28 MCS100FT · Operating Instructions · 8011893 V2-1 · © SICK AG
Start-up
Subject to change without notice
4.1 Persons authorized to carry out the start-up
4.2 Before switching on...
Check: Is the MCS100FT dry and clean inside?
Check: Is the drying agent cartridge of the interferometer dry (
p. 90, §7.2.3)?
For MCS100FT with FID-100FT:
– Check with a leak detector: Are the external hydrogen supply and the hydrogen con-
nection on the system cabinet gas-tight.
– Is the system cabinet ventilation ensured (exhaust air openings in system cabinet
cover open).
–If an H
2
sensor is fitted: Check the H
2
sensor functions correctly.
Switch on all fuses (
p. 94, §8.1).
After a longer period of standstill (several weeks), also check:
Instrument air supply and fuel gas supply (for FID-100FT) available and clean?
Test gases: Use-by date.
Gas pressures.
Sample gas outlet free from any blockages?
Sampling probe ready for operation?
For MCS100FT with FID-100FT: Leak tightness of the H
2
supply.
The MCS100FT may only be put into operation by skilled persons who, based
on their device-specific training and knowledge of the device as well as knowl-
edge of the relevant regulations, can assess the tasks given and recognize the
dangers involved.
WARNING: Risk of explosions on MCS100FT with FID-100FT
Before switching the mains voltage on, check: The H
2
concentration in the
system cabinet must be < 25% LEL.
Moist or contaminated instrument air causes damage in the interferometer.
Always follow the instrument air specification (
p. 101).
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