thuba PS 830, Manual, Page: 29 / 72

Manual BVS 19 ATEX E 080 X 25
Edition March 2020 thuba Ltd., CH-4002 Basel
Copyright Switzerland
4 Mounting and Connecting
4.1 Mounting, Dimensions
4.1.1 Control device PS 830
The control device PS 830 is suitable for mount-
ing in hazardous area zone 2. The installer can
place it in or outside of the Ex pzc-housing.
The installer can mount the control device using
the 4 mounting holes in the housing rear, but the
fixing on the air in- or outlet is sufficient.
While mounting, observe local safety guide-
lines and the regulative IEC 60079-14.
The reference output (M5 screw on the left
side of the control unit) must have contact
the ambient pressure
If the control unit is built into the Ex pz-housing
the reference output must to connected to the
ambient with a pipe or tube.
Additional see general requirement to pres-
surized enclosure system in section 2 in this
manual.
Figure 2: Solenoid valve SVD.L.x-Axx
drilling diameter
adjustable choke for
leakage compensation
3 m cable length