250306 / MCP60300050
2015-10-23·BA00·III·en·00
Mounting and installation
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Flameproof Manual Call Points
Series MCP/PB
7.3
Installation
7.3.1 Preparation for electrical installation
Remove the cover
• Remove cheese-head screws.
• Carefully lift MCP front cover.
DANGER
Explosion hazard due to open holes, unused cable entries and cable glands!
Non-compliance can result in severe or fatal injuries.
• Only use approved and flameproof (Ex d) cable glands.
• When selecting cable entries, observe the thread type and thread size
in the component documentation.
• Seal thread with non-hardening thread sealant.
• Always close unused holes, cable entries and cable glands using
approved stopping plugs or plugs. Observe IEC/EN 60079-14 for this.
CAUTION
Danger of electric shock due to energised parts!
Non-compliance can result in minor injuries!
• All connections must be disconnected from the power supply.
• Secure the connections against unauthorized switching.
• Correct reassembly of the unit is required to ensure ingress protection
to IP 66.
16579E00
1 Cheese-head screws
M5 x 16
2 MCP front cover
3 PCB fixing screw
4 PCB
5 MCP base
A retaining strap is fitted between the base and front cover.
Depending on the variant of MCP which has been selected, the PCB may
or may not have to be removed during installation.
Details about this can be found in the "Electrical connection" chapter.
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Содержание MCP/PB
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