S&S Northern Merlin 1500ppm, User Manual

Page: 4 / 8

Merlin CO2 Detector C1
User Guide
Rev: 08 05-19
4
2
Installation
2.1 Mains Supply
A 230-volt electrical supply should be supplied to the panel. This should be
externally fused at 3 Amps using a fused spur and should be connected to the terminals
marked [LN Power].
2.2
Alarm Relay
This will switch over should the level of Co2 rise above the specified concentration – (see table)
and automatically switch back once the levels have dropped.
3
LED Indication Status
Model: CO2 Detector 1500ppm

Low (Green) LED
Good air quality, CO
2
<900ppm

Medium (Amber) LED
Moderate air quality, 900ppm> CO
2
<1200ppm

High (Red) LED
Poor air quality CO
2
>1200ppm
Model: CO2 Detector 2800ppm

Low (Green) LED
Good air quality, CO
2
<1000ppm

Medium (Amber) LED
Moderate air quality, 1000ppm> CO
2
<1500ppm

High (Red) LED
Poor air quality CO
2
>1500ppm
Model: CO2 Detector 4500ppm

Low (Green) LED
Good air quality, CO
2
<1000ppm

Medium (Amber) LED
Moderate air quality, 1000ppm> CO
2
<2800ppm

High (Red) LED
Poor air quality CO
2
>2800ppm