1. Introduction
This manual provides essential information for the safe and efficient operation of your Crompton Solarium Qube IOT 15L Smart Storage Water Heater. Please read these instructions carefully before installation and use, and retain them for future reference. This appliance is designed to provide hot water for domestic use, featuring smart controls for enhanced convenience.

Image: Front view of the Crompton Solarium Qube IOT 15L Smart Storage Water Heater, showing its compact design and digital display.
2. Important Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and personal injury.
- Read all instructions before using the water heater.
- Ensure the water heater is properly grounded.
- Do not operate if the power cord or plug is damaged.
- Installation must be performed by qualified personnel in accordance with local codes and this manual.
- Do not block or cover any openings on the appliance.
- Keep children away from the appliance during operation.
- Disconnect power before performing any maintenance or cleaning.
- The water heater is equipped with advanced 3-level safety features including a Capillary Thermostat, automatic thermal cut-out, and a multi-functional valve for enhanced protection.

Image: Icon representing advanced 3-level safety features, including multiple shields.
3. What's in the Box
Upon unpacking, ensure all the following components are present:
- Crompton Solarium Qube IOT Water Heater Unit
- Flexible Pipes
- Plug Tops
- Fasteners for wall mounting
- User Manual (this document)
4. Setup and Installation
Installation of the Crompton Solarium Qube IOT water heater should be carried out by a qualified technician. Ensure the installation site meets the following requirements:
- Wall Mounting: The water heater is designed for wall mounting. Ensure the wall is strong enough to support the weight of the unit when full (approximately 8 kg dry weight + 15 kg water = 23 kg).
- Dimensions: Consider the product dimensions (40W x 40.5H Centimeters, Depth 390mm) for appropriate placement.
- Water Connection: Connect the flexible pipes to the water inlet and outlet. Ensure proper sealing to prevent leaks. The maximum pressure rating is 8 Bars.
- Electrical Connection: Connect the water heater to a grounded 230 Volts (AC) power source. The power cord length should be considered relative to the main socket location.
- Initial Fill: Before switching on, ensure the tank is completely filled with water. Open a hot water tap in your home to allow air to escape and water to fill the tank. Close the tap once water flows steadily.

Image: Diagram showing the dimensions of the Crompton Solarium Qube IOT water heater (400mm width, 405mm height, 390mm depth) next to two people for scale.
4.1 Smart Connectivity Setup
To utilize the smart features, download the Crompton mobile app and follow the in-app instructions to pair your water heater with your home Wi-Fi network. This enables remote control and voice command functionalities.

Image: A hand holding a smartphone displaying the Crompton app interface, controlling the Solarium Qube IOT water heater, indicating IOT enabled functionality.
5. Operating Instructions
5.1 Basic Operation
- Power On/Off: Use the main power switch to turn the water heater on or off.
- Digital Temperature Display: The integrated digital display shows the current water temperature.
- Temperature Adjustment: Adjust the desired water temperature using the controls on the unit or via the Crompton mobile app. The maximum heat output is 75 degrees Celsius.

Image: Close-up of the Crompton Solarium Qube IOT water heater showing its digital temperature display and control buttons.
5.2 Smart Features
The Solarium Qube IOT offers advanced smart functionalities:
- Crompton Mobile App: Control the water heater remotely from anywhere. Features include:
- Smart Scheduler: Set specific times for heating.
- Energy Consumption Tracker: Monitor energy usage.
- Pre-set Timer: Schedule heating cycles.
- Customized Bath Modes: Select from various pre-defined bathing experiences.
- Voice Control: Integrate with Alexa and Google Assistant for hands-free operation. Use voice commands to turn the heater on/off, adjust temperature, or select bath modes.

Image: Visual representation of the Crompton Solarium Qube IOT's smart features, including customized bathing modes (Custom, Comfort, Hygiene, Hot Spring) and compatibility with Alexa and Google Assistant.
6. Maintenance
Regular maintenance ensures the longevity and efficient operation of your water heater.
- Cleaning: Periodically wipe the exterior of the water heater with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Drainage: If the water heater is not going to be used for an extended period or during freezing temperatures, drain the tank to prevent damage. Consult a qualified technician for this procedure.
- Anode Rod Inspection: The anode rod helps prevent corrosion. It should be inspected and replaced periodically by a qualified technician, typically every 1-2 years, depending on water quality.
- Rustproof Design: The Solarium Qube IOT features a rustproof design, contributing to its durability.

Image: A visual highlighting the rustproof feature of the Crompton Solarium Qube IOT water heater, showing a protective shield icon.
7. Troubleshooting
Before contacting customer support, refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water | No power, thermostat tripped, heating element failure. | Check power supply. Reset thermostat (if accessible). Contact service for element check. |
| Water not hot enough | Temperature setting too low, excessive hot water usage, sediment buildup. | Increase temperature setting. Allow more recovery time. Contact service for descaling. |
| Water leakage | Loose connections, faulty pressure relief valve, tank corrosion. | Tighten connections. Inspect pressure relief valve. Contact service immediately. |
| Smart features not working | Wi-Fi connectivity issues, app not paired, incorrect voice commands. | Check Wi-Fi router and signal strength. Re-pair device in Crompton app. Refer to app instructions for voice commands. |
For issues not listed here or if solutions do not resolve the problem, please contact Crompton customer support.
8. Technical Specifications
| Feature | Detail |
|---|---|
| Brand | Crompton |
| Model Number | ASWH-3315 |
| Capacity | 15 Liters |
| Power Source | Corded Electric |
| Voltage | 230 Volts (AC) |
| Heat Output | Up to 75 Degrees Celsius |
| Maximum Pressure | 8 Bars |
| Mount Type | Wall |
| Product Dimensions (W x H) | 40W x 40.5H Centimeters |
| Item Depth | 390 mm |
| Item Weight | 8 Kilograms |
| Special Features | Rustproof, Wi-Fi Enabled, Digital Temperature Display, Alexa/Google Assistant Control, Smart Scheduler, Energy Consumption Tracker, Pre-set Timer, Customized Bath Modes, Advanced 3 Level Safety |
| Material Type | Plastic |
| Color | White |
| Manufacture Year | 2024 |
9. Warranty Information
Crompton provides the following warranty from the date of purchase:
- Tank: 7 years warranty
- Heating Element: 2 years warranty
- Product: 2 years warranty
The warranty is limited to manufacturing defects only. For service, customers need to call the nearby Authorized Service Center. A service engineer will visit the site for repair or inspection.
10. Customer Support
For any queries, service requests, or technical assistance, please contact Crompton customer support:
- Manufacturer: Crompton Greaves Consumer Electricals Limited
- Address: Equinox Business Park, 1st Floor, Tower 3, LBS Marg, Kurla (W), Mumbai 400070, Maharashtra, India
- Refer to your purchase documentation or the official Crompton website for the most current contact numbers and email addresses.