35
XT SERIES INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Rapid-sorb with Models XTP 025 through 048
OM-7696
Duct
XT Series humidifi er
Air
fl ow
Slip coupling or hose cuff
90° long sweep
or two 45° elbows
3/4" (DN20) copper
6" (150 mm)
recommended
Header pitch:
1/8"/ft (1%)
minimum
1" (25 mm) air gap
5" (125 mm) recommended
Condensate drain:
3/4" pipe thread (DN20)
Support bracket has
0.421" (11 mm)
mounting holes at top,
bottom, and end)
• 2"/ft (15%) when using steam hose
• ¼"/ft (2%) when using 2" tubing
Notes:
1. Use a hose cuff and clamps to connect steam outlet to tubing.
2. See installation procedure on Page 37.
3. Dashed lines indicate provided by installer.
Open drain required:
Locate air gap only in spaces with adequate
temperature and air movement to absorb fl ash
steam; otherwise, condensation may form on nearby
surfaces. Refer to governing codes for drain pipe size
and maximum discharge water temperature.
Tubing must be grounded.
Insulate tubing to reduce
steam loss. See Tables
26-1 and 27-1 for
maximum tubing lengths.
See Notes.
L-bracket. Install with fl ange facing upstream direction of airfl ow.
Drawing shows L-bracket correctly positioned for airfl ow.
Dispersion tube. Orient with tubelets perpendicular to airfl ow.
Secure and seal
escutcheon plates.
WARNING
Hot surface and steam hazard
Dispersion assembly and steam hose or tubing can contain steam, and surfaces can be hot. Discharged steam is not visible.
Contact with hot surfaces or air into which steam has been discharged can cause severe personal injury.
FIGURE 35-1: RAPID-SORB IN A HORIZONTAL AIRFLOW WITH HEADER INSIDE THE DUCT
INSTALLATION
Dispersion: