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Table of Contents
Related Manuals for C&M MX2 24 Nat
Summary of Contents for C&M MX2 24 Nat
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Page 1: Combination Boiler
COMBINATION BOILER Heating and Instantaneous Domestic Hot Water Fanned Flue system Installation and Operating instructions Manufactures N° Model Type Gas Council N° 200906827037.31 MX2 24 Nat 47 - 980 - 28 200906828037.31 MX2 30 Nat 47 - 980 - 29... -
Page 2: Customer Care
These instructions are suitable for the NC boilers : Do not forget the Logbook! Chaffoteaux & Maury supports Benchmark, the heating industry code to ensure the correct installation, commissioning and servicing of domestic central heating systems. To The Householder Make sure you have a completed Logbook for your boiler. This provides a record of the commissioning of your boiler. It contains important information about your particular installation that may be required by service engineers. -
Page 3: Table Of Contents
Contents CUSTOMER CARE Page Guarantee ................................2 Statutory Requirements ............................2 Contents ................................3 INSTALLER’S INSTRUCTION..........................5 1 DESCRIPTION ..............................5 2 DIMENSIONS ..............................6 3 HYDRAULIC DATA ............................6 4 INSTALLATION REQUIREMENTS ........................7 Location ..............................7 Flue ................................7 Ventilation ..............................7 Gas Supply .............................7 Electrical Supply ............................7 Showers ..............................7 Flushing and Water Treatment .......................7 System Controls ............................7 5 CONNECTING GAS INTAKE AND EXHAUST DUCTS ..................8... - Page 4 USER’S INSTRUCTIONS Page 13- CONTROL PANEL ............................18 14- HOW TO USE ..............................19 15 MAINTENANCE ............................20 16 FLUE GAS SAFETY .............................20 17 GUARANTEE ..............................20 18 PRACTICAL INFORMATION ........................20 19 TECHNICAL DATA ............................21 20 INSTRUCTION FOR SETTING THE BUILT IN CLOCK................22 21 INCORRECT FUNCTION ..........................23 This instruction booklet is especially designed for appliances installed in United Kingdoms INTRODUCTION is a fully automatic, wall mounted, low water content combination boiler.
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Page 5: Installer's Instruction
INSTALLER’S INSTRUCTIONS Description 1.- Steel chassis complete with expansion vessel 2.- Sealed chamber 3.- Flue hood with fan 4.- Main heat exchanger 5.- Combustion chamber 6.- Multi- gas burner assembly comprising ignition and ionisation electrodes 7.- Gas valve assembly 8.- Pump with automatic air separator and automatic vent 9.- Overheat safety cutout 10 - Main exchanger inlet thermistor 11.- Main exchanger outlet thermistor... -
Page 6: Dimensions
Dimensions All dimensions in mm Safety valve C/H and condensate Heating flow D.H.W. flow Gas supply 18,5 Cold water inlet Heating return With packaging : 24 kW : 32 kg 30 kW : 33 kg 172,5 121,5 J K L M N minimum space required 450 450 mini pour entretien 54 54 54 54... -
Page 7: Installation Requirements
Installation requirements Location The boiler is suitable for sealed systems only. The maximum The boiler can be installed on any suitable internal wall. working pressure for the appliance is 10 bar. All fittings and Provision must be made to allow the correct routing of the flue pipework connected to the appliance should be of the same and siting of the terminal to allow the safe and efficient standard. -
Page 8: Connecting Gas Intake And Exhaust Ducts
Connecting gas intake and exhaust ducts The boiler should only be installed with a fresh air inlet and smoke outlet device supplied by the boiler manufacturer. These kits are supplied separately to the appliance in order to respond to different installation solutions. For more information with regard to the inlet/outlet accessories consult the accessory catalogue and the installation instructions contained in the kits. - Page 9 In the special case where the connection is with separate tubes and with the boiler installed at a minimum distance of 6 cm from the wall, make a ø 10 cm hole, thus enabling better assembly between the fresh air elbow and the tube outside the wall (see diagram).
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Page 10: Installing The Boiler
Installing the boiler - place the paper template in the selected position on the wall - fit the hanging bracket - bring the water pipes and the electrical connection to the locations shown on the fitting template - unscrew the two clamp locking bolts A, which secure the front panel (fig. 7) - remove the front panel - offer the water heater up to its bracket and allow it to drop into position while pressing on it (fig. -
Page 11: Electrical Connections
Electrical connections Recommendation: - to comply with regulations, a device that discon- nects all poles with a contact opening gap of at least 3 mm must be fitted when permanently ins- talling the water heater - the water heater must be connected to a fixed boiler with the lead supplied Location of connections: - the 230 V supply lead and room thermostat... -
Page 12: Operating
Operating - Set system pressure, close filling taps 36, 37 and remove PRESSURISING (fig. 12) filling loop 38. Hot water circuit: - Check for leaks. - open the cold water tap 34 - Manually check pump is free to turn - drain the appliance by opening the various hot water taps Gas circuit Central Heating :... -
Page 13: Burner Gas Output Setting
Operating (continued) Célectic Célectic Tempo Débistat Sanitaire 1,5 sec Tempo Débistat Sanitaire 0 sec Domestic flowmeter time 1.5 sec Domestic flowmeter time 0 sec. AON operation Modulating operation Fonctionnement Modulant Fonctionnement TOR Consigne chauffage à 40 °C Heating setting 40 °C Variable heating setting between 35 to 85 °C Consigne chauffage variable de 35 à... -
Page 14: Fitting The Casing
Fitting the casing Fitting the casing Remove the protective film on the casing: - offer the casing up (fig. 14) - engage hooks N on the casing in notches R on the side panels M operation 1 - fit the top of the panel in place - close the panel mounting clamps (fig. -
Page 15: Gas Conversion
Gas conversion When adapting to a gas different from the one for which the boiler is equipped, you should replace the parts delivered with the transformation kit, as well the gas valve adjustments following the operational mode described below Adjusting the nominal output •... -
Page 16: Incorrect Function
Incorrect function If a fault occurs in the appliance, one or more LEDs (22) flash according to the fault type listed in the table below. CODE FAULT INFORMATION 30 40 50 60 70 80 H H H H H G Overheating safety feature. -
Page 17: Particular Characteristics
Particular characteristics Flow rate controller assembly direction By-pass valve assembly direction... -
Page 18: User's Instructions
USER’S INSTRUCTIONS Control panel Fig.16 Control panel (fig. 16) Connecting bracket Taps shown in Open position 19. - Pressure gauge (fig. 17) 20. - On/off push button and power on indicator light 31 : Central heating flow isolating valve 21.- Sanitary temperature setting and sanitary start button 32 : Domestic Hot Water outlet 33 : Gas service tap 22.- Heating temperature setting and heating start button... -
Page 19: 14- How To Use
Operation Starting up (fig. 17) 1. check that the appliance's general gas shut-off tap is open and that the water heater is supplied with power. 2. check that there is sufficient pressure in the heating circuit: the pressure gauge needles should be at a minimum of 1,2 bar with 1,7 bar at maximum cold 3. -
Page 20: Maintenance
Maintenance As with your car, your boiler will work more reliably and efficiently if regularly serviced. We recommend an annual service check. The service history of the appliance will be marked on the logbook. Flue gas safety This water heater is equipped with a flue gas extraction flow detection system which authorises operation of the burner. If the flow is insufficient for a prolonged period of time, the water heater shuts down for safety reasons, and indicators (23) 40, 60 and 80 flash. -
Page 21: Technical Data
Technical data Model MX2 24 FF MX2 30 FF Appliance Category ............. 2H3+ 2H+3+ Heat output C/H ............Pn 10 to 24 kW 12 to 30 kW Heat output DHW ...........Pn max 24 kW 30 kW DHW flow rates (∆T: 30 K) ..........D 11,4 I/min. -
Page 22: Instruction For Setting The Built In Clock
Instruction for setting the built in clock (if fittied) 1. General layout The mechanical clock covers a 24 hour period. Each tappet represents 15 minutes A (fig. 19). An override switch is located on the clock B (fig 19). 2. To set the time To set the time of day, grasp the outer edge of the dial and turn slowly clockwise until the correct time is lined up with the arrow C (fig. -
Page 23: Incorrect Function
Incorrect function Fault Cause Solution The boiler doesn’t start Control gas, water and electrical No gas, no water or no electricity supply, fuses… Follow procedure in chapter 7 Air in the gas pipe Set up the room thermostat Wait for a few minutes Press on reset button 25 (fig.16) the red Room thermostat switched off led turn off and the boiler attempts to re-... - Page 24 Chaffoteaux & Maury are continuously improving their products and therefore reserve the right to change specifications without prior notice and accepts no liability for any errors or omission in the information contained in this document. Manufacturer: Chaffoteaux & Maury - France Commercial subsidiary: MTS (GB) Limited MTS Building Hughenden Avenue...