Locking Mechanism - Hochiki CHQ-WS2 Instrucciones De Instalación

Table 1 – Current Drawn (mA)
Nominal 90 95
Sound
Output
dB(A)*
WS2 2.0 3.0
(sounder
activated)
WSB2 9.0 10.0 11.5
(sounder &
beacon
activated)
Supply Voltage Range 17-41 Vdc. Max. Power
Consumption 287 mW @ 41 Vdc (beacon only).
* Refer to Application Notes AP084 and AP117
(available from our website) for complete EN54-3 A-
weighted sound levels.
PRECAUTIONS

Ensure that the unit is installed in
accordance with Local Standards or
Regulations.

Only use the specified Hochiki mounting
bases (or CHQ-WPK Weather Proofing
Kit) with this wall sounder/wall sounder
beacon.

Only install in suitable environments, the
following in particular should be avoided:
Excessively high ambient
o
temperature.
Where excessive condensation or
o
moisture is present (unless CHQ-
WPK is utilised).
Hazardous areas.
o

A high voltage tester must not be used
with these units or either of the specified
www.acornfiresecurity.com
98 100 102
4.5 6.5 8.0
13.5 15.0
www.acornfiresecurity.com
bases.

Ensure that the unit is securely fixed to the
mounting base
utilised).

For proper wiring supervision ensure that
the cables are wired as shown in fig 4.

LOCKING MECHANISM

The units can be locked onto the relevant
mounting base by removing a plastic lug on the
underside of the sounder, refer to fig. 1.
fig 1
The unit can then only be removed from the
base by using a special removal tool, TSE-
SRT, which is available from Hochiki Europe.
INSTALLATION
Both the CHQ-WS2 Wall Sounder and the
CHQ-WSB2 Wall
designed to be mounted directly onto the Red
Standard
(YBO-R/3(RED)) or the Red Short-Circuit
Isolator
(YBO-R/SCI(RED)) or YBN-R/3(WHT)-SCI in
the same method as a Sensor (see fig. 2). The
terminals on the mounting base hold the units
in place.
(and CHQ-WPK
Sounder Beacon
Mounting
Mounting
if
are
Base
Base