Manual Activation Of The Valves; Led Display Connection Units - Burkert 8647 AirLINE SP Quick Start Manual

11.1

Manual activation of the valves

WarnIng
risk of injury due to actuators.
Unintentional system movements or states may result from
manual activation of the valves.
▶ Ensure that the movements of connected actuators cannot
cause injuries, damage or unwanted actions in the system.
CauTIon
risk of injury due to hot device components.
A longer duty cycle may result in the valves becoming hot.
▶ Only active manual override with a screwdriver.
Depending on the type of valve, valves can be activated man-
ually, e.g. for start-up or service tasks.
The valves can be manually activated even when the
valve block is not electrically powered.
→ Press (for key function) and rotate (for lock function) manual
override. Depending on the type of valve, it results in elec-
trical activation of the valve being canceled or limited.
→ Set manual overrides in neutral position after completing the
tasks.
28
english
Type 8647
Start-Ups
11.2

LED display connection units

The left-hand connection units feature the LED display
"PWR OK" for visual display of the operating state.
If the connection units are equipped with a pressure sensor
("PSU-..-PS"), they feature further LED displays:
- "DIAG" LED (red / green) for module status
- " Pressure" LED (red / yellow / green) for pressure status
(depends on the parameterized limit values)
LED "PWR OK"
(only for left-hand
connection units)
Fig. 15: LED displays of connection units
DIAG
PWR
OK
Pressure - Error Warn Ok