Staging Control - Honeywell Home THX9321 Prestige 2.0 Manual

5. Select Normally Open or Normally Closed, and press
Next.
NOTE: For example, if a wet switch is normally open,
it will close when the device detects water. If
the wet switch is normally closed, it will open
when the device detects water.
Refer to the instructions packed with the dry
contact device to determine if it is normally
open or normally closed.
Fig. 190.
6. If you are creating a custom alert, type the alert name
into the text box and press Done. The alert name is
what appears on the Home screen when the alert is
detected. See Fig. 191. You can edit or confirm the
alert name after you enter it.
Installer
setup screen
Fig. 191.
THX9321 PRESTIGE
Home screen
95
®
2.0 AND THX9421 PRESTIGE
7. Type the custom alert message into the text box and
press Done. The custom alert message appears when
the orange alert button is pressed. See Fig. 192. You
can edit or confirm the alert message after you enter
it.
Installer
setup screen
Fig. 192.
8. Repeat steps 4–5 for the other Dry Contact, if neces-
sary.
Dry Contact Humidifier Lockout
This feature will automatically turn off the humidifier if full
drain pan or water leak dry contacts are tripped. Installers
can configure this setting in option 8095 of installer setup.
Fig. 193.

Staging Control

Differential Between All Stages
The thermostat provides Differential settings between all
stages. The equipment changes stages based on how far
the indoor temperature is from the setpoint. Differential
settings provide a way to balance comfort and
conservation.
Heat Differential
The indoor temperature must drop to the selected
differential setting before the thermostat will turn on the
stage of heating. For example, if stage 2 is set to 2 °F (1.0
°C), the indoor temperature must be 2 °F (1.0 °C) away
from the setpoint before stage 2 turns on. When set to
Comfort, the thermostat will use the stage of heating as
®
IAQ WITH EIM
User notification screen
68-0311—08