Hochiki Europe (UK) Ltd – HE-PSU(4.0) Installation Manual
Page 10 of 10
2-3-0-997/ISS1/OCT07
9. OPERATING INSTRUCTIONS
The HE-PSU(4.0) is intended for use only as Power Supply Equipment for 24V DC fire detection and alarm
systems conforming to EN54-2 and EN54-4.
All mounting, installation, commissioning and maintenance should be carried out strictly in accordance with
the instructions contained in the manual.
Under normal operating conditions, none of the LED indicators should be lit and there should be no output
on any of the fault output terminals.
Fault conditions are identified by the printed legends on the black ventilated cover of the PSU within the
enclosure and relate to the on-board LED indicators.
The switched negative fault outputs may be used to operate 24VDC rated relays or indicators up to the
current limit of 100 milliamps per output. The reference voltage for the switched negative outputs is the load
positive.
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.
