Hochiki CHQ-SOM User Manual

Hochiki Audio accessories

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2-3-0-1375/ISS1/DEC12

HOCHIKI ADDRESSABLE POWERED
SINGLE OUTPUT MODULE
INSTALLATION INSTRUCTIONS

Product Covered: CHQ-SOM

Introduction

The CHQ-SOM has been designed to allow a single relay output to be connected to the ESP loop. The unit incorporates
a volt-free relay contact that can be configured as either N/O or N/C, the relay contact is rated to 30 V dc (max), 1 A
(resistive load).

NOTE: The state of the relay contacts will be indeterminate until the unit is powered.

Fixing & Wiring

The CHQ-SOM features three colour-coded flying leads, which must be wired as per the product label and as shown
below in Fig 1. The unit also features a wiring terminal block for loop connection:

Fig 1 CHQ-SOM Wiring

To maintain LPCB approval the device must be mounted in an SMB-1, SMB-2 or SMB-3 enclosure (or an equivalent
enclosure made from polycarbonate (or a similar material) which is impact resistant as per EN54-18:2005 Clause 5.9)
using 2 M3 screws or 2 M3 nuts and bolts.

Please note that if the PCB is removed from the protective outer casing the EN54 approval is voided.

Programming

The CHQ-SOM is addressable and features a programming connector to facilitate this. Connect a Hochiki TCH-B100
Hand Held Programmer to the CHQ-SOM using a PL-3 Programming Lead. Refer to the TCH-B100 Instructions for
further details on programming addresses. The programmed address can be written on the device label.

CHQ-SOM

0832-CPD-2014 12

EN54-18:2005

CHQ-SOM(HFP)

Hochiki Europe (UK) Ltd
Grosvenor Road, Gillingham Business Park,
Gillingham, Kent, ME8 0SA, England Telephone:
+44(0)1634 260133 Facsimile: +44(0)1634 260132
Email: [email protected]
Web: www.hochikieurope.com

Hochiki Europe (UK) Ltd. reserves the right to alter the
specification of its products from time to time without notice.
Although every effort has been made to ensure the accuracy
of the information contained within this document it is not
warranted or represented by Hochiki Europe (UK) Ltd. to be a
complete and up-to-date description. Please check our web
site for the latest version of this document.

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