Siemens MicroSAM, Operating Instructions Manual, Page: 64 / 138

Mounting
4.4 Mounting and connecting
MicroSAM
62
Operating Instructions, 06/2012, C79000-G5376-C560-07
4.4.8 Breathing device
The breathing device is used for pressure compensation during operation. Pressure
compensation is required due to temperature variations during operation
①
Breathing connector
Figure 4-3 Breathing device
Danger
DANGER
Danger of explosion through discharged gases
In the event of a fault, all gases supplied to the chromatograph (also samples and hydrogen
as carrier gas) can be discharged via the breathing connector or a connected line. In such a
case, there is a danger to personnel, equipment and the environment!

For this reason, take appropriate measures to prevent this.

Never connect the breathing connector to the exhaust gas system.
WARNING
Do not close off the breathing device
Ensure that the breathing device is not closed during operation, otherwise:
 Pressure compensation is no longer carried out.

Ex protection is no longer guaranteed.
 Housing protection IP65 is only guaranteed if the pipeline connected to
①
ends in a
room which contains neither splashing water nor dust.