Honeywell HM700A1000, Installation Instructions Manual

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HM700A1000
33-00118—01 16
Component Function
Condensate Return Provides a connection to return condensate to humidifier.
Control Terminal Strip Terminal strip for connecting external controls to humidifier and interfacing with other equipment.
Cylinder Plug Power connectors to electrodes in cylinder.
Cylinder Holds electrodes in water. Current between electrodes generates heat used to generate steam.
Drain Canal Combines cylinder drain water and fill cup overflow into a single drain outlet.
Drain Valve Drains water from humidifier.
Control Board Controls all functions of the humidifier operation and provides input and output connections to
humidifier components.
Fill Cup Provides an air gap for backflow prevention.
Fill Valve Controls flow of water into humidifier.
High Voltage Terminal
Block
Primary power connection from remote disconnect to 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.
Power Relay Turns on/off power to cylinder electrodes based on a signal from the humidifier’s controller (mounted
on control board).
Steam Outlet Connect to steam line with steam hose.
Transformer Steps primary voltage down to 24 VAC for the controller and internal components such as the fill valve
and drain valve.