Introduction
Thank you for choosing the Huayu Universal A/C Remote Control, Model K-VT138. This remote control is designed for 100% compatibility with various Voltas Air Conditioner (AC) models, providing convenient access to all control options. This manual provides essential information for proper setup, operation, and maintenance of your new remote control.
Safety Information
- Do not mix old and new batteries.
- Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries.
- Always remove exhausted batteries promptly to prevent leakage and damage.
- Dispose of used batteries according to local regulations.
- Keep the remote control away from direct sunlight, heat sources, and moisture.
- Avoid dropping or subjecting the remote control to strong impacts.
Setup
Battery Installation
The remote control requires two AA batteries for operation. Ensure correct polarity (+/-) when inserting the batteries.
- Open the battery compartment cover located on the back of the remote control.
- Insert two AA batteries, matching the polarity indicators inside the compartment.
- Close the battery compartment cover securely.
Pairing with your Voltas AC (Auto Search)
This remote control features an auto-search function to quickly pair with your Voltas AC unit. Follow these steps:
- Point the remote control towards your Voltas AC unit.
- Press and hold the "SET" button for approximately 6 seconds. The remote will begin to cycle through various codes.
- Observe your AC unit. When the AC unit reacts (e.g., turns on, makes a sound, or changes mode), immediately release the "SET" button.
- The remote control is now paired with your AC unit. Test basic functions like On/Off and temperature adjustment to confirm.

Image: Back of the remote control detailing the auto-search pairing process. The instructions indicate to press and hold 'SET' for about 6 seconds for code change, and to release 'SET' immediately when the A/C reacts.
Operating Instructions
Once paired, the remote control functions similarly to your original AC remote. Common functions include:
- Power On/Off: Press the power button to turn the AC unit on or off.
- Temperature Adjustment: Use the temperature up/down buttons to set your desired temperature.
- Mode Selection: Cycle through modes such as Cool, Fan, Dry, or Heat (if supported by your AC unit).
- Fan Speed: Adjust the fan speed (e.g., Low, Medium, High, Auto).
- Swing/Vane Control: Control the direction of the airflow (if supported).
Refer to your Voltas AC unit's manual for specific functions and their corresponding buttons on the remote.
Maintenance
- Cleaning: Wipe the remote control with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Battery Replacement: Replace batteries when the remote's range decreases or it stops responding. Always replace both batteries at the same time with new ones of the same type.
- Storage: If the remote control will not be used for an extended period, remove the batteries to prevent leakage.
Troubleshooting
- Remote not responding: Check if the batteries are inserted correctly and are not depleted. Replace batteries if necessary. Ensure there are no obstructions between the remote and the AC unit's receiver.
- Short operating range: This usually indicates low battery power. Replace the batteries.
- AC unit not reacting after pairing: Repeat the auto-search pairing process. Ensure you release the "SET" button immediately when the AC unit reacts.
- Some functions not working: While this is a universal remote, some very specific functions of your original AC remote might not be supported. Ensure the remote is correctly paired.
Specifications
| Feature | Specification |
|---|---|
| Brand | Huayu |
| Model Number | K-VT138 |
| Compatible Devices | Voltas A/C |
| Network Connectivity | Infrared |
| Controller Type | Button Control |
| Number of Batteries | 2 AA batteries required |
| Battery Type | Alkaline |
| Item Weight | 58.12 Grams |
| Color | White |
| Special Features | Long Range, Premium Quality Plastic Body, Soft Rubber Keypads, Durable |
Warranty and Support
For warranty information or technical support, please refer to the retailer or manufacturer's official contact channels. Keep your purchase receipt as proof of purchase.