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Installation, Operation & Maintenance
The Merlin CO2 TFT is designed to monitor carbon dioxide (CO
The monitor has a digital traffic light style display indicating the carbon dioxide levels and temperature in the area.
When CO
gas or temperature reaches alarm state – this device is able to automatically drive ventilation reducing CO
2
and/or temperature.
The information contained within this manual should be referenced for typical installation and operation only.
For specific requirements that may deviate from the information in this manual – contact your supplier.
Rev 1 05-21
Merlin CO2 TFT
Carbon Dioxide & Temperature Monitor
CO
measured and displayed in parts per million (PPM).
2
Temperature can be displayed in degrees Celsius (°C) or Fahrenheit (°F).
0-10V Signal Output progress bar display.
Monitor, record and display average CO
User friendly settings menu.
Pre-alarm and alarm relay output.
Fan controller enabled relay output.
Dual power input 110-120vac or 12-24v ac or dc.
End of Life notification for CO
Automatically switch between ventilation programs when gas is used.
Boost, Mute and Wake Up feature.
Installation, Operation & Maintenance
Please read this manual carefully and retain for future use.
concentration over 8 hour periods.
2
sensing element.
2
) in the air and temperature.
2
Merlin CO2 TFT
2
1
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Related Manuals for CGS Merlin CO2 TFT
Summary of Contents for CGS Merlin CO2 TFT
- Page 1 Installation, Operation & Maintenance Please read this manual carefully and retain for future use. The Merlin CO2 TFT is designed to monitor carbon dioxide (CO ) in the air and temperature. The monitor has a digital traffic light style display indicating the carbon dioxide levels and temperature in the area.
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Page 2: Table Of Contents
Installation, Operation & Maintenance Merlin CO2 TFT Content Important Warning Statements ....................3 Installation ..........................4 Typical Location & Positioning ........................ 4 Access & Mounting ..........................4 Board Overview ............................4 Wiring your CO2-TFT ..........................5 Configuration Settings ..........................6 Configuration ............................. -
Page 3: Important Warning Statements
WEEE marked products must not be mixed with general household waste, but kept separate for the treatment, recovery and recycling of the materials used. Please contact your supplier or local authority for details of recycling schemes in your area. Alternatively, CGS products can be securely packaged and returned clearly marked for disposal. Rev 1 05-21... -
Page 4: Installation
Installation, Operation & Maintenance Merlin CO2 TFT Installation Typical Location & Positioning Consider the coverage required and function of the area. Emphasis should be placed on airflow patterns and correct placement, not perceived detecting ranges. The target gas will only be identified when contact is made with the sensing element itself. -
Page 5: Wiring Your Co2-Tft
Installation, Operation & Maintenance Merlin CO2 TFT Wiring your CO2-TFT MAINS POWER/LINE IN (110-120vac option) Single-phase mains power is supplied to the [POWER/LINE IN] connector. LINE & NEUTRAL ONLY. GAS VALVE INPUT It is possible for your CO2 TFT to receive a signal from a gas solenoid valve via Live & Neutral terminals on our merlin panels when wired parallel. -
Page 6: Configuration Settings
Installation, Operation & Maintenance Merlin CO2 TFT 0-10V ANALOGUE OUTPUT 1 & OUTPUT 2 These connections are used to regulate external fan speed controllers (supplied separately). Connect direct to fan speed controllers or via your Merlin panel [0- 10V] terminal if available. Minimum voltage output can be configured in settings menu from zero to 5 volts. -
Page 7: Factory Set Condition
Installation, Operation & Maintenance Merlin CO2 TFT MIN 0-10 OUT 1 BOOST (MIN.) Analogue output minimum voltage. Analogue outputs at optimum voltage Select: 0, 1, 2, 3, 4, 5 volt/s (10V) for number of minutes. Boost can be activated only if analogue outputs are set to either CO2 or DUAL mode only. -
Page 8: Operation
Installation, Operation & Maintenance Merlin CO2 TFT Operation Initial Power-Up & Indicators On connecting power, the CO2-TFT monitor enters a stabilisation phase for approximately 60 seconds – during this period, your device not yet ready for operation. CARBON DIOXIDE READING Current CO gas level in parts per million (ppm). -
Page 9: Traffic Light Indicator
Installation, Operation & Maintenance Merlin CO2 TFT Traffic Light Indicator Your CO2-TFT displays both current CO and temperature levels in a traffic light style indication. DANGER! SAFE ATTENTION! High CO levels or temperature will Safe CO levels or temperature will... -
Page 10: End Of Operational Life (Eol)
Installation, Operation & Maintenance Merlin CO2 TFT End of Operational Life (EOL) This message indicates that the CO2 TFT monitor has reached its expected operational lifecycle. No gas or temperature levels will be displayed. The expected lifetime is 10 years. -
Page 11: General Specification
Installation, Operation & Maintenance Merlin CO2 TFT General Specification General Product: CO2 TFT Green (Safe), Yellow (Special State) & Red (Alarm). Detected CO2 Level. Time Weighted Average CO2 Indicators (1.8” TFT Screen) Level (TWA). Temperature. Mute. Ventilation Boost Active. End of Life. - Page 12 Stamp/Signature of the installer: Every effort is made to ensure the accuracy of this document; however, CGS can assume no responsibility for any errors or omissions in this document or their consequences. CGS would greatly appreciate being informed of any errors or omissions that may be found in the content of this document.