Remote Control Functions; Air Direction; Timer Function - Carrier 40MBC-03 Owner's Manual

REMOTE CONTROL FUNCTIONS

Pressing the On/Off Button
When the air conditioner is not in operation, the remote control
displays the last set point and mode.
S Press ON/OFF to start the unit.
− The unit starts in the last operating mode and set
point. The ON/OFF indicator appears.
S Press On/Off to stop the unit.
− All the indicator lights on the unit go out, and the remote
control displays the set point and mode.
NOTE: If ON/OFF is pressed too soon after a stop, the
compressor will not start for 3 to 4 minutes due to the inherent
protection against frequent compressor cycling. The unit only
emits an audible beep when the signals are received correctly.
Selecting an Operating Mode
Select Operating Mode to select one of the available modes.
Fig. 8 − Display
Setting the Room Temperature Set Point
Press the increase temperature set point
to raise or lower the temperature.
The unit confirms the signal receipt with a beep and the value
of the set temperature appears on the display and changes
accordingly. The temperature can be set between 62_F (17_C)
and 86_F (30_C) in increments of 1_F or 1_C.
NOTE: In the Cooling mode, if the temperature selected is higher
than the room temperature, the unit will not start. The same applies
for the Heating mode if the selected temperature is lower than the
room temperature.
Selecting the Fan Speed
AUTO LOW
Fig. 9 − Fan Speeds
The fan speed can be selected by pressing the FAN button.
NOTE: When the unit is on, the fan runs continuously in cooling
or heating. When in heating, there might be situations where the
fan will slow down or shut off to prevent cold blow.
▲ ▼
and decrease buttons
MED
HIGH
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Selecting the Louver Position
To optimize comfort, the louvers operate in a preset range as shown
in the following figure.
Fig. 10 − Louver Position
The louvers can be adjusted by pressing DIRECT on the
remote control. The louvers can be set to remain stationary or
move continuously by pressing SWING. The louver position is
stored in the settings, however it is deactivated when the
TURBO or MANUAL settings are set, or when a power
interruption occurs.

Air Direction

Press DIRECT repeatedly to choose one of the louver positions.
Every time DIRECT is pushed, the louvers swing by 30 degrees.
NOTE: Always use the remote control to adjust the louver
position, otherwise abnormal operation may occur. If the horizontal
louver is manually adjusted out of its range, power the unit off and
then back on again.
Auto Swing
For automatic louver swing, push SWING.

Timer Function

TIMER ON (to start the unit) and TIMER OFF (to stop the unit)
can be used separately or together.
Timer ON only
This function allows the unit to start automatically at the set time.
The TIMER ON can be set while the unit is on or off.
UNIT ON
a. Press TIMER ON
sequence. The set time is displayed in the remote control
display. Every time TIMER ON is pressed, the time
increases by 30 minutes, up to 10 h. It increases by 60
minutes, afterwards, until the time setting reaches 24 h.
b. When TIMER ON is set, the TIMER light on the unit
illuminates. The unit continues to run at the set time.
UNIT OFF
a. Set the timer described in the UNIT ON section.
b. The unit starts at the set time.
Adjust the TIMER ON settings to 0.0 to cancel this option.
Timer OFF only
This function allows the unit to stop automatically at the set time.
The timer can be set while the unit is on or while it is off.
UNIT ON
a. Press TIMER OFF
The set time appears on the remote control display. Every
time TIMER OFF is pressed, the time increases by 30
minutes, up to 10 h. It increases by 60 minutes, afterwards,
until the time settings reach 24 h.
b. When TIMER OFF is set, the timer light on the unit
illuminates and the unit turns off automatically at the set time.
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to initiate the auto-on time
to initiate the auto−off time sequence.
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