Steam Connections Checklist - Nortec EL005 Installation Manual

5.5.4

Steam Connections Checklist

Check the following to ensure that the steam connections for the humidifier have been installed correctly:
Steam Line
… Observed all best practices?
… Steam line exceed maximum length specified in
… Minimum bend radius of 12 in (300 mm) for steam hose, or 5× internal diameter for rigid pipes
maintained?
… Steam line sized correctly?
… Backpressure in the line combined with duct static pressure exceed 5.5 in H2O (1.37 kPa), or
10 in H2O (2.49 kPa) with the optional Fill Cup Extension?
… Steam lines run straight up from the humidifier steam outlet for at least 12 in (300 mm) before bend?
… Steam line have a constant minimum upslope of 2 in/12 in (10°), or a constant minimum downslope
of 1/2 in/12 in (2°)?
… Steam lines do not reduce in diameter except, if required, at the steam distributor, and condensate
line installed just before the restriction?
… Steam lines do not merge except at the steam distributor through a Nortec adaptor?
… Steam line does not sag or kink? Supported adequately? Any low points in line without condensate
trap?
… If a steam hose is used, is it attached securely with clamps? Clamps secure without crushing steam
line?
… Allowances for thermal expansion during operation, and shortening of the hose due to aging taken
into consideration?
Condensate Line
… Local codes on drain water temperature requirements have been satisfied?
… Condensate line from the steam distributor condensate port connected to the humidifier fill cup port,
or the drain?
… Condensate lines installed at all low points, and at vertical transitions in the steam line?
… Condensate lines in the steam line always connect to full-size "T" connectors?
… Condensate traps have a minimum loop height of 8 in (200 mm) and installed at least 12 in (300 mm)
below the "T" connector or steam distributor?
… All condensate lines have a constant minimum downslope of 1 in/48 in (1.2°)?
… Maximum distance between the condensate traps on long runs is 15 ft (4.5 m)?
… Condensate traps primed with water?
Nortec EL
Table 6 on page
2582302_C_EN_1611
28?
Installation
35