Burkert Type 8690 - Manual (Page 30)

30
Safety Positions
12. safETy pOsiTiOns
safety positions after failure of the electric or pneumatic aux-
iliary energy:
Operating mode designation
safety positions after failure
of the auxiliary energy
up
down
Single-acting
control
function A
electrical pneumatic
down down
up
down
Single-acting
control
function B
up up
up
down
Double-acting
control
function I
down not defined
Tab. 10: Safety positions
13. DisassEMBly
13.1. safety instructions
DangEr!
risk of injury from high pressure!
• Before dismounting lines and valves, turn off the pressure and
vent the lines.
risk of electric shock!
• Before reaching into the device or the equipment, 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 disassembly!
• Disassembly 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 disassembly, ensure a controlled restart.
english
Type 8690 Ex