Elnur CMX15 Instruction Manual
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Elnur CMX15 Instruction Manual

Digital modulating electric boilers
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See also: User Manual and Installation Instructions
DIGITAL MODULATING
DIGITAL MODULATING
DIGITAL MODULATING
ELECTRIC BOILERS & ELECTRIC
ELECTRIC
FOR CENTRAL
CENTRAL HEATING AND DOMESTIC HOT WATER
INSTALLATION INSTRUCTIONS AND USER GUIDE
INSTALLATION INSTRUCTIONS AND USER GUIDE
INSTALLATION INSTRUCTIONS AND USER GUIDE
Please read these instructions before installing or using this appliance for the first time.
Please read these instructions before installing or using this appliance for the first time.
Please read these instructions before installing or using this appliance for the first time.
Any problem, fault or damage caused by the non
Any problem, fault or damage caused by the non -observance of these instructions will not be covered under the manufacturer's warranty.
This manual should be retained with the appliance by the user for future reference.
This manual should be retained with the appliance by the user for future reference.
This manual should be retained with the appliance by the user for future reference.
BOILERS & ELECTRIC COMBI
BOILERS
CMX15
These instructions must be followed for the safe installation of the boiler.
These instructions must be followed for the safe installation of the boiler.
These instructions must be followed for the safe installation of the boiler.
HOT WATER
CM15
not be covered under the manufacturer's warranty.

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Summary of Contents for Elnur CMX15

  • Page 1 BOILERS & ELECTRIC COMBI BOILERS FOR CENTRAL CENTRAL HEATING AND DOMESTIC HOT WATER HOT WATER CMX15 CM15 INSTALLATION INSTRUCTIONS AND USER GUIDE INSTALLATION INSTRUCTIONS AND USER GUIDE INSTALLATION INSTRUCTIONS AND USER GUIDE Please read these instructions before installing or using this appliance for the first time.
  • Page 2 INDEX 6 OPERATING THE BOILER 6.1 INITIAL SWITCHING ON 1 IMPORTANT 6.2 CONTROL PANEL DESCRIPTION 2 SAFETY 6.3 DHW OPERATION 6.4 CENTRAL HEATING OPERATION 3 INTRODUCTION 6.5 ANTI-FREEZE MODE 6.6 HEATING MODULATION FEATURE 3.1 DESIGN & OPERATION 3.2 PRINCIPLE COMPONENTS 6.7 LOCKING THE CONTROL PANEL 6.8 PUMP ANTI-SEIZE FUNCTION 3.3 KEY TO COMPONENTS...

  • Page 3: Principle Components

      radiator system (or underfloor system with special kit). The Gabarron CMX15 boilers are electrically heated combi   boilers providing wet central heating through a standard radiator system (or underfloor system with special kit) and domestic hot water (DHW) delivered from an integral ...

  • Page 4: Siting The Boiler

    Heating system pressure relief valve will discharge to relieve excess pressure at 3 bar. (Requires piping   to a safe external discharge point.) 4 INSTALLATION  IMPORTANT PRE- INSTALLATION POINTS   In order to ensure the successful installation ...

  • Page 5: Hot Water System

    System by-pass will be required for fully TRV systems. 4.1 GENERAL REQUIREMENTS The correct heat requirement for the dwelling should be The installation should be carried out by a person certified calculated. as competent for the installation of unvented hot water systems in accordance with current building regulations.

  • Page 6: Dimensions And Connections

    Dispose of the cardboard packaging at a cardboard recycling site. Observe national regulations. 4.3 LOCATION WARNING INSTALL UPRIGHT ON A WALL SUITABLE TO SUPPORT THE TOTAL WEIGHT OF THE BOILER WHEN FULL OF WATER – 120 kg. The location should be clean and dry with no presence of gases, explosives or flammable objects. It is not suitable for installation outside and should be protected from moisture and frost.

  • Page 7: Mounting Bracket

    4.5 CLEARANCES     A: 50 mm B: 10 mm C: 200 mm The clearances around the boiler as shown above must be observed for correct operation. A minimum of 200mm clearance must be maintained underneath the boiler to allow replacement of the heating elements if required.

  • Page 8: Water Connections

    Always use assistance if required. Wear suitable cut resistant gloves when handling the appliance. Ensure safe lifting techniques are used. Do not lift the appliance by attached pipe-work or components. When lifting the boiler ensure that the fixing elements and the wall have a sufficient load-bearing capacity. Check the quality of the wall.

  • Page 9: Dhw Discharge Pipe-Work

    Cold Water Inlet A ½” connection is provided for connection to 15mm pipe. An integral isolating valve provides control of the incoming water supply. An internal non-return valve prevents possible back-flow should the water main fail. CAUTION: If the incoming water pressure exceeds 5 bar it is necessary to install a Pressure Reducing Valve set at 2.5 bar on the water main into the dwelling.

  • Page 10: Electrical Connections

    The CM15 and CMX15 boilers comply with the technical requirements of BS EN 61000-3-3. The CM15 and CMX15 boilers must be installed in premises having a service capacity ≥100 A per phase. Complete all the pipe-work before connecting the boiler to the electricity supply.
  • Page 11 It is recommended that the boiler is controlled by an external control such as a time clock or room thermostat or a combined programmable room thermostat such as the Elnur model CTP-10. CAUTION: The switching connection of this control should be VOLT FREE and connected to the terminals indicated ‘TA’...
  • Page 12 5 COMISSIONING 5.1 LIMITING BOILER MAXIMUM OUTPUT 5.1 LIMITING BOILER MAXIMUM OUTPUT The boiler is supplied for operati supplied for operati on on maximum heat output of 15 kW. The output can be rated below this kW. The output can be rated below this maximum to match the heat load required.
  • Page 13 LIMITATION OF OUTPUT ON MODELS CM15 & CMX15 LIMITATION OF OUTPUT ON MODELS CM15 & CMX15 Connection SINGLE PHASE 230V~ Connection SINGLE PHASE 230V~ Connection THREE-PHASE 3x400V~+N Connection THREE-PHASE 3x400V~+N POSITION OF POSITION OF POSITION OF MAXIMUM OUTPUT MAXIMUM OUTPUT...

  • Page 14: Initial Switching On

    Mains connection terminals remain live even if the on/off Mains connection terminals remain live even if the on/off switch is turned off. 6.2 CONTROL PANEL DESCRIPTION 6.2 CONTROL PANEL DESCRIPTION MODELS CMX15 Increases Increases Heating water DHW. heating water heating water temp.

  • Page 15: Domestic Hot Water Operation

    MODELS CM15 Increases heating water temperature Keyboard lock Heating water indicator temp. and other messages On / Off button Block / Unblock Red dot shows heating heating elements on duty Decreases Power ON/OFF heating Power ON/OFF heating heating water temperature Push the button to start the boiler up.

  • Page 16: Central Heating Operation

    Water storage at maximum temperature will provide the best protection against the possible formation of Water storage at maximum temperature will provide the best protection against the possible formation of Water storage at maximum temperature will provide the best protection against the possible formation of legionella bacteria.

  • Page 17: Troubleshooting

    Settings too low. Check temperatura & output selected. Low heating temperature Failure of heating elements Check and replace. Heat requirements miscalculated. Re-calculate & configure. If the suggested action fails to resolve a problem please contact ELNUR technical service for further advice.

  • Page 18: Checking Rated Heat Output

    7.2 OVERHEAT LOCK- OUT & RE OUT & RE -SETTING Central heating overheat. If the boiler detects a overheat condition If the boiler detects a overheat condition of 100ºC (80ºC if adapted floor heating ) in the central heating circuit a ) in the central heating circuit a safety thermal limit switch will operate and switch the boiler off disabling all functions including DHW production.

  • Page 19: Maintenance And Care

    3 bar central heating relief valve ref. 60100840 Controls card CM15 & CM18 ref. 60100510 7 bar DHW. relief valve ref. 60100850 Controls card CMX15 & CMX18 ref. 60100540 DHW. retention valve ref. 60100830 Temperature probe, white connector ref. 60100580 ½”...

  • Page 20: Technical Data

    11 TECHNICAL DATA CMX15 CM15 Frequency Connection 3x400V+N~ Output limited to 15kW; Maximum intensity 21.7 21.7 Output limited to 13kW; Maximum intensity 21.7 21.7 Output limited to 12kW; Maximum intensity 21.7 21.7 Output limited to 11kW; Maximum intensity 21.7 21.7 Output limited to 10kW;...

  • Page 21: Wiring Diagrams

    12 WIRING DIAGRAMS...
  • Page 23 Trade Mark: GABARRÓN Models: CM15; CM18; CMX15; CMX18; CMX15P; CMX18P CM15; CM18; CMX15; CMX18; CMX15P; CMX18P has been manufactured to the technical specifications of the product and conforms in all been manufactured to the technical specifications of the product and conforms in all...
  • Page 24 As a part of the policy of continuous product improvement As a part of the policy of continuous product improvement , Elnur s.a reserves the right to alter specifications without notice. Elnur s.a reserves the right to alter specifications without notice.

This manual is also suitable for:

Cm15

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