Wireless Remote; Requirements; Remote Control Specifications - Lennox MCA Series Service Manual

6. Wireless Remote

IMPORTANT!
Frequent changes to operating mode may cause system
malfunction. Allow at least one minute between mode
changes for the system to stabilize.
6.1.

Requirements

Using the remote controller
• Point the remote controller directly at the indoor unit.
• Stand within 26 feet (8 meters) of the indoor unit.
• Do not block the signal between the remote controller
and indoor unit.
NOTE: The remote controller will not function without a
clear line of sight to the indoor unit.
Turns the system on or off
Scrolls through operation
modes as follows:
COOL → DRY →
NOTE - Heat mode is not
air conditioner models.
Selects fan speeds in the
AUTO → LOW → MED →
NOTE - Hold button for
2 seconds to activate
Saves energy during
Enables unit to reach
preset temperature in
shortest possible time
ON/OFF
MODE
→ FAN
available on
ON/OFF
FAN
MODE
following order:
FAN
HIGH
SLEEP
TURBO
Silence function.
SLEEP
sleeping hours
TURBO
CLEAN
Starts and stops
self clean feature
LED
Turns indoor unit's LED display on and off.
If you are sensitive to light when you go to
sleep, you can press the LED button to turn
off the LED display on the indoor unit. Press
the button again to turn it back on.
Figure 10. Remote Controller Function Buttons
• Do not submerge the remote controller in liquid.
• Do not expose to direct sunlight.
• Do not drop or step on remote controller.
• Remote control holder
Use field-provided fasteners to attach the remote controller
holder to any suitable vertical surface such as a wall.
6.2. Remote Control Specifications
Function
Rated voltage
Min voltage for sending signal to
CPU
Effective transmitting distance
Operation conditions
FP
(Button Disabled)
TEMP ▲
Increases temperature in
1°F increments
(Max. Temperature is 86°F)
TEMP ▼
Decreases temperature in
1°F increments
(Min. Temperature is 62°F)
FP
NOTE - Press and hold ▲and ▼
buttons simultaneously for 3 seconds
TIMER
to switch from °F to °C.
ON
TEMP
TIMER
OFF
TIMER ON
Sets timer to turn unit on
SWING DIRECT
LED FOLLOW
CLEAN
TIMER OFF
Sets timer to turn unit off
SWING/DIRECT
SWING
Used to start or stop horizontal louver auto-swing feature.
Louver will swing up and down automatically when activated.
DIRECT
Used to change the louver movement and set the desired
up/down air flow direction. The louver angle changes 6° for
each press of the button.
FOLLOW (ME)
Temperature sensing at the remote controller location
10
Table 2. Specifications
Specifications
3.0 VDC (2 AAA batteries)
2.4 VDC
26 feet (8 meters)
23°F to 140°F (-5 to 60°C)
.