Maktek OMEGA Installation And Service Manual
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Maktek OMEGA Installation And Service Manual

Electric combi boiler
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rev.no:02
23.08.2019

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Summary of Contents for Maktek OMEGA

  • Page 1 rev.no:02 23.08.2019...
  • Page 2 1. SAFETY......................... page 1 1.1 SYMBOL KEY....................page 1 1.2 SAFETY PRECAUTIONS.................. page 1 1.3 GENERAL EXPLANATIONS................page 2 1.4 C.O.S.H.H......................page 2 1.5 PREPARATION....................page 2 1.5.1 Load Check ....................page 2 1.5.2 Boiler Location..................... page 2 1.5.3 Central Heating Installation................page 2 2.
  • Page 3 6. SAFETY SYSTEM OF THE DEVICE ..............page 29 6.1 RCD DEVICE (SHORT CIRCUIT RELAY)............page 29 6.2 HEATING TANK FLOAT LEVEL SENSOR (H6) ..........page 29 6.3 LOW WATER PRESSURE................page 29 6.4 OVERHEAT LIMIT THERMOSTAT..............page 29 6.5 SHORT CIRCUIT THERMOSTAT..............page 29 6.6 FROST PROTECTION ..................

  • Page 4: Safety Precautions

    1. SAFETY 1.1 SYMBOL KEY This symbol expresses the risk of serious personel injury or death unless taking care of & warnings. This symbol expresses the risks which can cause minor injuries or harms to the environmet and goods. 1.2 SAFETY PRECAUTIONS Do not open the protective cover of the device.

  • Page 5: General Explanations

    Fire risk results from overheated law profiled cables. 1.3 GENERAL EXPLANATIONS MAKTEK Electric Boiler provides the heating by central boiler heating system and with radiators connected to the system and provides hot water by heat exchanger. Installation and services must be in accordance with recent standarts and announced directives.

  • Page 6: Introduction Of The Device

    2. INTRODUCTION OF THE DEVICE 2.1 APPERANCE AND EXTERNAL DIMENSIONS 6-40 kW 50-100 kW...

  • Page 7: Components Of The Boiler

    2.2 COMPONENTS OF THE BOILER 2.2.1 6-40 kW Models a. Main heat exchanger n. Expansion vessel o. Relay board b. Heating elements c. 3-way valve actuator motor p. Cooling fan for relay board d. DHW temperature NTC sensor q. CH temperature NTC sensor r.
  • Page 8 2.2.2 50-100 kW Models a. Main heat exchanger b. Heating elements c. Pressure gauge d. Circulation pump e. Return manifold f. 3 bar safety valve g. Water pressure switch h. Relay board i. Cooling fan for relay board j. CH temperature NTC sensor k.
  • Page 9 2.3 OPERATION PRINCIPLE OF THE DEVICE MAKTEK Omega electric combi boiler provides central heating with the use of panel radiators or underfloor heating pipes. The primary heating circuit water is heated in the main heat exchanger with the heating elements. The hot water circulates the installation with the help of the circulation pump, delivering hot water to the radiators or underfloor heating pipes.

  • Page 10: Instructions For Mounting

    3.MOUNTING AND INSTALLATION 3.1 UNPACKING Open the box as seen in the above sketch. Place the box on the ground, arrows on the box pointing to the ground. Cut the cords or remove the staples, fold the lids of the box on each side and turn the box upside down.

  • Page 11: Wall Mounting

    3.4 WALL MOUNTING • Place the mounting plate parallel to the floor. (Check with spirit level). • Mark the holes on the wall. • Drill on the marked spots and insert the wall plugs. • Place the wall mounting plate and fix it on the wall using the screws.
  • Page 12 3.5 HEATING AND HOT WATER SYSTEM INSTALLATION CONNECTIONS • At DHW function, please make sure that the pressure of the city water network on cold water inlet side is not more that 6 Bars. If the network pressure is more than 6 Bars, a pressure regulator must be added.

  • Page 13: Circulation Pump Information

    Pressure gauge Heating water outlet G1/2 Filling Valve Return water inlet G 3/4 Domestic hot water outlet G 1/2 Cold water inlet G 1/2 3.6 CIRCULATION PUMP INFORMATION 3.6.1 Energy Efficient Pump (Optional) Indicator Lights (Leds) • Signal display • LED is lit up in green in normal operation •...
  • Page 14 Operating button Press Select control mode • Select pump curve (I, II, III) within the control mode Press and hold • Activate the pump venting function (press for 3 seconds) • Activate manual restart (press for 5 seconds) • Lock/unlock button (press for 8 seconds) Control modes and functions Variable differential Recommended for two-pipe heating systems with radi-...
  • Page 15 Constant speed (I, II, III) Recommended for systems with fixed system resistance requiring a constant volume flow. The pump runs in three prescribed fixed speed stages (I, II, III). Q/m³/ h...
  • Page 17 3.6.2 3-Speed Circulation Pump MAKTEK Omega Boiler is supplied with a 3-speed circulation pump in standard. You can choose the required pump speed according to the resistance of your installation. You can use the below diagram for deciding the pump speed.
  • Page 18 3.7 BOILER INSTALLATION DIAGRAMS 3.7.1 With DHW (Plate Heat Exchanger)
  • Page 19 3.7.2 Only Heating...
  • Page 20 3.7.3 Installation With Hot Water Cylinder Solar Panel Outlet Solar Panel Inlet...

  • Page 21: Electric Connection

    3.8 ELECTRIC CONNECTION The electricity connection of the boiler must be made by a quailified electrician. Improper electric connections made by unqualified people may cause failure of critical components of the boiler and will invalidate the warranty. DANGER ! Electric Shock Risk ...
  • Page 22 50-100kW N T S R Blue The cable connections are clearly marked on the cables to be connected to the RCD device. • Monophase • 3-phase R S T N • Earth connection is marked with • Make sure that the energy cables are fixed tightly (with 2.8 -3.5 Nm &...
  • Page 23 3.8.3 Electrical Connection Diagram 220V (Monophase) MAIN BOARD L N N L RELAY BOARD...
  • Page 24 3.8.4 Electrical Connection Diagram 380V (3-phase) MAIN BOARD L N N L RELAY BOARD...
  • Page 25 3.9 MAIN BOARD SWITCHES The universal main board of the boiler is designed to be suitable for all types of Maktek Omega boilers. Make sure to adjust the switch positions on the main board according to the boiler type while replacing the mainboard in case of a failure. The switch positions are explained below.

  • Page 26: Room Thermostat Connection

    3.10 ROOM THERMOSTAT CONNECTION An electric terminal is left outside the control panel plastic box so that the control panel is not opened while connecting an optional room thermostat. You can see this terminal in the below picture. Remove the jumper cable and connect the room thermostat volt free cables.
  • Page 27 4. COMMISSIONING 4.1 FILLING WATER TO THE SYSTEM a) Make sure that the automatic air vent on the circulation pump is loose. b) Turn on the filling valve and fill water until the pressure reaches 1.5 bars by checking the manometer.
  • Page 28 4.2 STARTING UP First time operation of the boiler must be done by authorised service personel in order to validate the guarantee of the boiler and to ensure the boiler runs efficiently and safely for many years. Authorized service personnel will check all requirements in the startup request form, which must be filled by the installer before the service comes to validate the boiler for first time operation.

  • Page 29: Control Panel

    5. USER INSTRUCTIONS 5.1 CONTROL PANEL All functions required to run the boiler is done via two buttons on control panel. These functions can be followed on LCD screen. All failure reportings can be seen on screen via specific codes. A.

  • Page 30: Digital Screen

    C. DIGITAL SCREEN Shows operating parameters and errors occuring during operation with the warning codes on the screen. a) Heating Capacity Indicators: Shows which heating elements are in operation, indicating the modulation level of the boiler. b) Heating Mode Indicator: The dash position on the display shows whether the boiler is operating in heating or in DHW supply mode.

  • Page 31: Troubleshooting

    5.3 TROUBLESHOOTING...
  • Page 32 6. SAFETY SYSTEM OF THE DEVICE MAKTEK Omega Electric Combi Boiler has the following safety features in order to ensure the highest level of safety and highest technology. 6.1 RCD DEVICE (SHORT CIRCUIT RELAY) In case of short circuit, the relay shuts off the electricity connection and prevents any possibility of electruction and prevents any harm to people or the device.
  • Page 33 6.6 FROST PROTECTION When the temperature in the heating system drops down to 5°C, there is security system that automatically activates the resistances When the water temperature reaches 40°C, activation of resistances are stopped. In order for this system to work, the main switch to which the device is connected must be switched on and the heating and hot water selector switches must be set to the minimum setting.

  • Page 34: Technical Table

    7. TECHNICAL TABLE...

  • Page 35: Maintenance

    8. MAINTENANCE We recommend that the following controls are made by authorised service once a year. 1- Check for leaks in the water circuit and, if necessary, replace the joints to ensure water tightness. 2- Check the status of the device visually. 3- Check the safety system of the heating system if it is working properly.
  • Page 36 10. EXPLODED VIEW 6 - 40kW MODELS...
  • Page 37 10.1 MAIN HEAT EXCHANGER GROUP DETAIL...
  • Page 38 10.2 HYDROLIC GROUP DETAIL...
  • Page 39 10.3 RELAY BOARD GROUP DETAIL...

  • Page 40: Exploded View Parts List

    10.4 EXPLODED VIEW PARTS LIST 1. Plastic frame 39. Short-circuit thermostat 40. CH temperature NTC sensor 2. Control buttons 41. Copper return pipe 3. Control panel 4. Mainboard 42. R 3/4” flow outlet 5. Control panel rear cover 43. Flow manifold outlet o-ring 44.
  • Page 41 11. EXPLODED VIEW 50 - 100kW MODELS...
  • Page 42 11.1 MAIN HEAT EXCHANGER GROUP DETAIL...
  • Page 43 11.2 RELAY BOARD GROUP DETAIL...
  • Page 44 11.3 EXPLODED VIEW PARTS LIST 29. Pressure gauge steel frame 1. Plastic frame 30. Pressure gauge 2. Control buttons 31. Insulator caps 3. Control panel 32. Heating elements 4. Mainboard 33. Flow pipe outlet 5. Control panel rear cover 34. Copper flow pipe 6.
  • Page 45 Seller: 10013 Street. No. 14 A.O.S.B. Çiğli - IZMIR / TURKEY Customer care: sales@maktek.com.tr Customer Hot Line: +902323280365 www.maktek.com.tr...

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