1. Product Overview
The Crompton Solarium Neo 3-Litre, 3KW Instant Water Heater is designed to provide quick and efficient hot water. This compact unit features a rust-proof ABS body and incorporates multiple safety mechanisms for reliable daily use.

Image: Front view of the Crompton Solarium Neo 3-Litre Instant Water Heater.
Key Features
- Energy Efficient: Designed for optimal energy consumption.
- Rust Proof ABS Body: Ensures durability and longevity.
- 3000 W Heating Element: Provides rapid water heating.
- 3-Litre Capacity: Suitable for instant hot water needs.
- 6.5 Bar Pressure Rating: Compatible with high-rise buildings.
- 4-Level Safety: Integrated safety features for secure operation.
- Anti-Siphon Protection: Prevents backflow and dry heating damage.
- ISI Marked Nickel Coated Special Element: Resists scale formation.
Video: An overview of the Crompton Solarium Neo Instant Water Heater's features and benefits, presented by a user.
2. Safety Information
Your safety is paramount. This water heater is equipped with advanced safety features. Please read and understand all safety instructions before installation and use.
4-Level Safety System
The Solarium Neo incorporates a robust 4-level safety system to ensure safe operation:
- Capillary Thermostat: Automatically controls water temperature.
- Automatic Thermal Cut-out: Shuts off power if temperature exceeds safe limits.
- Pressure Release Valve (PRV): Releases excess pressure to prevent tank damage.
- Fusible Plug: A secondary safety device that melts to release pressure in extreme conditions.

Image: Graphic illustrating the 4-level safety feature.
Anti-Siphon Protection
This feature prevents water from flowing back into the main water line and protects the heating element from damage due to dry heating (operating without water).

Image: Graphic depicting anti-siphon protection preventing dry heating.
Rust and Shock Proof Body
The outer body is constructed from rust-proof ABS plastic, ensuring durability and safety against electrical shocks.

Image: Graphic highlighting the rust-proof feature.

Image: Graphic illustrating the shock-proof design.
3. Installation Guide
Professional installation is recommended for this appliance. Ensure all local electrical and plumbing codes are followed.
Before Installation
- Unpack the water heater and inspect for any damage.
- Ensure the installation location is suitable for wall mounting and can support the weight of the unit when full.
- Verify that the electrical supply matches the product's requirements (240V, 50Hz, 3KW).
- Ensure adequate water pressure (up to 6.5 bar).
Mounting the Water Heater
The Crompton Solarium Neo is designed for vertical wall mounting only. Refer to the dimensions below for proper placement.

Image: Product dimensions for installation planning.
Water and Electrical Connections
Connect the water inlet and outlet pipes, and ensure secure electrical wiring. The unit comes with an ISI marked quality power cord.

Image: Rear view of the water heater indicating water inlet/outlet and electrical connection points.
- Connect the cold water supply to the inlet (blue marked pipe).
- Connect the hot water outlet to the fixture (red marked pipe).
- Ensure all plumbing connections are watertight.
- Connect the power cord to a suitable 16A power socket.
4. Operating Instructions
Follow these steps for safe and efficient operation of your instant water heater.
First Use
- Ensure the water heater is properly installed and all connections are secure.
- Open the hot water tap at your fixture to allow air to escape from the tank.
- Turn on the cold water supply to the water heater. Wait until water flows steadily from the hot water tap, indicating the tank is full.
- Close the hot water tap.
- Plug in the water heater or switch on the power supply.
- The neon indicator lights will illuminate, showing the unit is heating.
Daily Operation
Once installed and filled, operating the water heater is straightforward:
- Switch on the power supply to the water heater.
- The red indicator light typically signifies heating in progress, while the green light indicates the desired temperature has been reached or power is on.

Image: Neon indicators showing operational status.
- When hot water is needed, open the hot water tap at your fixture.
- The water heater will instantly provide hot water.
- After use, switch off the power supply to conserve energy.
5. Maintenance
Regular maintenance ensures the longevity and efficient performance of your water heater.
Cleaning
- Always disconnect the power supply before cleaning.
- Wipe the exterior of the water heater with a soft, damp cloth. Do not use abrasive cleaners or solvents.
Descaling
The nickel-coated special element is designed to resist scale formation. However, in areas with hard water, periodic descaling may be necessary. This should be performed by a qualified technician.

Image: Graphic representing the corrosion-resistant heating element.
6. Troubleshooting
If you encounter issues with your water heater, refer to the table below for common problems and solutions. For complex issues, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water | No power supply; Thermal cut-out activated; Heating element failure | Check power connection/switch; Reset thermal cut-out (if accessible and safe); Contact service for element replacement. |
| Water not hot enough | Low wattage; High flow rate; Scale build-up | Ensure correct wattage unit; Reduce water flow; Descale (professional service recommended). |
| Water leakage | Loose connections; Damaged tank/pipes; PRV discharge | Tighten connections; Contact service for repair; PRV discharge is normal during heating if pressure is high. |
| Unusual noise | Sediment build-up; Loose components | Flush tank (professional service recommended); Contact service for inspection. |
7. Technical Specifications
Detailed specifications for the Crompton Solarium Neo 3-Litre, 3KW Instant Water Heater.
| Specification | Value |
|---|---|
| Brand | Crompton |
| Model Number | AIWH-3LSOLNEO(3KW) |
| Capacity | 3 Litres |
| Wattage | 3000 Watts |
| Voltage | 240V |
| Maximum Pressure | 6.5 Bars |
| Power Source | Electric |
| Mount Type | Wall (Vertical Only) |
| Body Material | ABS Plastic |
| Product Dimensions (W x H) | 19W x 38.5H Centimeters |
| Item Weight | 2.7 Kilograms |
| Included Components | Water Heater, Instruction manual, Warranty card |
8. Warranty and Support
Information regarding your product's warranty and how to obtain customer support.
Warranty Information
The Crompton Solarium Neo 3-Litre, 3KW Instant Water Heater comes with a 2-year warranty on the product from the date of purchase. Please retain your purchase receipt and warranty card for future reference.

Image: Product packaging highlighting warranty details.
Customer Support
For any queries, service requests, or technical assistance, please contact Crompton customer care:
- Manufacturer Contact: Crompton Greaves Consumer Electricals Limited
- Address: Equinox Business Park, 1st Floor, Tower 3, LBS Marg, Kurla (W), Mumbai 400070, Maharashtra, India
- Phone: +91 22 6167 8499