Unical RTN 24 Installation, Use And Maintenance Manual Download Page 36 | Manualshive

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La Unical declina ogni responsabilità per le possibili inesattezze se dovute ad errori di trascrizione o di stampa. Si riserva altresì il diritto di apportare
ai propri prodotti quelle modifiche che riterrà necessarie o utili, senza pregiudicarne le caratteristiche essenziali.

AG

S.P.A.

46033 casteldario - mantova - italia - tel. 0376/57001 (r.a.) - telefax 0376/660556

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Summary of Contents for RTN 24

Page 1: ...00331967 1a edition 02 2004 IVEN 04 UK RTN 24 RTFS 24 RTFS 28 CTN 24 F CTFS 24 F CTFS 28 F INSTALLATION USE AND MAINTENANCE...

Page 2: ...irs to the boiler Non observance of the above requirement may jeopardize the safety of the boilers and expose people animals and property to danger To guarantee efficiency and correct functioning of t...

Page 3: ...inal Output 10 Pcond Condensing Nominal Output only for condensing boiler 11 D Specific flow rate EN 625 12 Qn Nominal heat input 13 Qnw Nominal heat input for D H W system if there are different out...

Page 4: ...boilers pag 14 2 2 8 Smoke evacuation 80 air suction flange pag 15 2 2 9 Discharge of flue gas into coaxial ducts with a diameter of 100 60 mm Type A accessories pag 16 2 2 10 Flue gas discharge and a...

Page 5: ...dulation Minimum output control Electronic control of ignition ramp Anti freeze function Pump anti jamming function Pump over run function High limit thermostat 95 C Three speed circulating pump Expan...

Page 6: ...Circulating pump 18 D H W flow restrictor 10 12 l min 19 Flow switch 20 Cold water filter 21 By pass M C H system flow C D H W outlet G Gas inlet F D C W inlet R C H system return 1 Heating circuit sa...

Page 7: ...c air vent 15 Circulating pump 16 Filling valve except French Belgium and England version 17 By pass M C H system flow G Gas inlet R C H system return 1 Heating circuit safety valve 2 Low water level...

Page 8: ...87 43 87 32 2 93 2 86 8 1 76 3 19 87 7 17 5 17 6 60 86 2 65 7 9 163 2 13 2 6 8 0 256 1 4 OPERATING DATA Nominal output Minimum output Actual water efficiency at full load 100 Min required water effici...

Page 9: ...s conduits and fittings must only be carried out by a registered service provider The system must be cleaned and serviced once a year This includes an inspection 900 495 390 Keep the packaging materia...

Page 10: ...he boiler above applian ces which might affect operation when in use cookers which produce greasy ste am washing machines etc avoid installing natural draught boilers in corrosive or very dusty atmosp...

Page 11: ...FLUE GAS DISCHARGE SYSTEM NATURAL DRAUGHT OPEN FLUE BOILERS Connection to the chimney A good chimney is very important for the cor rect functioning of the boiler it must therefore conform with the fol...

Page 12: ...ill be fixed must protrude from the wall of the building for a length of at least twice the diameter of the duct the draught terminal must overlap the con nection to the boiler by at least 1 5 m see f...

Page 13: ...including two ducts one for the suction of com bustion air and the other for the exhaust of the combustion products through coaxial or dual ducts The chimney must comply with rele vant applicable law...

Page 14: ...of the building I 300 From the ground or from another floor L 2500 Between two vertical terminals M 1500 Between two horizontal terminals N 1000 From a facing front surface without opening or teminal...

Page 15: ...e pipe of 80 mm dia is 20 m for IVEN 04 RTFS 24 e IVEN 04 CTFS 24 F and 25 m for IVEN 04 RTFS 24 e IVEN 04 CTFS 28 F included a wide radium curve and one smoke terminal For this type of installation t...

Page 16: ...ust be reduced by 1 metre The diaphragm 44 supplied with the boi ler must be inserted in the flue gas exhaust pipe as shown in figure 13 for installa tions with horizontal coaxial pipe up to 1 m and w...

Page 17: ...pe see fig 16 WARNING In case the flue duct has to cross walls or floors or if it is easily reachable it is ne cessary to foresee a convenient insulation of such a duct The flue duct during the operat...

Page 18: ...CARICO CHE DI ASPIRAZIO NE 80 DIMENSIONS FOR CONNECTING THE AIR INTAKE AND THE FLUE GAS DISCHARGE WITH DUAL DUCTS Example N 1 fig 18 Primary air suction from perimeter wall and flue gas discharge on r...

Page 19: ...ng measurements must be made the combustion air temperature measured in hole 2 see fig 20 the flue gas temperature and CO2 mea sured in hole 1 see fig 20 Make these measurements with the boiler runnin...

Page 20: ...must be connected to the relevant connections of the boiler M and R see fig 7 When determining the size of the heating cir cuit pipes it is essential to bear in mind the pressure losses induced by rad...

Page 21: ...0 0 8 0 6 0 4 0 2 0 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 V1 V2 V3 6 2 6 0 5 8 5 6 5 4 5 2 5 0 4 8 4 6 4 4 4 2 4 0 3 8 3 6 3 4 3 2 3 0 2...

Page 22: ...e to the upper holes C and fix the panel If the boiler is already installed go on with the emptying of the boiler Relate for the discharge connection of the safety valve a plastic pipe with hose adap...

Page 23: ...he female faston of the earth wire must be introduced in the male faston GND1 Connection of the ON OFF room thermo stat RT Approach the connector Y1 Remove the existing jumper and connect on its place...

Page 24: ...2 1 4 N L N C N A C V P V A 5 5 4 3 2 1 5 4 3 2 1 R T N 2 4 C T N 2 4 F R T F 2 4 R T F 2 8 C T F S 2 4 F C T F S 2 8 F Y 1 6 A 2 S S 5 4 3 2 1 6 IG A 7 T A E R IV TEFLO N W H ITE F S 1 TEFLO N RED IG...

Page 25: ...than 0 8 1bar if this value is lower use the water filling tap on the boiler to adjust the pres sure This must be performed when the system is cold Use the temperature and pressure gau ge on the boile...

Page 26: ...sweeper switch H fig 35 on the panel board in this way the boiler will operate at maximum output when the burner is ignited check that the MAXIMUM pressure value corresponds to that indicated on the t...

Page 27: ...gas valve see table INJECTORS PRESSU RES and adjust the pressure of the bur ner as indicated in section ADJUSTING THEBURNER check that the burner is functioning pro perly check that there are no gas...

Page 28: ...rner as previously shown in fig 30 switch on the boi ler in heating mode and proceed as follows Wait about 50 sec to allow the burner pres sure to reach the standard operating va lue Check the pressur...

Page 29: ...is in short circuit with earth d The input at the minimum rate is not enough e The PCB does not detected the flame a The chimney draught is not correct b The H L thermostat has cut in An over heating...

Page 30: ...d the thermostatic val ves are closed or the system gate valves are closed b The circulation pump is blocked or is faulty a The boiler may be frozen 2 10 7 b The D H W sensor is faulty 2 10 6 c One or...

Page 31: ...ION priority 4 Description False flame has been detected at ignition start up 2 10 5 CH TEMPERATURE SENSOR priority 3 Description CH sensor interruption or short circuit 2 10 6 DHW TEMPERATURE SENSOR...

Page 32: ...ays gives priority to the production of domestic hot water if it is requested and controls the temperature of the water of the heating circuit from a minimum of 45 C to a maxi mum of 78 C D H W temper...

Page 33: ...e tank is not fitted the knob C must be positioned and must stay onto the symbol Power ON lamp Green D When this lamp is illumina ted it indicates that the boiler is connected to the mains sup ply CH...

Page 34: ...n lockout position and the red warning lamp G lights In this case proceed as follows Ascertain that the gas cock is open and that there is gas in the gas pipe try to ignite a gas cooker If so wait one...

Page 35: ...35...

Page 36: ...ad errori di trascrizione o di stampa Si riserva altres il diritto di apportare ai propri prodotti quelle modifiche che riterr necessarie o utili senza pregiudicarne le caratteristiche essenziali AG S...

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