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).
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 so that it touches the bottom of the sump pit or pan.
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 73