Lennox 22U50 Manuale utente

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

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).

Specications

Table 1. Specications

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

Wireless Remote Controller Button

Functions

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

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.

• .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.

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

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

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.

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