Level Limit Switch
nivotester FTC 422
Quick Installation Guide
•
Switch not suitable for use with
probes operating in explosion
hazardous areas.
•
Do not install if your power
supply does not tally with that
quoted on the rating plate.
•
First time users please consult
the "Installation and Operating
Instructions", BA 029, before
attempting to install.
Electronic Insert Wiring
Nivotester Wiring
➀
Select Failsafe mode
No bridge 12-13: Minimum
Bridge 12-13: Maximum
Adjustment
•
Fill tank, adjust upper limit:
➀
…
➄
•
Empty tank, adjust lower limit:
➅
…
➈
➄
Adjuster
1
: –> 0. Turn slowly clockwise,
when red LED lights turn no further.
➂
and
➆
Range
➁
,
➅
,
➈
Mode
I
Adjust upper limit
(tank full)
II
Normal operation
III
Adjust lower limit
(tank empty)
Hauser
+
Endress
➁
Connect Terminals
8, 9, 10, to electronic
insert EC 61 Z,
see below
➄
Green LED lights
when unit operates
➅
Red LED lights
when relay
de-energised
➂
Connect alarm, relay,
hooter etc. to
Terminals 4, 5, 6.
Ratings see BA 029
➃
Connect power to
Terminals 1, 2, 3.
Switch off first!
➆
Switch
3
: –> Range I,
Adjuster
2
: 0 –> 10
➁
Fill tank:
Switch
2
: –>
upper limit mode
➅
Empty tank:
Switch
2
: –>
lower limit mode
➈
Adjuster
2
:
Adjuster lower limit as
➄
.
Switch
2
: –> normal operation
3
2
1
➀
Check that green
LED is lit
➂
Switch
1
: –> Range I,
Adjuster
1
: 0 –> 10
➃➇
If red LED changes
status –>
➄
or
➈
,
otherwise –>
➂
or
➆
at next range setting
1, 3
1, 3
1, 3
2
2
2
Nivotester
FTC 422
10 9 8
➀
Wire Nivotester
to EC 61 Z insert
with screened
installation cable
➁
Ground probe
head to
Terminal 6
➂
If required short-circuit
Terminals 1 and 2
Shielding
Core
➃
If required,
connect 2nd probe
with coaxial cable
