DRI-STEEM GTS Humidifier Installation, Operation, and Maintenance Manual • Page 43
Installation
Figure 43-2:
Single tube dispersion with condensate drain
OM-351b
Mounting
bracket
Thermal-resin tubelets
(steam orifice inserts)
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
GTS humidifier
Duct
½" (DN15) O.D. condensate drain tube,
pitch ¼"/ft (2%)
H (see table, Page 20)
5" (127 mm)
water seal
6" (152 mm)
minimum
½" (13 mm)
air vent
Mounting
nut, 3/8"
(M10)
90º long sweep or
two 45° elbows
Pitch tube
toward drain
1/8"/ft (1%)
Vapor hose, tubing,
or pipe
Pitch (See Notes)
¼" pipe thread (DN8)
OM-1215b
Figure 43-1:
Single tube with condensate returned to humidifier
Secure and seal
escutcheon plates
Maximum capacity of dispersion tube:
• 1½" dia. (DN40): 56.8 lbs/hr
(25.8 kg/h)
• 2" dia. (DN50): 85.2 lbs/hr
(38.6 kg/h)
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 humidifier
or wasted to a drain. See the previous page for piping condensate to a drain.
Notes:
1 Assemble multiple dispersion tubes or use a Rapid-sorb or Ultra-sorb dispersion
assembly where necessary to accommodate maximum humidifier load.
2 The smallest GTS humidifier steam outlet is 2" (DN50). Install an adaptor manifold
if using multiple 1½" (DN40) dispersion tubes. See also Table 37-1.
3 Pitch vapor hose, tubing or pipe toward humidifier:
– 2"/ft (15%) when using vapor hose
– ½"/ft (5%) when using 1½" (DN40) tubing or pipe
– ¼"/ft (2%) when using 2" (DN50) tubing or pipe
4 Dashed lines indicate provided by installer
Dispersion tube
6" (152 mm)
minimum
Dispersion:
Single tube and multiple tube
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