English
1.0 INTRODUCTION
These manual fire alarm call points have been designed for use in flammable atmospheres and harsh
environmental conditions. The GRP enclosures are suitable for use offshore or onshore where light
weight combined with a high level of corrosion resistance is required.
The units are available with the following options:
Lift flap
Resistors/Zener diodes (encapsulated)
Test ket facility
2.0 GENERAL SAFETY MESSAGES AND WARNINGS
All instructions and safety messages in this manual must be followed to allow safe installation of the
device. The device must only be installed and maintained by correctly trained site personnel/installers.
i.
To reduce the risk of ignition of hazardous atmospheres and shock, do not apply power to the
device until installation has been completed and the device is fully sealed and secured.
ii.
To reduce the risk of ignition of hazardous atmospheres and shock, keep device tightly closed
when the circuit is energised.
iii.
Before removing the cover for installation or maintenance, ensure that the power to the device is isolated.
iv.
Following installation, test the device to ensure correct operation.
v.
Following installation ensure a copy of this manual is made available to all operating personnel
vi.
When installing the device, requirements for selection, installation and operation should be
referred to e.g. IEE Wiring Regulations and the ‘National Electrical Code’ in North America.
Additional national and/or local requirements may also apply.
vii. Cable termination should be in accordance with specification applying to the required application.
MEDC recommends that all cables and cores should be correctly identified. Please refer to the
wiring diagram provided with the unit.
viii. Ensure that only the correct listed or certified cable glands are used and that the assembly is
shrouded and correctly earthed.
ix. Ensure that only the correct listed or certified stopping plugs are used to blank off unused gland
entry points and that the NEMA/IP rating of the unit is maintained.
x.
MEDC recommend the use of a sealing compound such as HYLOMAR PL32 on the threads of all
glands and stopping plugs in order to maintain the IP rating of the unit.
xi. The internal earth terminal, where fitted, must be used for the equipment grounding and the
external terminal, if available, is for a supplementary bonding connection where local codes or
authorities permit or require such a connection.
xii. When installing the device, MEDC recommends the use of stainless steel fasteners. Ensure that all
nuts, bolts and fixings are secure.
xiii. A suitable sealing washer must be fitted to all glands and stopping plugs fitted into the enclosure.
3.0 INSTALLATION
General
The unit should be mounted on a vertical surface using the four off Ø6mm fixing holes in the base.
These have been designed to accept and M5 screw or bolt. Note, the cover assembly needs to be
removed to access the unit fixing holes.
© Eaton MEDC Ltd 2017
11/17
Summary of Contents for MEDC BG2 Exe
Page 2: ...11 17 Eaton MEDC Ltd 2017...
Page 23: ...Eaton MEDC Ltd 2017 11 17...
