Important Safety Instructions
Please read all instructions carefully before installing and operating your air conditioner. Keep this manual for future reference. Failure to follow these instructions may result in property damage, personal injury, or death.
- Ensure the unit is installed by a qualified professional in accordance with local and national electrical codes.
- Do not operate the air conditioner with wet hands or when standing on a wet surface.
- Do not insert fingers or objects into the air inlet/outlet.
- Turn off the power supply before cleaning or performing any maintenance.
- Keep children away from the unit.
- Do not attempt to repair the unit yourself. Contact authorized service personnel for repairs.
Product Overview
The Hisense DJ25VE0BG is an indoor wall-mounted split air conditioner designed for efficient cooling and heating of residential spaces. It features Wi-Fi connectivity for smart control.

Image: Front view of the Hisense Indoor Wall Split Comfort 9K Air Conditioner unit, showing its white casing and the display panel.
Installation and Setup
Proper installation is crucial for the optimal performance and longevity of your air conditioner. It is highly recommended that installation be performed by a certified HVAC technician.
Unpacking
- Carefully remove the indoor unit and accessories from the packaging.
- Check for any signs of damage during transit. Report any damage to your supplier immediately.
- Verify all components listed in the packing list are present.
Mounting the Indoor Unit
The indoor unit should be mounted on a sturdy wall, away from direct sunlight or heat sources, and with adequate clearance for air circulation.
Electrical Connections
Ensure the power supply matches the specifications of the unit. All electrical wiring must comply with local and national electrical codes. A dedicated circuit is recommended.
Initial Setup (Wi-Fi)
This model is Wi-Fi enabled. To connect your unit to your home network and enable smart control:
- Download the Hisense ConnectLife app from your smartphone's app store.
- Follow the in-app instructions to register an account and add your air conditioner.
- Ensure your Wi-Fi network is 2.4GHz for compatibility.
Operating Instructions
Your Hisense air conditioner can be operated using the supplied remote control or via the Hisense ConnectLife app.
Remote Control Functions
Familiarize yourself with the buttons on the remote control. Common functions include:
- POWER: Turns the unit on or off.
- MODE: Cycles through operating modes (Cool, Heat, Fan, Dry, Auto).
- TEMP +/-: Adjusts the desired temperature.
- FAN SPEED: Adjusts the fan speed (Auto, Low, Medium, High).
- SWING: Controls the louver movement for air direction.
- SLEEP: Activates sleep mode for quiet operation and energy saving.
Operating Modes
- Cool Mode: For cooling the room. Set desired temperature.
- Heat Mode: For heating the room. Set desired temperature.
- Fan Mode: Circulates air without cooling or heating.
- Dry Mode: Reduces humidity in the room.
- Auto Mode: The unit automatically selects the appropriate mode based on the room temperature.
Maintenance and Care
Regular maintenance ensures efficient operation and extends the lifespan of your air conditioner. Always disconnect power before performing maintenance.
Air Filter Cleaning
Clean the air filters every two weeks or more frequently if the unit is used heavily or in dusty environments.
- Open the front panel of the indoor unit.
- Remove the air filters.
- Clean the filters with a vacuum cleaner or wash them with lukewarm water and mild detergent.
- Rinse thoroughly and allow them to dry completely in a shaded area before reinserting.
Outdoor Unit Cleaning
Periodically check the outdoor unit for debris, leaves, or obstructions around the condenser coils. Gently clear any blockages. For thorough cleaning, consult a professional.
Seasonal Maintenance
Before the cooling or heating season, it is advisable to have a professional inspect your unit to ensure it is operating correctly and efficiently.
Troubleshooting Guide
This section provides solutions to common issues you might encounter. If the problem persists, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply; Remote control batteries dead | Check circuit breaker; Replace remote control batteries |
| Insufficient cooling/heating | Dirty air filters; Doors/windows open; Temperature setting incorrect | Clean air filters; Close doors/windows; Adjust temperature setting |
| Unusual noise | Loose parts; Obstruction in fan | Check for loose components; Remove any obstructions. If noise persists, contact service. |
| Water leakage from indoor unit | Clogged drain pipe; Improper installation | Clear drain pipe; Contact installer for inspection. |
Technical Specifications
| Feature | Value |
|---|---|
| Brand | Hisense |
| Model Name | DJ25VE0BG |
| Special Feature | Wi-Fi Enabled |
| Power Source | Corded Electric |
| Control Method | Remote Control |
| Installation Type | Split |
Warranty Information and Customer Support
For specific warranty terms and conditions, please refer to the warranty card included with your product or consult your purchase documentation. Warranty periods and coverage may vary by region and retailer.
If you require technical assistance, service, or have questions regarding your Hisense air conditioner, please contact Hisense customer support or your authorized dealer. Have your model number (DJ25VE0BG) and serial number ready when contacting support.