E2S BExS120E Manual De Instrucciones página 2

The sounder should be securely bolted to a suitable surface
using the 7mm diameter boltholes in the stainless steel U
shaped mounting bracket (see figure 1). The angle can then
be adjusted in the direction that the sound is primarily
required to cover. This can be achieved by loosening the two
large bracket screws in the side of the unit, which allow
adjustment in steps of 18°. On completion of the installation
the two large bracket adjustment screws on the side of the
unit must be fully tightened to ensure that the sounder cannot
move in service.
Flameproof
Chamber
Plastic Acoustic Horn
Please see Safety Warning
in Section 7 of this manual
Figure 1
7)
Safety Warning (Electrostatic Hazard)
The acoustic horn section is made of ABS Plastic, therefore
to avoid a possible ELECTROSTACTIC CHARGE the unit
must only be cleaned with a damp cloth.
8)
Access to the Flameproof Enclosure
In order to change the tone or adjust the output level of the
sounder it is necessary to remove the terminal chamber
section to gain access to the flameproof chamber. To achieve
this remove the four M6 hexagon socket head screws (see
figure 2) and withdraw the terminal chamber taking extreme
care not to damage the flameproof joints in the process.
Note the four M6 screws are Class A4-80 stainless steel
and only screws of this category can be used on these
sounders. It is therefore important that these screws and
their spring washers are kept in a safe place during
installation.
_______________________________________________________________________________________________________________________________
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH
Document No. IS 2422-P
Terminal
Chamber
S/S Mounting
Bracket
Flameproof Chamber
4 off M6 Cover Screws
Increased Safety
Chamber
4 off M4 Cover Screws
External Earth
Terminal
Figure 2
Issue B 17-04-02
On completion of the tone selection and adjustment the
flameproof joints should be inspected to ensure that they are
clean and that they have not been damaged during
installation. Also check that the earth bonding wire between
the two casting sections is secure and that the 'O' ring seal is
in place. When replacing the terminal chamber section
casting, ensure that it is square with the flameproof chamber
casting before inserting. Carefully push the section in place
allowing time for the air to be expelled. Only after the section
is fully in place should the four M6 Stainless Steel A4-80
cover bolts and their spring washers be inserted and
tightened down. If the section jams while it is being inserted,
Terminal
Cover carefully remove it and try again. Never use the M6 cover
bolts to force the cover into position.
9)
Access to the Increased Safety Terminal
Chamber
To connect the cables to the sounder it is necessary to
remove the terminal cover to gain access to the termination
chamber. To achieve this remove the four M4 hexagon
socket head screws (see figure 2). The four M4 screws and
their spring washers are grade A4 stainless steel and they
should be kept in a safe place during installation. Before
replacing the terminal cover ensure that the earth bonding
wire between the two castings is secure and that the 'O' ring
seal is in place. Insert the four M4 hexagon screws and their
spring washers and tighten them down.
10)
Power Supply Selection
It is important that a suitable power supply is used to run the
sounders. The power supply selected must have the
necessary capacity to provide the input current to all of the
sounders connected to the system.
The following table shows the input current taken by the
various sounder units:-
Unit Type
Volts
BExS120E
BExS120E
BExS120E
BExS120E
BExS120E
BExS120E
Sheet 2 of 4
1 2 3 4 5 6 7 8 9 1 0 11 1 2
2 off M20
Cable Entries
Input Input
Voltage Current
24V DC 800mA
12V DC 850mA
48V DC 420mA
230V AC 90mA
110V AC 200mA
115V AC 180mA
sales@e2s.com Tel: +44 (0)208 743 8880
www.e2s.com Fax: +44 (0)208 740 4200
Internal
Bonding Wire
Terminal
Internal Earth Terminal
Figure 3
Max.
I/P
30V
15V
58V
264V
121V
126V
(2)