61F-GP-N8-V50 AC110 Omron, 61F-GP-N8-V50 AC110 Datasheet - Page 66

• Manufacturer Part Number: 61F-GP-N8-V50 AC110
• Description: LEVEL CONTROLLER
• Manufacturer: Omron
• Series: 61Fr
• Type: Level Control - Variable Sensitivityr

Specifications of 61F-GP-N8-V50 AC110

• Applications: Supply and Drain Control
• Mounting Type: Socket Mount (8 pos)
• Voltage - Supply: 110VAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 61F-GP-N8-V50AC110; 61FGPN8V50AC110

61F
Be sure to disconnect the 61F before conducting a insulation test on
the Electrode circuit for inspection purposes.
When cutting an Electrode, be sure to chamfer cut surfaces of the
electrode.
Maintain a Clearance Between Electrodes
Maintain sufficient clearance (normally 1 m) between Electrodes in
sea water or contaminated water. Use the 61F-jD (or -jND) low-
sensitivity models if this clearance is difficult to maintain.
Long Ground Electrode
The Electrodes are mounted in sets of three. Connect the shortest
Electrode to E
trode to E
er than the other Electrodes.
Consider the Operating Level
Due to the liquid type and fluctuations in the power supply voltage,
the operating level may fluctuate to a small degree from the level at
which the liquid surface makes contact with the Electrode tip.
Use Separators
If the Electrode length reaches 1 m min., insert Separators at the
joint positions to prevent the Electrodes touching each other in the
liquid.
Take Care When Taping the Electrodes
When applying vinyl tape to the Electrodes to prevent them touching
each other in the liquid, leave at least 100 mm at the end of the rod
untaped. Do not tape to the very tip.
Mount Electrodes Vertically
Install the Electrodes vertically to avoid the accumulation of slime
which can form an insulating layer on the Electrode surface.
Cautions on Electrodes
3
. The longest Electrode, E
1
, the medium Electrode to E
100 mm
E
3
1 m
E
E
2
1
Separator
Electrode Holder
50 mm min.
3
, must be at least 50 mm long-
1 m
Tape
2
and the longest Elec-
Keep Electrodes Clean
Lift the Electrodes and remove the surface film with fine sandpaper
about 6 months after installation. Subsequently, repeat this cleaning
once or twice per year.
Cleaning is particularly important for Electrodes used in a liquid con-
taining large amounts of dirt or slime, which can build up into an in-
sulating film on the Electrode surface and cause malfunctions.
Clean the surface insulating film from Electrodes used in this envi-
ronment once every three months. Use a pipe, as shown in the dia-
gram below in situations where the water contains large amounts of
dirt.
Use a pipe as shown to keep dirt and oil films from the Electrode in
situations where the liquid is highly contaminated with dirt and oil,
such as sewage holding tanks.
Use a pipe at least 4 inches in diameter.
Cut off the end of the pipe at an angle to clear the estimated amount
of contaminants accumulating at the bottom of the tank.
Drill an approximately 10-dia. vent hole at the top of the pipe.
Using an Anti-ripple Pipe:
Use an anti-ripple pipe as shown below in cases where large ripples
are produced by a rapid fluid flow rate.
Use a pipe at least 4 inches in diameter.
To improve liquid circulation inside the pipe, drill at least four 6 to
10-dia. holes as opposing pairs at the tip position of each Electrode.
Drill an approximately 10-dia. vent hole at the top of the pipe.
Follow the information above with regard to using Electrodes.
Do not mount horizontally or a malfunction may occur.
BS and BF Electrode Holders
When installing the Electrodes, first tighten the connection nut with
a wrench before tightening the Electrodes and lock nut. Tightening
the terminals or other parts can lead to damage of the insulating
parts due to tightening torque.
When mounting a BS-1 Electrode Holder to a boiler, wrap Teflon
tape 2 or 3 times around the mounting position and use the gasket
supplied.
Always apply the F03-11 Protective Cover if the BF-3 (-4 or -5) is
used outside or in a position subject to water splashes or where dust
or dirt can settle. Foreign matter on the Electrode insulation can
cause electrical leakage and malfunctions.
Cautions on Electrode Holders
4-dia. min. pipe
Bottom of tank
PS-jS
PS-jS
Thickness of contaminants
collected between cleanings
Drill at least four 6 to 10-dia. holes
as opposing pairs at the tip position
of each Electrode.
Approx. 10-dia. air vent hole
4 dia. min. pipe
Approx. 10-dia. air vent hole
61F