Findings: The relay always stay energize getting power from Digital Output I/O card. So sandfilter can’t maintain the backwash sequence. That’s why , we change the DDO module in FCP-1 panel. Now the SF is working normally.

Findings: The relay always stay energize getting power from Digital Output I/O card. So sandfilter can’t maintain the backwash sequence. That’s why , we change the DDO module in FCP-1 panel. Now the SF is working normally.
IRP-1 OGR Booster pump (D,E,F) controlling Variable Frequency Drive internal circuit & components cleaning…..
COMPONENTS REQUIRED FOR CCTV DUAL SOURCE MODIFICATION SL NO. PRODUCT NAME PRODUCT MODEL QUANTITY 01 MAGNETIC CONTACT(GMR-4M Mini-Magnetic Contactors Relays (AC Coil) LG…
Findings: ACB tripped coil ( Opening) didn’t work properly, we change the tripping coil.