DriSteem XT-10 - Page 28

Page 26 • DRI-STEEM XT Series Electrode Steam Humidifier Installation, Operation, and Maintenance Manual
B
B
90° long sweep or
two 45° elbows
XT Series humidifier
Secure and seal duct
escutcheon plate
Pitch*
Maximum capacity of
dispersion tube:
• 1½" diameter (DN40):
28.4 lbs/hr (12.9 kg/h)
Tube pitch 2"/ft
(15%)
3/8" (M10)
mounting nut
Duct
Figure 26-1:
Single Tube dispersion without condensate drain
Notes:
* Pitch vapor hose, tubing or pipe toward humidifier:
– 2"/ft (15%) when using vapor hose
– 1/8"/ft (1%) when using tubing or pipe
• Dashed lines indicate provided by installer
Dispersion: Single Tube and
Multiple Tube (continued)
OM-7365
Single dispersion tube
without condensate drain
Dispersion tube
escutcheon plate
Vapor hose, tubing or
pipe. Insulate tubing
and hard pipe to reduce
steam loss. Do not
insulate vapor hose.
Table 26-1:
Dispersion tube escutcheon plate dimensions
Callout
for 1½" tube
inches mm
A 1.51 38
B 3.25 83
Table 26-2:
Pitch of dispersion tube(s) and interconnecting piping for Single Tube or Multiple Tube evaporative dispersion units*
Condensate drain
Type of
interconnecting piping
Diameter of
dispersion tube and
interconnecting piping
Pitch of
interconnecting piping
Pitch of
dispersion tube(s)
Pitch of
condensate drain
Without drain
Vapor hose 1½" (DN40)
2"/ft (15%)
toward humidifier
2"/ft (15%)
toward humidifier
No drain
Tubing or pipe 1½" (DN40)
1/8"/ft (1%)
toward humidifier
With drain
Vapor hose 1½" (DN40)
2"/ft (15%)
toward dispersion tube
1/8"/ft (1%)
toward
condensate
drain
¼"/ft (2%)
toward floor drain
Tubing or pipe 1½" (DN40)
½"/ft (5%)
toward dispersion tube
Note:
* When piping over an obstruction, see the drip tee installation illustration on Page 24.
A
(diameter)
Adapter
XT_IOM_Jan_2008.pdf 28 11/19/2009 10:13:38 AM