1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Bajaj Shield Series Crest Plus 25L Water Heater. Please read these instructions carefully before using the appliance and retain them for future reference.
Figure 1: Bajaj Shield Series Crest Plus 25L Water Heater Overview
The Bajaj Shield Series Crest Plus 25L Water Heater is designed for domestic use, providing hot water efficiently. It features a BEE 5 Star rating for energy efficiency, a shock-resistant and rust-proof engineering thermoplastic body, and multiple safety systems for reliable performance.
2. Safety Instructions
Important: Failure to follow these safety instructions may result in electric shock, fire, or injury.
- Ensure the water heater is installed by a qualified technician in accordance with local regulations and this manual.
- Do not operate the water heater if the power cord or plug is damaged.
- Always disconnect the power supply before performing any maintenance or repairs.
- The appliance must be properly earthed.
- Do not block the pressure relief valve.
- Ensure the water heater is filled with water before switching on the power.
- Keep flammable materials away from the water heater.
- 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.
- Children should be supervised to ensure that they do not play with the appliance.
- The water heater is equipped with a Fire Retardant cable with a 16A Plug for enhanced safety.
Figure 2: Safety Features - Shock-Resistant Body and Fire Retardant Cable
3. Setup and Installation
The Bajaj Shield Series Crest Plus 25L Water Heater is designed for wall mounting. Professional installation is highly recommended to ensure proper functioning and safety.
3.1 Unpacking
- Carefully remove the water heater from its packaging.
- Check for any visible damage. If damaged, do not install and contact customer service.
- Verify all included components are present:
- 1N: Water Heater
- 1N: MFSV (Multi-Function Safety Valve)
- 2N: Plastic Coupler
- 1N: Instruction manual
- 1N: Warranty Card
3.2 Mounting Location
- Choose a suitable wall capable of supporting the full weight of the water heater when filled (approximately 36 kg for 25L capacity).
- Ensure adequate clearance around the unit for maintenance and ventilation.
- The water heater is suitable for high-rise buildings with a maximum operating pressure of 8 bars.
3.3 Plumbing Connections
- Connect the cold water inlet (usually marked blue) to the main cold water supply using one of the plastic couplers.
- Connect the hot water outlet (usually marked red) to the hot water distribution system using the other plastic coupler.
- Install the MFSV (Multi-Function Safety Valve) on the cold water inlet pipe. Ensure it is installed correctly to prevent overpressure.
- Ensure all connections are watertight.
3.4 Electrical Connections
- Ensure the electrical supply matches the voltage requirements of the water heater (4.5 Kilovolts).
- Connect the fire retardant cable with the 16A plug to a dedicated, properly earthed power outlet.
- Do not use extension cords or adapters.
3.5 Filling the Tank
- Before switching on the power, open a hot water tap in your home to allow air to escape from the tank.
- Allow water to flow from the hot water tap until a steady stream of water is observed, indicating the tank is full.
- Close the hot water tap.
4. Operating Instructions
Once installed and filled with water, your Bajaj Shield Series Crest Plus 25L Water Heater is ready for operation.
4.1 Powering On
- Plug the 16A power cord into the wall socket.
- Switch on the main power supply to the water heater.
- The "Power On" indicator light will illuminate, indicating the unit is receiving power.
4.2 Setting Temperature
- Use the thermostat knob located on the front panel to set your desired water temperature.
- The "Heating Function" indicator light will illuminate when the water heater is actively heating water. It will turn off once the set temperature is reached.
4.3 Child Safety Mode
The water heater includes a Child Safety Mode. Refer to the detailed instructions in the included printed manual for activation and deactivation of this feature to prevent accidental temperature adjustments or operation by children.
Figure 3: Key Operational and Safety Components
5. Maintenance
Regular maintenance ensures the longevity and efficient operation of your water heater. Always disconnect the power supply before performing any maintenance.
5.1 Exterior Cleaning
- Wipe the exterior of the water heater with a soft, damp cloth.
- Do not use abrasive cleaners, solvents, or harsh chemicals.
5.2 Draining the Tank (If required)
If the water heater will not be used for an extended period or for servicing, it may need to be drained.
- Turn off the power supply to the water heater.
- Close the cold water inlet valve to the water heater.
- Open a hot water tap in your home to relieve pressure.
- Connect a hose to the drain valve at the bottom of the water heater and direct it to a suitable drain.
- Open the drain valve and allow the tank to empty completely.
- Once drained, close the drain valve and the hot water tap.
5.3 Anode Rod Inspection
The water heater is equipped with a Magnesium Anode, which helps protect the tank from corrosion. It is recommended to have a qualified technician inspect and replace the anode rod every 1-2 years, depending on water quality.
Figure 4: Internal Components for Durability and Corrosion Protection
6. Troubleshooting
Before contacting customer service, please review the following common issues and their potential solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water | No power supply; Thermostat set too low; Heating element failure. | Check power connection and circuit breaker; Adjust thermostat to a higher setting; Contact service technician. |
| Insufficient hot water | Thermostat set too low; High hot water demand; Sediment buildup in tank. | Increase thermostat setting; Allow more recovery time between uses; Contact service technician for descaling. |
| Water leaking | Loose plumbing connections; Faulty pressure relief valve; Tank corrosion. | Tighten connections; Inspect and replace MFSV if necessary; Contact service technician for tank inspection. |
| Unusual noises | Sediment buildup; Heating element issues. | Contact service technician for descaling or element inspection. |
For issues not listed above or if solutions do not resolve the problem, please contact Bajaj customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Bajaj |
| Model Number | 151016 |
| Capacity | 25 Litres |
| Product Dimensions (W x H) | 41 cm x 60 cm |
| Item Weight | 11 kg 100 g |
| Colour | White & Grey |
| Voltage | 4.5 Kilovolts |
| Efficiency | BEE 5 Star Rating |
| Maximum Operating Pressure | 8 Bars |
| Mounting Type | Wall |
| Power Source | Corded Electric |
| Tank Material | Bajaj DuraAce™ tank - Marine grade glassline coating |
| Heating Element | Bajaj Duracoat™ Non-stick heating element |
| Thermostat | Bajaj DuraNte™ Thermostat |
| Surge Protection | Bajaj VoltagePro™ - Withstand 4.5KV surge Voltage |
| Body Material | Shock resistant & rust proof Engineering Thermoplastic body |
| Included Components | Water Heater, MFSV, Plastic Couplers (2), Instruction Manual, Warranty Card |
Figure 5: Product Dimensions
8. Warranty and Support
Your Bajaj Shield Series Crest Plus 25L Water Heater comes with a warranty. Please refer to the included "Warranty Card" for detailed terms, conditions, and duration of the warranty.
For technical assistance, service requests, or any queries regarding your water heater, please contact Bajaj customer support.
- Manufacturer: M/s Indus Appliances Pvt Ltd
- Customer Service: Refer to your Warranty Card or the Bajaj official website for contact details.