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Page 22
2008-10-01
(c) Once the unit has reached an appropriate temperature it will resume normal
operation.
3. OPERATION AND ADDITIONAL MAINTENANCE
A. OPERATION
(1) NH Outdoor series humidifiers are operated in the same manner as their indoor
counterparts. Please refer to the NH Series Installation guide for more details.
B. ADDITIONAL MAINTENANCE
(1) In addition to the maintenance items listed in this guide, the NH Series Installation
Guide lists other maintenance items that apply the entire NH Series (indoor and
outdoor). Refer to the NH Series Installation Guide for further details and
procedures.
4. WEATHER DESIGN DATA
A. WEATHER DATA
(1) The following weather design data is provided to assist in determining suitable
locations for rooftop mounting of the NH Series Outdoor models. Climates that see
very cold winter conditions are not good candidates for rooftop NH units. It is NOT
recommended to install the humidifier in areas that reach below 14°F (-10°C)
during January, or above 122°F (50°C) during July (see table below). These
harsh climates can cause required maintenance to be difficult to perform and
increase the risk of the humidifier freezing or overheating.