Ariston System A 24 RFF manual

System A 24 RFFI System A 30 RFFI Installation and Servicing Instructions T ype C Boiler s G.C.N: 47-116-14 (24 kW) G.C.N: 47-116-15 (30 kW) LEA VE THESE INSTR UCTIONS WITH THE END-USER S S Y Y S S T T E E M M A A Countr y of destination GB IE[...]

2 These instructions are suitable for the System A boilers : MTS supports Benchmark, the heating industry code to ensure the correct installation, commissioning and servicing of domestic central heating systems. To The Householder Make sure that your installer completes Section 24 of this manual , this provides a record of the commissioning of your[...]

3 C USTOMER CARE Page G uarantee ............................................................................................................................................................2 Statutory Requirements .......................................................................................................................................2[...]

4 INTRODUCTION The System A is a fully automatic, wall mounted, low water content condensing system boiler. It is a room sealed, fan assisted, balanced flued appliance providing central heating. It has electronic ignition and is suitable for all modern electrical control systems. The boiler is designed for sealed systems only and a circulating pump[...]

5 USER’S INSTR UCTIONS 1. Contr ol panel 31 27 26 35 29 Fig 1 34 32 33 Control panel (fig. 1) 26 .- Display 27 .- On/off push button and power on indicator light 29 .- Reset push button and red indicator locking light 30 .- Cylinder Hot water start button and temperature setting (System Plus only) 31 .- Central Heating start button and temperatur[...]

6 2. Ho w to Use Switching on and filling instructions 1. Check the pressure in the central heating system is above 0.7 bar and below 1.5 bar with the pressure gauge 16 (fig.1), should it be neccessary to re-pressurise the system,ensure the filling loop 45 (fig. 2) is attached, open the filling taps 43 & 44 , the pressure gauge will now start t[...]

7 Anti-freeze and anti-sieze modes Provided the ON/OFF button is on (green light), the water pressure is adequate and the boiler has not shut down due to an error, the anti-freeze and ant-sieze operations will remain active. W hen the anti-freeze comes on, one of two codes will be displayed with the snowflake pictogram . The two possible codes are [...]

8 3 6 9 12 Fig. 3 1. General layout The mechanical clock covers a 24 hour period. Each tappet represents 15 minutes A (Fig. 4). An override switch is located on the clock B (Fig 4). 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. 4). 3. T[...]

9 6. Setting the time c loc k (contin ued) P r o g . h m Day M anual switch S ummer and w inter time setting Reset E nter w eekday/s E nter the hours W eek- d ays flash E nter minutes E nter switching t imes I mput time Automatic Manual Continuous Operation Operation Operation The switching If the cur[...]

10 Entering the switching times Y ou have 20 memory Iocations available. Each switching time takes up one memory location. K eep pressing the “Prog” button until a free memory location is shown in the display “– –:– –”. P rogramme ON or OFF with the “ ” button: “ ”= OFF; “ ”= ON Enter the hour using “h” Enter the min[...]

11 1 . - Steel chassis complete with expansion vessel 2 .- Sealed chamber 3 .- Burner and heat exchanger assembly 4 .- Air / gas connection 5 . - 24 V modulating fan 6 .- Gas valve 7 . - Ignition electrode 8 .- Ionisation probe 9 . - Ignitor 10 .- Combustion products manifold 11 .- Siphon 12 .- Silencer 1 3 . - Electrical box 14 .- Pump 16 .- Press[...]

12 8. Dimensions 9. Hydraulic data 440 450 mini pour entretien Fig. 8 54 54 54 54 JK L M N I JK L M N 32 296 141 289 2 1 720 691,5 121,5 I 172,5 4,7 All dimensions in mm With packaging : 24 kW : 34 kg 30 kW : 37 kg 390 minimum space required 450 I S afety valve C/H and condensate J H eating flow K Cylinder return (System Plus only) L Gas supply M C[...]

13 Reference Standards In the United Kingdom, the installation and initial start up of t he boiler must be by a CORGI Registered installer in accordance with the installation standards currently in effect, as well as with any and all local health and safety standards i.e. CORGI. In the Republic of Ireland the installation and initial start up of t [...]

14 I t must also be possible to be able to completely isolate the appliance electrically. Connection should be via a 3 amp f used double-pole isolating switch with a contact separation of at least 3 mm on both poles. Alternatively, a fused 3 Amp. 3 pin plug and unswitched socket may be used, provided it is not used in a room containing a bath or sh[...]

15 10. Installation Requirements (continued) 1. Internal termination of condensate drainage pipe to internal stack 2. External termination of condensate drainage pipe via internal dischar ge branch (e.g. sink waste) and condensate siphon iii) Terminating into a gully, below the grid level but above the water level. iv) Into a soakaway. N O TE : If [...]

16 10. Installation Requirements (continued) 3. External termination of condensate draina ge pipe via internal dischar ge branch (e.g. sink waste - proprietary fitting) 4. External termination of condensate drainage pipe via condensate siphon[...]

17 Please check that you are familiar with the installation requirements before commencing work (Section 10). The installation accessories described in the following list are included in the boiler packaging: - Hanging bracket - A paper template (showing the dimensions of the boiler with 5 mm side clearances) - Connection tails and valves - Screws [...]

18 1 2 A A Fig. 13 Fig. 15 F ig. 12 11. Installing the Boiler (continued) Fig. 14 P P[...]

19 5 Ø 60/100 mm 118 Fig. 17 3 6 9 12 F ig. 16 The boiler should only be installed with a flue system supplied by MTS (GB) Limited. 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. The boiler[...]

20 Fig. 19 12.2 Fitting the 5” Flue (Ø 80 / 125 Horizontal/vertical) Screws Clamp Seal C O NTENTS : 1 X S I LICONE O-R I NG (60mm) 1 X E L BOW (90 O ) 2 X W ALL S EALS ( I NTERNAL & E XTERNAL ) 1 X F LUE P IPE INCLUDING T ERMINAL (1 METRE - 60/100) 1 X F LUE C LAMP 1 X S C REWS 1x Seal Once the boiler has been positioned on the wall, insert [...]

21 Fig. 20 Fig. 21 Fig. 22 1 62[...]

22 N O TE : S E E PAGE 2 4 F OR MAXIMUM AND MINIMUM FLUE RUNS . C ONTENTS : 1 X S I LICONE O-R I NG (60mm) 1 X C O NICAL A D APTOR (60/100mm) 1 X V E RTICAL F L UE K I T (80/125mm) 3 X S C REWS The vertical flue kit is supplied with a specially designed weather proof terminal fitted, it can be used either with a flat roof or a p itched roof. T he V[...]

23 12.4 Fitting the twin pipe (Ø80/80) N OTE : S EE PAGE 2 4 FOR MAXIMUM AND MINIMUM FLUE RUNS ( T ABLE C ) Where it is not possible to terminate the flue within the distance permitted for coaxial flues, the twin flue pipe can be used by fitting a special adaptor to the flue connector and using the aperture for the air intake located on top of the[...]

24 123,5 200 107 25 Fig. 27 ø 100 6 0 mm In the event that twin flue pipes are used, and the boiler has a side clearance of less than 60mm from the wall, it is necessary t o cut a larger diameter hole for the flue pipe, this should be ø10 cm, this will then allow for easier assembly of the air intake elbow and the tube outside the wall (see Fig. [...]

25 EXHAUST AIR INT AKE AIR INT AKE AIR INT AKE MUST NO T BE FITTED ABO VE THE EXHA UST N O TE : D RA WINGS ARE INDICA TIVE OF FLUEING OPTIONS ONL Y . T YPE 1 T YPE 5 T YPE 4 T YPE 3 T YPE 2 Fig. 29 12.4 Fitting the twin pipe flue (Ø80/80) (continued)[...]

26 Making the Electrical Connections H inge down the electrical box to gain access to the electrical connections. Push in the tabs P (Fig. 30) o n either side of the boiler and pivot the box for- ward. R emove the PCB cover (see Section 18.4). Connect the live neutral and earth wires to the main c able. I f using a room thermostat or other external[...]

27 Fig. 31 L EGEND 1 NTC Connectors 2 D isplay Connectors 3 EEPROM Button 4 24V DC Supply 5 Fan Connector 6 F lame Detection Connector 7 Fuses 2A 230V (X2) 8 230V Connector 9 Auxillary 230V Connector 10 Actuators 230V Connector 11 Time Clock Connector (Internal) 12 Room Thermostat Connector 13 Remote Control Connector 14 Under Floor Heating Connect[...]

28 13.1 Fitting the mechanical and digital time cloc ks To fit the integral time clock it is necessary to proceed as f ollows; - Isolate the electical supply to the appliance; - Remove the front panel as described in Section 18.1.1; - Remove the plastic cover on the right hand side (Fig. 33) and pull out the 4 wires (Fig. 34); - Connect the time cl[...]

29 F IG . 38 13. Electrical Connections (continued) 13.2 Connecting Zone V alves (System A) The boiler can be connected to a central heating system that uses two zone valves to allow connection to an indirect storage cylinder. There are two wiring diagrams shown, one for the connection to an U nvented Cylinder (Diagram. A) and one for connection to[...]

30 W IRING D IA GRAM FOR C ONNECTION T O AN O PEN V ENTED C YLINDER D IA GRAM B[...]

31 W IRING D IA GRAM FOR C ONNECTION T O AN MTS U NVENTED C YLINDER D IA GRAM A[...]

32 14. Commissioning and T esting 14.1 Initial preparation MTS (GB) Limited support the initiative. In S ections 24 and 25 (pages 60 and 61) of this manual the C ommissioning Checklist and Service Interval Record can be found. It is important that this is completed in the presence of your customer, they are shown how to use it, and it is signed by [...]

33 14. Commissioning and testing (continued) 14.3 Adjusting the CO 2 Adjustment screw Fig. 40 14.4 Gas Con version To convert from Natural Gas (G20) to LPG (G31), it is n ecessary to insert a diaphragm and restrictor between the gas valve and air/gas arm. Once the conversion has been made, the CO 2 setting will need to be checked as described in Se[...]

34 14.8 Completion For the Republic of Ireland it is necessary to complete a “Declaration of Conformity” to indicate compliance to I.S.813. An example of this is given in the current edition of I.S.813. In addition it is necessary to complete the Commissioning Checklist in Section 24 of this manual (Page 60). 14.7 External sensor and ambient se[...]

35 14. Commissioning and testing (continued) 14.10 Instructing the end user 1 . Hand over these instructions and explain how to use the time clock and room thermostat (if fitted) and explain how t o register the guarantee; 2. Show the end user how to switch the appliance off quickly, and indicate the position of the electric supply i solator; 3 . I[...]

36 1 15. Fitting the casing M N R A Fig. 44 Fitting the casing Remove the protective film on the casing: - Locate the lower clips into the slots in the chassis - Engage hooks N on the casing in notches R on the side panels M operation (Fig. 43) - Fit the top of the panel in place - Close the panel mounting clamps (Fig. 44) - Screw in the two clamp [...]

37 16. Sequence of operation Activation of the time clock and/or room thermostat starts the boiler. The display panel indicates the flow temperature s in central h eating as illustrated below: W ith the boiler in rest, the diverter valve is in the domestic hot water position, activation of the central heating changes the position of the motorised v[...]

38 The boiler is delivered with pre-set values described i n menus 3 and 4. All settings must only be changed by the installer or a qualified person. To gain access to the setting buttons please, open the front control panel cover P ) and follow the instructions below. 17. Adjustments and settings DISPLA Y 2nd digit P 1st digit 3rd digit 4th digit [...]

39 Menu - 2 - Boiler conditions Indicates the conditions or the configurations of the boiler 5 ” Menu - 1 - Default register Record the last 10 def aults x times once D ISPLAY A CTION C ONFIGURATION N ote - - i s displayed if no default is recorded S ection D igit 1 D igit 2 D igit 3 and 4 Last default occured 1 0 code from 01 to 99 L ast but one[...]

40 once F actor y setting DISPLAY A CTION C ONFIGURATION Menu - 3 - Boiler options x times Rubrique Elément 1 Elément 2 Elément 3 et 4 Inactive 3 0 -- DHW thermostatic kit f itted to boiler? (fix DHW temp to 65°C) 3 1 0 : non 1 : oui Optional programmer action 3 2 0 : on heating and reheating of tank 1 : on reheating of tank 2 : on the heating [...]

41 once F actor y setting DISPLAY A CTION C ONFIGURATION x times Section Digit 1 Digit 2 Digit 3 and 4 Stop pump after burner stops 4 0 0 : no 1 : yes Pump speed 4 1 0 : High speed 1 : Adaptive Pump post circulation duration 4 2 0 to 5 min by step 0.5 min Inactive 4 3 Maximum Central Heating flow temperature 4 4 50° to 85° by steps of 1 ° Minimu[...]

42 Menu - 5 - Comb ustion rate contr ol mode Effect Display DISPLAY A CTION C ONFIGURATION C ombustion rate control mode OFF Combustion rate control mode ON The main exchanger temperature appears on the display. The digit - on the display shows the gas o utput level. (Top = maxi, bottom = mini). Gaz output setting To modify the gas output use + and[...]

43 DISPLAY A CTION C ONFIGURATION once x times F actor y setting N.B. To ensure that these parameters are set correctly, consult the "thermo-regulation help" document enclosed with the documentation folder. Menu - 6 - Thermo-regulation settings S ection D igit 1 D igit 2 D igit 3 and 4 T ype of control 6 0 0 : Heating setting can be adjus[...]

44 C H anti cycling delay setting : If you would like to change the setting of CH anti cycling delay, if you want 3 mn ,please proceed as follow : (note : the factory setting is 2 mn 30 seconds and the following explanation refer to menu 4 section 8) Displa y 17. Adjustements and Setting (continued) 1 5 ” 2 x 3 1 2 or 3 3 4 4 S witch to installer[...]

45 SER VICING INSTRUCTIONS Fig. 47 Fig. 45 Fig. 46 Fig. 48 A The life of individual components vary and they will need servicing or replacing as and when faults develop. The fault finding sequence chart in Section 19 will help to locate which component is the cause of any malfunction, and instructions for removal, inspection and replacement of the [...]

46 18.2 Access to the Combustion Chamber D Fig. 49 Fig. 50 Fig. 51 Fig. 52 Fig. 53 Fig. 54 Fig. 55 Fig. 56 Fig. 57 E 18.2.1 Removing the air gas assembly 1 .I s olate the gas supply to the boiler; 2 . Carry out step 18.1.1 ; 3. Remove the silencer (Fig. 49) ; 9. Remove the air gas assembly and combustion chamber front (Fig. 57); 10. Reassemble in r[...]

47 F Fig. 58 Fig. 60 Fig. 61 Fig. 62 Fig. 63 Fig. 64 Fig. 65 Fig. 66 H I 18.2.2 Removing the burner 18.2.3 Removing the detection electrode 1 . C arry out step 1 8.1.1 a nd 1 8.2.1 (without removing the 4 nuts D); 2. Remove the 3 screws F from the air/gas manifold (Fig. 58) ; 3. Slide the burner out from the front, taking care not to damage the ins[...]

48 Fig. 67 Fig. 68 Fig. 69 Fig. 70 Fig. 71 Fig. 72 Fig. 73 J K L 18.2.5 Removing the fan 1. Carry out step 18.1.1 ; 2 . R emove the air gas manifiold as in step 18.2.1 (Fig. 67) ; 3. Unscrew the two screws from the v enturi J a nd remove with the gas valve (Fig. 68); 4. Unscrew the three screws K on the a ir/gas pipe and remove (Fig. 69); 5. Reasse[...]

49 Fig. 74 Fig. 76 Fig. 75b Fig. 79 Fig. 80 M1 N 18.2.7 Removing the heat exchanger 1 . C arry out step 1 8.1.1 ; 2. Remove the air gas manifiold as in 1 8.2.1 ( Fig. 74) ; 3 . R emove the flow pipe clip and unscrew the pump nut (Fig. 75a & 7 5b); 4 . R emove the flow and return pipes and the condense drain pipe from t he heat exchanger. (Fig. [...]

50 18.3 Access to the W ater Circuit Important! Before any component is removed, the boiler must be drained of all water. 18.3.1 Drain down Close the flow and return isolating valve and open the pressure relief valve. 1 8.3.2 Removing the 3 way valve 1. Carry out step 1.2.1 and 1.2.3 ; 2. Remove the clip “ Q1 ” from the by-pass tube ( see fig. [...]

51 18.3.6 Removing the pressure relief valve 1. Carry out step 18.1.1 and 18.3.1 ; 2. Remove the clip securing the valve (see Fig. 97) and pull it toward you; 3. Reassemble in reverse order; take care to ensure the valve is in the correct position; Fig. 97 18.3.5 Removing the pump 1. Carry out step 18.1.1 ; 2. Lower the electrical box cover as in s[...]

52 18.3.7 Removing the expansion vessel 18.3.8 Removing the overheat thermostat 1. Carry out step 18.3.1; 2 . I solate the gas supply and disconnect all pipe connections; 3. Remove the boiler from the wall 4. Unscrew the nut U (see Fig. 98) ; 1. Remove the casing as in step 18.1.1 ; 2. Pull off the thermostat connections. Then remove the thermostat[...]

53 18.3.11 Removing the water pressure switch 1. Remove the casing as in step 18.1.1 ; 2. Pull off the connections. Then remove the pressure switch by releasing it’s securing clip (see Fig. 103) . Fig. 103 18.3.10 Removing the pressure gauge 1 . C arry out step 1 8.4.6 ; 2 . R emove the pressure gauge by releasing the two clips V and pulling the [...]

54 18.4.2 Removing the fuses 1. Carry out step 18.4.1 ; 2. Remove the fuses “ X ” (see Fig. 112) 3. Reassemble in reverse order. N OTE :F USE RATING = 2A MP FAST FUSE Fig. 112 Fig. 111 W5 X Fig. 110 8. To remove the main PCB disconnect all electrical connections and remove the two screws W5 (see Fig. 111 ); Do not forget to swap the EEPROM butt[...]

55 19. Incorrect function I n case of problem, or when the boiler has displayed an error code, the display flashes 2 digits. Please refer to the table below to diagnose the fault. For faults 01 and 03, A appears on the display, the boiler is locked and the reset button illuminates (28). To reset the boiler press the reset button 29 . 29 Fig. 114 Ov[...]

56 21. Incorrect function 20. Gas con ver sion I f the boiler is not set for the gas type, converson kits are available. To convert the boiler, please use exclusively MTS parts and proceed as it is mentioned in the instruction manual provided with the conversion kit. If these solutions do not cure the fault, call a qualified professional Fault Caus[...]

57 22. Maintenance Instructions 22.1 General remarks It is recommended that the following inspections be carried o ut on the boiler at least once a year; 1. Check the seals in the water group, and if necessary, replace the gasket and restore the seal to perfect working order; 2. Check the seals in the gas group, and if necessary replace the gaskets[...]

58 616 407 537 554 Rep. Désignation Référence Autre T ype Date de à Ke y N Description Man f. Pt . N Other T ype Manf. date from to Zei ch. Bezeich nu ng T eilnummer Andere Ty p Datum ab bis de a Senal Designación Referencia Ot ro T ypo Fe cha Ri fer . figura Descrizione Codice Altra Tipo Data da a fr SYSTEM A 24 30 FF FF 0100 BURNER ASSEMBLY [...]

59 24. T echnical data Model 24 kW 30 kW CE certificate 1312-BP-4083 1312-BP-4084 Performance category **** **** NoX class 5 5 Category II2H3P II2H3P Heating output 80°C/60°C kW 5 to 21 6 to 27 Heating output 50°C/30°C kW 6 to 23 7 to 29 Variable cylinder heating power PN max kW 25,1 30,2 Nominal gas flow rate (15°C-1013 mbar) min max min max [...]

60[...]

B ENCHMARK No. FOR ALL BOILERS CONFIRM THE FOLLOWING BOILER SERIAL No . NOTIFICATION No . CONTROLS T o comply with the Building Regulation, each section must have a tick in one or other of the boxes THE SYSTEM HAS BEEN FLUSHED IN ACCORDANCE WITH THE BOILER MANUFACTURER’S INSTRUCTIONS? THE SYSTEM CLEANER USED THE INHIBITOR USED FOR THE CENTRAL HEA[...]

SERVICE INTER V AL RECORD It is recommended that your heating system is serviced regularly and that you complete the appropriate Service Interval Record Below. S ervice Provider. B efore completing the appropriate Service Interval Record below, please ensure you have carried out the service a s described in the boiler manufacturer’s instructions.[...]

63 Please read these terms and conditions which are in addition to any terms and conditions detailed in this book or any registration card supplied with your appliance. A charge will be made to the owner of the appliance if: ∑ The reason for any service visit is as a direct result o f a failure to install the appliance in accordance with the manu[...]

64 420010029000 - 03/2006 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: MTS (SA) - France Commercial subsidiary: MTS (GB) Limited MTS Build[...]