Introduction
This manual provides comprehensive instructions for the XHGTJK replacement infrared remote control. This remote is designed to operate various Lennox MS8-CI and MS8-HI series air conditioning units. Please ensure your air conditioner model is listed below for compatibility.
Compatible Lennox Models: MS8-CI-09P1A, MS8-CI-12P1A, MS8-CI-18P1A, MS8-CI-24P1A, MS8-HI-09P1A, MS8-HI-12P1A, MS8-HI-18P1A, MS8-HI-24P1A, MS8-HI-30P1A, MS8-HI-09L1A, MS8-HI-12L1A, MS8-CI-09L1A, MS8-CI-12L1A.
This remote control is a replacement unit and may not offer all functions of the original remote. Its primary functions are designed to work directly without programming.
Safety Information
- Do not expose the remote control to direct sunlight, high temperatures, or moisture.
- Avoid dropping or subjecting the remote to strong impacts.
- Keep batteries out of reach of children.
- Dispose of used batteries according to local regulations.
- Do not mix old and new batteries, or different types of batteries.
Package Contents
- 1 x XHGTJK Replacement Remote Control
Setup
Battery Installation
The remote control requires two AAA batteries (not included).
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards to open it.
- Insert two AAA batteries, ensuring the positive (+) and negative (-) terminals match the diagrams inside the compartment.
- Slide the battery compartment cover back into place until it clicks securely.

Rear view of the XHGTJK replacement remote control, illustrating the battery compartment cover.
No programming or pairing is required. The remote control is ready for use once batteries are installed.
Operating Instructions
Point the remote control directly at the infrared receiver on your Lennox air conditioning unit. Ensure there are no obstructions between the remote and the unit.

Front view of the XHGTJK replacement remote control, showing the LCD screen and all control buttons.
Button Functions
| Button | Function |
|---|---|
| Power (Red) | Turns the air conditioner unit ON or OFF. |
| +/- | Adjusts the temperature setting up or down. |
| MODE | Cycles through operating modes (e.g., Cool, Heat, Fan, Dry, Auto). |
| FAN | Adjusts the fan speed (e.g., Low, Medium, High, Auto). |
| I FEEL | Activates the 'I Feel' function, which senses the temperature at the remote's location. |
| Swing/Louver | Controls the vertical swing of the air conditioner's louvers. |
| CLOCK | Sets or displays the current time. |
| TIMER ON | Sets a timer for the unit to turn ON automatically. |
| TIMER OFF | Sets a timer for the unit to turn OFF automatically. |
| BLOW | Activates the 'Blow' function, which dries the indoor unit to prevent mold. |
| TEMP | Toggles the display between set temperature and room temperature, or changes temperature units. |
| SLEEP | Activates the 'Sleep' mode for comfortable overnight operation. |
| TURBO | Activates 'Turbo' mode for rapid cooling or heating. |
| LIGHT | Turns the display light on or off. |
Changing Temperature Units (Celsius/Fahrenheit)
The remote control supports both Celsius (°C) and Fahrenheit (°F) temperature displays. To switch between units, press the TEMP button. The display will cycle between the two units.
Maintenance
Cleaning the Remote
Wipe the remote control with a soft, dry cloth. Do not use liquid cleaners or abrasive materials, as these can damage the remote's surface or internal components.
Battery Replacement
Replace batteries when the remote's range decreases or if the display becomes dim. Follow the battery installation steps outlined in the 'Setup' section. Always replace both batteries at the same time with new AAA batteries.
If the remote will not be used for an extended period, remove the batteries to prevent leakage and potential damage.
Troubleshooting
- Remote not responding: Ensure batteries are correctly installed and not depleted. Replace with new batteries if necessary. Check for any obstructions between the remote and the air conditioner's receiver.
- Limited range: Replace batteries. Ensure the remote is pointed directly at the air conditioner.
- Some functions not working: This is a replacement remote. While main functions are supported, some advanced features of your original remote may not be available.
- Display issues: If the LCD is dim or blank, replace the batteries.
If you encounter persistent issues that cannot be resolved with the above steps, please contact customer support.
Specifications
- Brand: XHGTJK
- Connectivity Technology: Infrared
- Compatible Devices: Air Conditioner (Lennox MS8-CI and MS8-HI series)
- Power Source: 2 x AAA Batteries (not included)
- Maximum Range: Approximately 10 feet (3 meters)
- Dimensions (L x W x H): 5.15" x 1.06" x 11.32" (approximate, based on product information)
- Item Weight: 3.59 ounces (approximate)
Warranty and Customer Support
This product comes with a 30-day quality warranty, offering a refund or replacement for manufacturing defects.
For any questions, concerns, or issues regarding your XHGTJK remote control, please do not hesitate to contact our customer support.
Please refer to your purchase documentation for specific contact information.