Dri-Eaz Dri-X Airchanger Owner's Manual - Page 10

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by the fact that the relative humidity outdoors is
lower. The outdoor air is holding more moisture
(128 gpp compared to 99 gpp indoors). Do not use
the Airchanger in this situation. Use the unit only
where the outdoor air is drier than the indoor air,
that is, when outdoor gpp or specific humidity is
lower.
Example 4. Assume that in a Phoenix summer,
your 24-hour average outdoor conditions are 75°F
and 22% Rh, or 28 gpp. Indoors your measure-
ments are 70°F and 55% Rh, or 60 gpp. The dif-
ference is 32 gpp, so the water removal is about
113 pints or 14 gallons per day.
The following table should help determine
whether the general weather conditions are suit-
WATER REMOVAL AT STANDARD INDOOR CONDITIONS
OUTDOOR TEMPERATURE
Fahrenheit
Centigrade
0 ° F
-18 ° C
20 ° F
-7 ° C
32 ° F
0 ° C
40 ° F
4 ° C
50 ° F
10 ° C
60 ° F
16 ° C
70 ° F
21 ° C
80 ° F
27 ° C
100 ° F
38 ° C
0 ° F
-18 ° C
40 ° F
4 ° C
80 ° F
27 ° C
COPYRIGHT _ DRI-EAZ PRODUCTS, INC. 1997
Removal at indoor conditions of 70°F (21°C) and 70% Rh
100% Rh
31
27
22
18
11
0
-15
-35
-99
Gray areas indicate negative humidity reduction – turn off unit during these conditions.
Removal at indoor conditions of 80°F (27°C) and 60% Rh
37
25
-28
able for using the Dri-X. Please note that these
figures apply ONLY at the indoor conditions
given. For other indoor temperature and/or hu-
midity conditions, use the Water Removal Chart
above or the Dri-X Airchanger Calculator.
Removal or alteration of the grounding plug, or
use of an adapter that defeats the unit's electrical
grounding, can create risk of serious personal in-
jury or fire in the event of damage to or malfunc-
tion of this product. Do not use the Dri-X
Airchanger if you cannot connect it to a receptacle
that accepts a three-pronged plug. If you are un-
sure whether a receptacle is grounded, consult a
qualified electrician.
OUTDOOR HUMIDITY
80% Rh
60% Rh
WATER REMOVAL IN GALLONS PER DAY
32
32
28
30
25
27
21
24
15
20
7
14
5
-5
-21
-7
-71
-44
38
38
28
31
-14
0
10
Danger
40% Rh
33
31
29
28
25
20
15
7
-17
39
34
14
20% Rh
33
33
32
31
29
27
24
21
9
40
37
27