Rear View - Macurco CD-6H Instrucciones De Use

9. The Fan Relay will engage if the fan setting Carbon Dioxide concentration is exceeded for longer than the Fan Relay Delay
time. Unless it is configured for latching, the fan relay will disengage once both conditions have been met:

Carbon Dioxide concentration has dropped below fan setting

Fan Relay Runtime has been exceeded
Note that the "disable" fan setting will cause the fan relay to not engage. The fan relay will engage in trouble fault condition (if
the Trouble Fan Setting Option is set to "ON") and will disengage once trouble fault condition is cleared.
10. The Current Loop is 4 mA in clean air and 4-20 mA for 0-5000 ppm CO
2
3.2.1 4-20mA graph
3.2.2

Rear view

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