MVR-300™ Refrigerant Gas Detector
30
P/N: 6203-9000 Version 1
5.4
Replacing the Sensor Module
CAUTION
This product uses semiconductors which can be damaged by electrostatic discharge
(ESD). When handling the PCB, care must be taken so that the electronics is not
damaged.
Step
Description
1.
Power-down detector.
2.
Remove bezel and cover plate.
3.
Pull out sensor module. It is recommended to use extractor tool part number 1100-2022.
4.
Plug new sensor module into sensor control PCB. Ensure that the three notches of the sensor
module align with the 3 ribs of the detector base. Use the small triangles printed on the sensor
module as a guide.
5.
Put cover plate back on and tighten set screw.
6.
Put bezel back on and power-up detector.
7.
Wait until the start-up sequence is finished.
8.
Check sensor response.
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