Using The Dehum Terminal - Venstar T2900 Owner's Manual

Using the Dehum Terminal

If you configure a MISC output jumper for DEHUM, it may be
programmed to operate in one of two ways:
1) Normally Closed (NC):
DEHUM terminal to allow the fan to run in low speed when there
is a call for 1st stage cooling and the room humidity is greater than
the dehumidification setpoint.
2) Normally Open (NO): The thermostat will energize the DEHUM
terminal to allow the fan to run in low speed when there is a call
for 1st stage cooling only and the room humidity is greater than
the dehumidification setpoint.
Press the MODE button. While holding
MODE
the MODE, press the PROGRAM
button to enter Setup screens.
PROGRAM
Press the MODE button repeatedly
MODE
until this setup screen appears.
NC
Normally Closed (NC) =
DEHUM deenergized for
low speed fan.
Normally Open (NO) =
DEHUM energized for
NO
low speed fan.
Press the PROGRAM button to leave the Setup screens. If no buttons are
pressed, the display will leave the setup screens after 30 seconds.
Dehumidification N otes: The D EHUM t erminal w ill " release" a nd a llow
the fan to operate normally if there is call for 2nd stage cooling or if the call
for Cooling and/or Dehumidification has been satisfied.
The thermostat will de-energize the
Note: Press the
button momentarily
to move through the
setup screens. Press
and hold the
button to move back-
wards through the
setup screens.
Setup
13
DeHumidify
NC
Page 10.6
10
MODE
MODE
Press
PROGRAM