Lennox MWCB Series User Manual Download Page 7

7

Wireless Remote Controller Operation

Auto Operation

1. 

Press the 

MODE

 button to select Auto.

2. 

 Press  the 

UP/DOWN 

button to set the desired 

temperature.

3. 

 Press  the 

ON/OFF

 button to start the system.

Cooling /Heating Operation

1. 

 Press  the 

MODE

 button to select COOL or HEAT mode.

2. 

 Press  the 

UP/DOWN 

buttons to set the desired 

temperature.

3. 

 Press  the 

FAN

 button to select the fan speed in four 

steps which are Auto, Low, Med or High.

4. 

 Press  the 

ON/OFF

 button to start the system.

Dehumidifying Operation

1. 

Press the 

MODE

 button to select 

DRY

 mode.

2. 

Press the 

ON/OFF

 button to start the unit.

Timer ON/OFF Operation 

1. 

 Press  the 

TIMER

 button. The remote controller shows 

TIMER ON

 or 

TIMER OFF

 icon

2. 

 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.

3. 

 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

Press the 

Clean

 and 

Turbo

 buttons at the same time for 

more than 5 seconds to activate Lock function. All buttons 

will not response except pressing the same two buttons for 

two seconds again to disable locking.

Swing Function

1. 

Press the 

SWING

 button to activate up/down louver 

operation. Louvers oscillate up and down automatically.

2. 

Press and hold the 

SWING

 button again to disable.

NOTE: 

Pressing the 

SWING

 button multiple times will set 

the louvers at five different fixed airflow angles.

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

•  Removes 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 cancel 

the operation.

NOTE: 

Only 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 6 hours
System returns to the previous operating 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
 

NOTE: 

While in sleep mode these features (active clean, 

silence feature, breeze away function, refrigerant 

leakage detection and Eco features) are not 

available.

Follow Me

Allows remote temperature sensing of the room at the 

remote controller location.

Summary of Contents for MWCB Series

Page 1: ...Screen Indicators 6 Wireless Remote Controller Operation 7 Wireless Remote Controller Set Button Function 7 Troubleshooting 8 FCC Compliance Statement PART 15 19 8 THIS MANUAL MUST BE LEFT WITH THE OWNER FOR FUTURE REFERENCE Optimal Performance Optimal performance for the COOL HEAT and DRY modes can be achieved in the following temperature ranges When your system is used outside of these ranges ce...

Page 2: ... either the indoor or outdoor unit Do not remove the outdoor unit fan guard for any reason CAUTION If outdoor unit is installed on a raised stand check condition of stand occasionally to ensure that it remains stable Do NOT install sprinklers or soaker hoses where they can expose the outdoor unit to treated water Prolonged exposure to treated water will corrode the surface of the steel and aluminu...

Page 3: ... Cooling operation Set horizontal louvers outward Auto swing operation Set louvers to swing up and down automatically Figure 2 Louver Operation Refer to the wireless remote control section on using the swing and direct buttons Return Air Filters Blocked or dirty return air filters affect system oper ation and efficiency Air filters should be checked monthly in order to ensure proper air flow to th...

Page 4: ...UTO COOL button a third time for five seconds to activate FORCE DEFROSTING mode applicable to heat pump systems only Indoor fan will stop defrosting lamp will light on 6 Press the AUTO COOL button again for 5 seconds to turn the unit off 7 Close the front panel Operation Wireless Remote Controller IMPORTANT Frequent changes to operating mode may cause system malfunction Allow at least one minute b...

Page 5: ...75 F unit operation if setpoint is lower Sets fan to Auto operation if setpoint 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 8 OK Button Confirms selected function 9 TIMER Button a Initiates an auto on or auto off time sequence b Press TIMER button to initiate the ON time sequence c Press the...

Page 6: ...tion flashing Note All icons are shown for display purposes only During actual unit operation only active icons are displayed Displays when LOCK feature is activated Silence LOW MED HIGH AUTO Lights up when remote sends signal to indoor unit Displays selected fan speed Displays the current including mode 2 20 21 40 41 60 61 80 81 100 1 NOTE Fan speed cannot be adjusted in AUTO or DRY mode Displays...

Page 7: ...ds to activate Lock function All buttons will not response except pressing the same two buttons for two seconds again to disable locking Swing Function 1 Press the SWING button to activate up down louver operation Louvers oscillate up and down automatically 2 Press and hold the SWING button again to disable NOTE Pressing the SWING button multiple times will set the louvers at five different fixed ...

Page 8: ...ing at 2Hz FCC Compliance Statement PART 15 19 PART 15 19 This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation FCC Interference Statement PART 15 105 B 3 This equipment has been tested a...

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