Redring DC3810 - Manual (Page 20)

19
TROUBLESHOOTING - WATER DISCHARGING INTO TUNDISH
START
IS
HEATER
OPERATING AT
LESS THAN
60 o C?
IS
EXPANSION
VESSEL CHARGE
CORRECT?
IS ERV/TPRV
DISCHARGING
REPLACE
ERV/TPRV
RESET
TEMPERATURE
END
CLEAN OR
REPLACE
AS
REQUIRED
RECOMMISSION
EXPANSION
LEVEL
RE-CALIBRATE
PRV
IS
VALVE SEAL
AND SEAT CLEAN
& UNDAMAGED?
IS
PRESSURE
DOWNSTREAM
OF TPRV
CORRECT
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
New Stainless imp_alt 2/15/05 12:15 PM Page 20