securitywarehouse Posted January 11, 2011 Share Posted January 11, 2011 We thought that we had ordered PSD-1 for our fire system, however we have PSD-2 instead are theses compatable with the system or do we need to send these back and swap for PSD-1 Quote Link to comment Share on other sites More sharing options...
accounts3 Posted January 11, 2011 Share Posted January 11, 2011 PSD 1 is designed to provide early warning of a fire sitiation by reacting to smoke concentration and is a 12v detector, the PSD2 is part of the new range of detectors with smooth aesthetics, also work in the 12 v range also a smoke detector. I am not aware that esp still produce PSD 1. Quote Link to comment Share on other sites More sharing options...
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