44
VAPORSTREAM INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Dispersion tube plate
Condensate drain plate
90° long sweep or two
45° elbows
Vaporstream humidifi er
2" (51 mm) minimum
Water seal
5" (127 mm)
Pitch
(see Note 2 below)
1" (25 mm) air gap
Open drain required. See Note 1 below.
Condensate drain tube, by installer, minimum ¾" (DN20);
must be suitable for 212 °F (100 °C) water
½" (DN15) O.D. condensate drain
tube; pitch ¼"/ft (2%)
Pitch tube toward
drain 1/8"/ft (1%)
3/8" (M10)
mounting nut
Duct
¼" (DN8)
pipe thread
Notes:
1 Locate air gap only in spaces with adequate temperature and air movement to absorb fl ash steam, or condensing on nearby surfaces my occur.
Refer to governing codes for drain pipe size and maximum discharge water temperature.
2 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
3 Dashed lines indicate provided by installer
DC-1046a
OM-351c
Secure and seal
escutcheon plates
Table 44-1:
Dispersion tube and condensate drain escutcheon plate dimensions
for 1½" tube
for 2" tube
inches
mm
inches
mm
A
1.51
38
2.03
52
B
3.25
83
5.00
127
C
0.75
19
0.75
19
D
3.25
83
3.25
83
B
D
B
D
A
(diameter)
C
(diameter)
INSTALLATION
Single tube and multiple tube
Dispersion:
FIGURE 44-1: SINGLE TUBE DISPERSION WITH CONDENSATE WASTED TO FLOOR DRAIN
Steam hose or tubing. Insulate tubing
to reduce steam loss. Do not insulate
steam hose.
FIGURE 44-2: DISPERSION TUBE AND
CONDENSATE DRAIN ESCUTCHEON
PLATES
Dispersion tube