MEDC BGE Manuel Technique page 4

3.1 Replacement of Glass
To replace the glass after operation of the unit, remove the small cover held in place by the two slotted screws.
Take out the glass and remove any broken fragments from the unit. Place the new glass into the unit and replace
the cover. Then test the unit (see 2.5 'Testing the Unit').
4
m
signifies suitability for use in the presence of gas.
6
t
4.0 MAINTENANCE
During the working life of the breakglass unit, it should requir e little or no maintenance. However, if abnor-
mal or unusual environmental conditions occur due to plant damage or accident etc., then visual inspection is
recommended.
5.0 APPROVALS
Certified to
EN50014 EN50018, EN50019, EN50028, EN50281-1-1.
(Tamb. –20°C to +50°C)
EExed IIC T6 (Switch only).
EExedm IIC T4 (Other versions)
ATEX certificate No. BAS02ATEX2105X.
The ATEX certificate and the product label carry the ATEX group and category marking:
II2G.
Where
signifies compliance with ATEX.
II signifies suitability for use in surface industries.
2 signifies suitability for use in a zone 1 and zone 2 area.
G signifies suitability for use in the presence of gas.
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GENER L RR NGEMENT
Place the new glass into the unit and replace
However, if abnor-
© Cooper MEDC 2011