Pitch
Obstruction
90° long
sweep or two
45° elbows
6" min
8" min
Insulate hard pipe to
reduce steam loss
To
Dispersion
Tube
1" air gap
Open drain required,
see note 1.
Drip tee installation for
piping over obstruction,
or if dispersion tube is
.
NOTES:
1. Refer to governing codes for
drain pipe size and materials.
2. Support steam hose so there
are no sags or low spots.
Drip tee
Part #5628RP
Drain trap
FIGURE 4 – Dispersion Tube Mounted Below Humidifier
90-1703
FIGURE 5
90-1705
Steam Hose
Tube
Steam Hose
1-1/2" Hose Clamp
1-1/2" Hose Clamp
1" Copper Pipe
3/4" x 1"
Humidifier
#5628RP KIT
CONTENTS:
Hose Clamps (5)
Trap (1)
Tee Assembly (1)
Steam Hose
1" I.D.
(Downward
Slope from
Humidifier
to T
ee)
Tee
Assembly
Flared
End
Trap
Note: Prime with water
before using humidifier
Hose Clamp
Hose
Clamp
Hose Clamp
To Steam
Dispersion Tube
Steam
Hose
1" I.D.
Steam Hose, 1" I.D.
(Downward Slope to Tee)
Drain Hose
7/8" I.D.
Steam
Humidifier
FIGURE 6
90-1844
If the dispersion tube must be mounted below the humidifier or
if the steam hose needs to run up and over an obstruction, a drip
tee with drain trap, Part #5628RP, must be installed as shown in
Figure 4.
NOTICE
CONTROL CONDENSATE FLOW AND COLLECTION.
Failure to follow steam hose recommendations in this
manual can result in reduced or erratic performance,
increased noise and condensate in the duct.
DISTANCE FROM HUMIDIFIER TO DISPERSION TUBE
The capacity of the humidifier is reduced by the length of
the steam hose or pipe due to condensation. The maximum
recommended length of steam hose is 6 feet. Use hard pipe
insulated with 1” thick insulation rated for 212°F or higher
for lengths greater than 6 feet. Table 4 provides humidifier
capacity with various lengths of steam hose and pipe. If 6-foot
steam hose does not reach from humidifier to dispersion tube,
splice in 1” copper pipe using 3/4” x 1” reducing couplings as
shown in Figure 6.
INSTALLATION INSTRUCTIONS (CONTINUED)
9
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