Flowserve OR 52-5 - Manual (Page 18)

18
Wiring
Measuring Sensor ORG 12, ORG 22
Before installing the measuring sensor cut off power supply!
Connect light emitter and receiver via connector .
1. Wire light emitter with a screened two-core cable (do NOT connect screen),
e. g. LIYIC 2x0.75 mm², max. length 50 m).
2. Wire light receiver with screened four-core cable (do NOT connect screen),
e. g. LIYIC 4x0.5 mm², max. length 50 m).
Measuring Transducer ORT 6
1. Unscrew lid screws and open lid.
2. Remove all three-pole terminal strips and pull connecting cables through
cable glands.
3. Mark connecting cables: "Mains", "Alarm 1" and "Alarm 2".
4. Strip off approx. 40 mm of cable insulation coating and remove approx. 5 mm
of conductor end insulation.
5. Connect terminal strips in accordance with wiring diagram and connect
screens.
6. Connect PE with earthing screw in case.
7. Re-insert terminal strips.
8. Seal cable glands by tightening screws. Fit plug supplied with equipment to
seal unused cable glands.
9. Close lid and tighten lid screws.
10. Mount disconnecting device (disconnecting switch).
Q D P
Q
D
Attention
To protect the output contacts fuse circuits with 2.5 A (anti-surge).
Provide connected contactors and actuators with RC combinations
(in accordance with manufacturers' specifications) in order to suppress
interference.
Make sure that the disconnecting switch is easily accessible and in the
close proximity of the equipment (EN 61010-1).
Mark respective switch as disconnecting device for the measuring
transducer.