Elnur CMX15BG Installation Instructions And User Manual

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INSTALLATION INSTRUCTIONS AND USER GUIDE

CMX CM

DIGITAL MODULATINGELECTRIC BOILERS

ELECTRIC COMBI BOILERS

CMX15BG CM15BG

Please read these instructions before installing or using this appliance for the first time.

These instructions must be followed for the safe installation of the boiler.

Any problem, fault or damage caused by the non-observance ofthese instructions will not

be covered under the manufacturer's warranty.

This manual should be retained with the appliance by the user for future reference.

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Summary of Contents for Elnur CMX15BG

Page 1 CMX CM DIGITAL MODULATINGELECTRIC BOILERS ELECTRIC COMBI BOILERS CMX15BG CM15BG Please read these instructions before installing or using this appliance for the first time. These instructions must be followed for the safe installation of the boiler. Any problem, fault or damage caused by the non-observance ofthese instructions will not be covered under the manufacturer’s warranty.
Page 2: Table Of Contents
INDEX 6 OPERATING THE BOILER 1 IMPORTANT 6.1 INITIAL SWITCHING ON 6.2 CONTROL PANEL DESCRIPTION 2 SAFETY 6.3 DHW OPERATION 6.4 CENTRAL HEATING OPERATION 6.5 ANTI-FREEZE MODE 3 INTRODUCTION 6.6 HEATING MODULATION FEATURE 3.1 DESIGN & OPERATION 3.2 PRINCIPLE COMPONENTS 6.7 LOCKING THE CONTROL PANEL 3.3 KEY TO COMPONENTS 6.8 PUMP ANTI-SEIZE FUNCTION...
Page 3 All the models incorporate different safety function, pump over-run, anti-seize and frost elements. If one or more of them are activated, protection. Self diagnostic fault information. consult the section 7 TROUBLE SHOOTING. Sealed system heating components: circulating • In time, the presence in the air of smoke, dust and pump, 6L expansion vessel, auto air-vent, 3 bar pollution may stain the walls and areas close to the relief valve, pressure gauge, water flow switch...
Page 4: Safety Devices
4 INSTALLATION IMPORTANT PRE- INSTALLATION POINTS In order to ensure the successful installation and operation of your Gabarron boiler please consider the following points before commencing. SITING THE BOILER Wall and fixings must b suitable to WARNING support the total weight; CMX boiler when full is 120 kg, CM boiler when full is 50 kg.
Page 5 HOT WATER SYSTEM The installation should be carried out by a person certified Competency to install unvented hot water system is as competent for the installation of unvented hot water systems in accordance with current building regulations. required. Any existing system and controls (e.g. shower) must be Installation should also be in accordance with the relevant suitable to operate at mains water pressure.
Page 6: Dimensions & Connections
4.3 LOCATION WARNINGINSTALL 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. The boiler must be sited so that the boiler and controls are not accessible to any persons whilst using a bath or shower and there should be no possibility of water dripping or splashing onto the boiler or controls.
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 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 CM15BG and CMX15BG boilers comply with the technical requirements of BS EN 61000-3-3. The CM15BG and CMX15BG 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 CO OMISSIONIN 5.1 LI MITING BOI LER MAXIMU UM OUTPUT The b boiler is suppli ied for operat tion on maxim mum heat outp put of 15kW. The output c can be rated b below this maxim mum to match h the heat loa d required.
Page 13: Pump Checking & Venting
LIMITATION OF OUTPUT ON MODELS CM15 & CMX15 Connection SINGLE PHASE 230V~ Connection THREE-PHASE 3x400V~+N POSITION OF POSITION OF MAXIMUM OUTPUT MAXIMUM OUTPUT THE SWITCHES S THE SWITCHES LIMITED TO : LIMITED TO : 15kW* 65.2A* 15kW 21.7A 21.7A 21.7A 13kW* 56.5A* 13kW...
Page 14 5.4 H EATING SYST TEM FLUSHIN CAUTION N: Flush the heating instal lation thoroug ghly prior to installation. The h heating system m should be flu ushed in accor rdance with B BS7593 & BS54 449 which wi ll remove any y debris or conta aminants detri...
Page 15 DELS CM15BG Increase esheating waterte emperatu Keyboardlockin Heat ting water dicator temp p. and other messages On / Off b button Block / Un nblock ed dot shows eating heating ments on duty Decreasesheati Power ON/O OFF heating ngwatertemper ature Push t butt ton to start th...
Page 16 6.4 C ENTRAL HEA ATING OPER RATION First e ensure that an ny external co ontrols such a as room therm mostat or time e clock are de emanding heat To se elect the heati ng function, p push the button.Pushin ng again will sw witch the func...
Page 17 The buttons do not respond CONTROLS Settingstoolow. 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 7.2 O OVERHEAT LO OCK-OUT & RE-SETTING Cent tral heating overheat. If the boiler detect s a overheat c condition of 1 00ºC (80ºC i f adapted floo or heating) in t the central he eating circuit a safety y thermal limit t switch will o operate and sw witch the boile...
Page 19: Environmental Information
8 MAIN COMPONENTS Heating expansion vessel 6L ref. 60091510 15 kW DHW.resistance& joint ref. 60100700 DHW.expansion vessel 2L ref. 60091515 DHW.resistance joint ref. 60100068 DHW.expansion vessel hose CMX ref.60100020 ¾” heating flow detector ref. 60100805 50 LDHW.insulated tank ref. 60100072 0-4 bar pressure gauge ref.
Page 20 11 TECHNICAL DATA CMX15BG CM15BG 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...
Page 21 CLARACI ON DE C CONFORM MIDAD De acuerdo con la norma IS SO / IEC 17050 DECLARAT TION OF C CONFORM MITY According to the Standard IS SO / IEC 17050- Nº 6610000 and 66 620000 mbre del fab bricante : LNUR, S.A.
Page 22 NOTES...
Page 23 13 WIRING DIAGRAMS...
Page 24 These ins structions are only valid in th he EU memb ber states. Supp plier: ELNUR UK Ltd. elephone +44( (0)1942 67011 www.eln nur.co.uk info@eln nur.co.uk Manufact tured by: ELNU R S.A.

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Cm15bg