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NOTES
The drain wire of shielded cable must NOT be used as one of the conductors.
Installation and wiring must be in accordance with the National Electrical Code. Temperature
rating of cable wire must be at least 75
o
C. If cable runs through higher temperature
environments, it must be specified for that environment.
3.3 ENCLOSURE INSTALLATION
To protect the transmitter and sensor assembly they should be removed from the enclosure and preserved
until final installation and wiring termination.
Prior to installation and wiring.
1. Remove the transmitter from the module housing by:
• Unscrew the two captive panel screws in the face plate.
• Lift the transmitter out of the housing.
• Unplug the sensor cable from transmitter connector P2.
• Remove the sensor assembly from the enclosure hub.
2. Install the module housing onto the end of the supply conduit and/or bolt into position as required.
NOTES
When housing earth grounding is required for the installation a grounding lug is located in the
base of the enclosure. Install the earth ground wire under the green lug.
When installing the enclosure be sure to mount the FM Approved plate near the sensor
enclosure. This plate states “Caution: this area must be known to be free of flammable
concentrations prior to opening the enclosure.”
3.4 TRANSMITTER AND SENSOR INSTALLATION
When all pre-wire is complete:
1. Install sensor assembly in the open hub on the module enclosure. The sensor assembly thread
must be fully seated into the hub and tightened to maintain explosion proof assembly.
2. Connect the wires which return to the controller to interface board connectors P1, P2, P3 and P4
according to Figure 3-2.
3. Connect the sensor assembly cable to top transmitter board connector P2.
4. Align the headers between the top transmitter board and the lower interface board and push
together.
5. Turn rotary switch to correct sensor address.
NOTE
The interface board should be wired to remote controllers first before installing the front
transmitter board.