GD-70D - 38 -
5-3 Turning Off the Detector
To turn off the detector, open the switch cover on the bottom of the main unit, and turn "OFF" the power
switch. Then, turn off the power supply (24 VDC) to the detector.
5-4 Basic Operation
After the warmup procedure, the detector enters detection mode.
WARNING
• When the detector is turned off, an alarm may be activated on the upper (central) system.
Before turning off the detector, the inhibit (point skip) on the upper (central) system must be
activated.
Decide whether the power can be turned off by checking the operation of the devices connected to
the external output or external contact output terminal of the detector.
• If the alarm contact is energized (option), they will activate when the detector is turned "OFF".
• If the detected gas is absorptive, the detector must be flushed thoroughly with fresh air before turning
SIH4
ZERO
GAS TEST
TEST OFF
FLOW
SIH4
(press and hold)
(press and hold)
restarted after
recovering from
Fault.
(press and hold)
A1:ALM1
A2:ALM2
:Lamp on
○:Lamp off