Smart Sensor Functions; System Off; Keypad Lock; Error Display - Carrier Infinity Smart Sensor Installation And Start-Up Instructions Manual

displayed. Pressing the HOLD button again cancels the "UNOC-
CUPIED" icon. When Unoccupied exits, the Smart Sensor will
return to the current operating mode.

SYSTEM OFF

When the Zone Control (User Interface) OFF button is pressed, the
Smart Sensor will show "SYSTEM OFF" in the lower left text area
of the display screen. The end user will be unable to operate the
system from the Smart Sensor.

KEYPAD LOCK

The Smart Sensor can be locked if the FAN and HUMIDITY/OAT
buttons are pressed simultaneously for approximately 3 seconds. A
padlock icon will appear and all push button functions will be
ignored. Pressing the FAN and HUMIDITY/OAT buttons again
for 3 seconds will unlock the Smart Sensor.
Outside Temp /
Indoor Humidity
Humidity/OAT
Hold/Unoccupied
HOL D
Time (+/-)
Fig. 2 — Smart Sensor Functions
3
VACATION
When the VACATION mode is activated from Zone Control (User
Interface), the Smart Sensor will display the "VACATION" icon in
the lower left area of the LCD. If the TEMP (+/-) button is pressed,
the Override timer will display "2-hours". This can either be
increased or decreased with the TIME (+/-) button. When the
Override timer expires, the Vacation setpoints return.

ERROR DISPLAY

COM ERROR (Communication Error) will be displayed If the
Smart Sensor cannot send or receive communication data with the
Zone Control (User Interface). Check ABCD wiring and Zone
address.
SYST ERROR (System Error or Malfunction) will be displayed if
a system critical error is active at the Zone Control (User
Interface). Check fault history at the Zone Control (User Inter-
face).
Fan Status
T emp (+/-)
Fan Control
Room Temperature
Set point
COOL / HEAT
A04136