Introduction | 6
Outdoor Model
The outdoor model of the NHTC provides a weatherproof enclosure that allows the NHTC to be
installed on rooftops in moderately cool climates. Refer to the installation addendum that is
provided with the outdoor model to insure proper installation.
Options and Accessories
NORTEC provides a complete line of options and accessories for every humidification
application. The following options and accessories are available and may have been delivered
with your NHTC/PC humidifier. Refer to the installation instructions that came with the
accessories for their proper installation and operation.
Table 2: Options and Accessories
Option / Accessory Used For
Steam Distributors Adding steam into air ducts
Remote Blower Pack Adding steam into a space remote from the humidifier.
SAMe Steam Distribution Manifold Adding steam into air ducts where short absorption is required.
Digital or Analog Control Humidistats Controlling the output of the humidifier based on sensed RH (can
be mounted in the space being humidified or in the duct).
Digital RH Transducers Communicating RH in a space or duct to the humidifier
Digital or Analog High Limit Humidistats Preventing over humidification in a duct by shutting down or
throttling down the humidifier when duct RH gets high.
Air Proving Switches Insuring humidification only occurs when air is moving in a duct.
Fill Cup Extension Increasing the steam back pressure capability of an NHTC/PC
Drain Water Cooling Cooling drain water to less than 140 °F (60°C)
Foam Detection Kits Increasing the range of water quality in which an NHTC/PC can
operate.