This document is strictly private and confidential, reproduction without Micropack approval is prohibited. © Micropack Engineering Ltd, 2018
The FDS303 design has been developed to allow simple installation. The detector comprises two
key components, the detector enclosure and the detector internal assembly. The detector
assembly located in the front of the enclosure should not be removed except by trained
personnel. Unauthorised removal or disassembly of the detector assembly will invalidate the
warranty. Only the rear end cap can be removed for terminal access.
3.1 Detector Enclosure
The detector electronics are housed in an enclosure certified for use in hazardous areas. For the
exact certification and conditions of use see certification label on the device, or the example
drawing below:
The enclosure comprises the front window cover including the window Part Number
3303.8004, the rear enclosure cover Part Number 2301.6009, the enclosure body Part Number
2301.6007, certification rating label see above Part Number 3303.6006.01, and the mounting
bracket Part Number 2301.6012.