Factory Default Settings
Unless otherwise specified on the order form, the following settings will be used to configure
the detector.
Setting Default
Sensor 1 Active
Sensor 2 Active if Applicable
Sensor 3 Active if Applicable
Sensor 4 Active if Applicable
Zone 1 Active
Zone 1 Delay 3 Minutes
Zone 1 Alert Switch Position 3 (35 PPM CO / 1.0 PPM NO
2
)
Zone 2 Inactive
Zone 2 Delay 3 Minutes
Zone 2 Alert Switch Position 3 (35 PPM CO / 1.0 PPM NO
2
)
Fan 1 50/100
Fan 2 50/100
Proportional Output Units mA
Proportional Output Signal 4-20 mA
High Alert Relay Operation Normally Open
Each sensor ordered will be assigned a number 1 through 4 as applicable, starting with
Carbon Monoxide and finishing with Nitrogen Dioxide. Sensor numbering should not be
changed unless adding or removing a sensor.
Color-coded relay contact wiring is provided for any active zones with the High Alert relay
contacts set to close upon entering High Alert and open during a fail-safe condition.
IOM01
Rev 1.0 – December 22, 2020 25
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