Emerson 2468CD Manuel D’Utilisation
Hydrastep Pressure Parts
Fault Repair and Commissioning
24675030
3-1
3
Fault Repair and Commissioning
Contents
Page No.
3.1 BACKGROUND
3-3
3.1.1 SAFETY
PRECAUTIONS
..........................................................................
3-3
3.1.2
WATER COLUMN ISOLATION ................................................................. 3-4
3.1.3
ELECTRODE AND ELECTRODE SEAL LEAKS ...................................... 3-4
3.1.3.1 LOW
PRESSURE ELECTRODES .......................................................... 3-4
3.1.3.2 HIGH
PRESSURE ELECTRODES ......................................................... 3-5
3.1.3.3 TIGHTENING
PROCEDURE
FOR HIGH PRESSURE ELECTRODE
INSTALLATION ....................................................................................... 3-5
3.1.4
PROCEDURE FOR CHANGING THE LOW PRESSURE ELECTRODES
AND GASKETS ......................................................................................... 3-5
AND GASKETS ......................................................................................... 3-5
3.1.5
PROCEDURE FOR CHANGING HIGH PRESSURE ELECTRODES ....... 3-6
3.2
WATER COLUMN COMMISSIONING OR RECOMMISSIONING
3-6
3.2.1
VENT AND DRAIN VALVE REPAIRS ....................................................... 3-6
3.2.2
WATER COLUMN TRANSIENT RESPONSE ........................................... 3-7
3.2.3
WATER COLUMN OR PIPEWORK BLOCKAGE...................................... 3-7
3.2.4
WATER COLUMN LIFE ............................................................................ 3-7
Note:
THERE IS NO NEED TO BLOW WATER COLUMN DOWN WHEN COMMISSIONING.
THE SYSTEM CONTINUOUSLY FLUSHES THE WATER COLUMN.
THE SYSTEM CONTINUOUSLY FLUSHES THE WATER COLUMN.