307UM0200_01 May 2016 PD27x User Manual Page 25 of 30
APPENDIX B – INSTALLATION OUTDOORS
Appendix B.1 IEC 60950-22:2005 – Outdoor cabinet
If the PD27x 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 polluon degree 2.
Appendix B.2 IEC 60950-22:2005 - Northern Europe
To achieve outdoor operaon 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 PD27x 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 addional
protecon must be provided external to the unit on the supply lines.
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