Thermo Scientific AquaPro Analyzer User Guide
19
2.5.2
Wire Termination
Power Supply Wiring:
1.
WARNING:
Before wiring any high voltage/current cables, make sure that the power is off at the source and
that the cables are not live.
2.
Pass the power and relay cable through the conduit. Use conduit holes on the right side of the unit (when
facing the unit as shown).
3.
The power and relay terminal blocks are pluggable and should be removed to insert wires.
4.
Connect the power line and neutral onto the AC power block.
5.
Connect the power ground to the Earth Ground Terminal.
Sensor and Current Output Wiring:
Sensor Wiring
:
1.
Verify that the sensor type and the measurement at the top of the card label are correct.
2.
Press down the wire chart, attached to the right of the terminal block, to read the wiring instructions.
3.
Locate the wiring label at the end of the sensor cable that matches wire color to wire function.
4.
Install the sensor cable wires by depressing the tabs on the side of the appropriate terminal block with a small
flat blade screwdriver. Insert the bare wire and remove the screw driver.
5.
Gently pull on the wire to be sure that it is secure in the terminal block.
AC Power Terminals
Line
Neutral
Relays A, B and C
Normally Open
Common
Normally Closed
Earth Ground Terminals (6)
