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Murelle

installation and servicing instructions

GB

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Содержание MURELLE

Страница 1: ...Murelle installation and servicing instructions GB...

Страница 2: ...2 8 CHARACTERISTICS OF FEEDWATER 13 2 9 WATER FAILURE SAFETY DEVICE 2 10 SYSTEM FILLING 2 11 MURELLE 20 TX CE IONO BOILER SUPPLY 14 2 12 ELECTRICAL CONNECTION 15 2 13 ELECTRONIC BOARD 19 2 14 TEMPERAT...

Страница 3: ...accordance with the European Directives EN 297 EN 483 These appliances can be fired by natural gas methane and butane gas G30 or propane gas G31 This book let provides instructions for the following b...

Страница 4: ...25 BF 15 1 30 0 77 3 47 2 58 2 54 1 3 TECHNICAL FEATURES Heat Output Heat Input Electr protection Maximum Expans vessel Expans vessel Weight BOILER MODEL adjustable adjustable grade water head content...

Страница 5: ...e stat optional 21 Gas cock optional 22 Domestic water cock optional 23 Fixing jig optional 1 4 2 MURELLE BF model KEY 1 Fan 2 85 C limit stat 3 Water gas exchanger 4 Combustion chamber 5 Pressure swi...

Страница 6: ...alve 14 Circulation pump 15 Pressure switch valve 1 5 2 MURELLE BF model KEY 1 Water pressure switch 2 D H W sensor 3 D H W exchanger 4 Blocking hinge 5 Pilot burner 6 Water gas exchanger 7 85 C limit...

Страница 7: ...5 500 1000 1500 0 100 200 300 400 500 Portata l h 600 20 25 1 6 SYSTEM AVAILABLE HEAD RESIDUAL HEAD mbar FLOW RATE l h Fig 4...

Страница 8: ...th threaded joints provided with gaskets excluding three piece con nections except for initial and end connections Where the piping has to pass through walls a suitable insulating sleeve must be provi...

Страница 9: ...are or rectangular sections the corners must be rounded off with a radius of not less than 20 mm However hydraulically equivalent cross sections are allowed be equipped with a chimney pot at the top w...

Страница 10: ...r ring D and the metal collar I onto the pipe Push the flue discharge duct F fully home in the bend and fasten the metal collar I in position tightening the two fixing screws Fasten the duct C by tigh...

Страница 11: ...discharge terminal length 1280 mm cannot be shortened and that the articulated joint of the roof tile allows roof pitches of between 25 and 45 The tile is a plane roofing tile 1 Fig 11 and comes fit...

Страница 12: ...r than 1 m you are recommended to insulate the piping so as to prevent formation of dew on the outside of the piping during particularly severe periods of the year with the outlet pipe outside the bui...

Страница 13: ...pipe bend 80 the average head loss is 0 35 H2O NOTE The maximum head loss allowed for both pipes intake and outlet must not exceed 5 mm H2O Example Assuming that the length of each pipe is 4 metres an...

Страница 14: ...hen positioning the roof tile make sure to leave a distance of not less than 430 mm from the discharge top of the roof outlet terminal There is the possibility of doubling the air intake and smoke out...

Страница 15: ...ed with a water pressure switch set at 0 6 bar 1 Figs 3 3 a which goes into action blocking boiler operation whenever the pressure inside the boiler is less than the calibration value When the pressur...

Страница 16: ...ber ring for external closing and terminal with anti blowback wind protection device The following optionals are also available discharge pipe extension 60 length 1000 Code 8077302 90 elbow 60 Code 80...

Страница 17: ...the failure to provide for proper earthing of the appliance 2 12 1 Electric switchboard To gain access to the switchboard inside the appliance unscrew the two screws that fasten it to the rear panel 2...

Страница 18: ...E I Summer Winter switch TA Room stat SS D H W sensor red SM Heating flow sensor blue F1 Fuse T1 6A F2 Fuse F50 mA VG Gas valve TS 100 C safety stat TI Interrupted thermocouple TL 85 C limit stat M Mo...

Страница 19: ...sor blue LS Insuff water pressure warning lamp PA Water pressure switch IG Main switch F1 Fuse T 1 6A F2 Fuse T 50mA TA Room stat P Circulation pump A FM11 programmer EA Ignition electrode orange ER S...

Страница 20: ...p PA Water pressure switch IG Main switch F1 Fuse T1 6A F2 Fuse F 50 mA TA Room stat E I Summer Winter switch VP Pressure switch valve P Circulation pump A FM11 programmer EA Ignition electrode orange...

Страница 21: ...nertia and recovers the residual calories still present in the primary exchanger 2 13 2 D H W operation Upon demand for hot water the boiler starts instanta neously when the microswitch on the pressur...

Страница 22: ...nd will then move to the heating pressure value set When the connecting link is inserted both the pro grammed technical pause and the period of operation at minimum pressure in the startup phase will...

Страница 23: ...will start up again automatically 2 16 INTERRUPTION OF THERMOCOUPLE MURELLE 20 CE 20 BF CE The boiler is equipped with total safety devices with extinguishing of main burner and pilot if an accidenta...

Страница 24: ...rds so as to release it from the slot in pins located on the sides 3 and 4 unscrew the screws 1 that fasten the sides to the base and brackets of the smoke chamber push the sides 3 and 4 upwards slidi...

Страница 25: ...evelo ped by the boiler For measurements and checks on flow rate and temperature of D H W use suitable instruments taking into consideration any heat dispersion along the stretch of piping between the...

Страница 26: ...e minimum for the models equipped with the V4600N and 837 TANDEM gas valve and vice versa for the models equipped with the VK4105 gas valve 3 4 1 Maximum pressure adjustment V4600N To set the maximum...

Страница 27: ...hot water tap ignite the boiler by operating the switch and turn the screw 2 keeping locked the nut 3 to arrive at the minimum pressure value given in Table 8 to reduce the pressure turn the screw cou...

Страница 28: ...t see the pres sure heat output diagrams for natural gas methane and butane or propane gas shown in figs 33 and 34 3 6 PILOT BURNER ADJUSTMENT The MURELLE 20 CE 20 BF CE versions are equip ped with pi...

Страница 29: ...ked and cleaned out Proceed as follows turn the main switch off to stop electric power rea ching the boiler and close the gas feed cock disassemble the outer casing as described in section 2 19 remove...

Страница 30: ...ce interrupted thermocouple Replace gas valve Check water pressure switch PA if necessary repla ce it The smoke thermostat has tripped reset it Check whether electric power is reaching the gas valve a...

Страница 31: ...of circulation pump clearing away any impurities or sediments Circulation pump is burnt out or has a lower rpm than required replace Check boiler output is adequate for actual needs of heating system...

Страница 32: ...in rest condi tion Check whether connection tubes of smoke pressure switch PF are obstructed and if necessary clean away impurities or condensate Smoke pressure switch PF needs replacing with a new f...

Страница 33: ...Fonderie Sime S p A via Garbo 27 37045 Legnago Vr Tel 0442 631111 Fax Serv Commerciale 0442 631293 Fax Serv Tecnico 0442 631292 Cod 6151113...

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