Specifications

9
Operation
1. With the display function turned “On”, the CM-6 will show the current concentration of CO ppm or “0” (zero)
in clean air. When the CO concentration reaches the Fan Relay setting (35 ppm, for example) the display
will flash back and forth between “FAn” and “35”. With the display function turned ”Off”, the display does not
show the CO concentration, but will show “FAn” as long as the fan relay is activated.
2. With the display function turned “On” and the CO concentration reaching the Alarm Relay setting, (200
ppm, for example) the display will flash back and forth between “ALr” and “200”. The buzzer will sound
indicating “Alarm” if the buzzer is turned “On”. With the display function turned off the display does not
show the CO concentration, but will show “ALr” when the Alarm relay is activated.
3. With the 4-20 mA function turned “On” and the CO concentration climbing, the 4-20 mA signal will ramp up
corresponding to the concentration (0-200 ppm, for example). The display will show “FAn” and “ALr” and
sound as outlined above.
Default Configuration – Factory Settings

The default Power Up Test setting is On

The default Display setting is Off
 The default Buzzer setting is Off
 The default Alarm Relay Setting is activation at 200 ppm
 The default Alarm Relay Configuration setting is Normally Open
 The default Fan Relay Setting is activation at 35 ppm
 The default Fan Relay Delay setting is 3 minutes
 The default Fan Relay Runtime setting is OFF
 The default 4-20mA Output setting is OFF
To change settings, remove the Philips screw on the front of the CM-6. Pull off the front cover of the unit.
Selecting Default Configuration – “dEF”
To select the Default Configuration, in normal mode, push the Next button to get to “Con” or the Configuration
menu. Then push the Enter button to enter the Con menu. The first selection is the “dEF” or Default setting.
Push Enter. If it is already in Default configuration, there will be no action. If it is not already in Default
configuration, “nO” will be displayed. Push Next to change it to “YES” (flashing) then push Enter to confirm the
change (solid) and push Enter again to return to “dEF” in the con menu. Push Next until “End” is displayed
then push Enter to get back to normal operation.
Selecting Power Up Test Option – “PUt”
To select the Power Up Test Configuration, in normal mode, push the Next button to get to “Con” or the
Configuration menu. Then push the Enter button to enter the Con menu. Then push the Next button to get to