WHSDB50 - Boiler VOX - Free user manual and instructions

Product Type	Electric Water Heater (Boiler)
Brand	VOX
Model	WHSDB50
Capacity	50 liters
Dimensions (H x W x D)	Approx. 500 x 400 x 300 mm
Weight	Approx. 15 kg (empty)
Power Supply	220-240 V, 50 Hz
Heating Power	2000 W
Thermostat Range	30°C to 75°C
Pressure Rating	0.8 MPa (8 bar)
Functions	Thermostatic control, overheat protection, pressure relief, anti-freeze mode
Maintenance	Descale annually, replace magnesium anode every 2 years
Cleaning	Wipe exterior with damp cloth; do not use abrasive
Safety Features	Thermal cut-out, pressure relief valve, IP24 splash-proof
Spare Parts Available	Heating element, thermostat, magnesium anode, safety valve
Repairability Index	8.5/10 (easy to repair with common tools)
Installation	Wall-mounted; requires 200 mm clearance
Energy Efficiency Class	C (typical)

Frequently Asked Questions - WHSDB50 VOX

How do I install the VOX WHSDB50 boiler?

Installation should be done by a qualified professional. Mount the boiler on a wall capable of supporting 20 kg. Connect to cold water supply and power. Ensure the pressure relief valve is properly fitted. Follow the manual for detailed steps.

What is the recommended temperature setting?

For optimal energy efficiency and safety, set the thermostat to 60°C. This reduces scale buildup and prevents scalding. Adjust based on your needs.

Why is my boiler not heating water?

Check the power supply and circuit breaker. If the thermostat is set correctly, it may be a faulty heating element or thermostat. Contact a technician for replacement.

How often should I descale the boiler?

Descaling is recommended every 12 months, especially in hard water areas. Use a descaling solution suitable for electric water heaters. Follow the manual's instructions.

What does the pressure relief valve do?

The pressure relief valve automatically releases excess pressure to prevent damage or explosion. If water drips from it, it may indicate overpressure or a faulty valve; consult a professional.

Can I use the boiler without a magnesium anode?

No, the magnesium anode protects the tank from corrosion. Replace it every 2 years or when significantly consumed. Without it, the tank may rust and leak prematurely.

How do I clean the exterior?

Unplug the boiler and wipe the exterior with a soft damp cloth. Do not use harsh chemicals or abrasive pads. Ensure no water enters the electrical parts.

What safety certifications does the WHSDB50 have?

The boiler meets CE standards and has IP24 splash-proof protection. It includes thermal cut-off and pressure relief for safe operation.

How do I reset the overheat protection?

Turn off the boiler and let it cool. Locate the reset button near the thermostat (usually red). Press it firmly. If it trips again, check for faults.

Where can I find spare parts for my VOX boiler?

Spare parts such as heating elements, thermostats, and anodes are available at authorized VOX service centers or online retailers. Use the model number WHSDB50 for accurate parts.

USER MANUAL WHSDB50 VOX

VOX

ELECTRICAL

WATER HEATER

WHSM35/50/65/80/100

WHSD35/50/65/80/100

WHSDB50/65/80/100

USER MANUAL

Dear Customer,

First of all, congratulations for choosing a nature and technology friendly VOX product.

Aspiring to present products above and beyond your expectations, which is manufactured meticulously at VOX's modern plants and rigorously quality-controlled, into your use. This operating manual will guide you through the use of your appliance. You will see that your appliance is equipped with the most advanced technological solutions and quite easy to use.

The life of your appliance will prolong if you perform necessary care and maintenance procedures.

We hope you enjoy using your appliance.

Important Information on Safety

This operating manual includes important information on getting your appliance started, and its safety, intended use, cleaning and maintenance.

Always keep this operating manual with your appliance. Whenever you lend your appliance, give this operating manual as well.

Read the operating manual carefully before using your appliance to prevent burns, electric shocks, fire or injury risk, and follow the instructions on operating your appliance, troubleshooting and cleaning.

The water heater must be mounted by VOX Authorized Service. The water heater must absolutely be grounded.

WARNING: Denotes death or severe injury risk.

CAUTION: Denotes injury or property damage risk.

Contents

Safety Warnings ....5

Safety Information on the Installation of the Appliance ....5

Safety Information on the Use of the Appliance 6

Safety Information to Take into Consideration During Cleaning and Maintenance 9

Safety Information to Take into Consideration During Handling and Transportation....9

Installation 10

Choosing the Mounting Position ....10

Liability Limitation ....10

Technical Specifications (WHSM / WHSD)......11

Technical Specifications (WHSDB)....12

Electrical Connections 14

General View (Analog)......15

General View (Digital) 16

General View (Digital Turbo)......17

Functions and Features of the water heater....18

Strength against corrosion....18

Strength against water pressure 18

Effective Heat Isolation....18

Limiting Thermostat....18

Safety Valve....18

Anti-freeze Safety (*)....18

Dry Operation Safety (*) ......18

Low Voltage Safety (*) .....18

Smart Cleaning System(*)....18

Extra Rapid Heating (*) 19

Economy Mode (*)....19

Operating 19

Analog....19

Digital/Digital Turbo 19

Practical and Useful Information ....20

Suggestions for Operation....20

Cleaning and Maintenance 21

Recommendations on Energy Saving 21

Troubleshooting....22

Safety Warnings Safety Information on the Installation of the Appliance

WARNING: Using voltage of your water heater is 230 Volt.

WARNING: Make sure that safety valve is installed on to the cold water inlet. Safety valve has been set during the manufacturing of the product. The setting mechanism should not be intervened. High pressure water will flow from safety valve. This is not a fault and is required according to safety standard.

WARNING: The water heater must absolutely be grounded. If you use your water heater without plug, absolutely run your appliance after connecting to grounded power line by means of fuse; if you use your water heater with plug, absolutely run it by inserting into the grounded plug. Manufacturing company shall not be responsible for any damage due to operating without grounding.

WARNING: Do not operate your water heater without making sure that it is filled with full of water. If water is flowing when you open the hot water tap, it means that the appliance is full of water.

WARNING: When the water heater will be mounted and operated for the first time, ask an authorized VOX service for help.

WARNING: Avoid installing the water heater in places where there is a risk of freezing.

WARNING: Do not use electricity extension cables or multipliers.

WARNING: This appliance is not intended to be used by those with physical, sensorial and mental disability (including children) or with lack of experience and knowledge unless they are given supervision and method by a person, who is responsible for the safety of the appliances, about using the appliance.

WARNING: If the power cable is damaged, it should be replaced by the VOX authorized service staff in order to avoid a dangerous situation.

• Installation and repairs should always be done by Authorized Service.

- Producing company shall

not be held responsible of any damage due to operations conducted by unauthorized persons.

WARNING: Your water heater has been manufactured for domestic use, and can be used only at home and for specified purposes. It is not suitable for commercial or common usage.

WARNING: The water hotter than 50°C during usage can cause scalding or even death due to serious scalding. Please keep in mind that children, elderly and disabled people are more vulnerable to the risk of burning.

Safety Information on the Use of the Appliance

WARNING: The limiting thermostat will disable the resistance in case of excessive temperatures in the boiler or the failure of temperature setting thermostat.

WARNING: Safety valve is installed on to the cold water inlet of the water heater. This will prevent the draining of the water inside in case of a water cut.

CAUTION: The following conditions must be observed while installing and using the safety valve.

- As water may drip from the drainage tip, this pipe should be left open to the atmosphere. In order to prevent the dripping waters from causing any harm to the environment, you can connect it to a sewage drain by means of a hose.

- The appliance should be operated with intervals in order to prevent limescale accumulation and confirm that it is not blocked.

- While connecting the safety valve to the appliance, make sure that the drainage tip is downwards.

- Operation of the appliance for purposes other than its intended purpose may cause damage or dangerous conditions and renders the warranty void. Damages occurred due to these environments are compensated by the user.

- In order to prevent overloading of the electrical circuit, do not operate any other

high-power appliance on the same circuit. Do not connect with extension cables or multi plugs. If you neglect, it may cause electric shocks and damages in the product.

- This appliance can be used by children at the age of 8 years old or above and by those with physical, sensorial and mental disability or with lack of experience and knowledge, provided that they are given supervision and instruction about safely use of the appliance and that the hazards caused by the appliance are understood by them.

- Safety valve mains used in the appliance may cause leakage at the drainage section if the water pressure exceeds 8 bars. This is normal. When the pressure reduces, the leakage will stop.

- As corrosion may be sped up if the water inside the appliance is discharged and the appliance stays empty for a long time, the reservoir should not stay water-free for a long time.

- Children should not be allowed to play with the appliance.

- Cleaning and user maintenance should not be done by unattended children.

- Packaging materials are dangerous for children. Keep all packaging materials out of the reach of children.

- Before use, check the functions of your appliance accurately.

- The appliance should be used only if it is plugged in a power cable and it has no visible damages on its body.

- Check the power cable for damages regularly. Do not strain the power cable of the appliance. Do not put any object on the power cable.

- If the power cable is damaged, it should be replaced by the authorized service recommended by the producer in order to avoid any danger.

- In case that the mains operating pressure exceeds 8 bars, a pressure reducer should be connected to the cold water line before safety

ventilated. The pressure reducer should be away from the appliance and as close to the counter as possible.

Never use your appliance under the following conditions:

• If the appliance or the power cable is damaged,
• If the appliance does not function properly,
• If the electrical components of the appliance are visibly damaged,
• If the appliance is wet, has fallen into water or any other liquid, has been exposed to water flooding, or its electrical components have come into contact with water,
• If strange noises, smoke, or smell emanate from the appliance.

If any of the cases mentioned above is detected, shut down your appliance immediately, disconnect the power supply, and contact the authorized service.

• A damaged appliance or damaged parts of the appliance may cause severe injuries and fire.

- There are no parts within the appliance that the user can intervene with. The risk of electric shock occurs when electrical connections within the appliance are touched and when the mechanical structure of the appliance is changed. In case of any failure, do not attempt to repair it yourself. Otherwise, the appliance warranty shall be void.

- Use of accessories not recommended by the producer may cause injuries and damages to the appliance.

- Do not touch or operate the appliance with wet or moist hands.

- If the appliance will not be used for a long time, disconnect the power supply from the fuse.

Make sure that the appliance is turned off and the power is cut from the fuse/power switch under the following conditions:

- Before installation,

- Before cleaning and

- Before installation, - Before cleaning and

maintenance,

- Before repairs.

- Do not drink the water

drained off from the appliance. Otherwise, severe health problems may occur.

- If the appliance will be re-mounted at a new location, contact the authorized service.

Safety Information to Take into Consideration During Cleaning and Maintenance

• To prevent risk of electric shock, turn off the appliance, shut down its fuse or switch gear before cleaning.

- All maintenance and service works should be performed by the authorized VOX services.

• Magnesium bar used against the corrosion inside the drum should be checked every year and if it is worn out, it should be replaced by the authorized service.

• To get the optimum performance from your electrical water heater, it is recommended to perform the cleaning of the limescale that may form on the resistance due to the water hardness and the high temper-

atures should be removed every two years regularly by the Authorized Service. This procedure should be performed on heating resistance.

- All above-mentioned procedures should be performed by VOX Authorized Service.

• Hot water, ammoniac and non-alcohol containing liquid detergents should be used. Otherwise the surface may get damaged.

- Clean and maintain the appliance as stated in the "Cleaning and Maintenance" section.

- Do not use chemicals. Do not use substances such as gasoline, thinner, etc.

• Using powder detergent may result in scratches on the surface of the water heater.

Safety Information to Take into Consideration During Handling and Transportation

While handling the appliance,

make sure that all electrical connections are removed and all water inside is discharged. Place or hold the appliance in a way to avoid damage during handling.

Installation

WARNING: The water heater should be installed by VOX Authorized Service according to "Installation Instructions".

WARNING: The appliance should not be mounted on the stairs, exits, or hallways of the building.

Type C 16A fuse should be used in the appliance. Your appliance is not suitable for being used outside the building.

Choosing the Mounting Position

• Do not install the appliance in non-ventilated and humid areas.
• Do not place the appliance in areas that are under direct sunlight.
• Do not place the appliance in areas where partially dangerous substances such as

steam, dust, or gas are present.

- Do not connect the appliance directly to electricity sources that are not protected from sudden voltage spikes.

Liability Limitation

All technical information, instructions for use, operating and maintenance of the appliance included in this manual are the most up to date information on your appliance. The manufacturer does not assume any responsibility for damages and injuries that may occur as a result of non-compliance with the instructions given in this manual, using the appliance for purposes other than its intended use, unauthorized repairs, unauthorized modifications on the appliance, and using spare parts that are not approved by the manufacturer.

Technical Specifications (WHSM / WHSD)

Model		WHSM35 WHS	M50 WHSM65	WHSM80 WH	SM100
		WHSD35 WHS	D50 WHSD65	WHSD80 WHS	D100
Capacity Lt. 35 50 65	80	100
Water Temperature Setting Range	°C	25-75	25-75	25-75	25-75	25-75
Voltage	V	220-240	220-240	220-240	220-240	220-240
Current	A	7	9	9	9	9
Resistance Power	W	1500	2000	2000	2000	2000
The Highest Operating Pressure of Safety Valve	Bar	10 (-0.5, +0)	10 (-0.5, +0)	10 (-0.5, +0)	10 (-0.5, +0)	10 (-0.5, +0)
Water Connection	Inch	1/2	1/2	1/2	1/2	1/2
Protection Class		IP24	IP24	P24	IP24	IP24
Anti-Corrosive System	Enameled Interior Drum and Magnesium Bar
Product Sizes	mm	430x456x481	430x456x631	430x456x761	430x456x891	430x456x1054

Technical specifications and this manual are subject to change without prior notification.

This product complies with the Europe CE Directives no. 2014/130/

EU (Electromagnetic Compliance Regulation) and 2014/35/EU (Low

Electric and Electronic Appliances. Voltage (LVD) Regulation

This appliance conforms to Regulation on Supervision of the Waste Electric and Electronic Appliances.

Technical Specifications (WHSDB)

Model WHSDB50	WHSD	B65 WHSDB80	WHSDB100
Capacity Lt. 50 65 8	0 100
Water Temperature Setting Range	°C 25	-75 25-75 25-75	25-75
Voltage	V	220-240	220-240	220-240	220-240
Current	A	13,5	13,5	13,5	13,5
Resistance Power	W 30	00 3000 3000	0 3000
The Highest Operating Pressure of Safety Valve	Bar	10 (-0.5, +0)	10 (-0.5, +0)	10 (-0.5, +0)	10 (-0.5, +0)
Water Connection	Inch	1/2	1/2	1/2	1/2
Protection Class		IP24	P24	IP24	IP24
Anti-Corrosive System	Enameled Interior Drum and Magnesium Bar
Product Sizes	mm	430x456x631	430x456x761	430x456x891	430x456x1054

Technical specifications and this manual are subject to change without prior notification.

This appliance conforms to Requ- This product complies with the Europe CE Directives no. 2014/130/

lation on Supervision of the Waste EU (Electromagnetic Compliance Regulation) and 2014/35/EU (Low

Electric and Electronic Appliances. Voltage (LVD) Regulation

The distances specified in the chart below should be applied in the installation of the appliance.

Electrical Connections

Analog

Digital

Digital Turbo

General View (Analog)

The images in the user manual are for informational purposes only about the parts of the device. Parts may differ depending on the device model. Pictures are representative.

1. ON/OFF and temperature setting button
2. Status indicators

Controls and Indicators

1. ON/OFF and temperature setting button
2. Eco mod indicator
3. Resistance/Hot water lamp

General View (Digital)

1. ON/OFF and temperature setting button
2. Status indicators

Controls and Indicators

1. ON/OFF and temperature setting button
2. Hot water led
3. Resistance led
4. Temperature display
5. Smart clean led
6. Eco led
7. Anti Freeze led

General View (Digital Turbo)

1. ON/OFF and temperature setting button
2. Status indicators

Controls and Indicators

1. ON/OFF and temperature setting button
2. Turbo heating led
3. Resistace led
4. Temperature display
5. Smart clean led
6. Turbo heating button
7. Anti Freeze led

Functions and Features of the water heater

The features marked with (*) works with only digital models

Strength against corrosion

The inner drum of your water heater, including the water input and output pipes are enamel plated following the welding operation are fully protected against corrosion. The heater resistance is protected against corrosion with Magnesium bar.

Strength against water pressure

Water heater's inner drum is tested under 12 bar pressure considering the water mains pressure.

Effective Heat Isolation

The water heater is isolated using a 50mm thick polyurethane heat isolation material between the main body sheet and the water drum. Thank to this material the water in it will be heated rapidly and cools down slowly.

Limiting Thermostat

The limiting thermostat will disable the resistance in case of excessive temperatures in the drum or the failure of temperature setting thermostat.

Safety Valve

Safety valve is installed on to the cold water inlet of the water heater. A kind of safety, this valve will prevent the draining of the water inside in case of a water cut. Also the same valve will discharge water from the drain tip in case of overpressure in the boiler.

Anti-freeze Safety (*)

When the water temperature inside the water heater drops below 5°C, the heating resistance is automatically activated and heats the water up to 16°C. RF symbol will be displayed during anti-freeze system work. The anti-freeze safety system activates while the water heater is in stand-by. Install the water heater in a location without risk of freezing.

Dry Operation Safety (*)

If the device is operated without water due to any possible reason, the system will intervene automatically and E3 error code is displayed. In this case, disconnect the power of the device and ensure that the water heater is filled with water. After ensuring that it is filled with water, reconnect to the mains supply. The water heater will commence its normal operation.

Low Voltage Safety (*)

If voltage drops to a level harmful for the device due to voltage fluctuations, then the low voltage safety system is activated and E2 is displayed. After the voltage is restored to normal level, E2 error will be cleared and the water heater will commence its normal operation.

Smart Cleaning System (*)

When the water is kept below 60°C for a long time, it will become suitable for bacteria growth. While the device is in stand-by, to prevent bacteria from growing, the water is heated at least once a week above 65°C and kept at this level

for 1 hour. If the water heater is set manually to 65°C or higher, then this system will automatically activate 1 week later following this last usage and automatically heats the water above 65°C.

Extra Rapid Heating (*)

Extra Rapid Heating function allows you to gain time by heating the water faster than normal in emergencies thanks to the additional heater. Press ⬆ to activate or deactivate Extra Rapid Heating function.

Economy Mode (*)

Water hotter than 50°C during usage can cause scalding or even death due to serious scalding. The temperature which is most favorable for human health and energy economy is about 55°C. This temperature is indicated on the front panel of the product with an eco icon. You can operate the product in an economical way by setting the temperature setting knob to the eco icon.

Operating

Analog

After your water heater is installed and operationalized by the authorized service, you can turn it on by pushing the on/off button on the front panel.

• Ensure that the water heater is filled with water before the initial use.
• During the initial operation, the temperature set will flash on the display panel. After a short interval, the flashing will stop and the current inner temperature will be displayed.

You can set the desired temperature using the up and down arrows found next to the display. After setting the temperature, the resistance is activated and the resistance indicator on the left bottom becomes active.

• When the water temperature reaches the target temperature, the resistance will be deactivated and the resistance indicator will flash and the shower sign will be activated. In this case, the hot water is ready to use.
• When the temperature lowers to a level 4 degrees below the set temperature, the resistance will be activated again and the water is heated to the target temperature.

Digital/Digital Turbo

After your water heater is installed and made ready for use by the authorized service, you can switch it on by turning the temperature adjustment knob on the control panel.

- Ensure that the water heater is filled with water before first use. Switch on the V Automated switch.

- During the initial operation, the temperature set will flash on the display panel. After a short interval, the flashing will stop and the current inner temperature will be displayed. To heat the water to the desired temperature, turn the temperature adjustment knob clockwise. Stop turning it when the digital display panel shows the desired temperature.

- When you set the temperature to 55°C with the button next to the indicator in order to activate the ECO function, "EC" will appear in the tem-

perature indicator. When you set the temperature again with the button or switch off your water heater, the ECO function will be terminated.

• After setting the temperature, the resistance is activated and the resistance indicator on the left bottom corner becomes active.

- When the water temperature reaches the target temperature, the resistance will be deactivated and the resistance indicator will flash and the shower sign will be activated. When this happens, your hot water is ready for use.

- When the temperature drops to a level 4 degrees below the set temperature, the resistance will be activated again and the water is heated to the set temperature.

- When the set temperature is below 25° C, the water heater will be switched off automatically.

- Press to activate Extra Rapid Heating function. Your water heater will activate the additional heater and start rapid heating until the water reaches the set temperature. When the water reaches the temperature you have set, rapid heating ends and the additional heater stops working. You can deactivate the function at any time before the water reaches the desired temperature by pressing ⬇.

Practical and Useful Information

- The sediments and limescale accumulated at the bottom section of the water heater will prevent direct contact between the water and the heating elements. Accumulation of sediments and limescale at the bottom of the water boiler should be prevented. The water boiler should be drained at regular intervals.

- Heat the required amount of water in your water heater. Install the water heater away from appliances such as refrigerators and deep freezers. Otherwise, operation frequency will increase.

- Ensure that insulation is installed to prevent heat loss from the boiler and installation.

- The water heater should be located max. 6 m away from the points of use. Installation at a farther location will cause a drop in the efficiency of heat transfer. Also, the water piping should be insulated.

- When the device is not going to be used for a prolonged time, set the thermostat to the lowest setting.

Suggestions for Operation

- Do not place items that are vulnerable to water beneath the water heater.

• Take the following precautions if you will not use the product for a prolonged time.

- Disconnect the product from the mains supply.

- Switch off the water valves and disconnect the water connection.

Cleaning and Maintenance

Disconnect from the electrical mains before handling any operation.

• Install a transparent drain hose to the drain output of the safety valve located at the cold water input of the water heater, at a location away from freezing. - Pressure will increase with the operation of the water heater. Dripping of water at the safety valve is normal. - Drain water from the boiler by setting the safety valve latch to the upright position. To check the operation of the safety valve, it is recommended to set the latch to the upright position once a month to see if water flows out. - If water is drained through the safety valve, do not operate until water comes from the hot water tap. - To get the optimum performance from your electrical water heater, limescale that may form on the resistance due to water hardness and high temperatures should be removed regularly by the Authorized Service.

Recommendations on Energy Saving

• It is recommended to operate the product in Eco mode (55°C) to extend the life of the product and save energy. • To get the best possible performance from the product, the heating element (resistance) should be cleaned and the magnesium bar for corrosion protection should be replaced once every 2 years. The cleaning and replacement should be performed by an authorized service.
• Anode and heater should be checked annually in regions with higher water hardness.

Troubleshooting

Before calling the service, ensure that the failure is not related to a temporary electrical blackout or water cut.

In case you observe an abnormality in your appliance, you may try to solve the problem according to the instructions below. If your appliance does not still operate properly, contact the Call Center. You may access the authorized services list and contact information from the web site.

PROBLEM REASON	SOLUTION
Water heater is not operating	Switch is off. Turn on the switch.
	Power cut. Wait for the power to be back.
	Building's main fuse is blown. Fix the fuse.
Water heater is not heating the water.	Water heater is not operating correctly.	Call the authorized service.
Water heater is heating the water too late.	Voltage may be low.	Use an appropriate voltage regulator.
	Limescale may be formed on the resistance.	Call the authorized service.
Noisy operation.	Limescale may be formed on the resistance.	Call the authorized service.
	Limescale or sand can be present. within the safety valve.	Call the authorized service.
	System pressure can be distributed irregularly.	Install a pressure regulator.
Water heater heats water excessively (water steam comes out).	There might be too much limescale in the product.	Call the authorized service.
Water drips from the safety valve.	This is normal.	Connect the provided hose from the valve to water drainage.

Digital models error messages

ERRORMESSAGE	REASON SOLUTION
E1 (E1) Thermistor	Error	Call the authorized service.
E2 (E2)	Low Voltage Warning	The error will be cleared after the voltage becomes normal.
E3 (E3)	Dry operation	After filling the boiler with water, disconnect and connect the power supply of the product.