Ariston CLAS ONE R 24 Installation And Servicing Instruction
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Ariston CLAS ONE R 24 Installation And Servicing Instruction

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G.C.N.: 41-116-52 (24 kW)
CLAS ONE R 24
INSTALLATION AND SERVICING INSTRUCTIONS
CONDENSING WALL-HUNG GAS BOILER
Country of Destination: GB/IE
HOT WATER
I
HEATING
I
RENEWABLE
I
AIR CONDITIONING

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  • Page 1 G.C.N.: 41-116-52 (24 kW) CLAS ONE R 24 INSTALLATION AND SERVICING INSTRUCTIONS CONDENSING WALL-HUNG GAS BOILER Country of Destination: GB/IE HOT WATER HEATING RENEWABLE AIR CONDITIONING...

  • Page 2: Table Of Contents

    INDEX Overview .......................3 Commissioning ..................27 General Information ...................4 Initial Preparation ..................27 Advice for the Installer ................4 Electricity Supply ..................27 CE Labelling ....................4 Filling the Heating System ..............27 Data Plate Symbols ..................4 Gas Supply ....................27 Safety Regulations ..................5 Water Treatment ..................

  • Page 3: Overview

    MTS recommend the use of protective clothing, when installing and working on the appliance i.e. gloves.. CUSTOMER CARE ARISTON, as a leading manufacturer of domestic and commercial water heating appliances is committed to providing high quality products and a high quality after sales service.

  • Page 4: General Information

    OVERVIEW is used in full compliance with current legislation, it will operate in a ATTENTION!! safe, environmentally-friendly and cost-efficient manner. THE INSTALLATION AND FIRST If using kits or optional extras, make sure they are authentic. IGNITION OF THE BOILER MUST BE PERFORMED BY QUALIFIED PERSONNEL CE labelling The CE mark guarantees that the appliance conforms to the...

  • Page 5: Safety Regulations

    OVERVIEW SAFETY REGULATION Use electrical equipment suitable for its intended use (in particular, make sure that the power Key to symbols: supply cable and plug are intact and that the parts Failure to comply with this warning featuring rotary or reciprocating motions are implies the risk of personal injury, in some fastened correctly);...
  • Page 6 OVERVIEW During all work procedures, wear individual protective clothing and equipment. This appliance can be used by children Personal injury caused by electrocution, falling aged from 8 years and above and person splinters or fragments, inhalation of dust, shocks, with reduced physical, sensory or mental cuts, puncture wounds, abrasions, noise and capabilities or lack of experience and knowledge vibration.

  • Page 7: Product Description

    PRODUCT DESCRIPTION CONTROL PANEL Legend: 1. Display (a) Pressing the buttons simultaneously allows 2. Domestic Hot Water adjustment button +/- access to the engineers menu and all NOT ACTIVE (a) parameters and settings 3. MODE button (b) Use these buttons to modify and save the (Operation mode selection summer/winter) parameter settings 4.

  • Page 8: Overall View

    PRODUCT DESCRIPTION Overall view 1. Central heating return 2. Central heating flow 3. C.H. Flow temperature probe 4. Burner 5. Detection electrode 6. Silencer 7. Gas valve 8. Trap 9. Gas tap 10. Display box 11. Electrical box 12. Main P.C.B. 13.

  • Page 9: Installation

    INSTALLATION Reference Standards Flue In the United Kingdom, the installation and initial start-up of the Detailed information on flue assembly can be found in the “Connecting the Flue” section. boiler must be by a Gas Safe registered installer in accordance with the installation standards currently in effect, as well as with any and The boiler must be installed so that the flue terminal is exposed to the all local health and safety standards i.e.
  • Page 10 Automatic by pass supply from the F & E tank to the boiler/heating circuit (via the Ariston recommend that an automatic by pass is installed a minimum cold feed) shall be unrestricted. of 1.5 metres away from the boiler to ensure the minimum required •...
  • Page 11 If anti-freeze substances are to be used in the system, check carefully that they are compatible with the metals used in the circuit. ARISTON suggests the use of suitable anti-freeze products such as Fernox ALPHI 11, which will prevent rust and incrustation taking place.
  • Page 12 INSTALLATION Codensate Discharge 2. External termination of condensate drainage pipe via internal The condensate discharge hose from the boiler must have discharge branch (e.g. sink waste) and condensate siphon. a continuous fall of 2.5 and must be inserted by at least 50mm into a suitable acid resistant pipe - e.g.

  • Page 13: Installing The Boiler

    INSTALLATION Installing the Boiler Gas connection Please check that you are familiar with the installation requirement Make sure, using the labels on the packaging and the data plate on before commencing work. the appliance itself, that the boiler is in the correct country and that The installation accessories described in the following list are the gas category for which the boiler was designed corresponds to included in the boiler packaging:...

  • Page 14: Central Heating Connection

    INSTALLATION Central Heating connection Note: For IE use 3/4"» + 1/2" olives provided A. Central Heating Return (pipes 22mm) B. Central Heating Flow Instructions for opening the casing and performing an internal inspection Before performing any work on the boiler, first disconnect it from the electrical power supply using the external bipolar switch, removing the fuse and shutting off the gas valve.

  • Page 15: Water Circuit Diagram

    INSTALLATION Water circuit diagram BEFORE THE EQUIPMENT IS USED, FOR THE FIRST TIME THE TRAP MUST BE FILLED WITH WATER. TO DO THIS, ADD APPROXIMATELY 1/4 LITRE OF WATER VIA THE FLUE OUTLET BEFORE FITTING THE FLUE SYSTEM, OR UNSCREW THE CAP ON THE TRAP POSITIONED UNDERNEATH THE BOILER, FILL IT WITH WATER AND REFIT IT WARNING!

  • Page 16: Connecting The Flue

    INSTALLATION Connecting the Flue Flue System The provision for satisfactory flue termination must be made as de- scribed in BS 5440-1. The appliance must be installed so that the flue terminal is exposed to outdoor air. The terminal must not discharge into another room or space such as an outhouse or lean-to.

  • Page 17: Fitting The Coaxial Flue (Ø 60/100 Horizontal)

    INSTALLATION Warning The exhaust gas ducts must not be in contact with or close to Important inflammable material and must not pass through building structures Ensure that the flue is not blocked. or walls made of inflammable material. Ensure that the flue is supported and assembled in accordance with When replacing an old appliance, the flue system must be changed.

  • Page 18: Fitting The 5" Flue (Ø 80/125 Horizontal / Vertical)

    INSTALLATION Clamp Screws Seal Fig. 4 Fitting the 5” Flue (Ø 80 / 125 Horizontal/vertical) Once the boiler has been positioned on the wall, it is necessary to insert the Ø80/125 adaptor (Fig. 5) for both horizontal and vertical flue runs into the boiler flue socket (not supplied with flue kit - Part No 3318095).

  • Page 19: Fitting The Coaxial Flue (Ø 60/100 Vertical)

    INSTALLATION Fitting the Coaxial Flue Note: See table for maximum and minimum flue runs. (Ø 60 / 100 Vertical) Contents: 1x Conical Adaptor (60/100mm) 1x Vertical Flue Kit (80/125mm) 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 pitched roof.

  • Page 20: Fitting The Twin Pipe (Ø 80/80)

    Always ensure that the flue is adequately supported, using one flue bracket per extension and avoiding low points. (ARISTON supply suitable clamps as Part No. 705778). To utilise the air intake it is necessary to:...
  • Page 21 INSTALLATION Fig. 9 For coaxial systems, the maximum development value, mentioned in the table below also takes into account an elbow. For twin flue systems the maximum development value, mentioned in the table includes the exhaust gas/air intake terminal. AIR INTAKE MUST NOT BE FITTED ABOVE THE EXHAUST Twin flue systems outlets should respect the following instructions: AIR INTAKE...
  • Page 22 INSTALLATION Table of flue gas exhaust duct lengths Maximum Extension Diameter Exhaust-air (m) FLUE TYPE of pipe CLAS HE R (mm) 24 EU ø 60/100 ø 80/125 S1 = S2 ø 80/80 S1 + S2 ø 80/80 S1 = Air intake S2 = Flue gas exhaust S1 = S2 - Air intake and flue gas exhaust equal lengths S1 + S2 - Air intake and flue gas exhaust unequal lengths TYPE C13...

  • Page 23: Electrical Connections

    INSTALLATION Electrical connection unit To access the electrical connection unit carry out the following steps: WARNING! - Disconnect the boiler from the power supply - Loosen the screws on the cover of the outside connection boxes BEFORE PERFORMING ANY WORK ON below the boiler (see diagram below) THE BOILER, FIRST DISCONNECT IT FROM - Open the cover...

  • Page 24: Electrical Diagram

    INSTALLATION Electrical diagram The manufacturer is not responsible for any damage caused by the For increased safety, ask a qualified technician to perform a thorough lack of a suitable earthing system or by the malfunctioning of the check of the electrical system. electricity mains supply.
  • Page 25 INSTALLATION S Plan system utilizing external 2 channel programmer and Ariston hot water cylinder OUTDOOR...
  • Page 26 INSTALLATION OUTDOOR...

  • Page 27: Commissioning

    COMMISSIONING Initial preparation Ariston Thermo UK Ltd Ltd support the benchmark initiative. Water Treatment: On pages 59 and 60 of this manual the Benchmark Commissioning The boiler is equipped with a stainless steel heat exchanger. Checklist and Service interval Record can be found. It is important...

  • Page 28: First Igniton Operation

    COMMISSIONING FIRST IGNITION OPERATION Date ......Installer ......1.

  • Page 29: Ignition Procedure

    COMMISSIONING Ignition procedure First ignition 1. Make sure that: Press the ON/OFF button on the control panel to switch on the boiler. The display shows: - The gas valve is closed; ● the operating mode: - The electrical connection has been properly carried out. Make sure that, in any case, the green/yellow earthing wire is connected to an efficient earthing system;...

  • Page 30: Combustion Checking Procedure

    COMMISSIONING Combustion checking procedure Operation 3 - Adjusting the CO2 at maximum gas flow rate The order of operations for this procedure must always be (domestic hot water) respected. Select Test function pressing Refer to Technical Bulletin 143 on Gas Safe Register website for RESET button for 10 seconds.
  • Page 31 COMMISSIONING menu 2 - Boiler parameters Operation 4 - Checking the CO2 at minimum gas flow submenu 3 - parameter 1 Maximum Heating Power adjustment submenu 2 - parameter 0 Soft light Ignition With the Test function active, press the 2 button to select the submenu 3 - parameter 5 Heating ignition delay icom...
  • Page 32 COMMISSIONING 5. Disconnect the gas supply from the venturi assembly (fig 4) Gas setting CLAS ONE R 24 lower Wobbe index 45,67 70,69 (15°C, 1013 mbar) (MJ/m3) Inlet Gas pressure (mbar) slow ignition minimum fan speed(%) maximum output fan speed (%) gas valve restrictor(ø)

  • Page 33: Auto Function

    COMMISSIONING AUTO function The AUTO function determines the best power output and flow tem- perature for the heating system by continually monitoring demand. It uses advanced modulating technology to closely track demand and matches output with the highest precision. This ensures that either with or without the addition of further controls the activation of the AUTO function will enhance boiler performance.

  • Page 34: Boiler Protection Devices

    BOILER PROTECTION DEVICES Table summarising error codes Boiler protection devices The boiler is protected from malfunctioning by means of internal Central Heating circuit checks performed by the P.C.B., which stops the boiler from Display Description operating if necessary. 1 01 Overheat In the event of the boiler being shut off in this manner, a code appears on the display which refers to the type of shut-off and the...

  • Page 35: Settings - Adjustment - Problem Identification Menus

    SETTINGS - ADJUSTMENT - PROBLEM IDENTIFICATION MENUS The parameters relating to each individual menu are listed in the Accessing the settings - adjustment - problem identification menus following pages. The boiler can be used to manage the heating and domestic hot The various parameters can be accessed and modified using the water production system in its entirety.
  • Page 36 SETTINGS - ADJUSTMENT - PROBLEM IDENTIFICATION MENUS Description value SERVICE CODE Press the button “+” to select code 234 and press o . Turn the encoder to select MENU and press OK button NETWORK DISPLAY SETTING Zone to be set by display 1 = 1 Zone 2 = 2 Zone 3 = 3 Zone...
  • Page 37 SETTINGS - ADJUSTMENT - PROBLEM IDENTIFICATION MENUS Description value BOILER PARAMETER - PART 2 Post-ventilation after heating request 0 = OFF 1 = ON Time delay after heating temperature from 0 to 60 Activated only with thermostat increase (minutes) On/Off and heating control activated This parameter allows the time delay to be set before automatic increase of the flow (parameter 421 - 521 - 621 = 01)
  • Page 38 SETTINGS - ADJUSTMENT - PROBLEM IDENTIFICATION MENUS Description value ZONE 1 PARAMETER ZONE 1 TEMPERATURE SETTING Heating fixed temperature setting from 35 to 82 °C Activated only with temperature “Heating fixed temp” (high temperature - para. 420 control and fixed temperature (see 421) from 20 to 45 °C (high temperature - para.
  • Page 39 SETTINGS - ADJUSTMENT - PROBLEM IDENTIFICATION MENUS Description value Zone 1 heating MINIMUM temperature from 35 to 85 °C if parameter 420 = 1 setting from 20 to 45 °C if parameter 420 = 0 DIAGNOSTICS Zone 1 heat request 0 = OFF 1 = ON ZONE 2 PARAMETER...

  • Page 40: Maintenance

    MAINTENANCE Description value ZONE 3 PARAMETER ZONE 3 TEMPERATURE SETTING Heating fixed temperature setting from 35 to 82 °C Activated only with temperature “Heating fixed temp” (high temperature - para. 420 control and fixed temperature (see 621) from 20 to 45 °C (high temperature - para.
  • Page 41 MAINTENANCE Description value SERVICE PARAMETERS BOILER STATISTICS-1 Number of diverter valve cycles (n x10) NOT ACTIVE Time of circulator on (h x 10) Number of boiler circulator cycles (n x10) Boiler Life Time (h x 10) Time of fan ON (h x 10) Number of fan cycles (n x10) Number of flame detection in CH (n x10) Number of flame detection in DHW (n x10)

  • Page 42: General Comments

    MAINTENANCE Important We recommend the use of anti-freeze products which contain Maintenance is an essential part of the safe and efficient operation PROPYLENE GLYCOLS as these inhibit corrosion and that they of the boiler and ensures its durability. It should be performed are used in conjunction with the anti-scaling and anti-corrosion according to the instructions given in current legislation.

  • Page 43: Maintenance Guide

    MAINTENANCE GUIDE 1. GENERAL ACCESS Remove the front panel 1.0 Disconnect the boiler Before beginning maintenance work: a. Disconnect the appliance from the electricity supply. Press the ON/OFF button and wait 1 minute Turn the external bipolar switch to the “OFF” position. b.

  • Page 44: Electrical Unit

    MAINTENANCE GUIDE 2. ELECTRICAL UNIT Remove the combustion chamber front panel by releasing the clips 2.1 Control box access Tools TIME 4 min Pull and Lower the electrical box Remove the electrical box cover...
  • Page 45 MAINTENANCE GUIDE 2.4 Display P.C.B. 2.2 Fuse Tools Tools TIME 5 min TIME 5 min Unscrews the two screws and pull the assembly towards you Open the control box as above Remove the fuse Disconnect the elctrical plug connections and unhook and remove the P.C.B.

  • Page 46: Hydraulic Unit

    MAINTENANCE GUIDE 3. HYDRAULIC UNIT 3.2 Temperature sensors Tools 3.1 Display P.C.B. TIME 5 min Tools Unplug the electrical connectors NTC1 : Black NTC2: Red Remove the clip and the temperature sensor TIME 3 min Unscrew the condense trap from the condense body NTC1 NTC2 Remove the clip and the temperature sensor...
  • Page 47 MAINTENANCE GUIDE 3.3 Main heat exchanger Rotate the gas pipe Tools TIME 20 min Drain boiler Remove the silencer Disconnect the cable of the electrode and fan. Remove the four nuts . Remove the the clip on the gas pipe and disconnect the gas pipe from the gas valve Remove the burner unit...
  • Page 48 MAINTENANCE GUIDE Remove the gas pipe Remove the clip on th return pipe Remove the screws on the side panel and open it. Bring down the return pipe and Rotate forward. Remove the return pipe. Disconnect the condensate pipe from the exchanger, and turn it to the left Remove the nuts on the return and flow pipe on the top of the boiler...
  • Page 49 MAINTENANCE GUIDE Unscrew the four screws to remove the heat exchanger. Remove the clip and remove the flow pipe Lower and remove the main exchanger...

  • Page 50: Burner Unit

    MAINTENANCE GUIDE 4. BURNER UNIT Legend: 1 - Ceramic fibre 2 - Burner 3 - Silencer 4 - Mixing tube 5 - Fan 6 - Detection/Ignition electrode...
  • Page 51 MAINTENANCE GUIDE 4.1 Electrode (detection and ignition) 4.2 Burner Tools Tools TIME 5 min TIME 15 min Unplug the electrode on the control box Drain boiler Remove the screws and pull the electrodes towards you. Remove the silencer Remove the the clip on the gas pipe and disconnect the gas pipe from the gas valve...
  • Page 52 MAINTENANCE GUIDE Rotate the gas pipe Remove the two screws and remove the electrode Disconnect the cable of the electrode and fan. Remove the four nuts . Remove the ceramic fibre. Remove the four screws and pull the burner toward you. Always replace the burner gasket (*).
  • Page 53 MAINTENANCE GUIDE Fan & mixer venturi according to the model 4.3 Fan Power Venturi diameter 24 kW EBM 118 85W Ø 16,1 Tools TIME 15 min 4.4 Gas Valve Remove the silencer (see 3.3 - 1) Isolate the gas supply. Tools Disconnect the gas pipe TIME...

  • Page 54: Annual Maintenance

    MAINTENANCE GUIDE 5. ANNUAL MAINTENANCE Ignition & detection electrode Maintenance Interval: Annually How: Visual inspection / Clean as necessary / Distance from the burner / Ionisation current more than 1 μA Burner Maintenance Interval: Annually How: Visual inspection / Clean as necessary Maintenance Interval: Annually How : Visual inspection / Clean as necessary Primary Heat exchanger...

  • Page 55: Technical Data

    TECHNICAL DATA Model CLAS ONE R 24 CE Certification (pin) 0085CR0393 B23-B23p-B33 Boiler type C13-C33-C43-C53-C83 Max/min nominal calorific flow rate (Pci) 22,0 / 3,7 Max/min nominal calorific flow rate (Pcs) 24,4 / 4,1 Max/min power output (80°C-60°C) 21,4 / 3,4 Max/min power output (50°C-30°C)

  • Page 56: Erp Data

    TECHNICAL DATA ErP Data - EU 813/2013 CLAS ONE R 24 Model: Condensing boiler yes/no Low-temperature boiler: yes/no B1 boiler yes/no Cogeneration space heater yes/no Combination heater yes/no ARISTON THERMO S.p.A. Viale A. Merloni 45 Contact details ( Name and address of the manufacturer or its authorised representative)

  • Page 57: Package Label - Instuctions To Filling

    TECHNICAL DATA Package fiche Instructions for filling the label for packages of space heater (or combination heater), temperature control and solar device. 1. supplier’s name or trademark; 2. supplier’s model identifier; 3. the seasonal space heating energy efficiency class of the space heater, already filled;...
  • Page 58 TECHNICAL DATA PACKAGES OF COMBINATION HEATER, TEMPERATURE CONTROL AND SOLAR DEVICE The fiche for packages of combination heater, temperature control and solar device shall contain the elements set out in points (a) and (b): a) the elements set out in Figure 1, respectively, for evaluating the seasonal space heating energy efficiency of a package of combination heater, temperature control and solar device, including the following information:...
  • Page 59 TECHNICAL DATA Figure 1 Seasonal space heating energy e ciency of boiler ‘I’ Temperature control Class From che of temperature control I = 1%, II = 2%, III = 1,5%, IV = 2%, V = 3%, VI = 4 %, VII = 3,5%, VIII = 5% Supplementary boiler Seasonal space heating energy e ciency (in %) From che of boiler...
  • Page 60 TECHNICAL DATA Figure 5 Water heating energy e ciency of combination heater ‘I’ Declared load pro le: Solar contribution - From che of solar device Auxiliary electricity (1,1 x ‘I’ - 10%) x ‘II’ - ‘III’ - ‘I’ = Water heating energy e ciency of package under average climate Water heating energy e ciency class of package under average climate <...

  • Page 61: Benchmark Commissioning Checklist

    GAS BOILER SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failuretoinstallandcommissionaccordingtothemanufacturer’sinstructionsandcompletethisBenchmarkCommissioningChecklistwillinvalidatethe warranty.Thisdoesnotaffectthecustomer’sstatutoryrights.

  • Page 62: Benchmark Service Interval Record

    SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider BeforecompletingtheappropriateServiceRecordbelow,pleaseensureyouhavecarriedouttheserviceasdescribedinthemanufacturer’sinstructions. Alwaysusethemanufacturer’sspecifiedsparepartwhenreplacingcontrols. SERVICE 01 SERVICE 02 Date: Date: Engineername: Engineername: Companyname: Companyname: TelephoneNo: TelephoneNo: GassaferegisterNo: GassaferegisterNo: Atmax.rate: COppm AND CO ²...
  • Page 64 ITALIAN DESIGN Ariston Thermo UK Ltd Artisan Building Hillbottom Road High Wycombe Bucks HP124HJ Telephone: 01494 418500 ariston.co.uk Customer Service: 0333 240 8777...

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