INSTALLATION INSTRUCTIONS AND USER GUIDE CMX15 CM15 DIGITAL MODULATING ELECTRIC BOILERS & ELECTRIC COMBI BOILERS FOR CENTRAL HEATING AND DOMESTIC HOT WATER CMX15 CM15 Please read these instructions before installing or using this appliance for the first time
INDEX 1 IMPORTANT 1 2 SAFETY 1 3 INTRODUCTION 3.1 DESIGN & OPERATION 3.2 PRINCIPLE COMPONENTS 3.3 KEY TO COMPONENTS 3.4 SAFETY DEVICES 2 2 2 2 3 4 INSTALLATION 4.1 GENERAL REQUIREMENTS 4.2 UNPACKING & CONTENTS 4.3 LOCATION 4.4 DIMENSIONS & CONNECTIONS 4.5 CLEARANCES 4.6 MOUNTING BRACKET 4.7 WATER CONNECTIONS 4.8 DHW DISCHARGE PIPE-WORK 4.9 PUMP DUTY 4.10 ELECTRICAL CONNECTIONS 3 4 4 5 5 6 6 7 8 9 9 5 COMMISIONING 5.1 LIMITING BOILER MAXIMUM OUTPUT 5.2 HEATING SYSTEM INITIAL FILLING 5.
o o o o All the models incorporate different safety elements. If one or more of them are activated, consult the section 7 TROUBLE SHOOTING. In time, the presence in the air of smoke, dust and pollution may stain the walls and areas close to the appliance. Any improper use is forbidden. Do not install the boiler in rooms prone to frost. • • 3 INTRODUCTION • • 3.1 DESIGN & OPERATION function, pump over-run, anti-seize and frost protection. Self diagnostic fault information.
INSTALLATION IMPORTANT PRE- INSTALLATION POINTS i In order to ensure the successful installation and operation of your Gabarron boiler please consider the following points before commencing. SITING THE BOILER WARNING Wall and fixings must be suitable to support the total weight; CMX boiler when full is 120 kg, CM boiler when full is 50 kg. Allow sufficient clearance and access for operating, maintenance and repair work. Boiler must be protected from any water, moisture, or dampness.
HOT WATER SYSTEM Competency to install unvented hot water system is required. Any existing system and controls (e.g. shower) must be suitable to operate at mains water pressure. The incoming water main pressure and flow must be sufficient for requirements. If incoming mains pressure is excessive (above 5 bar) a pressure reducing valve is required. The boiler safety valves require piping to a safe discharge point. In hard water areas it is advisable to take normal precautions against lime scale formation.
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.
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. A minimum of 500 mm clearance must be maintained in front of the boiler to enable easy access for servicing.
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. 4.7 WATER CONNECTIONS CAUTION The hydraulic connections must be carried out respecting the flow and return marked on the boiler.
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. This will protect the boiler and prevent constant opening of the 7 bar relief valve.
Typical Discharge Pipe terminations (source: Building Regulation G3) : All installations must be fitted in accordance with all local regulations in force at that time. Failure to comply with these regulations will invalidate the manufacturers’ warranty. 4.9 PUMP DUTY The boiler is fitted with a UPS 25-40 3-speed circulating pump. The graph shows the flow rate available for the system after allowance for the loss through the boiler. UPS 25-40 P (kPa) H(m) 40 4 3 20 2 1 0 0 0 0 0 0.5 1.
WARNING THE SUPPLY CABLE TO THE BOILER SHOULD BE OF SUFFICIENT SIZE TO CARRY THE LOAD CAPACITY REQUIRED. IT SHOULD BE WIRED THROUGH A LINKED ISOLATOR SWITCH WITH MINIMUM CONTACT GAPS OF 3mm IN EVERY POLE AND PROTECTED BY A SUITABLY RATED CIRCUIT BREAKER MCB/RCD Install the necessary electrical protections as indicated in the current regulations. In the event of these regulations not being complied with, the manufacturer will not be liable for any bodily injury or material damage that may occur.
5 COMISSIONING 5.1 LIMITING BOILER MAXIMUM OUTPUT The boiler is supplied for operation on maximum heat output of 15kW. The output can be rated below this maximum to match the heat load required. WARNING: ON INSTALLATIONS WHERE THE INCOMING POWER SUPPLY IS NOT CAPABLE OF MAXIMUM LOAD THE BOILER CONTROL MUST BE RE-CONFIGURED TO LIMIT THE OUTPUT BEFORE SWITCHING ON.
-‐ 13.0A 1 2 3 4 -‐ ON 3kW 3kW 13.0A 1 2 3 4 ON LIMITATION OF OUTPUT ON MODELS CM15 & CMX15 Connection SINGLE PHASE 230V~ Connection THREE-‐PHASE 3x400V~+N POSITION OF THE SWITCHES S 8kW 13.0A 8.7A 13.0A 7kW 8.7A 13.0A 8.7A 6kW 8.7A 8.7A 8.7A 5kW -‐ 13.0A 8.7A 4kW 8.7A 8.7A -‐ 3kW -‐ -‐ 13.0A 2kW 8.7A -‐ -‐ ON 13.0A 1 2 3 4 13.
5.4 HEATING SYSTEM FLUSHING CAUTION: Flush the heating installation thoroughly prior to installation. The heating system should be flushed in accordance with BS7593 & BS5449 which will remove any debris or contaminants detrimental to the operation and life of the boiler. Any cleanser or additives used should comply with current standards and the manufacturer’s instructions carefully followed.
MODELS CM15 Heating water temp. and other messages Increases heating water temperature Keyboard lock indicator On / Off button Block / Unblock Red dot shows heating heating elements on duty Decreases heating water temperature Power ON/OFF heating key Push the button to start the boiler up. The same button will turn the boiler off when pushed again.
6.4 CENTRAL HEATING OPERATION First ensure that any external controls such as room thermostat or time clock are demanding heat. To select the heating function, push the red dot. button. Pushing again will switch the function off and return display to just a When the heating mode is selected the display will show the temperature of the heating water.
7 TROUBLESHOOTING 7.1 POSSIBLE FAULTS & SOLUTIONS Problem Boiler will not start Possible cause No power to boiler. No power. Heating overheat. Switch tripped. DHW Overheat switch tripped. DHW tank empty.
7.2 OVERHEAT LOCK-OUT & RE-SETTING Central heating overheat. If the boiler detects a overheat condition of 100ºC (80ºC if adapted floor heating ) in the central heating circuit a safety thermal limit switch will operate and switch the boiler off disabling all functions including DHW production. The cause of the overheat should be investigated.
8 MAIN COMPONENTS Heating expansion vessel 6L DHW. expansion vessel 2L DHW. expansion vessel hose CMX insulated tank 50 L DHW. Insulated heating header tank Circulation pump 25-40 (130) Circulation pump 25-60 (130) Main electronic card with support DHW.
11 TECHNICAL DATA CMX15 Frequency Connection 3x400V+N~ Output limited to 15kW; Maximum intensity Output limited to 13kW; Maximum intensity Output limited to 12kW; Maximum intensity Output limited to 11kW; Maximum intensity Output limited to 10kW; Maximum intensity Output limited to 9kW; Maximum intensity Output limited to 8kW; Maximum intensity Output limited to 7kW; Maximum intensity Output limited to 6kW; Maximum intensity Output limited to 5kW; Maximum intensity Output limited to 4kW; Maximum intensity
EC DECLARATION OF CONFORMITY According to ISO/CEI guide 22 and EN 45014 Manufacturer’s name: ELNUR S.A. Manufacturer’s address: ELNUR S.A. Villa Esther, 11; Pol. Ind.
12 WIRING DIAGRAMS 21
NOTES The symbol on the product or in its packaging indicates that this product may not be treated as household waste. Instead it shall be handed over to the applicable collection point for the recycling of electrical and electronic equipment. By ensuring this product is disposed of correctly, you will help prevent potential negative consequences for the environment and human health, which could otherwise be caused by inappropriate waste handling of this product.
ELNUR UK Ltd. Unit 1, Brown Street North Leigh, Lancashire WN7 1BU www.elnur.co.uk Customer Service Department: Telephone +44(0)1942 670119 technical@elnur.co.uk Manufactured by: ELNUR, S.A. Madrid, Spain www.elnur-global.com export@elnur-global.com Management System International Certifications: As a part of the policy of continuous product improvement Elnur reserves the right to alter specifications without notice.
