HM700A1000
33-00118—01 4
Fig. 2. Typical HM700 Installation.
SIZING
IMPORTANT
The HM700 should only be installed if it has been
sized properly. Do not use square feet when sizing
a humidifier installation. Instead, cubic feet must
be used, since the humidity is filling a volume of
space (width x length x height). Also, take into
consideration the “tightness” of a home’s
construction.
The HM700 produces 11 gallons per day (GPD) when run on
120 V and 22 GPD when run on 240 V. See Figures 15 for
details on configuring the HM700 to run on a different voltage.
Table 3 contains AHRI recommendations for humidity
requirements and Table 4 shows what humidifiers and output
configuration will satisfy the humidification requirements.
Table 3. AHRI Recommended Humidity (in gallons per day).
(Optional)
1 - R/HUM
2 - HUM
3 - C
4 - N/A
8 - AP
19 - Gf
20 - Rf
21 - N/A
1/8 NPT to
1/4 compression
or LDPE water
line
Construction
Type 8,000 ft
3
12,000 ft
3
16,000 ft
3
20,000 ft
3
24,000 ft
3
28,000 ft
3
32,000 ft
3
Tight 3.3 4.3 5.4 7.5 9.6 11.7 16
Average 7.6 9.6 11.8 16 20.3 24.4 33
Loose 11.7 14.9 18.1 24.5 30.8 37.1 50
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