Bryant HEAT RECOVERY VENTILATOR HRVBBLHA - Manual (Page 7)

7
P
SYCHOMETRI
C
CHAR
T
.025 .024 .023 .022 .021 .020 .019 .018 .017 .016 .015 .014 .013 .012
.95 .90 .85 .80 .75 .70 .65 .60 .55 .50 .45 .40 .35
.011 .010 .009 .008 .007 .006 .005 .004 .003 .002 .001 0
Sensib
le
heat factor
P
ounds of moisture
per pound of dr
y air
7
8
9
10
11
12
32
33
34
35
36
37
38
39
40
41
42
43
44
45
47
48
49
46
27
28
29
30
31
19
20
21
22
23
24
25
26
12
13
14
15
16
17
18
W
et Bulb
,
De
wpoint or
Satur
ation
Temper
ature F
Dr
y Bulb
Temper
ature F
20 Belo
w 32
˚F
, proper
ties and enthalp
y de
viation lines are f
or ice
.
25
25
30
35
40
45
50
55
60
65
70
75
80
30
35
40
85
90
95
100
105
180 170 160 150 140 130 120 110 100
90 80 70 60 50 40 30 20 10 0
45
50
55
60
65
70
75
80
85
90
95
100
105
110
Enthalp
y at satur
ation, Btu per pound of dr
y air
Gr
ains of moisture
per pound of dr
y air
14.0 cu ft
14.5 cu ft per pound of dr
y air
13.5 cu ft
13.0 cu ft
12.5 cu ft
90% Relative Humidity
80%
70%
60%
50%
40%
30%
20%
10%
-.02 BTU
-.01 BTU
-.02 Btu
-.04 Btu
-.06 Btu
-.08 Btu
+0.1 Btu
+0.2 Btu
+0.3 Btu
+0.4 Btu
+0.5 Btu
80% 60% 40% 20%
Btu per pound of dr
y air -0.3 Btu
Enthalpy de
viation
A
989394
ER
V
/HR
V