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C&M MX2 24 Nat Installation and operating instructions manual

Manual is about: COMBINATION BOILER Heating and Instantaneous Domestic Hot Water Fanned Flue system

Summary of MX2 24 Nat

  • Page 1

    C 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 gb.

  • Page 2

    2 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 l...

  • Page 3: Contents

    3 contents customer care page guarantee ............................................................................................................................................................2 statutory requirements ..................................................................................

  • Page 4

    4 user’s instructions page 13- control panel .......................................................................................................................................18 14- how to use .........................................................................................................

  • Page 5: Description

    5 1 description installer’s instructions fig.1 1 2 14 4 5 6 12 3 10 15 17 16 18 fig.2 7 8 9 11 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 e...

  • Page 6: Dimensions

    6 440 450 mini pour entretien fig. 4 2 dimensions 54 54 54 54 j k l m n i j k l m n 32 296 141 289 15 21 720 652 121,5 i 172,5 18,5 18 all dimensions in mm with packaging : 24 kw : 32 kg 30 kw : 33 kg 3 hydraulic data fig. 5 fig. 6 the water heater is fitted with an automatic by-pass as standard. Th...

  • Page 7: Installation Requirements

    7 4 installation requirements location the boiler can be installed on any suitable internal wall. Provision must be made to allow the correct routing of the flue and siting of the terminal to allow the safe and efficient removal of the flue products. A compartment or cupboard may be used provided th...

  • Page 8

    8 5 connecting gas intake and exhaust ducts 5.1 type of coaxial outlet (c12, c32, c42) xx l max = 4 m Ø 60/100 mm 136 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 t...

  • Page 9

    9 ø 100 60 mm 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). The maximum development...

  • Page 10: Installing The Boiler

    10 - 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 - ...

  • Page 11: Electrical Connections

    11 7 electrical connections location of connections: - the 230 v supply lead and room thermostat inputs must be fitted on the wall at the height specified on the fitting template • the water heater is supplied with 230 v by a twin and earth lead supplied with the appliance • room thermostat : - allo...

  • Page 12: Operating

    12 pressurising (fig. 12) hot water circuit: - open the cold water tap 34 - drain the appliance by opening the various hot water taps central heating : - open flow and return valves on the boiler 31 and 35 - open the automatic air vent - open filling taps 36 and 37, and vent radiators. - set system ...

  • Page 13: Operating (Continued)

    13 p1 p2 on off a1 a2 a3 a4 b1 b2 b3 b4 p3 pompe grande vitesse pompe petite vitesse anticycle 3 min fonctionnement modulant tempo débistat sanitaire 1,5 sec tempo débistat sanitaire 0 sec célectic off on anticycle 30 s fonctionnement tor consigne chauffage à 40 °c consigne chauffage variable de 35 ...

  • Page 14: Fitting The Casing

    14 fig. 15 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. 15) - screw in the two clamp locking bolts ...

  • Page 15: Gas Conversion

    15 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 • take off the adjusting screws protect...

  • Page 16: Incorrect Function

    16 11 incorrect function code fault information 30 40 50 60 70 80 overheating safety feature. No flame detection. Antifrost mode on (pump in operation). Antifrost mode on (burner and pump in operation). Lack of water circulation. Primary water circulation defect central heating inlet thermistor faul...

  • Page 17: Particular Characteristics

    17 12 particular characteristics flow rate controller assembly direction by-pass valve assembly direction.

  • Page 18: User’S Instructions

    18 user’s instructions control panel (fig. 16) 19. - pressure gauge 20. - on/off push button and power on indicator light 21.- sanitary temperature setting and sanitary start button 22.- heating temperature setting and heating start button 23.- heating temperature indicator and operating faults indi...

  • Page 19: Operation

    19 14 operation note: in some circumstances, it is possible that the pipes (and possibly a radiator) heat up slightly after hot water is drawn. To prevent this, simply close heating inlet tap 31 (fig. 17). Remember to re-open it at the start of the heating season, when you switch the heating back on...

  • Page 20: Flue Gas Safety

    20 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. Important: this flue gas ch...

  • Page 21: Technical Data

    21 19 technical data this appliance is suitable for natural gas or lpg. A gas conversion must be made by a competent person. Model mx2 24 ff mx2 30 ff appliance category ............................................................. Ii 2h3+ ii 2h+3+ heat output c/h ......................................

  • Page 22

    22 3 6 9 12 fig. 18 20 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 ou...

  • Page 23: Incorrect Function

    23 21 incorrect function if these solutions do not cure the fault, call a qualified professional fault the boiler doesn’t start red indicator alight noises in ch system radiators rise in temperature during summer season cause no gas, no water or no electricity air in the gas pipe room thermostat swi...

  • Page 24

    1313374a - 10/2003 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...