Installation Sheet No.: 1774 iss 03ZP755R-2 Addressable Room SounderInstallation sheet 501-1774ZE-1-03ZP755R-2 Addressable Room Sounder Page 2 14/11/2006CNPP anechoic sound levels:Operating voltage: External supply – 16 to 30 VDCLoop supply – ZP protocol 19.5 -20.5 V pulsed, max. 4 V line lossCurrent (RMS)-quiescent: 820 μACurrent alarm (RMS): 4.5 mACurrent alarm (max. avg.- excl. device address): 7.5 mAMax number: 60 per 1 km loop (subject tocable size and sounder spacing)EnvironmentalApplication: Indoor useEN60529 rating: IP50Temp. range: -10 to 70 °CHumidity range: 10% to 95% RH (non-condensing)EMC: CPD compliantConstructionMaterial: Moulded thermoplasticDimensions (∅ x D): 127 x 69 mmColour: White or redWeight: 205 gPhysical InstallationConnecting WiringLoop wiring for the plug-in base. There is no wiringbetween the sounder and plug-in base. See Figure 1in the adjacent column. Plug-in base suppliedseparately.Figure 1Mounting the SounderAlign the addressable sounder to the plug-in base.Push up (step 1) and turn the sounder until it clicksinto place (step 2). Push the sounder up once moreto engage (step 3). See Figure 2 below.Figure 2