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Lennox KJR-120G1/TFBG-E

Lennox KJR-120G1/TFBG-E
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WIRED REMOTE CONTROLLER
IMPORTANT NOTE:
Read this manual carefully before
installing or operating your wired
remote controller. Make sure to save
this manual for future reference.
MODEL:
KJR-120G1/TFBG-E(5V)(For high wall models)
KJR-120G2/TFBG-E(12V) (For Duct/Cassette/Floor ceiling models)
KJR-120H2/TFBG-E
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Lennox KJR-120G1/TFBG-E Specifications

General IconGeneral
Model NumberKJR-120G1/TFBG-E
CategoryRemote Control
Power SourceBattery
Display TypeLCD
FunctionalityControls temperature, fan speed, mode, and other settings
CompatibilityLennox HVAC systems
RangeUp to 8 meters

Summary

Safety Precautions

Installation Accessory

Preparation Before Installation

Confirms all supplied parts and prepares site assemblies before installation.

Wired Controller Installation Precautions

Precautions for wiring and grounding the wired controller during installation.

Installation Method

Controller Dimensions

Details the physical dimensions of different wired remote controller models.

Wiring Connection Diagram

Illustrates wiring connections between controller and indoor unit mainboard.

Wiring Figure

Shows the physical wiring process for specific models KJR-120G2/TFBG-E(12V) & KJR-120H2/TFBG-E.

Wiring for Model KJR-120 G1 TFBG-E(5 V)

Details wiring for KJR-120G1/TFBG-E(5V) using an adapter board.

Controller Upper Part Removal

Instructions for carefully removing the upper part of the wired controller.

Fasten Controller Back Plate

Guidance on securing the back plate to the wall for surface mounting.

Switch Box Mounting

Instructions for fastening the back plate to a switch box and the wall.

Battery Installation

Steps for correctly installing the battery and setting the initial time.

Wire the Indoor Unit

Describes three methods for wiring the indoor unit to the controller.

Reattach Controller Upper Part

Reassembling the controller upper part, avoiding wire clamping.

Appendix

Open Front Panel

Opening the indoor unit's front panel to begin kit installation.

Disconnect Wire from Main Board

Steps to disconnect the existing wire from the main controller board.

Identify Components

Identifies controller, convert board, and display board for the kit.

Identify Display Board Connections

Locates CN201 connection on display board for main board wiring.

Display Board to Convert Board Connection

Identifies CN101 connection from display board to convert board.

Uninstall Display Board

Instructions for removing the display board from the front panel.

Modify Display Board Section

Instructions to break off a specific rectangular section of the display board.

Replace and Secure Display Board

Replacing old display board with new and securing it with clips.

Remove Display Board Screen Cover

Instruction to remove screen cover from display board before reassembly.

Connect Wires to Adaptor Board

Details connecting wires from display board to convert board.

Connect Wired Controller to Convert Board

Connects wire from wired remote controller to convert board.

Final Assembly and Connection

Steps for installing cover, mounting boards, and connecting components.

Specifications

Wired Controller Features and Functions

Wired Controller Display

Wired Controller Buttons

Preparatory Operation

Set Current Day and Time

Guide to setting the current day and time on the wired controller.

Operation

StartStop Operation

Instructions on how to start and stop the air conditioner operation.

Set Operation Mode

How to select the desired operating mode (Auto, Cool, Dry, Heat, Fan).

Room Temperature Setting

Adjusting the desired room temperature within the specified range.

Fan Speed Setting

Adjusting the fan speed to Auto, Low, Medium, or High.

Room Temperature Sensor Selection

Choosing whether to use the indoor unit or controller for temperature sensing.

Child Lock Function

Activating and deactivating the child lock to prevent unintended changes.

Keypad Tone Setting

Enabling or disabling the audible keypad tone.

Temperature Scale Selection (CF)

Switching the temperature display between Celsius and Fahrenheit.

TurboAuxiliary Heat Function

Using Turbo mode for faster heating/cooling and Auxiliary Heat.

Lift Panel Function

Controlling the lift and drop of the panel on cassette-specific models.

Swing Function (Up-Down)

Operating the up-down swing function for airflow direction.

Swing Function (Left-Right)

Operating the left-right swing function for airflow direction.

Timer Functions

Weekly Timer

Setting operating times for each day of the week.

On Timer

Setting the timer to start air conditioner operation.

Off Timer

Setting the timer to stop air conditioner operation.

On and Off Timer

Setting timers for both starting and stopping air conditioner operation.

Setting the On or Off Timer

Step-by-step guide to setting the On or Off timer.

Setting the On and Off Timer

Step-by-step guide to setting both the On and Off timers.

Weekly Timer

Weekly Timer Setting

Initiating the weekly timer setup by selecting 'Week'.

Day of the Week Setting

Selecting the specific day of the week for timer settings.

ON Timer Setting

Setting the ON time, mode, temperature, and fan speed for a timer event.

Time Setting for Weekly Timer

Setting the specific time for a weekly timer event.

Operation Mode Setting for Weekly Timer

Selecting the operation mode for a weekly timer event.

Room Temperature Setting for Weekly Timer

Setting the room temperature for a weekly timer event.

Fan Speed Setting for Weekly Timer

Setting the fan speed for a weekly timer event.

Setting Multiple Scheduled Events

Repeating steps to set multiple scheduled events within a day.

Setting Additional Days

Adding timer settings for additional days in a week.

Weekly Timer Operation

Starting and canceling the weekly timer operation.

Set Day Off (Holiday)

Configuring a 'Day Off' setting for holidays within the weekly timer.

Create Day Off Setting

Using the DAY OFF function to mark specific days as non-operational.

Copy Timer Settings Between Days

Copying timer settings from one day to another.

Copying Timer Settings

Steps to copy timer settings from one day to another, confirming the operation.

Delete Time Scale in One Day

Procedure to delete a specific time scale entry from a daily schedule.

Fault Alarm Handling

Technical Indication and Requirement

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