Ariston AVL 108 Technical Information

Installation and Servicing InstructionsGas red condensing wall hung combination boilers G.C.N : 47-116-51 (24 kW) G.C.N : 47-116-52 (30 kW) G.C.

10installationWater SupplyThe boiler is suitable for sealed systems only. The maximum working pressure for the appliance is 6 bar. All ttings and p

11installationii) Connecting into the waste system of the building such as a washing maching or sink trap. The connection must be upstream of

12installationInstalling the BoilerPlease check that you are familiar with the installation requirement before commencing work (pages 7 - 11).The inst

13installationGas connection Make sure, using the labels on the packaging and the data plate on the appliance itself, that the boiler is in t

14installationTo calculate the size of the heating installation, refer to the "Available pressure" graph below. Graph representin

15installationConnecting the FlueFlue SystemThe provision for satisfactory ue termination must be made as described in BS 5440-1.The appliance must b

16installationWarningThe exhaust gas ducts must not be in contact with or close to inammable material and must not pass through building struc-tures

17installationClampSealScrewsFitting the 5” Flue (Ø 80 / 125 Horizontal/vertical)Once the boiler has been positioned on the wall, it is necessary to

18installationFitting the Coaxial Flue (Ø 60 / 100 Vertical)Note: See table for maximum and minimum ue runs.Contents:1x Silicone O-Ring (60mm)1x Co

19installationFitting the Twin Pipe (Ø80 / 80)Note: See table for maximum and minimum ue runs.Where it is not possible to terminate the ue within th

2overviewINDEXOverviewGeneral Information ...3Advice for

20installationFor coaxial systems, the maximum development value, mentio-ned in the table below also takes into account an elbow.For twin ue systems

21installationTable of ue gas exhaust duct lengthsCOAXIAL SYSTEMFLUE TYPEMAX LENGTHDIAMETER of PIPEC13Flue gas exhaust and air suction duct through e

22installationTWIN-PIPE SYSTEMFLUE TYPEMAX LENGTHDIAMETER of PIPEC13Flue gas exhaust and air suction duct through external wall in the same range of p

23installationWARNING Before performing any work on the boiler, rst disconnect it from the electrical power supply using the external b

24installationRoom Thermostat / Remote Clock ConnectionTo connect a room thermostat, it is necessary to:1. Open the control panel2. Loosen the cable c

25installationElectrical diagramFor increased safety, ask a qualied technician to perform a thorough check of the electrical system. The man

26commissioningInitial preparationMTS (GB) Limited support the benchmark initiative. On pages pages 65 and 66 of this manual the Benchmark Co

27commissioningFIRST IGNITION OPERATION1. Check the electrical supply.Complete . . . . . . . . . . . . . . . . . . . Date . .

28commissioningIgnition procedurePress the ON/OFF button on the control panel to switch on the boiler. The display shows:The operating mode

29commissioninggas settingparameter24 kW30 kW38 kWG20G31G20G31G20G31lower Wobbe index(15°C, 1013 mbar) (MJ/m3)45,6770,6945,6770,6945,6770,69minimum f

3overviewThese instructions are suitable for CLAS HE boilers :Do not forget the Log Book!MTS supports Benchmark, the heating industry code to ensure t

30commissioningTest function and combustion analysisThe boiler has two pressure taps to measure the combustion gas temperature, the combustive air

31commissioningAUTO functionThis is a function which enables the boiler to automatically adapt its operation routine (the temperature of the heating e

32boiler protection devicesBoiler protection devicesThe boiler is protected from malfunctioning by means of internal checks performed by the electroni

33settings - adjustment - problem identication menusAccessing the settings - adjustment - problem identication menusThe boiler can be used to man

34settings - adjustment - problem identication menusmenusub-menuparameterdescription valuedefault setting2 BOILER PARAMETER SETTING2 1 Entering acces

35settings - adjustment - problem identication menusmenusub-menuparameterdescription valuedefault setting2 4 BOILER PARAMETER  PART 22 4 0 NOT PRESE

36settings - adjustment - problem identication menusmenusub-menuParameterDescription valuedefault setting3 BOILER WITH TANK INTERNAL OR EXTERNAL AN

37settings - adjustment - problem identication menusmenusub-menuparameterdescription valuedefault setting4 ZONE 1 PARAMETER4 0 ZONE 1 TEMPERATURE SET

38settings - adjustment - problem identication menusmenusub-menuparameterdescription valuedefault setting5 ZONE 2 PARAMETER5 0ZONE 2 TEMPERATURE SETT

39settings - adjustment - problem identication menusmenusub-menuparameterdescription valuedefault setting7 TEST & UTILITIES7 0 0 Function test -

4overviewCE labellingThe CE mark guarantees that the appliance conforms to the fol-lowing directives:- 90/396/CEE relating to gas appliances - 89/3

40settings - adjustment - problem identication menusmenusub-menuParameterDescription valuedefault setting8 6 STATISTICS8 6 0 Number of hours burner o

41maintenanceImportantMaintenance is an essential part of the safe and ecient operation of the boiler and ensures its durability. It should

42MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE1.3 GENERAL ACCESSGENERAL ACCESS ToolsTime3 min 1Unclip the cover to remove Remove the two screws Remov

43MAINTENANCE GUIDE2. ELECTRICAL UNITMAINTENANCE GUIDE: CLAS HE2 ELECTRICAL UNIT 2.1 CONTROL BOX ACCESSCONTROL BOX ACCESS ToolsTime4 min 1Remove the

44MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE2.3 MAIN PCBMAIN PCB ToolsTime7 min 1After opening the control box, disconnect the electrical plug connec

45MAINTENANCE GUIDE3. HYDRAULIC UNITMAINTENANCE GUIDE: CLAS HE3 HYDRAULIC UNIT 3.1 RIGHT HAND HYDRAULIC BLOCK ASSEMBLYLEGEND1. Diverter valve motor

46MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE3.3 DRAININGDRAINING ToolsTime5 min 1Turn the drain valve anti-clockwise to open and drain the water from

47MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE3.6 PUMPPUMPToolsTime10 min 1Drain boiler (see 3.3). Remove the clip and the two screws Disconnect the pi

48MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE3.7 CH FILTERCH FILTER ToolsTime5 min 1Drain boiler (see 3.3) Remove the clip Remove the filter 3.8 DHW F

49MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE3.9 LEFT HAND HYDRAULIC BLOCK ASSEMBLY1. DHW temperature sensor 4. Safety valve 2. Left hand hydraulic b

5overviewSafety regulationsKey to symbols:Failure to comply with this warning implies the risk of personal injury, in some circumstances even

50MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE3.11 SECONDARY HEAT EXCHANGERSECONDARY HEAT EXCHANGER ToolsTime10 min 1Drain primary and domestic hot wa

51MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE3.13 SAFETY VALVESAFETY VALVE ToolsTime3.14 BY-PASS ASSEMBLY5 min 1Drain boiler (see 3.3). Disconnect t

52MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE3.17 MAIN HEAT EXCHANGERMAIN HEAT EXCHANGER ToolsTime20 min 1Drain boiler (see 3.3). Remove the four

53MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE4 BURNER UNIT LEGEND1. Burner 6. Gas valve2. Fan 7. Mixing tube 3. Silencer 8. Detection electrode 4. G

54MAINTENANCE GUIDE4. BURNER UNITMAINTENANCE GUIDE: CLAS HE4.1 SPARK GENERATOR4.2 ELECTRODESSPARK GENERATOR Tools5 min Time1Unplug the ignition electr

55MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE4.3 BURNERBURNER Tools15 min Time1Remove the silencer Isolate the gas supply. Remove the four screws and

56MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE4.4 FANFANToolsTime15 min 1Remove the three screws to free the fan.Remove the combustion assembly (see 4.

57MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE4.5 GAS VALVEGAS VALVE ToolsTime15 min 1Replacement Gas Valves are not factory set and will need to be se

58MAINTENANCE GUIDEMAINTENANCE GUIDE: CLAS HE5 ANNUAL MAINTENANCE Plate heat exchangerMaintenance Interval: As necessary How: To measure specificat

59MAINTENANCE GUIDE5. ANNUAL MAINTENANCEMAINTENANCE GUIDE: CLAS HECondensate trapMaintenance Interval: Annually or after cleaning primary heat exchan

6product descriptionControl panelLegend : 1. Display 2. Reset button 3. Red indicator locking light 4. Orange indicator COmfORt fonction 5.

60SHORT LISTInd 02 - 03/04/2007Key NDescriptionManf. Pt.NOtherTypeManf. datefrom toZCLAS HE24 30 380100 BURNER ASSEMBLY0110 IGNITION ELECTRODE 6131743

BENCHMARK No.FOR ALL BOILERS CONFIRM THE FOLLOWINGBOILER SERIAL No. NOTIFICATION No. CONTROLS To comply with the Building Regulation, each section mus

SERVICE INTERVAL RECORDIt is recommended that your heating system is serviced regularlyand that you complete the appropriate Service Interval Record B

420010097004 - 05/2009Ariston Thermo UK LtdHughenden AvenueHigh WycombeBucks HP13 5FTTelephone: (01494) 755600Fax: (01494) 459775Internet: www.ariston

7product description28770200150120 12020018065 6567 6725770Overall viewOverall Dimensions24/30/38A. Central Heating FlowB. Domestic Hot Water OutletC

8product descriptionTechnical DataGENERAL NOTEModel24 kW30 kW38 kWCE Certication (pin)0085BR0347Boiler typeB23-C13-C33-C43-C53-C83POWER SPECIFICATION

9installationReference StandardsIn the United Kingdom, the installation and initial start-up of the boiler must be by a CORGI registered installer in