3.7 Mosquito net
The accessory Mosquito net can be fitted to the Gas Detector to prevent insects from blocking
the optics. The Mosquito net (A) is fitted on the outside of the detector nose and secured with
the screw (B). It is recommended to use the accessory Gas nozzle (C) for easier access when
performing Function tests with gas. The Mosquito net can also be used in combination with
the Environment Shield for a combined splash and insect protection.
4 Commissioning the Gas Detector
Below is the recommended procedure for commissioning the detector PG11:
1. Turn on power to the Gas Detector. The Detector will run self-diagnostics and warm up
as described in section “3.4.1 Booting up the Gas Detector”
2. Verify Status indicator light alarm levels, and change if necessary. The default settings
might be different from site alarm levels. Light indicator described in chapter 7.2 Light
indicator.
3. Perform the Gas Detector Safety Function test as described in “5.1 Function test”.
4. Verify that the Site Safety System is receiving the gas signal from the Gas Detector.
5. With all steps passed this concludes commissioning of the Gas Detector.
Document 022-80036-OM Revision R03 Page 21 of 48
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