45
VAPORSTREAM INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
OM-351b
Mounting bracket
Movable escutcheon plate. Plate can be
mounted within limits of 2.5" (64 mm).
¼" (DN8) pipe
thread end
½" O.D. (DN15) condensate drain
Vaporstream
humidifi er
Duct
½" (DN15) O.D. condensate
drain tube, pitch ¼"/ft (2%)
¾" pipe thread
(DN20) condensate
return connection
(on face plate)
H2 (see Table 23-1)
5" (127 mm)
water seal
2" (51 mm)
minimum
½" (13 mm)
air vent
6" (152 mm)
minimum
Mounting nut, 3/8" (M10)
90º long sweep or two
45° elbows
Pitch tube toward drain
1/8"/ft (1%)
Steam hose or tubing
Pitch*
¼" pipe thread
(DN8)
DC-1046b
Secure and seal
escutcheon plates
Condensate drain tube, by installer, ¾" DN20 minimum. Return line piping
material must be suitable for 212 °F (100 °C) water.
Note: Condensate may be returned to the humidifi er or wasted to a drain. See
Figure 43-1 for piping condensate to a drain.
* Pitch steam hose or tubing toward humidifi er:
– 2"/ft (15%) when using steam hose
– ½"/ft (5%) when using 1½" tubing
– ¼"/ft (2%) when using 2" tubing
Single tube and multiple tube
Dashed lines indicate provided by installer
INSTALLATION
Dispersion:
FIGURE 45-1: SINGLE TUBE WITH CONDENSATE RETURNED TO HUMIDIFIER
FIGURE 45-2: SINGLE TUBE DISPERSION WITH CONDENSATE DRAIN
Thermal-resin tubelets (steam orifi ce inserts)
Dispersion tube
