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5

Wireless Remote Functions

°C

°F

The wireless remote control provides system control to the homeowner at the touch of a
button. The indoor unit and remote control send information back and forth continuously.
The remote control must be placed on a table or other surface in direct line of sight with
the indoor unit infrared receiver. The remote control should not be placed in a drawer.
Make sure that there are no obstructions between the indoor unit receiver and the remote
control. Do not drop the control or spill liquid on the remote control.

ON/OFF button

Press this button once to
turn system on. Press again
to turn the system off. When
the ON/OFF button is used
to turn the system OFF, it
overrides the Sleep Timer
function (when it is in use).

MODE button

Press this button to select sys-
tem operating modes. AUTO
mode is the default setting.
Press MODE button again to
select COOL mode, again for
DEHUMIDIFICATION mode,
again for FAN mode and again
for HEAT mode (heat pumps
only).

Selected mode is displayed on
both remote and indoor  unit
cover panel.

+/− buttons

Use plus (+) and minus (−)
buttons to adjust the temper-
ature setting up and down.

NOTE − The temperature
cannot be adjusted when
the system is in AUTO
mode.

FAN button

Press this button to select
fan speed. AUTO fan is the
default setting. In AUTO
fan mode, the indoor fan
speed is determined by the
indoor ambient tempera-
ture. Press FAN button to
step through FAN setting
selections: AUTO, low
speed, medium speed and
high speed. 
Selected fan speed is
shown at the top of the re-
mote control display.

NOTE − The fan speed is
not adjustable during  
DEHUMIDIFICATION
mode operation. 

The low

fan speed is necessary to
ensure optimal humidity
control.

AUTO

Low

Medium

High

AUTO

COOL

DEHUMIDIFICATION

FAN

HEAT

LOUVER SETTING button

Press this button to set the
position of the indoor unit di-
rectional louver.

When feature is turned on,
     icon appears and 
louver oscillates through five
positions from up to down
and back again. Continue to
press button to select one of
five fixed positions or one of
three other oscillating set-
tings.

OFF

Summary of Contents for MS7

Page 1: ...is manual is the property of the homeowner and must be left with the user 2011 Lennox Industries Inc Dallas Texas USA MS7 Single Zone Mini Split System Air Conditioners and Heat Pumps 506789 01 08 201...

Page 2: ...perty damage personal injury or death For your safety and to fulfill the terms of the limited warranty a licensed professional service technician or equivalent must annually inspect this system This u...

Page 3: ...Tape e p i p n o i t c e n n o C Air inlet Typical indoor unit shown Actual unit may be slightly different Front Panel Display Air outlet Filter Directional Louver Wireless remote control Temperature...

Page 4: ...s fixed in a downward position In climates with very low winter temperatures it may be necessary to supplement heating by addi tional means space heater fireplace etc In heating mode the operating ran...

Page 5: ...mode and again for HEAT mode heat pumps only Selected mode is displayed on both remote and indoor unit cover panel buttons Use plus and minus buttons to adjust the temper ature setting up and down NOT...

Page 6: ...button to initi ate or cancel high speed fan operation to accelerate cooling or heating of the ambient room temperature The turbo icon is displayed when the function is turned on TEMP button Use the T...

Page 7: ...with the word ON flashing at the right Use the and keys to adjust the time setting to the desired time for the system to begin operation Press the TIMER ON button again to accept the setting When succ...

Page 8: ...speed will be set to low if DEHUMIDIFICATION mode has been selected 5 Press OSCILLATE button Indoor unit directional louver will open and begin to oscillate If a single setting is preferred press but...

Page 9: ...should not be placed in a drawer Make sure that there are no obstructions between the indoor unit receiver and the remote control Remote should remain within its receiving range to ensure proper syst...

Page 10: ...o make sure that there are no objects on top of unit or around unit that may be ob structing air flow Check to make sure that indoor unit and wall bracket are secure and have not been damaged Use a cl...

Page 11: ...oil when the outdoor unit starts or stops operation This is not a malfunction Mist is coming out of the indoor unit during cooling operation This sometimes happens when the indoor temper ature and hum...

Page 12: ...unit When this happens the unit will enter a defrost cycle The indoor fan is off during the 3 12 minute cycle In DEHUMIDIFICATION mode indoor fan opera tion may be stopped to avoid delivery of moist a...

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