Zeta Alarm Systems ZT-20EX, Руководство пользователя

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47-153 / 47-154 , Rev. A, Aug 15, 2019
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the area is unobstructed. Secure the detector in that position by tightening the
locking screws on the Swivel mount.
The detector is now correctly located, aligned and ready to be connected to the system.
4 Operation
Once powered up, the detector will begin appr. 20 sec start-up routine.
During this time, all three (3) LED indicators will be blinking.
Once the start-up procedure has finished and no faults are present, the detector will
begin Normal operation (Green LED will remain on).
Table 1.
Output Signals/LED Indications versus Detector State
Detector Status
Green
LED
(Power)
Red LED
(Alarm)
Yellow
LED
(Fault)
4-20mA
Output
Power up
– 20 second start
delay
Blinking 2 mA
Internal Power Fault or system
power out of range / Fault
Off Off Blinking 0 mA
Normal Operation Solid Off Off 4 mA
Fire Detection(Warning) Off Solid Off 16 mA
Fire confirmed All LEDs blinking simultaneously 20 mA