Hochiki YBO-BSB(WHT) User Manual

Hochiki Audio

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Products Covered: YBO-BSB installed with ALG-E, ALG-E(NP), AIE-E, AIE-E(NP), ATG-E, ATG-
E(NP), ACA-E, ACB-E Sensors, CHQ-AB Range of Beacons, CHQ-ARI Remote Indicator and YBN-
R/3 Standard Base, YBO-R/SCI Short-Circuit Isolator Base (from batch code 6044 only).


The Loop-Powered Base Sounder Beacon (YBO-BSB) is designed to complement the standard common mounting base
(YBN-R/3) and the isolator base (YBO-R/SCI) in locations where Loop-Powered Sounders and Beacons are required.
The YBO-BSB has connections for both of these types of base as well as for the standard range of Hochiki Analogue
Addressable Sensors and Beacons. The YBO-BSB is designed to give audible and visual alerts in locations such as Hotel
Bedrooms, Offices and Corridors. Note that the YBO-BSB is for indoor use only (Type A) and is rated at IP21.

The beacon contained within this product is a secondary function and therefore must not be used as a visual alarm device
to comply with EN54-23.

Common Configurations

The YBO-BSB can be used in conjunction with an ESP Sensor, Beacon or Remote
Indicator (see Fig.1) or with the addition of a Cap (see Fig. 2).

Address Setting

The default address of the YBO-BSB is 254, and therefore if the YBO-BSB is to be
used as a base sounder (sensor on top) then the address will not need to be changed,
as the control panel will automatically address the sounder as described below.
However, if the sounder is to be used as a wall sounder then the YBO-BSB will need to
be manually addressed from 1 to 127 as described below. Note: Control Panel
compatibility needs to be checked to verify if automatic addressing above 127 is

Automatic Addressing (Control Panel)

The control panel automatically assigns the address to the base sounder at
initialisation, the address is calculated by taking the address of the sensor that is fitted
to the base sounder and adding 127, this is then stored within the base sounder. For
example, if a sensor is set at address 10 then the base sounder would be automatically
set at address 137. Addresses above 127 may not be visible to the user depending
upon the implementation by the Control Panel.

Manual Addressing (Hand Held Programmer)

Fig. 1

Fig. 2

The base sounder address can be set using the Hand Held programmer (TCH-B100) from 1 to 254. See the TCH-B100
instructions for further details of address setting. If the YBO-BSB is to be used as a wall sounder then the address should
be set from 1 to 127 before being installed. If the YBO-BSB is to be used as a base sounder (sensor on top) then the
address should be set from 128 to 254.


Ensure that the base sounder is installed in accordance with Local Standards or Regulations.

Check that both sensor and mounting base are compatible with the YBO-BSB.

Only install in suitable environments, the following in particular should be avoided: -

 Excessive ambient temperature.
 Where excessive condensation or moisture is present.
 Hazardous areas.

A high voltage tester must not be used with this base sounder.

Ensure that the base sounder is securely fixed to the mounting base.

For proper wiring supervision ensure that the cables are wired as shown in the diagram below.