Make sure that the cables (gas and oil resistant OPW Fuel Management
Systems part # 12-1030) from the field wiring to the controller are in conduit
that is dedicated to intrinsically safe wiring.
Use wire-nuts and epoxy-resin seal-packs for field connections (refer to M00-
390008 Waterproof Electrical Connections for information).
NOTE: If this sensor is used to monitor a normally dry well, use a meter to set the float position
so the sensor is in a closed position when there is NO liquid level (the float will be in the lower
position). To monitor a normally wet well, use a meter to set the float so that the sensor is in a
closed condition WITH a liquid level (the float will be in the upper position).
l This sensor uses ONE Controller Interface I.S. Module position
l Start with the Connections table and “Typical Installation" drawing below.
l Make sure the sump pit or pan is dry.
l Install the sensor approximately 1/2” (1.3 cm) above the bottom of the sump/pan. Attach the sensor
wire to a pipe or bracket with a tie wrap.
l Connect the sensor cable to the sensor.
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
M2050-PLUS MagLink LX Plus Installation Manual | Dover Fueling Solutions 63
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