1. Taw qhia
Thank you for choosing the Racold Omnis Wi-Fi 15L Vertical Storage Water Heater. This manual provides essential information for the safe installation, operation, and maintenance of your appliance. Please read these instructions carefully before using the water heater and retain them for future reference.
Cov ntaub ntawv tseem ceeb ntawm kev nyab xeeb
- Ensure the water heater is installed by a qualified technician in accordance with local regulations and this manual.
- Tsis txhob siv cov khoom siv yog tias nws puas lossis ua haujlwm tsis zoo.
- Ib txwm txiav lub hwj chim ua ntej ua kev tu lossis tu.
- This appliance is designed for heating water only. Do not use it for other purposes.
- Ensure proper earthing for electrical safety.
2. Khoom Tshajview thiab nta
The Racold Omnis Wi-Fi water heater combines advanced technology with energy efficiency to provide a comfortable and convenient hot water experience.

Daim duab 2.1: Pem hauv ntej view of the Racold Omnis Wi-Fi 15L Water Heater.
Cov yam ntxwv tseem ceeb:
- Titanium Plus Technology: Features a specially designed titanium steel tank with titanium enamel coating and a heating element resistant to pressure and water impurities, ensuring superior durability.
- Eco Muaj nuj nqi: A self-learning function that monitors and regulates water temperature based on usage patterns, optimizing energy savings without compromising comfort.
- Auto Diagnosis: A microprocessor-based system that automatically checks all parameters, providing safety against electric shocks, sending notifications, and shutting off in case of malfunction.
- Ease of Control (Racold Net App): Control your water heater remotely from anywhere, anytime using the Racold Net App. Schedule baths, adjust temperature, and monitor energy usage.
- Smart Bath Logic: Intelligent functions allow you to choose from options like bucket bath or shower bath, helping to save up to 30% electricity.
- Safety Plus: Provides three levels of safety against high temperature and pressure with a cutout, thermostat, and safety valve.
- Lub suab tswj: Tau tshaj nrog Alexa thiab Google Assistant rau cov lus txib suab yooj yim.

Daim duab 2.2: Tshajview of Racold Omnis Wi-Fi smart features.
3. Kev teeb tsa thiab kev teeb tsa
Professional installation is highly recommended for the Racold Omnis Wi-Fi water heater to ensure safety and optimal performance. Please contact Racold customer care for installation assistance.
Cov kauj ruam installation (Tshajview):
- Mounting: The water heater is designed for vertical wall mounting. Ensure the wall can support the weight of the unit when full of water.
- Kev sib txuas dej: Connect the inlet and outlet pipes. Note that inlet and outlet pipes are typically provided by the technician during installation. Ensure all connections are watertight.
- Kev sib txuas hluav taws xob: Connect the water heater to a dedicated electrical circuit with proper earthing, as per local electrical codes.
- Filling lub tank: Before switching on the power, open a hot water tap in your home to allow air to escape and the tank to fill completely with water. Close the tap once water flows steadily.
- Kev Tshawb Fawb Thawj: Inspect for any leaks from the connections.

Fig 3.1: Example of Racold Omnis Wi-Fi water heater installed.
Racold Net App Setup:
- Download tau Racold Net App los ntawm koj lub khw muag khoom app ntawm koj lub xov tooj ntawm tes.
- Follow the in-app instructions to create an account and connect your water heater to your home Wi-Fi network.
- Once connected, you can control the water heater remotely.

Figure 3.2: Racold Net App interface for remote control.
4. Cov lus qhia ua haujlwm
Your Racold Omnis Wi-Fi water heater offers both manual and smart control options.

Figure 4.1: Water heater control panel.
Kev ua haujlwm ntawm tes:
- Fais fab / Off: Use the main power switch on the appliance or the wall switch to turn the unit on or off.
- Kev kho qhov kub thiab txias: Use the control knob or buttons on the front panel to set your desired water temperature. The display will show the current settings.
Smart Operation (Racold Net App):
- Chaw taws teeb tswj: Open the Racold Net App on your smartphone to turn the water heater on/off, adjust temperature, and monitor its status from anywhere.
- Teem sijhawm: Set weekly schedules for heating cycles to ensure hot water is available when needed, optimizing energy consumption.
- Smart Bath Logic: Select specific bathing modes (e.g., 'Bucket Bath', 'Shower Bath') through the app. The water heater will then heat water to the optimal temperature and quantity for your chosen mode, saving energy.
- Eco Muaj nuj nqi: Activate the Eco Function via the app. The appliance will learn your usage patterns and automatically adjust heating cycles to maximize energy savings.
- Kev Saib Xyuas Zog: The app provides insights into your energy consumption, helping you track and manage electricity usage.
- Kev ceeb toom: Receive smart notifications regarding shower readiness, hot water availability, and any potential product issues detected by the Auto Diagnosis system.
Lub suab tswj:
Integrate your Racold Omnis Wi-Fi water heater with Alexa or Google Assistant. Follow the instructions in the Racold Net App to link your device and use voice commands for basic operations like turning on/off or adjusting temperature.
5. Kev tu
Kev saib xyuas tsis tu ncua ua kom lub neej ntev thiab kev ua haujlwm zoo ntawm koj lub rhaub dej.
Kev tu txhua hnub:
- Kev ntxuav sab nrauv: Ntxuav sab nraud casing zoo,damp daim ntaub. Tsis txhob siv cov tshuaj abrasive los yog cov kuab tshuaj.
- Kev Tshawb Xyuas Kev Nyab Xeeb Valve: Periodically check the pressure relief valve (safety valve) by lifting its lever. Ensure water flows out and then reseats properly. Refer to the installation diagram for its location.
- Draining the Tank (if needed): If the water heater will be out of use for an extended period or for descaling, drain the tank. This process should ideally be performed by a qualified technician.
- Kev Tshuaj Xyuas Anode Qws: The sacrificial anode rod protects the tank from corrosion. It should be inspected and replaced periodically by a qualified technician, typically every 1-3 years depending on water quality.
Warning: Always disconnect power to the water heater before performing any maintenance.
6. Kev daws teeb meem
This section addresses common issues you might encounter with your Racold Omnis Wi-Fi water heater.
| Teeb meem | Ua Tau | Kev daws |
|---|---|---|
| Tsis muaj dej kub | No power; thermostat setting too low; heating element failure. | Check power supply and circuit breaker. Adjust thermostat. Contact customer care if element failure is suspected. |
| Dej tsis kub txaus | Thermostat setting too low; excessive hot water usage; sediment buildup. | Increase thermostat setting. Allow more recovery time. Consider professional descaling. |
| Lub tshuab cua sov dej xau | Loose connections; faulty pressure relief valve; tank corrosion. | Tighten connections. Check pressure relief valve. Contact customer care for tank issues. |
| Wi-Fi txuas teeb meem | Incorrect Wi-Fi password; router too far; network interference. | Verify Wi-Fi password. Move router closer or use a Wi-Fi extender. Restart router and water heater. Reconfigure Wi-Fi in the app. |
| Error codes/Malfunction | Internal system fault detected by Auto Diagnosis. | Refer to the Racold Net App for specific error details. Disconnect power for a few minutes and restart. If the issue persists, contact customer care. |
For issues not listed here or if solutions do not resolve the problem, please contact Racold customer care.
7. Cov lus qhia tshwj xeeb
| Specification | Tus nqi |
|---|---|
| Hom | Racold |
| Qauv nab npawb | OMNSWIFI15L |
| Muaj peev xwm | 15 Litres |
| Wattage | 2000 Watts |
| Voltage | 240V (AC) |
| Kev ua haujlwm siab tshaj plaws | 8 Bars |
| Mounting Hom | Vertical Phab ntsa Mount |
| Khoom Dimensions | 32.4W x 36 hli |
| Xim | Nyiaj |
| BEE Star Rating | 4 Lub hnub qub |
| Lub Tebchaws Keeb Kwm | Nyab Laj |
8. Warranty thiab Support
Warranty Information:
- Khoom Warranty: 2 xyoo
- Heating Element Warranty: 4 xyoo
- Kev Pov Thawj Tank: 7 xyoo
Please refer to the included Warranty Manual and Warranty Card for complete terms and conditions.
Kev Pab Txhawb Cov Neeg Siv Khoom:
For any assistance related to the product, installation, or service, please contact Racold customer care. Contact details can be found on your warranty card or the official Racold webqhov chaw.
Cov Cheebtsam suav nrog: Product, Warranty manual, Warranty card.

Figure 8.1: Racold's recognition for energy efficiency.
9. Khoom Video
Video 9.1: Ib qho dhau losview of the Racold Omnis Wi-Fi water heater's features and benefits.