Installation; Safety Instructions; Installation Of The Pneumatic Control Unit Type 8690 On Process Valves Of Series 21Xx - Burkert 8690 Manuel D'utilisation

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6.

insTallaTiOn

6.1.
safety instructions
Danger!
risk of injury from high pressure!
Before loosening the lines and valves, turn off the pressure and
vent the lines.
risk of electric shock!
Before reaching into the system, switch off the voltage 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.
12
english
Type 8690
Installation
6.2.
installation of the pneumatic
control unit Type 8690 on
process Valves of series 21xx
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.
For version with plug-in hose connector, remove the collets
(white nozzles) from both control air connections (if present).

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