Centralized Controller
31
Fig. 5.6 Page of Fresh Air Control
No.
Name
Instruction
①
Parameter
display zone of
air box
Display indoor PM2.5, CO
2
and humidity. “- -” will be
displayed when air box is not connected
Upper and lower limits of PM2.5, CO
2
and humidity
display keep the same as those in Section 6.2.5
②
Fresh air inlet
temperature
Display fresh air inlet temperature
③
Unit operation
mode
Means bypass mode or low
temperature mode
Means discharge mode
Means heat exchange mode
④
Air quality class
Air quality is classified into six classes, which are
excellent, good, moderate, bad, heavy pollution, serious
pollution
⑤
Return air inlet
temperature/fresh
air outlet
temperature
Display fresh air return temperature/fresh air outlet
temperature
（
1
）
On/Off
Press On/Off button to turn on or turn off the unit.
When the unit is off, mode and fan speed cannot be set. Operation mode and
inlet fresh air temperature are not displayed.
Summary of Contents for CE52-24/F(C)
Page 50: ......
