Installation; Safety Instructions; Installation Of The Pneumatic Control Unit Type 8690 On Process Valves Of Series 21Xx - bürkert 8690 Bedienungsanleitung

7

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Only for Pneumatic Control Unit without pre-assembled
process valve.
7.1 safety instructions
Danger!
risk of injury from high pressure in the equipment/device.
▶ Before working on equipment or device, switch off the pressure
and deaerate/drain lines.
risk of electric shock.
▶ Before working on equipment or device, switch off the power
supply and secure to prevent reactivation.
▶ Observe applicable accident prevention and safety regulations
for electrical equipment.
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
an uncontrolled restart.
▶ Secure system from unintentional activation.
▶ Following installation, ensure a controlled restart.
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english
Type 8690
Installation
7.2 installation of the pneumatic
control unit Type 8690 on
process valves of series 21xx
note!
When mounting on process valves with a welded body, follow
the installation instructions in the operating instructions for
the process valve.
procedure:
1. install switch spindle:
Transparent cap
Pilot air ports
(plug-in hose con-
nectors with collets or
threaded bushings)
Actuator
Fig. 6: Installation of the switch spindle (1), 21xx series
→
Unscrew the transparent cap on the actuator and unscrew the
position display (yellow cap) on the spindle extension.