Preparation for Installation 27
Standard version: Version for measuring gases under
positive pressure:
1 Sample gas inlet
1)
Vent
1)
2 Sample gas outlet
1)
Sample gas outlet
1)
3 Purge gas inlet
2)
Purge gas inlet
2)
4 Purge gas outlet
2)
Sample gas inlet
1)
5 Connection of the pressure
sensor
3)
Connection of the pressure sensor
3, 4)
or purge gas outlet
2)
6 Socket-head hex screw for securing the case cover
7 Case cover
8 Screwed cable glands M20: 2 x metal, 3 x plastic
9 Screwed cable glands M16: 2 x metal, 1 x plastic
10 Terminal housing with terminal strip (see page 38)
11 Connection for equipotential bonding
1) If a Magnos206 or Caldos27 or Caldos25 analyzer has been
installed in the control unit
2) Option
3) Option. The pressure sensor (see page 24) connection must not be
connected to the sample gas feed path when measuring flammable
gases.
4) Not in the version with housing purge
Design of the gas connections: internal flame barriers made from rust-
and acid-proof steel 1.4571 with 1/8 NPT female thread
NOTE
Bear in mind the extra space required for the connection leads under and
immediately to the left and right of the control unit (approx. 10 cm in each
case).
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