Pneumatic Connection; Connection Of Devices For The Explosion-Risk Area; Safety Instructions - Ebro EP 501 B Guide Rapide

Type EP 501 B
Pneumaticconnection
9 PNEUMATIC CONNECTION
9.1 Connection of devices for the
explosion-risk area
When connecting devices in the explosion-protected area, observe
the "Additional information for use in the explosion-risk area"
enclosed with the Ex-devices.
9.2 Safety instructions
DANGER!
Risk of injury from high pressure in the system!
▶ Before loosening lines and valves, turn off the pressure and vent
the lines.
WARNING!
Risk of injury from improper installation!
▶ Installation may be carried out by authorized technicians only
and with the appropriate tools!
Risk of injury from unintentional activation of the system and
uncontrolled restart!
▶ Secure system against unintentional activation.
▶ Following installation, ensure a controlled restart.
Fig. 9: Pneumatic installation / location of the connections
Procedure:
→
Apply supply pressure ( 1.4 ... 7 bar) to the pressure supply
connection P.
For single-acting actuators (control function A and B):
→
Connect one working connection (A1 or A2, depending on
required safety position) to the chamber of the single-acting
actuator.
Safety positions see chapter "9.3 Safety positions".
→
Seal a working connection which is not required with a plug.
english
Working connection 2
(connection: A2)
Pressure supply connection
1.4 ... 7 bar (connection: P)
Working connection 1
(connection: A1)
Air discharge connection
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