Honeywell HE420A User Manual
He420a steam power humidifier, Application, Features
PRODUCT DATA
68-0192-4
HE420A Steam Power Humidifier
APPLICATION
The HE420A Steam Power Humidifier uses a thermal fan
interlock control to provide humidification for the whole house.
The steam power humidifier is designed to work with high
efficiency furnaces, heat pumps and set back thermostats.
FEATURES
• Humidifies the air without a call for heat from the
thermostat so relative humidity fluctuates less,
optimizing homeowner comfort.
• Ideal for homes with extensive woodwork, hardwood
floors, antiques, oil paintings, leather furniture, pianos,
and fine collectibles.
• Capable of humidifying a large area.
• Compact size allows easy installation.
• Minimal amount of water needed for energy efficient
operation.
• Low water cut-off switch and built-in overflow
protection are integral safety features.
• Automatic Flushing Timer reduces frequency of
maintenance in a hard water installation.
Contents
Application ........................................................................
Features............................................................................
Specifications ....................................................................
Ordering Information .........................................................
2
Installation.........................................................................
Wiring................................................................................
Plumbing Humidifier..........................................................
Set Water Level ................................................................
Finish Mounting and Plumbing Humidifier ........................
Installing Automatic Flushing Timer .................................
Checking the Installation...................................................
Operating the Humidifier ...................................................
Operation ..........................................................................
Maintenance .....................................................................
Checkout Procedures .......................................................
Troubleshooting ................................................................
Replacement parts............................................................