Haier AB072MRERA Service Manual page 564

ERV0800ANN
Heat exchange ratio (%)
90
70
50
External pressure (Pa)
140
120
100
80
60
40
20
500 600 700 800
500 600 700 800
900 1000 1100
900 1000 1100
556
Heating
Cooling
1200 Air flow (m³/h)
High vent
Low vent
High speed
Low speed
Air flow (m³/h)
1200