Ariston G.C.N: 47-116-51(24kW) Installation And Servicing Instructions
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Ariston G.C.N: 47-116-51(24kW) Installation And Servicing Instructions

Gas red condensing wall hung combination boilers
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Installation and Servicing Instructions
CLAS
Country of destination GB, IE
HE
Gas fired condensing wall hung
combination boilers
G.C.N : 47-116-51 (24 kW)
G.C.N : 47-116-52 (30 kW)
G.C.N : 47-116-53 (38 kW)
CLAS HE 24
CLAS HE 30
CLAS HE 38
The code of practice for the installation,
commissioning & servicing of central heating systems

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Summary of Contents for Ariston G.C.N: 47-116-51(24kW)

  • Page 1 Installation and Servicing Instructions CLAS Gas fired condensing wall hung combination boilers G.C.N : 47-116-51 (24 kW) G.C.N : 47-116-52 (30 kW) G.C.N : 47-116-53 (38 kW) CLAS HE 24 CLAS HE 30 CLAS HE 38 Country of destination GB, IE The code of practice for the installation, commissioning &...

  • Page 2: Table Of Contents

    overview INDEX Overview General Information ....................3 Advice for the Installer .....................4 CE Labelling .........................4 Data Plate Symbols ....................4 Safety Regulations ....................5 Product description Control Panel.......................6 Display ...........................6 Overall View .........................7 Overall Dimension ....................7 Minimum Clearances ....................7 Technical Information ....................8 Installation Reference Standards ....................9 Installing the Boiler ....................

  • Page 3: Overview

    overview These instructions are suitable for CLAS HE boilers : Do not forget the Log Book! 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 you have a completed Log Book for your boiler. This provides a record of the commissioning of your boiler. It contains important information about your particular installation that may be required by service engineers.

  • Page 4: Advice For The Installer

    overview Advice for the installer CE labelling The installation and first ignition of the boiler must be The CE mark guarantees that the appliance conforms to the fol- performed by qualified personnel in compliance with lowing directives: current national regulations regarding installation, and - 90/396/CEE in conformity with any requirements established by relating to gas appliances...

  • Page 5: Safety Regulations

    overview Safety regulations and not slippery and that the ladders are fitted with handrails on either side of the ladder and parapets on the landing. Key to symbols: Personal injury caused by falling from a height. During all work carried out at a certain height (generally Failure to comply with this warning implies the risk of with a difference in height of more than two metres), personal injury, in some circumstances even fatal...

  • Page 6: Product Description

    product description Control panel � Legend : 1. Display 11. Domestic Hot Water adjustment knob . R button eset 1. Time clock 3. Red indicator locking light 13. ON/OFF button 4. Orange indicator C fonction OmfORt 14. Blue indicator burner ON 5.

  • Page 7: Overall View

    product description Overall view 1. flue connector . air pressure switch 3. burner 4. detection Electrode 5. overheat thermostat 6. C.H. Return temperature probe 7. C.H. Flow temperature probe 8. gas valve 9. secondary heat exchanger 10. D.H.W. temperature probe 11.

  • Page 8: Technical Information

    product description Technical Data Model 24 kW 30 kW 38 kW CE Certification (pin) 0085BR0347 Boiler type B3-C13-C33-C43-C53-C83 Max/min nominal calorific flow rate (Pci) ,0/5,5 8,0/6,5 31,0/7,5 Max/min nominal calorific flow rate (Pcs) 4,4/6,1 31,1/7, 34,4/8,3 Domestic hot water max/min nominal calorific flow rate (Pci) 5,0/5,5 30,0/6,5 38,0/7,5...

  • Page 9: Installation

    installation Reference Standards building within the vicinity and consideration must also be given In the United Kingdom, the installation and initial start-up of the to adjacent boundaries, openable windows should also be taken boiler must be by a CORGI registered installer in accordance with into consideration when siting the flue.
  • Page 10 installation Water Supply Preiodically check the pH balance of the water/anti-freeze mixture of the boiler circuit and replace it when the amount The boiler is suitable for sealed systems only. The maximum working pressure for the appliance is 6 bar. All fittings and measured is out of the range stipulated by the manufacturer (7 pipework for the appliance should be of the same standard.
  • Page 11 installation ii) Connecting into the waste system of the building such as a 3. External termination of condensate drainage pipe via internal washing maching or sink trap. The connection must be discharge branch (e.g. sink waste - proprietary fitting). upstream of the washing machine/sink. If the connection is down stream of if the waste trap then an additional trap giving a minimum water seal of 75mm and an air break must be incorporated in the pipe run, as above.

  • Page 12: Installing The Boiler

    installation Installing the Boiler Please check that you are familiar with the installation requirement before commencing work (pages 7 - 11). 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 valves (Compression) - Screws and washers...

  • Page 13: Gas Connection

    installation Gas connection Instructions for opening the casing and performing an internal inspection Make sure, using the labels on the packaging and the data plate Before performing any work on the boiler, first disconnect it from on the appliance itself, that the boiler is in the correct country the electrical power supply using the external bipolar switch and that the gas category for which the boiler was designed removing the fuse and shutting off the gas valve.
  • Page 14 installation Water circuit diagram To calculate the size of the heating installation, refer to the "Available pressure" graph below. Graph representing the available circulation pump pressure ΔT20 mbar 30-38 kW 30-35 kW 24 kW 1000 1100 1200 Before the first time the equipment is used, the trap must be filled with water.

  • Page 15: Connecting The Flue

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

  • Page 16: 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 struc- Ensure that the flue is not blocked. tures or walls made of inflammable material. Ensure that the flue is supported and assembled in accordance When replacing an old appliance, the flue system must be chan- with these instructions.

  • Page 17: Fitting The 5" Flue (Ø 80/15 Horizontal / Vertical)

    installation Clamp Screws Seal Fig. 4 Fitting the 5” Flue Once the boiler has been positioned on the wall, it is necessary (Ø 80 / 15 Horizontal/vertical) to insert the Ø80/15 adaptor (Fig. 5) for both horizontal and vertical flue runs into the boiler flue socket (not supplied with flue kit - Part No 3318095).

  • Page 18: 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 Silicone O-Ring (60mm) 1x Conical Adaptor (60/100mm) 1x Vertical Flue Kit (80/15mm) 3x Screws 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 19: Fitting The Twin Pipe (Ø 80/80)

    installation Fitting the Twin Pipe (Ø80 / 80) When siting the twin flue pipe, the air intake and exhaust terminals must terminate on the same wall, the centres of the terminals must be a minimum of 80 mm apart and the air intake must not be sited above the exhaust terminal (refer to Fig.
  • Page 20 installation Fig. 9 AIR INTAKE MUST NOT BE FITTED ABOVE THE EXHAUST AIR INTAKE EXHAUST AIR INTAKE Fig. 10 For coaxial systems, the maximum development value, mentio- ned in the table below also takes into account an elbow. For twin flue systems the maximum development value, mentio- ned in the table includes the exhaust gas/air intake terminal.
  • Page 21 installation Table of flue gas exhaust duct lengths DIAMETER of COAXIAL SYSTEM FLUE TYPE LENGTH PIPE 1 m 60/100 36 m 80/15 10 m 60/100 Flue gas exhaust and air suction duct 30 m 80/15 through external wall in the same range of pressure 60/100 18 m...
  • Page 22 installation DIAMETER of TWIN-PIPE SYSTEM FLUE TYPE LENGTH PIPE 36 m (S1=S) 30 m Flue gas exhaust and air suction duct 80/80 (S1=S) through external wall in the same range of pressure 18 m (S1=S) 60 m (S1=S) C 33 50 m Flue gas exhaust andair suction duct from 80/80...

  • Page 23: Electrical Connections

    installation Peripheral unit connection WARNING Before performing any work on the boiler, first To access peripheral unit connections carry out the following disconnect it from the electrical power supply using steps: the external bipolar switch and remove the fuse. - Disconnect the boiler from the power supply - Remove the casing by unhooking it from the instrument Electrical connections panel...

  • Page 24: Outdoor Sensor Connection

    installation Room Thermostat / Remote Clock Connection To connect a room thermostat, it is necessary to: 1. Open the control panel . Loosen the cable clamp using a screwdriver and insert the wires leading from the room thermostat 3. Connect the wires to the terminals as indicated in the figure below, removing the link CARTE CHAUDIERE 4.

  • Page 25: Electrical Diagram

    installation Electrical diagram For increased safety, ask a qualified technician to perform a thorough check of the electrical system. The manufacturer is not responsible for any damage caused by the lack of a suitable earthing system or by the malfunctioning of the electricity mains supply.

  • Page 26: Commissioning

    commissioning Initial preparation Open the gas cock (supplied with the connection kit) to the MTS (GB) Limited support the benchmark initiative. On pages appliance and check the gas connection on the appliance for pages 65 and 66 of this manual the Benchmark Commissioning leaks.

  • Page 27: First Igniton Operation

    commissioning FIRST IGNITION OPERATION Date ......Installer ......1.

  • Page 28: Ignition Procedure

    commissioning Ignition procedure (See below). If you need to stop it press e , alternatively it is Press the ON/OFF button on the control panel to switch on the possible to manually vent the heat exchanger. boiler. The display shows: At the end, check that the system is completely deaerated and, if not, repeat the procedure.
  • Page 29 commissioning Heating ignition delay adjustment This parameter – menu /sub menu 3/parameter 5 - can be used to manually (0) or automatically (1) set the delay time before the subsequent reignition of the burner after it has switched off on reaching the desired temperature in central heating mode.

  • Page 30: Test Function And Combustion Analysis

    commissioning Test function and combustion analysis Wait for the boiler to stabilise before carrying out the combustion The boiler has two pressure taps to measure the combustion gas analyses. Check the CO value according to the table below. Important: do not remove silencer 22 temperature, the combustive air and the concentrations of O and CO on the outside of the flue gas header.

  • Page 31: Auto Function

    commissioning AUTO function Example 1: This is a function which enables the boiler to automatically adapt ingle zOne sYstem high tempeRAtuRe with On Off ROOm heRmOstAt its operation routine (the temperature of the heating elements) in In this case the following parameters must be set: line with the outdoor conditions, in order to achieve and maintain 4 1 - Activation of temperature adjustment using sensors the requested room temperature conditions.

  • Page 32: Boiler Protection Devices

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

  • Page 33: Settings - Adjustment - Problem Identification Menus

    settings - adjustment - problem identification menus Accessing the settings - adjustment - problem identification The parameters relating to each individual menu are listed in the following pages. menus The various parameters can be accessed and modified using th The boiler can be used to manage the heating and domestic hot programmation buttons button and (see fig.
  • Page 34 settings - adjustment - problem identification menus description value 2 BOILER PARAMETER SETTING 2 1 Entering access code  press the programming "+" button to select 34 and press the m button 2 2 BOILER GENERAL SETTING 2 2 0 Slow ignition 0 to 99 RESERVED FOR SAT 2 2 1 Minimum ambient temperature for...
  • Page 35 settings - adjustment - problem identification menus description value 2 4 BOILER PARAMETER - PART 2 2 4 0 NOT PRESENT 2 4 1 NOT PRESENT 2 4 2 NOT PRESENT 2 4 3 Post-ventilation after heating request 0 = OFF 1 = ON 2 4 4 Time delay after heating temperature increase from 0 to 60 minutes...
  • Page 36 settings - adjustment - problem identification menus Description value 3 BOILER WITH TANK (INTERNAL OR EXTERNAL) AND SOLAR APPLIANCE CONNECTION 3 0 GENERAL SETTING 3 0 0 NOT ACTIVATED 3 0 1 NOT ACTIVATED 3 0 2 NOT ACTIVATED 3 1 Entering access code  Turn the encoder clockwise to select 34 and press the m button...
  • Page 37 settings - adjustment - problem identification menus description value 4 ZONE 1 PARAMETER 4 0 ZONE 1 TEMPERATURE SETTING 4 0 0 Zone 1 comfort temperature setting from 10 to 30 °C Activated only with the modulating device con- "Comfort ambience T" nected (option) 4 0 1 Zone 1 reduced temperature setting from 10 to 30 °C...
  • Page 38 settings - adjustment - problem identification menus description value 5 ZONE 2 PARAMETER ZONE 2 TEMPERATURE SETTING 5 0 0 Zone  comfort temperature setting from 10 to 30 °C 19 Activated only with the modulating device connected "Comfort ambience T" (option) 5 0 1 Zone  reduced temperature setting from 10 to 30 °C...
  • Page 39 settings - adjustment - problem identification menus description value 7 TEST & UTILITIES 7 0 0 Function test - Cleaning activation can also be obtained by pressing the Reset t-- = funct. at Max heating turn the encoder to select the operating power button for 10 seconds.
  • Page 40 settings - adjustment - problem identification menus Description value 8 6 STATISTICS 8 6 0 Number of hours burner operating in heater mode (xxh/10) 8 6 1 Number of hours burner operating in hot water mode (xxh/10) 8 6 2 Number of flame separations (nr/10) 8 6 3 Number of ignition cycles (nr/10) 8 6 4 Number of filling cycles performed 8 6 5 Average length of heating request (minutes)

  • Page 41: Maintenance

    maintenance Important Draining procedures Maintenance is an essential part of the safe and efficient operation The heating system must be drained using the following of the boiler and ensures its durability. It should be performed procedure: according to the instructions given in current legislation. Perform - Switch off the boiler, make sure the external bipolar switch is in combustion analysis regularly in order to check the operating the OFF position and shut off the gas valve;...

  • Page 42: General Access

    MAINTENANCE GUIDE 1. GENERAL ACCESS MAINTENANCE GUIDE: CLAS HE GENERAL ACCESS GENERAL ACCESS Tools Time 3 min Unclip the cover to remove Remove the two screws Remove the front panel Remove the combustion Lower the electrical box chamber front panel by releasing the clips Page.

  • Page 43: Electrical Unit

    MAINTENANCE GUIDE 2. ELECTRICAL UNIT MAINTENANCE GUIDE: CLAS HE 2 ELECTRICAL UNIT CONTROL BOX ACCESS CONTROL BOX ACCESS Tools Time 4 min Remove the two screws and Remove the front panel as above unlock the four clamps to gain and pivot the electrical box access to the control box FUSE FUSE...
  • Page 44 MAINTENANCE GUIDE MAINTENANCE GUIDE: CLAS HE MAIN PCB MAIN PCB Tools Time 7 min After opening the control box, Unscrew the two screws and disconnect the electrical plug remove the PCB connectors DISPLAY PCB DISPLAY PCB Tools Time 7 min Lower the door and remove the Unscrew the four screws and Unclip the cover to remove...

  • Page 45: Hydraulic Unit

    MAINTENANCE GUIDE: CLAS HE MAINTENANCE GUIDE 3 HYDRAULIC UNIT 3. HYDRAULIC UNIT RIGHT HAND HYDRAULIC BLOCK ASSEMBLY LEGEND Diverter valve motor Diverter valve Auto air vent Primary water pressure switch Pump Central heating filter Not applicable in UK Non-return valve Non-return valve assembly 10.
  • Page 46 MAINTENANCE GUIDE MAINTENANCE GUIDE: CLAS HE DRAINING DRAINING Tools Time 5 min Turn the drain valve anti-clockwise to open and drain the water from the boiler. AUTOMATIC AIR VENT AUTOMATIC AIR VENT Tools Time 5 min Drain boiler (see 3.3). Remove the clip and lift the AAV from the assembly PRIMARY WATER PRESSURE SENSOR PRIMARY WATER PRESSURE SENSOR...
  • Page 47 MAINTENANCE GUIDE MAINTENANCE GUIDE: CLAS HE PUMP PUMP Tools Time 10 min Disconnect the pipe and then Drain boiler (see 3.3). Remove move the pump to the right Remove the pump the clip and the two screws disengage Remove the sensor (see 3.5) Remove the AAV (see 3.4) MAINTENANCE GUIDE: CLAS HE CH FILTER...
  • Page 48 Drain boiler (see 3.3) Remove the filter Remove the clip MAINTENANCE GUIDE DHW FLOW SWITCH ASSEMBLY DHW FLOW SWITCH ASSEMBLY Tools Time 5 min Drain boiler (see 3.3). Remove the clip and pull the Twist the flow switch assembly to disengage flow switch assembly towards you MAINTENANCE GUIDE: CLAS HE LEFT HAND HYDRAULIC BLOCK ASSEMBLY...
  • Page 49 1. DHW temperature sensor 4. Safety valve 2. Left hand hydraulic block 5. Central heating flow 3. By-pass assembly 6. Domestic hot water outlet MAINTENANCE GUIDE 3.10 DHW TEMPERATURE SENSOR DHW TEMPERATURE SENSOR Tools Time 5 min Isolate the cold water supply and drain the DHW circuit.
  • Page 50 MAINTENANCE GUIDE Drain primary and domestic hot water circuits. Remove the two screws and remove the heat exchanger 3.12 CONDENSE TRAP CONDENSE TRAP Tools Time 5 min Unscrew the condense trap from the condense body MAINTENANCE GUIDE: CLAS HE 3.13 SAFETY VALVE Page.
  • Page 51 Drain boiler (see 3.3). Disconnect the Remove the first clip on the left and discharge pipe pull the safety valve towards you MAINTENANCE GUIDE 3.14 BY-PASS ASSEMBLY BY-PASS ASSEMBLY Tools Time 5 min Drain boiler (see 3.3). Remove the MAINTENANCE GUIDE: CLAS HE Push on the by-pass to disengage it second clip and pull the assembly toward you...

  • Page 52: Main Heat Exchanger

    MAINTENANCE GUIDE 3.16 MANUAL AIR VENT MANUAL AIR VENT Tools Time 5 min Drain boiler (see 3.3) Remove the clip and lift the manual air vent from the exchanger MAINTENANCE GUIDE: CLAS HE Page. 16 of 24 3.17 MAIN HEAT EXCHANGER MAIN HEAT EXCHANGER Tools Time...
  • Page 53 MAINTENANCE GUIDE MAINTENANCE GUIDE: CLAS HE 4 BURNER UNIT LEGEND 1. Burner 6. Gas valve 2. Fan 7. Mixing tube 3. Silencer 8. Detection electrode 4. Gas inlet 9. Ignition electrode 5. Air inlet 10. Spark generator Page. 18 of 24...

  • Page 54: Burner Unit

    MAINTENANCE GUIDE MAINTENANCE GUIDE: CLAS HE 4. BURNER UNIT SPARK GENERATOR SPARK GENERATOR Tools Time 5 min Unplug the ignition electrode from Remove the screw and the the spark generator spark generator ELECTRODES ELECTRODES Tools Time 5 min Remove the screws and pull the Unplug the electrodes electrodes towards you.
  • Page 55 MAINTENANCE GUIDE MAINTENANCE GUIDE: CLAS HE BURNER BURNER Tools Time 15 min Isolate the gas supply. Remove the Pull the assembly towards Remove the silencer four screws and disconnect the gas pipe from the gas valve Pull the burner toward you Remove the three screws to free Replace any gaskets that are damaged or showing signs of the burner door...
  • Page 56 MAINTENANCE GUIDE MAINTENANCE GUIDE: CLAS HE Tools Time 15 min Remove the three screws to free the Remove the combustion fan. assembly (see 4.3) Twist the gas valve anti-clockwise to disengage it from the fan 1. Venturi Fan & mixer venturi according to the model Power Venturi diameter 24 KW...

  • Page 57: Fan Unit

    MAINTENANCE GUIDE MAINTENANCE GUIDE: CLAS HE GAS VALVE GAS VALVE Tools Time 15 min Replacement Gas Valves are Remove the combustion Twist the gas valve anti-clockwise to not factory set and will need to assembly (see 4.3) disconnect it from the fan be set up (see page 34) Bayonet connection...
  • Page 58 MAINTENANCE GUIDE MAINTENANCE GUIDE: CLAS HE 5 ANNUAL MAINTENANCE Plate heat exchanger Maintenance Interval: As necessary How: To measure specification of DHW performance. By-pass & Safety valve Maintenance Interval: Annually How: Visual inspection / Clean as necessary Central heating filter Maintenance Interval: Annually How: Visual inspection / Clean as necessary Flow switch operation...

  • Page 59: Annual Maintenance

    MAINTENANCE GUIDE 5. ANNUAL MAINTENANCE MAINTENANCE GUIDE: CLAS HE Condensate trap Maintenance Interval: Annually or after cleaning primary heat exchanger How : Visual inspection / Clean as necessary / Add water before replacing Pump Maintenance Interval: At the first ignition and annually How: Check that the AAV is open / Visual inspection / Clean as necessary Page.

  • Page 60: Spare Parts Short List

    SHORT LIST SHORT LIST CLAS Manf. date Key N Description Other Type Manf. Pt.N from 24 30 0100 BURNER ASSEMBLY 0110 61317432 IGNITION ELECTRODE 0111 61317433 IONIZATION ELECTRODE 0112 61314753 GASKET D:85-66.5-2.5 0134 60000286 ELECTRODE GASKET 0135 60000297 COMBUSTION CHAMBER LINING KIT 0136 60000623 DOOR GASKET...

  • Page 61: Benchmark Commissioning Checklist

    BENCHMARK No. G A S B O I L E R C O M M I S S I O N I N G C H E C K L I S T BOILER SERIAL No. NOTIFICATION No. CONTROLS To comply with the Building Regulation, each section must have a tick in one or other of the boxes TIME &...
  • Page 62 S E R V I C E I N T E R VA L R E C O R D It is recommended that your heating system is serviced regularly and that you complete the appropriate Service Interval Record Below. Service Provider.
  • Page 64 Professional Team Limited Ariston Thermo UK Ltd Suites 9 & 10, Plaza 56 Hughenden Avenue Blanchardstown Corporate Park  High Wycombe Ballycoolin Bucks HP13 5FT Dublin 15 Telephone: (01494) 755600 Telephone: (01) 810 373 Fax: (01494) 459775 Fax: (01) 810 377 Internet: www.aristonthermo.co.uk...

This manual is also suitable for:

G.c.n: 47-116-53(38kw)G.c.n: 47-116-52(30kw)47-116-5147-116-5347-116-52)Clas he 24 ... Show all

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