Honeywell VisionPRO 8000 - Control Humidification Level; Dehumidification - Residential

VISIONPRO
®
8000 WITH WI-FI
®
33-00096—01 60
Fig. 120.
NOTE: ISU 1014 gives the option to lockout ventilation
during calls for humidification. This helps main-
tain the desired humidity level.
Control Humidification Level
1. Touch MENU and select Humidification.
Fig. 121.
Fig. 122.
2. Select Auto.
Fig. 123.
3. Touch  or  to select humidity level.
4. Touch Done to save your settings. Touch Cancel to
ignore changes.
5. If frost or condensation appears on the windows, press
MENU, scroll down and select Window Protection.
Fig. 124.
6. Window Protection is set on a scale from 1–10. A setting
of 1 represents poorly insulated windows and a setting of
10 represents well insulated windows. A lower number
automatically reduces the humidity to help prevent frost
or condensation on your windows. Use a higher number
if indoor air seems too dry. To prevent frost/condensation
on your windows during cold outdoor temperatures,
poorly insulated windows require a lower Window Pro-
tection setting, which will limit how much your humidifier
can run.
7. After you set the Window Protection setting, check for
frost/condensation on your windows in the morning. If
frost/condensation is present, adjust the Window Protec-
tion setting to the next lowest number and check for frost/
condensation on your windows the next morning. Con-
tinue to adjust the Window Protection setting to a lower
number until frost/condensation is no longer present.
NOTE: Internet connection or wired outdoor sensor is
required for Window Protection.
NOTE: If humidification and dehumidification are setup
to operate in the same system mode (Heat, Cool,
Off), the thermostat will automatically enforce a
15% deadband between the humidification and
dehumidification settings. The thermostat will
automatically switch between humidification and
dehumidification to maintain the desired humidity
level.
Dehumidification - Residential
The thermostat reads the indoor humidity level and allows the
user to set a dehumidification setting. The thermostat controls
the humidity level using the cooling system or a whole house
dehumidifier.
If humidification and dehumidification are setup to operate in
the same system mode (Heat, Cool, Off), the thermostat will
automatically enforce a 15% deadband between the
humidification and dehumidification settings. The thermostat
will automatically switch between humidification and
dehumidification to maintain the desired humidity level.
Dehumidification using the Cooling System
When set for A/C with Low Speed Fan or A/C with High Speed
Fan, an overcooling limit can be set from 0 °F to 3 °F (ISU
907). 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.
If set for A/C with Low Speed Fan, configure U1 as normally
open or normally closed (ISU 905) and wire to the Low Speed
Fan terminal on the equipment. For example, if the U1 terminal
is normally closed, it will open when the thermostat calls for
dehumidification.
MCR34100
MCR34128
Humidification
Window Protection
MCR34129
Humidification
Off Auto