Lennox 22U50 Manuel utilisateur
1
©2021 Lennox Industries Inc.
Dallas, Texas, USA
USER GUIDE
CONTROLS
508214-01
10/2021
Lennox Mini-Split Systems
Wireless Indoor Unit
Controller (22U50)
IMPORTANT!
Frequent changes to operating mode
may cause system malfunction.
Allow at least one minute between
mode changes to allow the system to
stabilize.
General
The mini-split wireless controller model
RG10B-DCFC is a wireless local con-
troller for Lennox mini-split indoor unit
models MMDB, M22A, MFMA and
MCFB only.
This manual must be left with the
owner for future reference.
Shipping and Packing List
Package 1 of 1 contains;
1 – Wireless Controller
2 – AAA batteries
1 – Remote controller holder with
mounting screw
2
Requirements
Using the remote controller
• Point the remote controller directly at
the indoor unit.
• Stand within 25 feet 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.
• Do not submerge the remote control-
ler in liquid.
• Do not expose to direct sunlight.
• Do not drop or step on remote con-
troller.
• Ensure that the remote controller is
pointed directly at the indoor unit. If
the remote controller is pointed direct-
ly toward the ceiling, it will not control
the indoor unit (except cassette units
if installed directly above the holder).
Specications
Table 1. Specications
Rated voltage
3.0 VDC - (2
AAA batteries
included)
Min voltage for sending
signal to CPU 2.4 VDC
Effective transmitting
distance
26 feet (8
meters)
Operation conditions 23°F to 140°F
(-5 to 60°C)
Overview
Furnished with Wall-Mount, Cassette,
Floor Console and Ceiling/Floor Indoor
Units.
• Complete remote control of system
• Wireless remote controller holder fur-
nished
• Holder can be mounted on a wall for
easy access
• Mounting screws furnished
3
Wireless Remote Controller Button
Functions
1
3
2
4
5
7
6
10
11
13
9
12
8
1. ON/OFF Button
Turns system on and off
2. UP/DOWN Buttons
Increase or decrease the indoor temper-
ature in one degree increments (maxi-
mum 86°F, minimum 62°F)
NOTE: Temperature cannot be adjust-
ed in FAN mode.
NOTE: Press and hold both buttons for
three seconds to alternate the
temperature display between
the °C and °F scale.
3. SET Button
• Scrolls through unit operations in
this order: Follow Me
•
the display area, press the OK but-
4. FAN Button
• Cycles fan speeds in the following or-
der:
• AUTO - LOW - MED - HIGH
4
NOTE: Holding Fan button down for 2
seconds will activate Silence
feature.
5. TURBO Button
Enables the unit to reach the preset
temperature during cooling or heating
operation in the shortest time
6. MODE Button
• Select system operation modes
• Press button to cycle through each
setting
AUTO COOL DRYHEATFAN
7. SLEEP Button
• Enables the system to automatically
increase cooling or decrease heating
(in 2°F increments) per hour for the
temperature for 5 hours
•
mode after 8 total hours of operation
8. OK Button
9. TIMER Button
• Initiates an auto-on or auto-off time
sequence
• Press TIMER button to initiate the ON
time sequence
• Press the TEMP UP/DOWN buttons
multiple times to set the desired time
to turn on the unit
• Press TIMER button to initiate the off
time sequence.
NOTE: Each press of the button in-
creases or decreases the time
(depending on function) in 30
minute increments up to 10
hours.
Above 10 hours each press
of the button will increase
or decrease the auto-timed
setting by 60 minutes up to 24
hours.
To cancel, set timer to 0.0 or
turn remote off and on.
10. SWING Button
feature.
5
• .11. SHORTCUT Button
Restore the current settings or resume
the previous settings
12. CLEAN Button
• Start/stop the Self-Clean function
• Unit cleans itself automatically
NOTE: Only available in COOL or DRY
modes.
NOTE: Not for MCFA036-048 and
MMDB036-048 models.
13. LED Button
Turns the LCD display backlight on the
indoor unit on or off
NOTE: Press and hold the button for
5 seconds to display the actual
room temperature. Press more
than 5 seconds to revert back
to display set temperature.
6
Wireless Remote Controller Screen Indicators
Information is displayed when the Wireless Remote Controller is powered on.
Transmission Indicator
MODE display
TIMER ON display
FAN SPEED display
TIMER OFF display
Silence feature
display
LOCK display
Temperature/Timer/Fan speed
display
Sleep feature display
Follow Me feature display
Not applicable for this unit
Low battery detection (flashing)
Displays when LOCK feature
is activated.
Lights up when remote
sends signal to indoor
unit Displays the current
including:
mode,
LOW
MED
HIGH
AUTO
Displays selected fan speed:
This fan speed can not be
adjusted in AUTO or DRY
mode.
Not applicable for this unit
Timer setting range:
0-24 hours
This display is blank when
operating in FAN mode.
Note:
All icons are shown for display purposes only.
During actual unit operation, only active icons are displayed.
Displays the set temperature
by default, or fan speed or
timer setting when using
TIMER ON/OFF functions.
Temperature range:
60-86°F / 16-30°C
Self-Clean feature display
7
Wireless Remote Controller
Operation
Auto Operation
a. Press the MODE button to select
Auto.
b. Press the UP/DOWN button to set
the desired temperature.
c. Press the ON/OFF button to start the
air conditioner.
Cooling /Heating/Fan Operation
a. Press the MODE button to select
COOL, HEAT or FAN mode.
b. Press the UP/DOWN buttons to set
the desired temperature.
c. Press the FAN button to select the
fan speed in four steps which are
Auto, Low, Med or High.
d. Press the ON/OFF button to start the
air conditioner.
Dehumidifying Operation
a. Press the MODE button to select
DRY mode.
b. Press the UP/DOWN buttons to set
the desired temperature.
c. Press the ON/OFF button to start the
air conditioner.
Timer ON/OFF Operation
a. Press the TIMER button. The remote
controller shows TIMER ON or
TIMER OFF icon
b. Press the TIMER button again to set
desired time. Each time you press
the button, the time increases by
30 minutes between 0 and 10 hours
and by 60 minutes between 10 and
24 hours.
c. After setting the TIMER ON or TIMER
OFF there will be a one second
delay before the remote controller
transmits the signal to the unit. After
approximately two seconds the set
temperature will re-appear on the
LCD display window.
Silence Operation
Press the FAN button for more than two
seconds to activate or disable the Si-
lence function
8
Lock Function
a. Press the TURBO and HUMIDITY
buttons together two times in
less than one second to lock the
Controller to prevent tampering
b. Press the TURBO and HUMIDITY
together buttons again for two
seconds to unlock the wireless
remote controller
Swing Function
a. Press the Swing button to activate
parallel louver operation. Louvers
oscillate up and down automatically.
Press and hold the Swing button
again to disable.
NOTE: Pressing the Swing button
multiple times will set the lou-
vers at ve different xed air-
ow angles.
b. Press Swing button for 2 seconds
to activate upright louver operation.
Louvers swing left and right
automatically.
Wireless Remote Controller Set
Button Function
Follow Me
Allows remote temperature sensing of
the room at the remote controller loca-
tion.
Ce manuel convient aux modèles suivants
1
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