AUMA AMExC 01.1, Operation Instructions Manual

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5.3.3. Terminal compartment: close
Figure 16: Ex plug/socket connector: left KES, right KES flameproof
[1] Cover
[2] Screws for cover
[3] O-ring
[4] Terminal compartment: Type of protection Ex e
[5] Terminal compartment: Type of protection Ex d
[6] Frame
1. Clean sealing faces of cover [1] and housing.
2. Ex plug/socket connector designed as KES flameproof: Preserve joint surfaces
with an acid-free corrosion protection agent.
3. Check whether O-ring [3] is in good condition, replace if damaged.
4. Apply a thin film of non-acidic grease (e.g. petroleum jelly) to the O-ring and
insert it correctly.
Flameproof enclosure, danger of explosion!
Risk of death or serious injury.
→
Handle cover and housing parts with care.
→
Joint surfaces must not be damaged or soiled in any way.
→
Do not jam cover during fitting.
5. Fit cover [1] and fasten screws [2] evenly crosswise.
5.4. Accessories for electrical connection
— Option —
5.4.1. Controls mounted to wall bracket
The wall bracket allows separate mounting of controls and actuator.
Application
●
When mounted in confined spaces.
●
If the actuator is subjected to high temperatures.
●
In case of heavy vibration of the valve.
22
SQEx 05.2 – SQEx 14.2 / SQREx 05.2 – SQREx 14.2
Electrical connection AMExC 01.1