Nortec SETC Outdoor - Manual (Page 7)

Introduction | 4
Description of SETC Outdoor Specific Components
Table 1: SETC Outdoor Humidifier Components
Component Function of Component
Auxiliary Drain
Outlet Drains water from tank in case of pump failure or in case of fault or
power failure if freeze protection valve is installed.
Cabinet Drain Drain outlet for integrated cabinet drain pan (outdoor unit only). Drain
to rooftop.
Cabinet Thermostat Sensor that activates the heaters if the cabinet temperature is too cold
for the electronics (will not prevent the tank and water components
from freezing).
Condensate Drain Drains condensate formed from boiler steam in the heat exchanger(s).
(routed to pipe chase).
Drain Outlet Drain port used for draining water from the humidifier tank.
Electrical Conduits Two sealed conduits which provide a way for bringing electrical power
routed up through the pipe chase to an external disconnect.
Exhaust Fan Cooling fan which is activated if the electrical cabinet gets too hot.
Fill Connection 1/2 in. NPT connection to the humidifier fill valve.
Freeze Protection
Valve
A normally open valve part of the freeze protection package. It allows
the tank to drain in case of power failure or in case of a fault when
humidifier operation cannot keep the humidifier warm enough to
prevent freezing.
Heater Electrical cabinet heater used to keep electronics warm enough for
operation and cold weather start up only.
Lifting Hooks Hooks provided for lifting the humidifier.
Mounting Panel A panel provided on the outside of the humidifier for mounting a
dedicated external disconnect.
Outdoor Cabinet An enclosure that provides protection from precipitation and allows the
SETC to be installed outdoors.
Outdoor Mounting
Base An integrated support for the humidifier which includes a drain pan
(outdoor unit only), a pipe chase, and a means for curb mounting the
humidifier.
Pipe Chase An opening in the outdoor cabinet’s drain pan which is used for routing
electrical power, controls, boiler steam, boiler condensate, fill water,
and drain water through the base of the humidifier.
Steam Inlet Connection for boiler steam, it is connected to the heat exchangers.
Steam Outlet Outlet for steam produced by the humidifier. Connect to steam line
with steam hose.
Note: See Humidifier Components on page 3 of the SE Series Installation manual for a
description of other SE components.