AUMA SQEx 05.2 User Manual

12. Fit cover [1] and fasten screws [2] evenly crosswise.
13.2.2. Disconnection from the mains with KP/KPH and KES electrical connection
Ignition of potentially explosive atmospheres caused by sparks!
Risk of death or serious injury!
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Before opening the flameproof enclosure, ensure absence of gas and voltage.
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Handle cover and housing parts with care.
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Flameproof joints must neither be damaged nor soiled in any way.
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Do not jam cover during fitting.
Figure 91: KP/KPH and KES electrical connection
[1] Cover
[2] Screws for housing
[3] O-ring
[4] Plug-in frame (KP/KPH)
[5] Connection frame (KES)
Removing the plug:
1. Loosen the screws [2].
2. Remove electrical connection.
➥
Cover [1] and plug-in type frame [4] or connection frame [5] remain together.
3. Seal open plug/socket connection, e.g. using AUMA protection cover and
parking frame.
Fitting the plug/socket
connector:
4. Clean sealing faces of plug/socket connector and housing.
5. Preserve joint surfaces with an acid-free corrosion protection agent.
6. Check whether O-ring [3] is in good condition, replace if damaged.
7. Apply a thin film of non-acidic grease (e.g. petroleum jelly) to the O-ring and
insert it correctly.
8. Replace electrical connection and fasten screws evenly crosswise.
13.3. Maintenance
Maintenance intervals
In compliance with EN 60079-17, Ex certified products either require repeated testing
at an interval of 3 years or continuous monitoring by trained personnel.
Manual operation
During maintenance, the mechanical parts of the handwheel activation, in particular
motor coupling and retaining spring, must be checked. Replace the parts in case of
visible wear.
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SQEx 05.2 – SQEx 14.2/SQREx 05.2 – SQREx 14.2 Control unit: electronic (MWG)
ACExC 01.2 Non-Intrusive Profibus DP Servicing and maintenance

AUMA SQEx 05.2 Specifications

General

Brand	AUMA
Model	SQEx 05.2
Category	Controller
Language	English