Honeywell AUTOMATIC CONTROL SI Edition

ENGINEERING MANUAL OF AUTOMATIC CONTROL
AIR HANDLING SYSTEM CONTROL APPLICATIONS
262
ASHRAE Psychrometric Chart No. 2.
0
TOTAL HEAT
SENSIBLE HEAT
∞
-
∞
40
20
10
8
6
4
2
0
-2
-5
-10
-20
1.0 1.0
1.2
1.4
1.6
1.8
2.0
4.0
-4.0
∞
0.9
0.8
0.7
0.6
0.5
0.4
0.2
∆ H
s
∆ H
t
∆ h ∆ W
ENTHALPY
HUMIDITY RATIO
M15335