Nortec GS - High Altitude De-Rating; Options; Accessories

13Product Overview
Nortec GS
2583703_EN_1608
4.3.1 High Altitude De-rating
All high altitude installations have a de-rating of the input capacity. All Canadian models have an auto-
matic 10% de-rating for installations between altitudes of 2000-4500 ft (610-1372 m). For U.S. models,
refer to Table 3 for the applicable de-ratings.
Table 3: High Altitude De-rating
Altitude
De-rating (%)
Feet (ft) Meters (m)
0-2000 0-610 0
2001-3000 610-915 8
3001-4000 915-1220 12
4001-4500 1220-1370 16
4501 and higher 1370 and higher Contact factory
4.4 Options
Table 4 shows the options for the Nortec GS humidier. Contact your Nortec representative for details.
Table 4: Nortec GS Series Options
Option Application
Mounting stand Stand for independent mounting of the Nortec GS humidier on the oor.
Natural gas or propane Factory-installed gas valve for using either natural gas or propane in the Nortec GS humidi-
er.
4.5 Accessories
Table 5 shows the accessories for the Nortec GS humidier. Contact your Nortec representative for details.
Table 5: Accessories for the Nortec GS Series
Accessory Application
Steam distributor – ASD,
BSD, CSD
Steam distribution system for use in an air duct.
SAM-e steam distribution
manifold, and mini SAM-e
Steam distribution system for use in an air duct where reduced absorption distance is re-
quired.
Blower pack (remote-
mounted)
For direct room humidication or use in conditioned spaces without a built-in air distribution
system. The Nortec GS 50/100 model can use a remote-mounted blower pack for steam
distribution (blower pack ordered as an accessory).
Digital or analog control
humidistat with either On/Off
or modulating operation
Input device used to meter the output of the humidier based on the sensed relative humidity.
The humidistat can be installed in the conditioned space that is being humidied, or within
the duct.
Digital RH transducer Input device used to communicate the relative humidity in a conditioned space or a duct to
the humidier.
Digital or analog high limit
humidistat with either On/Off
or modulating operation
Input device used to limit the output of the humidier by either shutting it down or throttling it
down when the humidity in the duct approaches the high limit.
Air proving switch Input device to ensure that humidication only occurs when air is moving through the duct.
Outdoor temperature sensor Input device used to communicate the outdoor temperature to the humidistat so that it can
lower the setpoint value during cold weather to prevent condensation on exterior windows/
surfaces.