Venstar T2900 - Manual (Page 52)

Page 10.6
Using the Dehum Terminal
Press the PROGRAM button to leave the Setup screens. If no buttons are
pressed, the display will leave the setup screens after 30 seconds.
PROGRAM
Press
Normally Closed (NC) =
DEHUM deenergized for
low speed fan.
Normally Open (NO) =
DEHUM energized for
low speed fan.
NC
NO
DeHumidify
Setup
If you configure a MISC output jumper for DEHUM, it may be
programmed to operate in one of two ways:
Dehumidification Notes: The DEHUM terminal will “release” and allow
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.
PROGRAM
MODE
MODE
Press the MODE button. While holding
the MODE, press the PROGRAM
button to enter Setup screens.
Press the MODE button repeatedly
until this setup screen appears.
Note: Press the MODE
button momentarily
to move through the
setup screens. Press
and hold the
MODE
button to move back-
wards through the
setup screens.
10
NC
13
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.
1) Normally Closed (NC): The thermostat will de-energize the
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.