307UM0100_01 May 2016 PD17x User Manual Page 26 of 31
APPENDIX B – INSTALLATION OUTDOORS
Appendix B.1 IEC 60950-22:2005 – Outdoor cabinet
If the PD17x Series Detector is to be installed outdoors it must be installed in a cabinet / housing that complies with
the requirements of IEC 60950-22:2005 for a minimum of pollution degree 2.
Appendix B.2 IEC 60950-22:2005 - Northern Europe
To achieve outdoor operation down to -50 °C as required by IEC 60950-22:2005 for Northern Europe (Finland, Norway
and Sweden) a heater with a thermostat must be included in the cabinet that houses the PD17x Series Detector.
Appendix B.3 IEC 60950-1:2005 – Overvoltage Category
If the unit is likely to be exposed to transient overvoltage greater that IEC 60950-1 Overvoltage Category II additional
protection must be provided external to the unit on the supply lines.