Pentair POINT FOUR RIU3 Guía De Instalación Y Del Usuario página 23

7) Locate the flat machined from the thread. Lower the upper part into
the cap and turn the cap half a turn to engage the thread.
8) Tilt the probe 15° so that the flat is uppermost and screw the cap
onto the top part. Excess electrolyte and air should dribble out at
the flat.
It is important that the probe is filled completely!
When you are certain that the probe is filled completely tighten the cap hard.
Important: After renovation the probe can be regarded as new.
It should be hung up in air to stabilize for at least an hour before
calibration. It is advisable to re-calibrate after a day or two.
A new membrane can easily be fitted to the cap, as shown in the drawing. The membrane must be
flat, if it wrinkles remove it and try again with a new one. It is important that all parts are clean and
dry. A cap must not be re-used without replacing the membrane, as the membrane stretches to fit
the cathode, and will not fit perfectly a second time. Make sure you use the membrane and not the
coloured backing paper.
It is important that the correct membrane is used. Membranes are identified by the colour of
the backing paper found between the plastic membranes:
Commander probe:
Probe for Model 840 and 810:
Standard probe for mg/l (ppm) measurements:
Standard probe for % measurements:
For special cases where there is oil in the water
(only as agreed):
D10MC with grey backing paper.
D10M840 with grey backing paper.
D10MM with yellow backing paper
D10MSV with blue backing paper
D10MOIL with red backing paper
POINT FOUR™ RIU3™ Remote Monitor/Controller Installation and User's
23
Guide