Wiring
Hauser
13
4
Wiring
WARNING
!
Device is energized
Improper connection can cause injury or death.
►
The electrical connection must only be carried out by a certified electrician.
►
Technical personnel must have read and understood the instructions in this manual and must
adhere to them.
►
Prior to beginning
any wiring work, make sure voltage is not applied to any of the cables.
4.1
Connection to the transmitter
The electrical connection between the sensor and the transmitter uses the multi-core special measuring
cable COK21.
4.2
Post-connection check
a0005583-en
Fig. 7: Special measuring cable COK21
Instrument status and specifications
Remarks
Are the sensor, assembly, junction box or cable damaged?
Visual inspection
Electrical connection
Remarks
Are the installed cables strain-relieved and not twisted ?
Long enough length of cable core stripped and correct in terminal?
Check seating (pull slightly)
Are all the screws terminals properly tightened ?
Tighten
Are all the cable entries installed, tightened and sealed ?
For cable entries lateral: cable loops downwards
for water to be able to drip off.
Are all the cable entries installed downwards or lateral ?
PK
GN / YE
BN
YE
BU
S
12
90
91
11
Assignment
Terminal
External shield
Cathode
Anode
NTC temp. sensor
Active internal shield
(NTC temp. sensor)