Lennox 22U50 User Manual Download Page 2

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).

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

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

Summary of Contents for 22U50

Page 1: ...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 mo...

Page 2: ...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 Sp...

Page 3: ...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 Sc...

Page 4: ...inal operation mode after 8 total hours of operation 8 OK Button Confirms selected function 9 TIMER Button Initiates an auto on or auto off time sequence Press TIMER button to initiate the ON time seq...

Page 5: ...ans 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...

Page 6: ...hen 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...

Page 7: ...lect 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 sh...

Page 8: ...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...

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