Installation & Operation Manual Merlin CO2 Monitor AVG TFT
Rev: 08 07-20
4
This device is designed for surface mounting using 2
mounting screws (not supplied) and MUST be installed by a
competent person. Mark the location of the two holes
needed on the wall using the back plate as a template.
Removing the back plate gives access to the circuit
board.
Do not attempt to remove the Circuit Board!
This will void any warranty you may hold.
There are also two pre-fractured areas for wiring access.
Wiring
A 240VAC Live and Neutral electrical supply should be
connected to the terminal marked [POWER] as shown.
This should be externally fused at 3 Amps.
When mains supply is connected, the device will power up for
60 seconds and CO
2
levels will then be displayed.
Specification
Power Supply 100-240VAC, 50-60Hz (Max 1.7 VA without load)
Target Gas Sensor Type NDIR: Intelligent Infrared CO2 Module
Digital Display Type Thin Film Transistor (TFT)
Typical Sensor Measuring Range
Accuracy @ 25
̊
C (77
̊
F)
400 ~ 5000ppm
± 50ppm ± 3% reading value
CO2 Signal Update Every 3 seconds
Average/24hr Max Signal Update Every 10 minutes
CO2 Warm Up Time One minute / 60 Seconds
Yellow Screen Indicator
(Moderate CO2 Air Quality)
1000-1299 ppm
Red Screen Indicator
(Poor CO2 Air Quality)
1300+ ppm
Operating Conditions -32 - 122
̊
F; (0 - 50
̊
C) 0 - 95%RH, Non Condensing
Storage Conditions -32 - 122
̊
F; (0 - 50
̊
C)
Net Weight
202.6g
7.15oz
Dimensions
95(W)x140(H)x30(D)mm
3.7(W)x5.5(H)x1.2(D)inch
