1.3
1.2
Indoor intake air Dry-bulb
1.1
temperature( )
1.0
0.9
0.8
0.7
0.6
-10
Outdoor intake air Wet-bulb temperature ( )
1.3
1.2
Indoor intake air Dry-bulb
1.1
temperature( )
1.0
0.9
0.8
0.7
0.6
-10
Outdoor intake air Wet-bulb temperature ( )
NOTE: The above curves are for the heating operation without any frost.
Heating capacity
-5
0
Total input (heating)
-5
0
61
5
10
5
10
15
20
26
15
26
20
15
15