Discuss Sense alarm Fire alarm in the Security Alarms, Door Entry and CCTV (Public) area at ElectriciansForums.net

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having probs with Fire alarm.Its a sense alarm 2 wire,mcp's,detectors & sounders.
Goes into Fire mode,even when only 3 points are on circuit.
Are all their sounders compatible with the system,it's difficult to understand properly ,we have sounders,which are alarm sense,not the sounder & base ones,on their diagram.
Commissioning guy,going round in circles.
 
having probs with Fire alarm.Its a sense alarm 2 wire,mcp's,detectors & sounders.
Goes into Fire mode,even when only 3 points are on circuit.
Are all their sounders compatible with the system,it's difficult to understand properly ,we have sounders,which are alarm sense,not the sounder & base ones,on their diagram.
Commissioning guy,going round in circles.
Have you connected the bases in parallel (if using standard bases)? Both in and out should be connected to L1 in +ve and L2-ve. Not how you would connect a coventional base using in and out.
 
As Lee said, break the circuit down & bridge each head or call point one at a time.
I normally keep a set of short jump leads in my kit to quickly bridge things out.
 
Are you using sounder bases or have a sounder circuit? All the gear is alarmsense? EOL capacitor for detector circuits and EOL resistor for sounder circuits? If using separate sounders are they polarised?
 
Are you using sounder bases or have a sounder circuit? All the gear is alarmsense? EOL capacitor for detector circuits and EOL resistor for sounder circuits? If using separate sounders are they polarised?
No sounder circuit,all on same circuit,sounders are not base sounders,all alarm sense equipment.They are not polarity sensitive
 
In the CFP alarm sense manual, the circuit showing the alarm sense sounders shows + - at the sounders.
I just took this to indicate the sounders were polarity conscious, although it doesn't actually say this. Says to look at the manuals for each device.

Just looked on the C-tec website, your right they're not polarity conscious. In answer to your earlier question, it looks like all 5500 series sounders are compatible.
 
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