESET
TEMPERATURE
CLEAN OR |
|
| |
REPLACE |
|
| |
AS |
|
| |
REQUIRED |
|
| |
IS | NO |
| |
EXPANSION | RECOMMISSION | ||
| |||
VESSEL CHARGE |
| EXPANSION | |
CORRECT? |
| LEVEL | |
YES |
|
| |
|
| YES | |
REPLACE |
| IS ERV/TPRV | |
ERV/TPRV |
| DISCHARGING | |
|
| NO | |
|
| END | |
| PRV |
| |
19 |
|
|
