Installation, Operation & Maintenance Manual Merlin Detector i-S
Iss: 1 170322
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Audible Buzzer Switch
There is a switch on the detector board identified as [Buzzer On/Off].
The detector can be configured to have an audible alarm or not when gas levels reach the alarm set points. The alarm
will continuously sound
–
there are no provisions to silence the alarm, gas levels must drop to a safe value for the
alarm to stop.
Factory Set Condition
Detectors are shipped pre-calibrated and configured.
Buzzer On/Off Switch
On
Alarm Relay Setting Switch
On
CO2 Selection
Pre-Alarm (800ppm) / Alarm (1000ppm) / 0-2000ppm 0-10V Output Range
Operation
Initial Power Up
On connecting power, the detector enters a warmup phase for approximately 60 seconds
–
during this period, your
device not yet ready for operation.
OK Pre-Alarm Alarm
Latched Relay Alarm
The detector will indicate a red dot on the screen when the alarm relay has latched.
The alarm buzzer will beep every 10 seconds to alert the user that the detector entered an
alarm state. To reset the Detector, press and hold the touch button for ~3 seconds.