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DAXOM UKDAX-10EBT Manual

Electric combi boiler with inbuilt cylinder
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David Owen
February 3, 2025

Where is the valve to increase water pressure on my daxom boiler

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Summary of Contents for DAXOM UKDAX-10EBT

  • Page 2: Safety Warnings

    Dear Daxom User, For correct operation and safety of this device, follow the instructions in this manual during installation and use. Unauthorised assembly or maintenance of this device will void the warranty, and our company will not be responsible for any defects or accidents that may occur with the product.
  • Page 3 9. This installation and operating manual is part of the product. Keep it for reference. 10. This boiler should only be used for its intended purpose. The manufacturer rejects all contractual or non-contractual obligations in advance for damage to property or injury to persons or animals resulting from misuse, installation, adjustment and maintenance.
  • Page 4 16. The Mg-Anode rod inside the enamel coated cylinder provides corrosion resistance. Check the Mg-Anode rod every three years and replace it if necessary. 17. The domestic water network pressure can be up to 6 bar. If the mains pressure exceeds 6 bar, water is automatically discharged from the safety valve.
  • Page 5 2. RECOMMENDATIONS FOR ECONOMICAL USE 1.Adjust the indoor temperature settings to your needs. Having the heating operation set according to your intended use will increase energy savings 3. Savings can be made by adjusting the required temperature value for each section (of the property with thermostatic radiator valves), However, simultaneous use of a room thermostat and thermostatic valves may cause problems.

  • Page 6: Technical Information

    3. CONFIGURATION OF YOUR DEVICE 4. TECHNICAL INFORMATION Your device has a 50 litre integrated enamelled cylinder. From start up to 65º C DHW will take 10 minutes. During the use of DHW the cylinder continuous heating, providing continuous hot water even at very low water pressure and flows.
  • Page 7 Technical Specifications Weight Boiler Model Power (kW) Without Volume (l) Water (Kg) 3~400 V 50 Hz Electrical Boiler With Cylinder UKDAX-10EBT UKDAX-12EBT UKDAX-16EBT UKDAX-18EBT UKDAX-20EBT UKDAX-24EBT 1~220 V 50 Hz Electrical Boiler With Cylinder UKDAX-6EDM UKDAX-10EDM UKDAX-12EDM UKDAX-16EDM UKDAX-18EDM Technical Specifications...

  • Page 8: Boiler Assembly

    5. BOILER ASSEMBLY The boiler must be installed by a qualified technician. 5.1 Installation requirements and safety instructions...
  • Page 9 For ease of maintenance, observe the minimum distances specified in the installation in order to access the boiler. For correct device positioning: • Do not place above a stove hob or similar cooking appliances. • Do not leave flammable products in the room where the boiler is installed •...
  • Page 10 mains hot water circuit, but make sure that the water system does not exceed 6 bars. If in doubt, have a pressure reducer installed. • The area where the boiler is installed must be free of obstructions and protrusions during repair or maintenance. •...
  • Page 11 5.2.1.1. Filling the Boiler After installation, the boiler must be filled first. This should be done following the instructions below. Open the cold water inlet tap Open any tap (preferably the closest tap) connected to the hot water outlet of the appliance. The air in the boiler will be discharged from this tap.
  • Page 12 MCB and RCD amperage values can be seen in the table below. Fuse & Phase & Cable Current Residual Model Voltage Section Current Device (kW) (mm) UKDAX-10EBT 3~400 3*15,2 3*20 5*2,5 UKDAX-12EBT 3~400 3*18,2 3*20 5*2,5 UKDAX-16EBT 3~400 3*24,3...
  • Page 13 Cable cross sections are calculated for a maximum of 10 m. For cable lengths of more than 10 m, consult your electrician. 6. STARTING AND USING THE BOILER 6.1. Control Screen The operating status of the device can be viewed on the control panel.

  • Page 14: Control Keys

    Ready To Operation Indicator Tap Water (cylinder) heating indicator Heating indicator No need to for heating indicator Exit / Return temperature difference indicator. Pump operation indicator Freezing Prevention Indicator Room Thermostad indicator Temperature Indicator 6.2. Control Keys ON / OFF Menu exit / Changing Temperature increase / Hour and days setting Temperature Decrease...
  • Page 15 Our company is not responsible for the damages and accidents that may occur due to installation by unauthorised tradespeople. Before starting the boiler, all mechanical and electrical connections must be checked. During installation, the Combi boiler should be filled with water at a pressure between 1 to 2 bar.
  • Page 16 If the operating mode before the device was switched off was set to domestic water (DHW) and heating, the DHW cylinder will operate if the DHW temperature is below the set temperature. The symbols “heating” and “shower” appear, and the symbols are flashing. If the DHW temperature is equal to or above the set temperature, the appliance starts to operate for heating, and the icon appears.

  • Page 17: Setting Operating Parameters

    A warning tone sounds each time you press a key. If the button is pressed for a long time (eg 2-3 seconds), the button can not be pressed again until you hear a beep. 6.4. Setting Operating Parameters 6.4.1. Setting the Day and Time The device is switched off.
  • Page 18 Set the time between 0 and 23 by pressing the key one second apart. is pressed, the minute digits start flashing. Set to 0 to 60 minutes by pressing the or key one second apart.
  • Page 19 Press the key to save the settings. If no key is pressed for 10 seconds the device does exit the setup menu. 6.4.2. Heating Temperature Adjustment Heating temperature adjustment; The icons are displayed while the appliance is operating for heating, press to set the temperature between 35º...
  • Page 20 The display shows first the set operating temperature, then the actual temperature 20 seconds after the setting is completed. It may take time for the device to reach the set temperature. The heating does not start until the cylinder heating (DHW) is completed. 6.4.3.
  • Page 21 The display shows first the set operating temperature, then the actual temperature 20 seconds after the setting is completed. It may take time for the device to reach the set temperature. Cylinder heating always takes priority. The appliance works for heating after the DHW cylinder has reached the set temperature.
  • Page 22 6.4.4. Setting the temperature difference When the device enters the over temperature mode, we can set the temperature difference that we want it to operate in. When the device is in normal operating position; button for 2-3 seconds to enter the setup menu. Press the button is pressed one second at a time until the symbol...
  • Page 23 Press to exit the setup menu. 6.4.5. Room Thermostat Connection The boiler can be controlled with the room thermostat so that the boiler operates according to the temperature settings on the room thermostat. The room thermostat connection needs to be activated by the Installer. After connecting the room thermostat to the boiler, turn on the room thermostat in the Boiler setting menu.
  • Page 24 appear when the thermostat function is set to on. To setup when the device is in normal operation; Press the button for 2-3 seconds to enter the setup menu. key is pressed one second at a time until the symbol appears, the room thermostat on / off indicator starts flashing.
  • Page 25 Press to exit the setup menu. 6.4.6. Setting the Heating Mode...
  • Page 26 The device can be adjusted for underfloor heating (low temperature) and radiator heating. This prevents overheating in underfloor heating systems. The unit can be set to a temperature of up to 55º C when operating in underfloor heating, while it can be set to a maximum of 80º C in radiator heating mode.
  • Page 27 Use the to select 0 for underfloor heating. 1 is selected for radiator heating. to exit the setup menu. Press...
  • Page 28 For underfloor heating systems, the temperature should never be set above 55º C. Our company is not responsible for any damages and accidents that may occur in case of adjustment. 6.4.7. Capacity Adjustment The device can operate in 3 different capacities. P1 means 1/3 capacity, P2 means 2/3 capacity, P3 means full capacity.
  • Page 29 key is pressed one second at a time until the icon appears. Use the buttons to set the device capacity to P1, P2 or P3. The indicator lights change according to the selected capacity.
  • Page 30 to exit the setup menu. Press 6.4.8. Setting the Operating Mode The device can operate in 3 different modes.
  • Page 31 Heater Only Mode: The device only operates only for heating. The DHW heating does not take place. Domestic Hot Water Only Mode: The device only operates for domestic hot water (DHW). It can also be called summer mode. Heating and Domestic Water (Cylinder) operating Mode: The device operates both heating and domestic water heating.
  • Page 32 to select the preferred operating mode. If heating only is selected, the device will only work for heating. If only shower shower is selected, the appliance only works for domestic hot water.
  • Page 33 If heating and “shower are selected at the same time, the unit will operate for heating and domestic water heating. Domestic hot water (cylinder) heating always takes priority. to exit the setup menu. Press 6.4.9. Setting the Time Schedule The device can be programmed daily and weekly for heating. 7 different programs can be made.
  • Page 34 activated or deactivated with the key. When the program is active, the current program from 1 to 7 appears. button for 2-3 seconds and enter the setup menu Press the Press the key one second at a time until “ Timing Time Phase ”appears, the time program number starts flashing.
  • Page 35 key or use o r keys to switch the selected Press the time program to “ON”. If it remains “OFF”, the time program cannot be entered. Press the button to select the weekday (s).
  • Page 36 to select the desired weekday or days. The days of the week are grouped as follows. All days are selectable. (SUN. MON. TUES. WED. THUR. FRI. SAT.) Could be weekend days. (SUN. SAT.)
  • Page 37 Weekdays can be selected. (MON. TUES. WED. THUR. FRI.) The days can be selected individually. is pressed. The program start time starts to flash. Use the b utton to set the program start time.
  • Page 38 is pressed. The program start minute starts flashing. Use the buttons to set the start minute. is pressed. The program end time starts to flash.
  • Page 39 to set the program end time. is pressed. The program end minute starts flashing. to select the program end minutes.
  • Page 40 is pressed. The temperature display starts flashing. The operating temperature in the selected program is selected with keys. key is pressed and the set / return temperature difference setting indicator starts to flash.
  • Page 41 Select the desired ΔT (round / trip temperature difference) with the keys in the selected program. i s pressed. Repeat the process for the next day .
  • Page 42 Not all time programs have to be set. You can set as many of the time programs 1 to 7 as you want. Programs that are not set will remain in the “OFF” position and will not be active. If the key is pressed after programming is finished or if no key is pressed for 10 seconds, the settings made are saved and the setup menu is exited.

  • Page 43: Electrical Diagram

    The device shall be protected by the following systems by leaving the power supply active. Frost Protection Function: If the water temperature inside the device drops below 5° C, the pump and heating will start to operate to bring the water temperature back to the safe value (35°...

  • Page 45: Repair And Service

    8. REPAIR AND SERVICE During the warranty period of the product, we provide free service to the user against material and production defects. If you encounter any problems during use, please contact our after-sales service department. Unauthorised maintenance and repair of the device will void the warranty. Our company will not be responsible for any failures and accidents.

  • Page 47: Room Thermostat Connection

    10. Room Thermostat wiring Ensure the chosen room thermostat is low voltage or voltage free!!
  • Page 48 Daxom UK Ltd 295 York Town Road College Town Sandhurst GU47 0QA Tel 01276 536409 www.daxom.co.uk admin@daxom.co.uk...

This manual is also suitable for:

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