Install Instructions

INDOOR AIR QUALITY (IAQ)
The following tables contain the Indoor Air Quality system settings and their details. Default settings are shown in bold. Some settings are only
present dependent upon the value of other settings. The use of an outdoor temperature sensor (recommended) enables additional Indoor Air Quality
functionality. Please refer to the Owner’s Manual for further information about control features.
Note: Refer to manuals for humidifier, dehumidifier, air cleaner, and ventilation products for recommended installation and operation.
TABLE 6: HUMIDIFIER SYSTEM SETTINGS
System Setting Description
Factory Default Settings (bold)
and Settings Range
Humidifier Installed?
No: Humidifier is not installed. Yes/On HVAC: Humidifier is installed on the HVAC
duct. Yes/Standalone: Humidifier is independent of the HVAC system.
No
Yes/On HVAC
Yes/Standalone
Display Button? Note: Only available if Humidifier Installed is set to No.
Yes
No
Outdoor Temperature Sensor Installed? Select if outdoor sensor is attached or not.
Yes
No
Automation
Humidifier Mode
Auto: Controls based on setting and outdoor temperature. Manual: Controls
based on RH% setpoint. (Auto mode is only available if Outdoor sensor is set to
Yes.)
Auto
Manual
Allowed Humidifier Operation
Selects when humidification is allowed to occur relative to heating and fan
operation. Without Fan allows humidification to occur without the HVAC fan.
This option should only be used when the humidifier is independent of the HVAC
system. Note: Without Fan is only available when Humidifier Installed is set to
Yes/Standalone.
Forces Fan
Heat Only
Heat or Fan
Without Fan
CAUTION: When Humidifier Operation is set to Without Fan, the control will turn on humidification without energizing the HVAC fan. Do not select this option
when the humidifier is installed on the HVAC duct. Without airflow, moisture can accumulate in the duct resulting in significant damage. Humidity Deadband
Select the minimum difference between the humidifier and dehumidifier setpoints. (Only available if both a humidifier and dehumidifier are installed.)
Humidity Deadband
Select the minimum difference between the humidifier and dehumidifier
setpoints. (Only available if both a humidifier and dehumidifier are installed.)
10%
10 to 20%
Humidifier Reminder Selects when the Change Water Panel message is displayed.
Off
300h Valve
600h Valve
1 per season
2 per season
Single or First Reminder Appears
Determines the month the first (or only) Change Water Panel message is
displayed.
October
November
December
January
February
March
April
May
June
July
August
September
Second Reminder Appears Determines the month the second Change Water Panel message is displayed.
October
November
December
January
February
March
April
May
June
July
August
September
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