76
Operation
Sprinkler Alarm An alarm for sprinkler flow sensors. These alarms are identical to normal
non-verified alarms unless the water-flow retard operation is enabled. If
water-flow retard operation is enabled, then these circuits are sampled
every one second; if ten samples are active within any 15 second
interval, the sprinkler alarm is confirmed and processed. An alarm
condition causes the associated circuit Status LED and the Common
Alarm LED to illuminate red.
Note: Do not use the retard operation with any external retarding device;
maximum retard may not exceed 120 seconds.
General Alarm These alarms provide remote general alarm such as for remote key
switches. In a two stage system, these inputs perform exactly the same
function as the front panel or remote annunciator general alarm button.
In a single stage system, these inputs act the same as non-verified
alarms, but if correlations are enabled, general alarm initiating circuits
are correlated to all NAC circuits.
Non-Latching Supervisory These alarms are for supervisory devices. An activation on these circuits
will cause the Circuit Status LED and the Common Supervisory LED to
illuminate amber. The buzzer will sound continuously. If the circuit
activation is removed, the supervisory condition will clear (so long as
there are no other supervisory conditions in the system) and the circuit
Status LED will extinguish.
Latching Supervisory These alarms are for supervisory devices. An activation on these circuits
will cause the Circuit Status LED and the Common Supervisory LED to
illuminate amber. The buzzer will sound continuously. If the circuit
activation is removed, the Supervisory condition will not clear.
Monitor This is a supervised general purpose non-latching input used mainly for
correlating to a relay circuit. No other system condition occurs as a
result of its activation (short-circuit), although it is supervised for trouble
(open-circuit).
Trouble-Only This circuit is used for monitoring a trouble condition from an external
device such as a Mircom QX-5000 Audio System. Both open and short
circuits generate a non-latching trouble condition.
Table 19 Initiating (Detection) Circuit Types (Continued)
Initiating (Detection)
Circuit Type
Description
To Next Page
Loading...
Need help?
General
