Installation, Operation & Maintenance Manual CO2-TFT
Rev 3 11-20
8
Configuration Settings
There is a settings switch on the CO2-TFT board.
Switch it on to prompt the on-screen menu.
Navigate the menu using the buttons on the board.
When changes have been made – turn the settings switch off.
[SEL.] button
Scroll through functions (highlighted red).
Change the desired setting when highlighted.
[OK] button
Highlights setting (red).
Press to save desired setting.
Menu Overview
VENT. TYPE
NAT. (Natural mode) – Recommended for buildings without mechanical ventilation.
MECH. (Mechanical mode) – Recommended for buildings with mechanical ventilation.
KITCH. (Kitchen mode) – Recommended for kitchen environments.
MIN 0-10 OUT
1 & 2
Minimum voltage output from the 0-10V Analogue out 1 & 2 terminals.
0-10V OUT
1 & 2
0-10V output can be driven by current CO
2
ppm
level only, by current temperature only or by the status of
both – whichever is the greatest.
BUZZER
The buzzer will operate as selected in KITCHEN ventilation type only. You can select the buzzer to beep
three times every 15 seconds, every 10 minutes or not at all when the alarm status is reached.
TEMP. UNITS
Select between measuring the temperature in degrees °Celsius or °Fahrenheit.
BOOST (MIN
.)
Analogue outputs will run at optimum capacity (10V) for time specified.
Select from 1 – 10 minutes. Outputs return to normal after the specified boost time.
FAN ENABLE
This relay will switch on a fan from the current CO
2
level only, by current temperature only or by the status
of both – whichever is the greatest.
BRIGHTNESS
There are three (3) levels of screen backlight brightness: LOW, MED and HIGH.
SCREEN SAVER
If ON is selected, the display will remain off and wake up at pre-alarm/ alarm status. To wake up the
screen for ten seconds press the touch button. If OFF is selected the display will remain on.
FACTORY RESET
Restores all settings to factory set condition.
