OPW M2010-EU, Installation Manual

Page: 70 / 149

l
Measure the length of the circular space in the monitoring pipe from top to bottom and subtract 1.3 cm
(0.5 in.) for a total measurement to be used for the sensor installation.
l
Measure the calculated length from the sensor tip along the sensor cable and identify it with tape or a
marker.
l
Put the sensor and wire through the monitoring opening until the mark is level with the top of the
opening.
IMPORTANT:
To prevent false alarms, the sensor must not touch the bottom of the
monitoring tube
l
Connect the sensor wires to the field wires in the junction box. Use the supplied cable gland and
silicon wire nuts.
l
Seal the electrical connections with the epoxy seal packs (refer to
M00-390008 Waterproof Electrical
Connections
for instructions).
l
Install explosion-resistant sealing fittings at both ends of the conduit. Refer to the
Probe-Cable Seal-
offs
section of the console's Installation Guide for instructions.
Connections
Sensor Wire Color 12V Smart Sensor Interface Channel
Red Power
Black (hydrocarbon sensor) Signal
Shield (or 3rd conductor) Ground
Doc. No.: M2010-EU Rev.: 13
Page 70 of 149