Installation; Mounting - CEAG COOPER Crouse-Hinds GHG 418 Série Mode D'emploi

Fig. 1
4 5
Fig. 2
4 5 3
Fig. 3 15a
2 1 6 10 11
2 1 14 15b
Fig. 4
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Explosion-protected control units GHG 418 ..
3 2 1 6
Any admissibly high mechanical stress of
the protective cap that might impair the
explosion protection shall be avoided.
The data according to sections 3 and 4
shall be taken into account during use.
Applications other than those described
are not permissible without a written
declaration of consent from Messrs.
12
COOPER CROUSE-HINDS / CEAG.
During operation the instructions stated in
section 7 of the operating instructions shall
be observed.
The sole responsibility with respect to the
suitability and proper use of the control
switches with regard to the basic
requirements of these instructions (see
technical data) lies with the operator.
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6

Installation

The relevant national regulations(e.g.
Betr.Si.V, the equipment safety law for
Germany) and the generally recognized rules
of engineering apply for the installation and
operation.
7 8
The improper installation and operation of
control switches may result in the
invalidation of the guarantee.
6.1 Mounting / Dismantling
Components for panel mounting are mounted
in accordance with Figs. 1 – 4 and according
to the following:
14 7
1. The operating and indicating element,
item 4, is inserted from the front into the bore
hole ( Ø 30.3 mm) of the switch panel or
enclosure, maximum wall thickness 5 mm.
Here special attention shall be paid to the
correct fit of the seal, item 5, and of the
element (positioning lug on element shall fit
into the recess, see dimensions drawing on
page 7.)
14 7
10 11 8 9
Components
1 Flameproof components
2 Fixing bow
3 Counter-nut
4 Actuator elements
5 Seal for actuator elements
6 Seal for protective cap
7 Protective cap
8 Cap nut of the cable entry
9 Cable
10 Strain-relief
11 Self-cutting screw
12 Mounting tool
13 Dismantling tool
14 Clips
2. Tighten the counter-nut, item 3, using
the mounting tool, item 12 (Accessory Order
No. GHG4101914R0001).
Excessive tightening can result in damage
to the actuator elements.
3. The Ex-d components, item 1, can be
completed by adding a protective cap, item 7,
an optional item – see section 5 –to form fully
certified built-in apparatus.
The protective cap is mounted as follows:
4. Remove the pressure screw with seal,
item 8, from the protective cap, item 7, and
adapt the sealing rings to suit the cable cross
section.
5.
Push the cable, item 9, through the
pressure screw with cable seal, item 8, of the
seal, item 6, and the protective cap, item 7.
6.
Connect the cable. Fix the strain-relief,
item 1, with the screws, item 11, to the cable
and engage in the guide grooves, items 15a
and 15b, of the component, item 1 (see Fig. 3).
7.
Push the protective cap over the
connection terminals until the clips, item 14,
engage in the grooves of the component, item
1 (see Fig. 3). Special attention shall be piad
to the correct fit of the seal, item 6.
8. Tighten the connection cable in the
protective cap with the pressure screw, item 8
(see Section 6.3).
To dismantle, proceed in the reverse order. To
release the protective cap, the clips are
pushed out of the grooves in the component,
item 1, using the dismantling tool (item 13)
and the protective cap removed (see Fig. 4).
Cooper Crouse-Hinds GmbH
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