LENNOX 22U49 Mini-Split Systems Wireless Indoor Unit Controller User Guide
- June 9, 2024
- Lennox
Table of Contents
©2022 Lennox Industries Inc.
Dallas, Texas, USA
USER GUIDE
Lennox Mini-Split Systems
Wireless Indoor Unit
Controller (22U49)
CONTROLS 508184-01 8/2022
22U49 Mini-Split Systems Wireless Indoor Unit Controller
IMPORTANT!
Frequent changes to operating mode may cause system malfunction. Allow at
least one minute between mode changes to allow the system to stabilize.
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
General
The mini-split wireless controller model RG10L-WM is a wireless local controller for Lennox mini-split indoor unit models MWMC only.
Requirements
Using the remote controller
-
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 controller in liquid.
-
Do not expose to direct sunlight.
-
Do not drop or step on remote controller.
-
Ensure that the remote controller is pointed directly at the indoor unit. If the remote controller is pointed directly toward the ceiling, it will not control the indoor unit (except cassette units if installed directly above the holder).
Specifications
Table 1. Specifications
Rated voltage| 3.0 VDC – (2 AAA batteries included)
Min voltage for sending signal to CPU| 2.4 VDC
Effective transmitting distance| 25 feet
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 furnished
- Holder can be mounted on a wall for easy access
- Mounting screws furnished
Wireless Remote Controller Button Functions
-
ON/OFF Button
Turns system on and off -
UP/DOWN Buttons
Increase or decrease the indoor temperature in one degree increments (maximum 86°F, minimum 60°F)
NOTE: Temperature cannot be adjusted in FAN mode.
NOTE: Press and hold both buttons for three seconds to alternate the temperature display between the °C and °F scale. -
SET Button
• Scrolls through unit operations in this order:
1. Breeze Away
2. Self-Clean
3. Sleep
4. Follow Me
• The selected symbol will flash on the display area, press the OK button toconfirm. -
FAN Button
• Cycles fan speeds in the following order:
• AUTO – 20% – 40% – 60% – 80% – 100% -
TURBO Button
Enables the unit to reach the preset temperature during cooling or heating operation in the shortest time -
MODE Button
• Select system operation modes
• Press button to cycle through each setting
-
ECO INTELLIGENT EYE Button
• Automatically detects human activity in the room
• If there is no activity for 30 minutes sensor reduces compressor operating frequency for cooling/heating/auto modes for increased efficiency
• Remains in this mode until activity is detected again
NOTE: Not applicable to multi-zone applications -
OK Button
Confirms selected function -
TIMER Button
• Initiates an auto-on or auto-off time sequence
• Press TIMER button to initiate the ON time sequence
• Press the 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 increases 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. -
SWING Button
Used to stop or start louver auto swing feature. -
ECO/GEAR Button
Controls temperature/energy efficiency of the unit
NOTE: Only available in cooling mode. ECO Operation
• Sets unit to 75°F unit operation if set point is lower
• Sets fan to Auto operation if set point is over 75°F NOTE: If setpoint is manually changed to less than 75°F, ECO operation is canceled. GEAR Operation Reduces electrical consumption to 75% or 50% -
HUMIDITY Button
• Adjusts the room humidity during DRY mode from 35% to 85%
• Each press of the button increases the humidity in 5% increments -
LED Button
Turns the LCD display backlight on the indoor unit on or off
NOTE: Press and hold the button for five seconds to display the actual room temperature. Press more than five seconds to revert back to display set temperature.
Wireless Remote Controller Screen Indicators
Information is displayed when the Wireless Remote Controller is powered on.
Note:
All icons are shown for display purposes only.
During actual unit operation, only active icons are displayed.
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 MODEbutton 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
Silence function
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
Wireless Remote Controller Set Button Function
Breeze Away
Prevents unit from blowing air directly on a person
NOTE: Only available in COOL, FAN or DRY modes.
Active Clean
- Washes away dust, mold, and grease that may cause odors when it adheres to the indoor coil by automatically freezing and then rapidly thawing the coil
- Indoor unit displays “CL”
- After 20 to 45 minutes the unit will automatically turn
NOTE: cancel the operationOnly available in COOL or DRY modes.
Sleep
- Enables the system to automatically increase cooling or decrease heating (in 2°F increments) per hour for the first 2 hours, then maintain a steady temperature for 5 hours
- System keeps the final operation mode after 8 total hours of operation
NOTE: To cancel, push the MODE, FAN SPEED or ON/OFF buttons. SLEEP mode is only available when the unit is in COOL, HEAT or AUTO mode
Follow Me
Allows remote temperature sensing of the room at the remote controller
location.
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