2305 Pleasant View Rd.
●
Middleton Industrial Park
●
Middleton, WI 53562
PHONE (608) 831-2585
●
FAX (608) 831-7407
I0000493 REV 1 06/09/2008
Page 2 of 2
Installation and Operation Instructions
ACI/TUCH Room Unit
KEY PAD
The ACI/TUCH Room Unit can be configured with
various keypad options containing from 1 to 4 keys that
operate the different functions, or an optional blank
insert may be provided if no control is desired.
O/R
MODE
O/R KEY (OPTIONAL):
Override key.
MODE KEY (OPTIONAL):
Mode adjust key used to change the
display mode from temperature to RH.
DOWN KEY (OPTIONAL):
Set point adjust key used to reduce
the set point value.
UP KEY (OPTIONAL):
Set point adjust key used to increase
the set point value.
OPERATIONAL MODES
The following diagrams show the operational modes of
the ACI/TUC Room Unit. The ACI/TUCH Room Unit
normally displays the room temperature, or the room
temperature alternating with the room RH.
°F
.5
Temperature display
Normally, the
ACI/TUCH Room
Unit shows the room
temperature. The
ACI/TUCH Room
Unit returns to this
screen 5 seconds
after the last
key-press activity.
%RH
RH display
%RH icon.
In alternate temperature
and RH display mode,
or when the optional
MODE key is pressed,
the ACI/TUCH Room
Unit shows the current
%RH value.
Setpoint
°F
Setpoint display
Setpoint icon.
When the UP or
DOWN keys are
pressed, the
ACI/TUCH Room
Unit shows the
current set point
temperature.
SET POINT OPERATION
When the UP or DOWN key is pressed, the word
“Setpoint” appears and the current set point temperature
is displayed. Additional UP or DOWN key presses
increment or decrement the set point temperature, while
continuously depressing the UP or DOWN key auto-
increments or auto-decrements the set point
temperature. The display continues to show the current
set point temperature for 5 seconds after the last UP or
DOWN key press and then returns to the temperature
display or the RH display.
RH MODE OPERATION
When the MODE key is pressed, the current %RH value
is displayed. The display continues to show the current
%RH value for 5 seconds after the last MODE key press
and then returns to the temperature display.
