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21.4.
Cleaning the surface of SWG100BIO-Ex.
Explosion hazard
For cleaning the cabinet uses a wet and antistatic cloth to prevent
electrostatic charge.
The SWG100BIO-Ex is designed for explosive atmosphere class 2. If the cabinet and the
window must be cleaned, it is necessary to use a wet and antistatic cloth to prevent an
electrostatic charge of the cabinet.
Use an antistatic cloth to clean the surface.
21.5.
Maintenance of the switch-off relay (K2) and the solenoid valve for CH4
supervision
The relay (K2) and the solenoid valve, which feeds the cabinet air in the NDIR-bench, are safety
parts. The two components can be checked in the Self-Test menu. The menu can be found on
the path: Extras / Adjustment menu / Hardware state & tests.
Check the following points:
S. valve CH4 case from OFF to ON. The solenoid CH4 valve will make a noise.
•
Safety switch-off from ON to OFF. The analyser will power down.
•
MRU GmbH, D-74172 Neckarsulm
SWG100BIO Ex. User Manual
DANGER
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