Specifications
29
VAPORMIST INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
DC-1449
Dispersion:
Single dispersion tube
with condensate drain
Mounting nut
3/8" - 16 (M10)
Vapormist humidifier
Duct
Secure and seal
escutcheon plates
90° long sweep
or two 45° elbows
Pitch tube toward
drain 1/8"/ft (1%)
1/2" O.D. (DN15) condensate drain tube.
Pitch 1/4”/ft (2%) toward escutcheon plate.
3/4" (DN20) (minimum) condensate drain tube by
installer. Must be suitable for 212 °F (100 °C) water.
1/4" NPT (DN8)
6" (150 mm)
recommended
Water seal
5" (125 mm)
1" (25 mm)
air gap
Steam hose or tubing. Insulate
tubing to reduce steam loss. Do
not insulate steam hose. See Table
19-1 for maximum piping lengths.
Pitch*
Open drain required. Locate air gap only in spaces with adequate
temperature and air movement to absorb flash steam; otherwise,
condensation may form on nearby surfaces. Refer to governing codes for
drain pipe size and maximum discharge water temperature.
INSTALLATION
Dashed lines indicate provided by installer.
See the first bullet in
Installation notes.
OM-351-1
Condensate drain
A
Dispersion tube
Dimension A:
• 3.25" (82.5 mm) for 1½" tubes
• 5" (127 mm) for 2" tubes
A
Escutcheon plates
mc_062810_0725-VM
Table 29-1:
Single dispersion tube capacities
Tube size
Insulated
(High-Efficiency Tubes)
Uninsulated
Without drain With drain Without drain With drain
inches DN lbs/hr kg/h lbs/hr kg/h lbs/hr kg/h lbs/hr kg/h
1½ 40 29 13.2 65 29.5 28 12.7 62 28.2
2 50 65 29.5 97 44.1 62 28.2 93 42.3
Notes:
• Single dispersion tube available with face width between 6" (152 mm) up to 120"
(3048 mm) in 1" (25 mm) increments.
• If face width is <19" (483 mm), tube capacity may be reduced. Consult DriSteem or see DriCalc for the correct capacity.
• Hose kits are available that include dispersion tube, 10 ft (3 m) of steam hose, and hardware
* Pitch steam hose or tubing toward humidifier:
– 2"/ft (15%) when using steam hose
– 1/2"/ft (5%) when using 1½" tubing
– 1/4"/ft (2%) when using 2" tubing
A
A
Single dispersion tube
FIGURE 29-1: SINGLE DISPERSION TUBE WITH CONDENSATE DRAIN