Sensor Installation
6
8.
Pass the end of the sensor cable through the nut, bushing, and cord grip fitting and into the
Junction box (J-box). Pull the excess cable through the fitting and out the opened side of the J-box.
9.
After sliding the J-box cord grip fitting up to the J-box, apply the UL-classified sealant (suitable
for use with the fuel involved) to the fitting then screw it into the J-box. Tighten the J-box cord
grip fitting nut to ensure a watertight seal at the sensor cable entry.
10. Using the wiring nuts, connect the wires from the sensor cable to the field wires from the console.
Be sure to observe proper polarity between sensor and console [Figure 3].
Figure 3.
Groundwater Sensor Field Wiring Diagram
11. Seal wire nuts with epoxy sealant following instructions in Figure 4 on page 7.
CAUTION: Epoxy sealant is irritating to eyes, respiratory system, and skin. Can cause allergic
skin reaction. Contains: epoxy resin and Cycloaliphatic epoxycarboxylate. Precautions: Wear
suitable protective clothing, gloves, eye, and face protection. Use only in well ventilated areas.
Wash thoroughly before eating, drinking, or smoking.
12. For additional security, a padlock may be installed on the sensor cap to ensure that the locking
handle cannot be opened by unauthorized personnel.
F
G
W
Red
Black
White
To
Groundwater
Sensor
Interface
Module
From
Sensor
sensors\gwswir.eps
Epoxy sealed connections in a
weatherproof junction box
1/2'' rigid
conduit
Seal-off
