32
STS INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
INSTALLATION
• The steam outlet on the humidifi er is sized to the output of the humidifi er.
DO NOT use steam hose or interconnecting piping with an inside diameter
smaller than the humidifi er steam outlet.
• See maximum steam carrying capacities in Table 33-1.
• See the steam loss data in Table 33-2.
• See Table 36-2 for interconnecting tubing and pipe pitch requirements
for single tube and multiple tube applications. See Table 41-1 for
interconnecting tubing and pipe pitch requirements for Rapid-sorb
applications.
• If the humidifi er must be located higher than the dispersion assembly, use
the recommended installation shown in Figure 34-1.
• For single tube applications, see capacities in Table 35-1.
CONNECTING TO HUMIDIFIER WITH STEAM HOSE
• Support steam hose to prevent sags, or low spots, and to maintain a
minimum pitch of 2"/ft (15%) back to the humidifi er.
• Use DriSteem steam hose. Other manufacturers of steam hose may use
unacceptable release agents or material mixes that can affect humidifi er
system performance adversely. Using hose from alternative manufacturers
increases the possibility of tank foaming and accelerated aging. Foaming
causes condensate discharge at the dispersion assembly.
• Do not use steam hose in outdoor applications.
• Do not insulate steam hose. Insulation causes accelerated heat aging,
causing the steam hose to become hard and susceptible to failure due to
cracks.
CONNECTING TO HUMIDIFIER WITH TUBING
• Support interconnecting piping between the humidifi er steam outlet and the
dispersion system with pipe hangers. Failure to properly support the entire
steam piping weight may cause damage to the humidifi er tank and void the
warranty.
• 90° elbows are not recommended; use two 45° elbows, 1' (0.3 m) apart.
• Insulat tubing to reduce the loss in output caused by condensation.
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Important:
Failure to follow the recommendations in this
section can result in excessive back pressure on
the humidifi er. This will result in unacceptable
humidifi cation system performance such as
leaking gaskets, blown water seals, erratic
water level control, and spitting condensate
from dispersion tubes.
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Dispersion: Interconnecting piping requirements
