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TrueSTEAM
Honeywell wants to make sure you know what to expect from your new TrueSTEAM installation. Make sure you
discuss these items with your Professional Installer:
Achieving Humidity Setpoint.• It may take up to a week of continuous operation to initially achieve the
humidity setpoint. This depends on factors such as weather, size of home, furnishings in the home, and
insulation. Once this is achieved, TrueSTEAM should not have to run as much to maintain humidity.
Plastic or Rubber Odor.• When the humidifier starts up after the initial installation, it is normal to smell a slight
plastic odor in the home. If the remote hose is used, there may be a slight rubber odor. These odors will go
away within a few days.
Ideal Humidity.• 35% relative humidity in typical winter weather is considered ideal for indoor comfort by
industry experts. You can adjust to your own comfort or until there is condensation on the windows. Lower the
setpoint if condensation appears.
Unit Not Humidifying.• If TrueSTEAM is not running but the humidity is below the desired setting, the humidity
control may have a frost protection setting. See “What is a frost setting?” on page 12. Note that TrueSTEAM
will not humidify while in an automatic flush cycle.
Setpoint Not Reached. • If humidity doesn’t reach the setpoint, TrueSTEAM may be under-sized for the home.
This can be due to insulation, windows, arid climate, and other environmental factors. Also, the outdoor
temperature may be too low to maintain the humidity level. If the desired humidity is still not reached, then a
larger capacity TrueSTEAM may be needed.
Home Ventilation.• Excessive ventilation exhausts humidified air and replaces it with dry air. This can make it
hard to maintain the humidity setpoint. If you are installing a ventilator, use a solution that retains moisture. An
Energy Recovery Ventilator (ERV) is recommended.
Cleaning Required Light.• If the Cleaning Required light is on, clean TrueSTEAM using the steps found in
“How do I clean the tank?” on page 16. TrueSTEAM will continue to run normally while the Cleaning Required
light is on.
Hard Water.• Your home’s water hardness determines how often TrueSTEAM must be cleaned and how often
the water filter needs to be replaced.
Energy Consumption.• You may notice a slight increase in overall energy consumption when operating any
humidifier. However, TrueSTEAM will make the home feel warmer. This allows you to lower the temperature
setting on the thermostat. Every degree lower on the thermostat can save up to 3% on heating costs.
What should I expect from my TrueSTEAM?
TrueSTEAM Humidification System 69-2286EFS—03
10