Carrier 25HBA3 User Manual Page 48

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21
The Duct Free System can be set up and operated from
the remote control (provided). If the remote is misplaced,
the system can be operated from the “Auto” setting on the
unit.
Operating modes
The duct free system has 5 operating modes:
•Cooling
•Fan Only
Heating (if applicable)
Dehumidification
•Auto
Cooling — In Cooling mode, the system cools, dries and
filters room air.
Fan only — In Fan Only mode, the system filters and cir-
culates room air without changing room air temperature.
Heating — In Heating mode, the system heats and filters
room air.
Dehumidification — In Dehumidification mode, the sys-
tem dries, filters and cools room air. This mode does not
take the place of a dehumidifier.
Auto — In Auto mode, the system will automatically cool
or heat room air according to a selected temperature (set
point).
If temperature of room air is lower than set point, the
system will operate in Heating mode. If temperature of
room air is higher than set point, the system will operate in
Cooling mode.
Remote control
The remote control transmits commands to set up and
operate the system. The controller has a window display
panel that shows the current system status. The controller
can be secured to a surface when used with the mounting
rack provided.
The remote control can perform the following functions:
Turn the system ON and OFF
Select operating mode
Adjust room air temperature and fan speed
Set time periods for automatic system operation
Remote control operation — The remote control has
3 buttons used for operating and controlling the system:
MODE button — changes operating mode
UP/DOWN button — selects desired operating mode
ON/OFF button — turns the system on or off and trans-
mits programing selections to unit.
NOTE: When transmitting a command from the controller
to the unit, be sure to point the controller toward the right
side of the unit. The unit will confirm receipt of a com-
mand by sounding 2 audible beeps.
Controls
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REMOTE CONTROL
MOUNTING RACK
MODE
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COOLING
FAN
HEATING FUNCTION
DRY
AUTO
FAN
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LOW
MEDIUM
HIGH
AUTO
SWEEP
SWEEP
ON/OFF
UP
DOWN
MODE
BUTTON
UP/DOWN
BUTTON
ON/OFF
BUTTON
REMOTE CONTROL BUTTONS —
PROGRAMMING OPTIONS
A
COOLING
HEATING
FAN ONLY
DEHUMIDIFICATION
AUTO
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OPERATING MODE INDICATORS ON
REMOTE CONTROL
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