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Detcon FP-524D INSTRUCTION MANUAL User Manual

Page 8

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Model FP-524D

FP-524D Instruction Manual

Rev. 1.4

Page 4 of 39

Replacable Sensor

Main Housing

Threaded Insert

O-ring

Figure 7 LEL Sensor Housing with replaceable Sensor

NOTE: The Field Replaceable Combustible Gas Sensor housing is constructed from 316 Stainless Steel in
order to maximize corrosion resistance in harsh environments.

Base Connector PCB

The base connector board is mounted in the Junction Box. The connector board includes lug-less terminal
connections for incoming power and MA output, and connections for the Combustible Gas Replaceable
Sensor.

Customer

Wiring

Wiring to

LEL Sensor

Figure 8 Base Connector Board