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).