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Ex p Control unit
SILAS
pz
Pneumatic Connections
Pneumatic connections SILAS, type A7-37S2-2111/*520
Typical installations
Rev. 0
Installation inside Ex p equipment
When installing the controller inside the pressurized equipment,
the atmospheric connection must be routed to the outside.
Please use the assembly kit for the atmospheric connection here.
Connection
Description
p1
Internal pressure
A
Atmosphere
DANGER
INCORRECT ARRANGEMENT OF THE SYSTEM COMPONENTS ON THE EX P
OPERATING EQUIPMENT
The installation specifications from IEC / EN 60079-2 must be observed.
Light or heavy explosive gases must be observed.
Check arrangement
A1-37S2-7D0001_pz_Manual_Exp-Control-Unit_20210923_0_en.docx
Installation
The adaption pressure measurement card comes
with two quick hose connections as standard.
Hose outer diameter 4mm.
Page 29 of 88
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