Nortec MES2 User Manual
Page 11
Introduction | 8
Table 3: MES2 Components
Component
Function of Component
Bracket, Remote
Electrical
Supports the control components for MES2 models which have remote
electronics (REM).
Capacity Adjustment
Potentiometer
Adjusts the maximum output of the humidifier from 100% down to 20%.
See Figure 22: Capacity Potentiometer Adjustment on page 26.
Condensate Return Provides a connection to return condensate to humidifier.
Control Connection
Terminals
Terminals on the control board for connecting external controls to
humidifier.
Current Sensor
Measures the amount of current flowing through the cylinder’s
electrodes.
Cylinder
Holds electrodes in water. Current between electrodes generates heat
used to generate steam.
Cylinder Plug
Power connectors to electrodes in cylinder. Installer must connect wires
from contactor to cylinder plugs. (PVW model has wires installed).
Cylinder Tie Wrap
Holds cylinder in place, reusable.
Drain Outlet / Canal Combines cylinder drain water and fill cup overflow into a single drain
outlet.
Drain Pan
Collects any water which may leak from water connections and routes it
to drain.
Drain Valve
Drains water from humidifier.
Control Board
Controls all functions of the humidifier’s operation and provides input
and output connections to humidifier components.
Electrical Cover
Covers the control board and wiring on MES2 models with closed
electrical (CE).
Fill Cup
Provides an air gap for backflow prevention.
Fill Inlet
1/8 NPT brass fitting for connecting supply water to the humidifier.
Fill Valve
Controls flow of water into humidifier.
Ground Clamp
Electrical ground connection for humidifier.
High Water sensor
Plug
Used to detect max water level in cylinder.
On/Off/Drain Switch Turns power on/off to humidifier controller and drains the cylinder for
servicing. Note: Turn off humidifier disconnect to shut off primary power
to the humidifier.
Plumbing
Enclosure/ Door
The optional plumbing enclosure completely encloses the humidifiers
water components.
Power Relay
Turns on/off power to the contactor (supplied by others) based on a
signal from the humidifier’s controller (mounted on control board).
Status Lights
Indicate if the humidifier is operating. If the humidifier is shut down on a
fault the yellow LED flashes in sequence to indicate the fault that
occurred.
Steam Outlet
Outlet for steam generated by the humidifier. Connect to the outlet with
a steam hose and hose clamp.