11.1.
Switch compartment: open/close
Figure 85: Open/close switch compartment
[A]
Mechanical position indication (self-adjusting)
[B]
Mechanical position indication via indicator mark
Ignition of potentially explosive atmospheres caused by sparks!
Risk of death or serious injury!
→
Before opening the flameproof enclosure, ensure absence of gas and voltage.
→
Wait for 30 seconds after power cut-off prior to opening the housing.
→
Handle cover and housing parts with care.
→
Flameproof joints must neither be damaged nor 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.
11.2.
Mechanical position indicator (self-adjusting)
Figure 86: Mechanical position indicator (self-adjusting)
72
SQVEx 05.2 – SQVEx 14.2/ SQRVEx 05.2 – SQRVEx 14.2 Control unit: electronic (MWG)
Commissioning (settings in the actuator)
ACVExC 01.2 Modbus RTU
