10.1.
Switch compartment: open/close
Figure 62: Open/close switch compartment
[A]
Mechanical position indication (self-adjusting)
[B]
Mechanical position indication via indicator mark
Flameproof enclosure, danger of explosion!
Risk of death or serious injury.
→
Before opening, ensure that there is no explosive gas and no voltage.
→
Handle cover and housing parts with care.
→
Joint surfaces must not be damaged or soiled in any way.
→
Do not jam cover during fitting.
Open
1.
Loosen screws [2] and remove cover [1] from the switch compartment.
Close
2.
Clean sealing faces of housing and cover.
3.
Preserve joint surfaces with an acid-free corrosion protection agent.
4.
Check whether O-ring [3] is in good condition, replace if damaged.
5.
Apply a thin film of non-acidic grease (e.g. petroleum jelly) to the O-ring and
insert it correctly.
6.
Place cover [1] on switch compartment.
7.
Fasten screws [2] evenly crosswise.
10.2.
Mechanical position indicator (self-adjusting)
Figure 63: Mechanical position indicator (self-adjusting)
The self-adjusting mechanical position indicator shows the valve position by means
of an arrow
. When correctly set, the arrow points to symbol
(OPEN) or
(CLOSED) in the end positions.
56
SQEx 05.2 – SQEx 14.2 / SQREx 05.2 – SQREx 14.2 Control unit: electronic (MWG)
Commissioning (settings in the actuator)
ACExC 01.2 Non-Intrusive Modbus TCP/IP