Crompton ASWH-3906
Crompton Solarium Care 6-L Storage Water Heater User Manual
Model: ASWH-3906
Introduction
This manual provides essential instructions for the safe and efficient operation, installation, and maintenance of your Crompton Solarium Care 6-L Storage Water Heater. Please read this manual thoroughly before installation and use, and retain it for future reference.
The Crompton Solarium Care water heater is designed for durability and performance, featuring a rust-proof plastic body, a glassline coated tank, and advanced safety mechanisms. It is suitable for high-rise buildings due to its ability to withstand up to 8 bar pressure.
Important Safety Information
Always follow basic safety precautions to reduce the risk of fire, electric shock, and personal injury. This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Ensure the water heater is installed by a qualified technician.
- Do not operate the water heater if it has a damaged cord or plug, or if it is not working properly.
- Do not immerse the appliance in water or any other liquid.
- Always disconnect the power supply before performing any maintenance or cleaning.
- The water heater is equipped with a 3-level safety system including a capillary thermostat, automatic thermal cut-out, and a multi-functional valve for protection against electric shocks and malfunction.
- Do not block the pressure relief valve.
Setup and Installation
Installation of the Crompton Solarium Care water heater should be performed by a certified professional to ensure safety and proper functioning. The product includes free wall mounting installation and a free pipe kit.
1. Unpacking
- Carefully remove the water heater from its packaging.
- Inspect the unit for any signs of damage. If damaged, do not install and contact customer service.
- Ensure all included components are present: 1 Water Heater, installation accessories (pipes, mounting brackets).
2. Location Selection
- Choose a suitable wall for mounting, ensuring it can support the weight of the water heater when full.
- The location should be close to the point of use and a water supply.
- Ensure adequate ventilation and accessibility for maintenance.
3. Wall Mounting
- Mark the drilling points on the wall according to the mounting bracket dimensions.
- Drill holes and insert appropriate wall plugs.
- Securely fasten the mounting bracket to the wall.
- Carefully lift and hang the water heater onto the bracket.

Image: The Crompton Solarium Care water heater, model ASWH-3906, shown mounted on a wall, highlighting its compact dimensions and design suitable for indoor installation.
4. Water Connections
- Connect the cold water inlet to the blue marked inlet pipe of the water heater.
- Connect the hot water outlet to the red marked outlet pipe of the water heater.
- Install the multi-functional valve (pressure relief valve) on the cold water inlet.
- Ensure all connections are tight to prevent leaks.
5. Electrical Connection
- Ensure the main power supply is switched off before making electrical connections.
- Connect the water heater to a properly grounded electrical outlet.
- Verify that the voltage and frequency match the specifications of the appliance.
Operating Instructions
1. Initial Start-up
- Before switching on the power, ensure the water heater tank is completely filled with water. Open a hot water tap to allow air to escape until water flows steadily.
- Once the tank is full, close the hot water tap.
- Switch on the main power supply to the water heater.
2. Temperature Control
- The water heater features a temperature control knob, typically located on the front panel.
- Rotate the knob to adjust the desired water temperature. Higher settings will result in hotter water.
- The color-changing LED indicator will show the heating status.

Image: Close-up of the Crompton Solarium Care water heater's front panel, showing the temperature control knob and the color-changing LED indicator for operational status.
3. Customized Bath Modes
The Solarium Care offers specialized bathing modes for enhanced user experience:
- Baby Care Mode: Provides water at a suitable temperature for infant bathing, preventing scalding.
- Hair Care Mode: Delivers water at an optimal temperature for hair washing, which can help maintain hair health.
- Hygiene Mode: Heats water to a temperature suitable for general hygiene purposes.
Refer to the control panel markings or specific instructions on how to select these modes. The color-changing LED indicator may also provide feedback on the selected mode.

Image: Promotional image for Crompton Solarium Care, illustrating the "Perfect Care for your Loved ones" feature with icons for Hygiene Mode, Baby Care, and Hair Care, along with a certification badge.
4. Standby Cut-off
The water heater features a smart design with a standby cut-off function, which helps in consuming less electricity and performing efficiently by automatically switching off when not in active use or when the set temperature is reached.
Maintenance
Regular maintenance ensures the longevity and efficient operation of your water heater. Always disconnect the power supply before performing any maintenance.
1. Cleaning
- Wipe the exterior of the water heater with a soft, damp cloth.
- Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the plastic body.
2. Anode Rod Inspection and Replacement
The Crompton Solarium Care is equipped with a sacrificial magnesium anode rod designed to protect the inner tank from corrosive elements. This rod slowly corrodes over time to protect the tank. It should be inspected annually by a qualified technician and replaced as needed, typically every 1-3 years depending on water quality.

Image: A visual representation of the internal components of the water heater, highlighting the smart shield corrosion protection provided by the magnesium anode rod and the powerful heating element.
3. Pressure Relief Valve Check
- Periodically check the pressure relief valve to ensure it is not blocked and is functioning correctly.
- Consult a qualified technician for this check.
Troubleshooting
Before contacting customer service, please refer to the following common issues and their potential solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water |
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| Water not hot enough |
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| Water leakage |
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| Unusual noises |
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If the problem persists after attempting these solutions, or if you encounter any other issues, please contact Crompton customer service.
Product Specifications
| Feature | Detail |
|---|---|
| Brand | Crompton |
| Model Number | ASWH-3906 (Solarium Care) |
| Capacity | 6 Liters |
| Power Source | Corded Electric |
| Product Dimensions (W x H) | 39W x 43H Centimeters |
| Special Features | Rustproof Plastic Body, Glassline Coated Tank, 3-Level Safety, Customized Bath Modes (Baby Care, Hair Care, Hygiene), Standby Cut-off, Magnesium Anode Rod |
| Maximum Pressure | 8 Bars |
| Mount Type | Wall Mounted |
| Material Type | Plastic |
| Energy Rating | 5 Star Rated |

Image: The Crompton Solarium Care water heater displayed next to two individuals, illustrating its physical dimensions of 390 mm (1.28 ft) width and 430 mm (1.41 ft) height, with a depth of 345 mm (1.13 ft).
Warranty and Support
Your Crompton Solarium Care water heater comes with a manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions, including warranty period for the tank and heating element.
Extended warranty options may be available, such as the Onsitego 2 Year Extended Warranty for an additional cost.
For technical assistance, service requests, or to report any issues, please contact Crompton customer service. Keep your purchase receipt and model number (ASWH-3906) handy when contacting support.
You can typically find contact information on the Crompton official website or on the product packaging.
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