SPX MARLEY LLC, User Manual

Page: 9 / 48

9
operation
Stainless Steel Electrode Probe Assembly
The electrode probe tips are stainless steel suspended from a noncorrosive
PVC enclosure box with 30 feet of wire for each probe. A galvanized or stain-
less steel stilling chamber is installed over the probes to calm the water for
accurate readings.
Illustrations Describing Operation Sequence
The next three pages are simplified illustrations representing the sequence of
operation for each type of circuit card:
Page 10 – Makeup
Page 11 – High Alarm – High Cutoff
Page 12 – Low Alarm – Low Cutoff
Each relay circuit card has two green indicator lights.
The ON light indicates the card is powered and ready
to function. The ENERGIZED light indicates when
the probe system is functioning and should be used
when troubleshooting.