CTK04 ComfortNet™ Communicating Thermostat
17
I/O-CHTSTAT03 69-2688—11
Humidification
The thermostat reads the indoor humidity level and allows the user to set a humidifi-
cation setting with or without window protection.
Window Protection
Window Protection limits the amount of humidity to prevent frost or condensation on
windows. Window Protection (ISU 8050) requires an outdoor sensor.
The maximum humidity level that is allowed ("Window Limit") is displayed on the
Humidification Settings screen. The thermostat prevents frost or condensation on
windows by not allowing the humidity to go above the Window Limit when it is con-
trolling the humidifier. This helps inform the user as to why their humidity setting
might not be reached at times. The Window
Limit is based on the current outdoor tempera-
ture and the user's window protection setting.
If Window Protection is turned Off, the ther-
mostat controls the humidity level to the user's
desired humidity setting. Frost or condensation
may appear on windows.
Dehumidification - Residential
The thermostat reads the indoor humidity level and allows the user to set a dehu-
midification setting.
When set up for dehumidification using the cooling system, an overcooling limit can
be set from 0 F to 3 F (ISU 9070). The thermostat uses the cooling system to reduce
humidity by lowering the temperature up to 3 F below the current cool setpoint until
the desired humidity level is reached.
To see all dehumidification options, press MENU > INSTALLER OPTIONS > VIEW/EDIT CURRENT SETUP >
DEHUMIDIFICATION.
To see all humidification options, press MENU > INSTALLER OPTIONS > VIEW/EDIT CURRENT SETUP >
HUMIDIFICATION.
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