Step Five
Step Four
WIRING
All Models:
Wiring to a Flowline Controller
LC10/LC11 Series
Compact Relay
Controller
LC40 Series Remote
Relay Controller
Typical Wiring
MAINTENANCE
IN
V
E
R
IN
V
E
R
TT
+
/-
+
/-
L
A
L
A
T
C
H
T
C
H
DELA
DELAY
Y
AC
AC
AC
AC
GND
GND
NC
NC
C
C
NO
NO
R
R
P
P
In
pu
t 1
A
In
pu
t 1
A
(+)
(+)
(-)
(-)
115 VAC
220 VAC
In
pu
t 1
B
In
pu
t 1
B
(+)
(+)
(-)
(-)
STANDARD
CONTROLLER
R E L A Y 1
R E L A Y 2
P O W E R
I N P U T 1
I N P U T 2 A
I N P U T 2 B
- +
- +
I N V E R T
D E L A Y
I N V E R T
D E L A Y
LATCH
ON OFF
N.O.
N.C
.
Power
Supply
Alarm
Red
Red
General:
The Switch-Tek vertical float has no scheduled maintenance require-
ment, except to clean off any deposits or scaling from the switch as
necessary. The switch may need to be cleaned periodically too pre-
vent jamming or sticking. It is the responsibility of the user to deter-
mine the appropriate maintenance schedule, based on the specific
characteristics of the application liquid.
Cleaning procedure:
1. Power: Make sure that all power to the switch, controller and/or
power supply is completely disconnected.
2. Switch removal: If necessary, make sure that the tank is drained
well below the switch prior to removal. Carefully, remove the sen-
sor from the installation.
3. Cleaning the switch: Using a soft bristle brush and mild deter-
gent, carefully wash the switch. Do not use harsh abrasives such
as steel wool or sandpaper, which might damage the surface of the
sensor. Do not use incompatible solvents which may damage the
sensors 316 stainless steel body. Take particular care to remove
any scaling from the float body and make sure that it moves freely.
4. Sensor installation: Follow the appropriate steps of installation
as outlined in the Installation section of this manual.
Testing the installation:
1. Power: Turn on power to the controller and/or power supply.
2. Immersing the switch: Immerse the float in its application liq-
uid, by filling the tank up to the point of actuation. An alternate
method of immersing the switch during preliminary testing is to
hold a cup filled with application liquid up to the switch’s tip.
3. Test: With the switch being fluctuated between wet and dry
states, the switch indicator light in the controller should turn on
and off. If the controller doesn’t have an input indicator, use a
voltmeter or ammeter to ensure that the switch produces the cor-
rect signal.
4. Point of actuation: Observe the point at which the rising or
falling fluid level causes the switch to change state, and adjust the
installation of the switch if necessary.