Siemens CALOMAT 6 - Behavior in case of faults; Maintenance; Checking

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E-10 Additional Equipment Manual EEx p
Order No.:
A5E 000 58873-02
3.3 Assembly diagram for the versions EEx p with "Continuous purging"
PE L
N
Power supply
connection
Inlet valve
EEx p purging gas monitoring device
L1
N
PE
Outlet of purging gas into Ex-free zone
Sample
gas inlet
Sample
gas outlet
Inlet of protective gas (purging gas) Input pressure: 0,2...0,4 MPa
CALOMAT 6F
OXYMAT 6F
ULTRAMAT 6F
Control electronics
Purging gas
pipelines:
max. 4 m long;
diameter > 8 mm
Gas connections:
C 6F and O 6F: 2 and 4 U 6F (SG): 1 and 2 U 6F (RG): 3 and 4 (see also associated manual)
5
6*)
7*)
8
Flame inhibitors
Key switch
Choke Q > 1 l/min
(only with occasionally combustible gas mixtures)
Choke Q > 50 l/min
1) Outlet choke; dynamic pressure > 1 hPa at Q > 1 l/min 2) Overpressure valve; opens in the pre-purging phase
2) 1)
*) see Section 3.1: "Connection of sample gas and protective gas (purging gas)"