Set P450 (Control strategy) = 0 and P009 (Additional display information) to the
requested IAQ information on the display.
When P009 is set as the following, CO
2
information is displayed as numeric
(concentration in ppm) or as text (GOOD, POOR, BAD) value, together with the
IAQ symbol :
● P009 = 6: Indication CO
2
concentration in ppm
● P009 = 7: Indication indoor air quality level as text, e.g. GOOD
● P009 = 8: Indication humidity (%) and CO
2
concentration (ppm)
● P009 = 9: Indication humidity (%) and IAQ level as text, e.g. GOOD
When P009 is set as 8 or 9, the alternate display interval of humidity and IAQ value
is 10 s.
Note: After power is on, CO
2
measured value is not stable until 5 minutes later.
Selection P009 = 6 or 8: Indication CO
2
concentration in ppm
The CO
2
concentration in ppm is shown on the second line with the IAQ symbol .
Maximum display: 5000 ppm
Selection P009 = 7 or 9: Indication indoor air quality level as text
The indoor air quality level is shown on the second line as follows.
• IAQ monitoring (P450 = 0 or 1)
CO
2
concentration < 800 ppm
• IAQ control (P450 = 2 or 3)
CO
2
concentration < IAQ setpoint (P023)
• IAQ monitoring (P450 = 0 or 1)
CO
2
concentration is between 800 and 1200 ppm.
• IAQ control (P450 = 2 or 3)
CO
2
concentration is between "IAQ setpoint (P023)" and "IAQ setpoint (P023)
+ P-band Xp (P454, P456)".
• IAQ monitoring (P450 = 0 or 1)
CO
2
concentration > 1200 ppm
• IAQ control (P450 = 2 or 3)
CO
2
concentration > "IAQ setpoint (P023) + P-band Xp (P454, P456)"
The "CO
2
display text" and MENU, e.g. scheduler, can be shown in different
languages by selecting P031 (Language).
The indication has a maximal length of 4 digits.
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