ACC-SVN28A-EN 11
Installation
Figure 7. Program menu
Table 6. Program settings
Key Press Action
PROGRAM
Enter Program Screen
Advances to Next Period of
the Day
If Mode is Set to AUTO
Changeover
Toggles from Cool to Heat
Advances to the Next
Period of the Day
Time + Increases Start Time for
each Period of the Day
Time - Decreases Start Time for
each Period of the Day
Day Advances Current Day
Mode Toggles between Cool and
Heat Set Points
Fan
(CV/HP only)
Toggles Fan Operation
Setting if Option 10 is set
to 1
UP Arrow Increases Desired Set Point
DOWN Arrow Decreases Desired Set
Point
Erase Erases Period Start Time
and Desired Cool and Heat
Set Point
Press and
Hold Erase for
5 seconds
Erases the entire program
(Display will go blank for 1
second after the 5 seconds
have elasped.
Press and
Hold Program
for 2 seconds
Exit Program Screen and
return to Normal Run
Screen
20 seconds
without
pressing any
key
Exit Program Menu Screen,
Returns to Normal Run
State
TIME
PROGRAM
DAY
ERASE
HOLD TEMP
MODE
FAN
ROOM TEMP
AUTO
FAN
HEAT
MODE
COOL
OCCUPIED
Program Menu Screen
AM
Visible if Option 10
is set to 1
68
Temporary Override
Menu
The Temporary Override Menu is
used to change temperature set
points, Mode of Operation, and the
Zone status (OCCUPIED or
UNOCCUPIED) for a designated
length of time without having to
change what typically would be the
Normal Program. If Option 10 is set
to 1, then the Fan Mode will be
displayed and programmable. Refer
to the Temporary Override Menu
screen illustration.
Note: Changing option 9 or 10 will
erase the current program
setting.
To enter the Temporary
Override Menu;
1. From the Normal Run State,
press the HOLD TEMP KEY or
either the UP or DOWN KEY.
2. The HOURS icon located under
the right two digits of the clock
will be blinking. Press the
Positive (“+”) side of the TIME
KEY to increase the number of
hours the override program will
last. Press the Negative (“-”)
side of the TIME KEY to decrease
the number of hours.
3. Press the DAY KEY to toggle from
the Hours icon to the Days icon.
Press the Positive (“+”) side of
the TIME KEY to increase the
number of days the override
program will last. Press the
Negative (“-”) side of the TIME
KEY to decrease the number of
days.
4. Press the UP or DOWN arrows to
program the temperature set
points (HEAT and/or COOL). Use
the MODE KEY to toggle
between the Modes if applicable.
5. Press the FAN KEY to program
the fan for ON or AUTO
operation during the override
period.
6. Press and hold the UP and
DOWN arrows simultaneously
for 2 seconds to toggle the zone
status between OCCUPIED and
UNOCCUPIED.
7. Pressing the ERASE KEY will
cancel any override
programming and return the
sensor to the Normal Run State.
8. Press the HOLD TEMP KEY to
confirm the program and to start
Temporary Override. If no keys
are pressed, the sensor will
return to the Normal Run State
and ignore the override program.
9. Press and hold the Positive (“+”)
and Negative (“-”) keys
simultaneously for 5 seconds to
lock key pad.
Press and hold the Positive (“+”)
and Negative (“-”) keys
simultaneously for 5 seconds to
unlock key pad.
Entering the Temporary
Override Screen
Once the override program has
begun and the Keypad Lockout is
disabled, the MODE KEY will allow
the operator to change the System
Mode. The ERASE KEY can only be
used to cancel the CHECK FILTER
signal if displayed.
The FAN KEY will exit the Temporary
Override Program and enter the
Temporary Override Menu screen.
All other keys are disabled. Refer to
the Temporary Override screen
illustration.
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