Operation
Ex p Control unit
APEX
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01-37A2-7D0001_px_Manual_Exp-Control-Unit_20210923_0_en.docx
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Characteristic
DANGER
INCORRECT PARAMETERIZATION OF THE SYSTEM COMPONENTS IN THE EX P
CONTROL UNIT.
The purge process takes place with too low purge gas flow and there is a risk of
residual explosive gases within the Ex p equipment.
Check type and set characteristic
For automatic purge time
determination, the characteristics of
the pressure switch in the system
must be set in the Ex p control unit.
Selection table
Parameter
Measuring orifice
BARTEC outlet type
Characteristic 1
5 mm
17-51P3-1203
Characteristic 2
8 mm
17-51P3-1303
Characteristic 3
12 mm
17-51P3-1403
Characteristic 4
15 mm
17-51P3-1503
Characteristic 5
18 mm
17-51P3-1603
Characteristic 6
2x 18 mm
2x 17-51P3-1603
Characteristic 7
Not used
Not used
Characteristic 8
Not used
Not used
Characteristic 9
Not used
Not used
Characteristic 10
Not used
Not used
