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European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880
Document No. D234-00-201-IS_Issue_2 10-11-2022 Sheet 1 of 4
INSTRUCTION MANUAL (WEATHER PROOF)
WP7 PB/PM/PT CALL POINTS
1) Certification & Ratings
All units have a rating label, which carries the following
important information: -
Model No.:
WP7-PB-S (Single Switch)
WP7-PB-D (Dual Switch)
WP7-PM-S (Single Switch)
WP7-PM-D (Dual Switch)
WP7-PT-S (Single Switch)
WP7-PT-D (Dual Switch)
UKCA Marking
IP Rating:
IP66/67 to EN/IEC60529
Ambient Temperature Range:
-55°C to +75°C
2) Location and Mounting
The location of the call point should enable ease of access
for operation and testing. The unit should be mounted using
the 4 off fixing holes which will accept up to M5 sized fixings.
They should only be fixed to services that can carry the
weight of the unit.
To gain access to the mounting holes in the base the front
cover must be removed. See Section 3.
80,0 [3,15in.]
114,0 [4,49in.]
134,0 [5,28in.]
137,0 [5,39in.]
133,9 [5,27in.]
Ø6,4 [Ø0,25in.]
Fig. 1 View of base unit showing fixing centres (in mm).
3) Access to the Enclosure
To access the chamber, remove the four off M6 x 50
stainless steel cap head cover bolts
Once the screws are removed the cover will hang down out
of the way to gain access to the terminals, the internal earth
terminal and mounting hole recesses.
Fig. 2 Accessing the Explosion proof Enclosure.
Check that the earth bonding wire between the two castings
is secure and the ‘O’ ring seal is in place.
4) Earthing
The units are provided with internal and external earth
terminals which are mounted in the base of the unit.
Internal earthing connections should be made to the Internal
Earth terminal in the base of the housing using a ring crimp
terminal to secure the earth conductor under the earth clamp.
The earth conductor should be at least equal in size and
rating to the incoming power conductors.
When using the internal earth terminal ensure that the
stainless steel M4 flat washer is between the incoming earth
wire and the enclosure.
Warning – High voltage may be present,
risk of electric shock. DO NOT open
when energised, disconnect power
before opening.
CE Marking
Call Point Cover
Call Point Base
M6x50 Cap head Cover Bolts - 4 off Positions
