FT2GAS
Gaseous Extinguishing System
Rev No. 1.3
28
2. Lift up the “Gas Isolate” flap then press the switch, check the following:
•
“Gas Isolate” lamp integrated in the switch body illuminates.
•
“Gas Discharge Inhibited” LED on the FT2GAS panel illuminates.
•
Simulate the first and the second alarms, and ensure that the initiated LED remains OFF
i.e. gas is not released.
•
Press the “Gas Isolate” switch again, system returns back to normal.
3.3.4
Fault Test
1. Press zone 1 and zone 2 “Fault Test” button, “Zone Fault” LED of each zone illuminates steadily
for approximately 3 seconds.
2. Remove a detector head or end of line resistor, the corresponding “Zone Fault” LED flashes once
every 2.5 seconds (open circuit), “Gas Fault” LED illuminates steadily and the “System Inoperative”
sign will activate.
3. Simulate short circuit across a zone, the “Fault” LED of that zone flashes twice every 2.5 seconds,
“Gas Fault” LED illuminates steady and the “System Inoperative” sign will activate.
4. Remove the end of line resistor of the ACF on the FT2 Main Control Board output and the “Alarm
Devices-Silence Flt.” LED flashes once every 2.5 Seconds. For short circuit test, the LED flashes
twice every 2.5 seconds.
5. Simulate open and short circuit on the warning sign output (Do not enter /Evacuate), “Gas Fault”
LED illuminates steady and the “System Inoperative” sign will activate.
6. Simulate open or short circuit on the system inoperative sign output and “Gas Fault” LED illuminates
steadily.
7. Simulate open or short circuit on the LCS outputs, “Gas Fault” LED illuminates steadily and the
“System Inoperative” sign will activate.
