Merlin RS Installation & Operation Manual
REV 06 Page 9 of 12
OPERATION
CO
2
Warning Levels
Before leaving the device for normal operation, check configuration for proper settings.
After connecting power, the device will enter a warm-up period to allow the device to establish connections and
sensor elements to stabilize before a valid reading/output.
There are no warnings/alarms for Temperature or Humidity levels.
CO2 warning levels will depend on configuration at install.
PPM
= Parts Per Million
CO
2
Range
OK
Low CO
2
Warning
High CO
2
Warning
400 - 5000ppm
(Default)
< 1499ppm
(Default)
1500
–
2799ppm
(Default)
> 2800ppm
(Default)
LED Indicator
•
GREEN
= CO
2
Level OK / Power Supplied
•
YELLOW
= CO
2
Level Warning (LOW)
•
RED
= CO
2
Level Warning (HIGH)
2.8” Screen Indicat
ors
GREEN
CO2
Level (OK)
YELLOW
CO2
Level Warning (Low)
RED
CO2
Level Warning (High)
Relative Humidity % Temperature °C
