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Ariston EGIS HE 24 Installation And Servicing Instructions

Condensing wall-hung gas boiler
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EGIS HE
CONDENSING WALL-HUNG
GAS BOILER
EGIS HE 24
EGIS HE 30
Country of destination GB, IE
GC Numbers:
EGIS HE 24 47-116-71
EGIS HE 30 47-116-72

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Summary of Contents for Ariston EGIS HE 24

  • Page 1 EGIS HE CONDENSING WALL-HUNG GAS BOILER EGIS HE 24 EGIS HE 30 Country of destination GB, IE GC Numbers: EGIS HE 24 47-116-71 EGIS HE 30 47-116-72...

  • Page 2: Table Of Contents

    8.4.3 Fan ................57 3.5.3 Outdoor Sensor Connection ........25 8.4.4 Gas valve ..............58 3.5.4 Internal mechanical time clock 8.5 Annual Maintenance ............69 Internal RF receiver for Ariston programmable room thermostat ............26 Benchmark Commissioning Checklist ........61 3.5.5 Electrical Diagram ............27 Benchmark Service Interval Record........62 4.

  • Page 3: Overview

    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. Advice on installation or servicing can also be obtained by contacting the ARISTON Technical and Customer Service Departments at High Wycombe.

  • Page 4: Advice For The Installer

    1. overview 1.2 Advice for the installer 1.3 CE labelling The CE mark guarantees that the appliance conforms to the following directives: The installation and fi rst ignition of the boiler must be - 2009/142/CEE performed by qualifi ed personnel in compliance with relating to gas appliances current national regulations regarding installation, - 2004/108/CEE...

  • Page 5: Safety Regulations

    1. overview 1.5 Safety regulations Make sure any rolling ladders are positioned securely, that they are suitably strong, that the steps are intact and not slippery and that the ladders are Key to symbols: fi tted with handrails on either side of the ladder and parapets on the landing.

  • Page 6: Product Description

    2. product description 2.1 Control panel Fig. 2.1 Legend : 1. Domestic Hot Water adjustment button +/- (a) 2. Pressure gauge 3. ON/OFF button 4. Operating MODE button (summer/winter) 5. RESET button 6. Heating temperature regulation button +/- (b) 7. Optional clock/RF Receiver 8.

  • Page 7: Overall View

    2. product description 2.3 Overall view Fig. 2.3 Legend Flue connector Modulating Fan Flue collector Air relief valve Overheat thermostat (Main Heat exchanger) C.H. Flow temperature probe Inspection door Gas valve Condensate trap 10. Secondary heat exchanger 11. Safety valve 13.

  • Page 8: Overall Dimension

    2. product description 2.4 Overall Dimensions 67 67 Fig. 2.4 A. Central Heating Flow B. Domestic Hot Water Outlet C. Gas Inlet D. Domestic Cold Water Inlet E. Central Heating Return 2.5 Minimum clearances In order to allow easy access to the boiler for maintenance operations, The boiler must be installed in accordance with the clearances stated below.
  • Page 9 2. product description 2.6 Technical Data Model: EGIS HE CE Certifi cation (pin) 0085CL0380 B23, B23p, B33 Boiler type C13(x),C23, C33(x), C43(x), C53(x), C63(x),C83(x), C93(x) Max/min nominal calorifi c fl ow rate (Pci) 23.5 / 4.5 29.0 / 6.0 Max/min nominal calorifi c fl ow rate (Pcs) 26.1 / 5.0 32.2 / 6.7 Domestic hot water max/min nominal calorifi...

  • Page 10: Installation

    3. installation 3.1 Reference Standards 3.1.1 Flue In the United Kingdom, the installation and initial start-up Detailed information on fl ue assembly can be found in the of the boiler must be by a GAS SAFE registered installer in “Connecting the Flue” section. accordance with the installation standards currently in effect, The boiler must be installed so that the fl...

  • Page 11: Gas Supply

    (page 26). thermostatic or pressure balanced type. Refer to the shower ARISTON supply a range of wired and wireless system manufacturer for performance guidance and suitability. controls. Contact your supplier for more details.

  • Page 12: Condensate Discharge

    3. installation 3.1.10 Codensate Discharge 2. External termination of condensate drainage pipe via To install the condensate pipe, push fi t the fl exible pipe into internal discharge branch (e.g. sink waste) and condensate the outlet spigot on the appliance, cut to length and locate the siphon.

  • Page 13: Installing The Boiler

    3. installation 3.2 Installing the Boiler Please check that you are familiar with the installation requirement before commencing work. 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 14: Gas Connection

    EGIS HE 30 it is connected correctly. EGIS HE 24 Check that the supplied gas corresponds to the type of gas for which the boiler was designed (see the data plate located on the appliance itself).

  • Page 15: Underfl Oor Heating

    3. installation 3.2.7 Underfl oor heating 3.2.8 Water circuit diagram For appliances with underfl oor heating, fi t a safety thermostat onto the underfl oor heating outlet. For the electrical connection of the thermostat see the section on “Electrical connections - page 25”. If the outlet temperature is too high, the boiler will stop both domestic hot water and the heating production and the error code 1 16 “fl...

  • Page 16: Instructions For Opening The Casing And Performing An Internal Inspection

    3. installation 3.3 Instructions for opening the casing and performing an internal inspection Before performing any work on the boiler, fi rst disconnect it from the electrical power supply using the external bipolar switch and shut off the gas valve. To access the inside of the boiler, the following is necessary: 1.

  • Page 17: Connecting The Flue

    3. installation 3.4 Connecting the Flue Flue System The provision for satisfactory fl ue termination must be made as described in BS 5440-1. The appliance must be installed so that the fl ue terminal is exposed to outdoor air. The terminal must not discharge into another room or space such as an outhouse or lean-to.

  • Page 18: Fitting The Coaxial Flue (Ø 60/100 Horizontal)

    3. installation Warning The exhaust gas ducts must not be in contact with or close Important to infl ammable material and must not pass through building Ensure that the fl ue is not blocked. Ensure that the fl ue is supported and assembled in accordance structures or walls made of infl...

  • Page 19: Fitting The 5" Flue (Ø 80/125 Horizontal / Vertical)

    3. installation Clamp Screws Seal Fig. 3.16 3.4.2 Fitting the 5” Flue Once the boiler has been positioned on the wall, it is necessary (Ø 80 / 125 Horizontal/vertical) to insert the Ø80/125 adaptor (Fig. 3.17) for both horizontal and vertical fl ue runs into the boiler fl ue socket (not supplied with fl...

  • Page 20: Fitting The Coaxial Flue (Ø 60/100 Vertical)

    3. installation 3.4.3 Fitting the Coaxial Flue Note: See table for maximum and minimum fl ue runs. (Ø 60 / 100 Vertical) Contents: 1x Silicone O-Ring (60mm) 1x Conical Adaptor (60/100mm) 1x Vertical Flue Kit (80/125mm) 3x Screws The vertical fl ue kit is supplied with a specially designed weather proof terminal fi...

  • Page 21: Fitting The Twin Pipe (Ø 80/80)

    Always ensure that the fl ue is adequately supported, using one fl ue bracket per extension and avoiding low points. (ARISTON supply suitable clamps as Part No. 705778). To utilise the air intake it is necessary to: 1) Take the air intake cover off the top of the appliance 2) Assemble the fl...
  • Page 22 3. installation Fig. 3.23 AIR INTAKE MUST NOT BE FITTED ABOVE THE EXHAUST AIR INTAKE EXHAUST AIR INTAKE Fig. 3.24 For coaxial systems, the maximum development value, mentioned in the table below also takes into account an elbow. For twin fl ue systems the maximum development value, mentioned in the table includes the exhaust gas/air intake terminal.
  • Page 23 3. installation 3.4.5 Table of fl ue gas exhaust duct lengths Maximum Extension Exhaust-air (m) Diameter of pipe FLUE TYPE EGIS HE (mm) C13 C33 C43 ø 60/100 Coaxial System C13 C33 C43 ø 80/125 S1 = S2 ø 80/80 C43 C33 25 / 25 1 + S2...

  • Page 24: Electrical Connections

    3. installation WARNING 3.5.1 Peripheral unit connection Before performing any work on the boiler, fi rst To access peripheral unit connections carry out the following disconnect it from the electrical power supply using steps: - Disconnect the boiler from the power supply the external bipolar switch and remove the fuse.

  • Page 25: Outdoor Sensor Connection

    3. installation 3.5.2 Room Thermostat / Remote Clock Connection To connect a room thermostat, it is necessary to: 1. Open the control panel 2. Loosen the cable clamp using a screwdriver and insert the wires leading from the room thermostat 3.

  • Page 26: Internal Rf Receiver For Ariston Programmable Room Thermostat

    3. installation 3.5.4 Fitting instructions for: • Internal mechanical time clock • Internal RF receiver for Ariston programmable room thermostat These instructions to be used in conjunction with the appliance installation instructions. Ensure the appliance is electrically isolated before working on the appliance.

  • Page 27: Electrical Diagram

    3. installation 3.5.5 Electrical diagram The manufacturer is not responsible for any damage For increased safety, ask a qualifi ed technician to perform a caused by the lack of a suitable earthing system or by the thorough check of the electrical system. malfunctioning of the electricity mains supply.

  • Page 28: Commissioning

    4.1 Initial preparation appliances when they are in use at the same time. Ariston Thermo UK Ltd support the benchmark initiative. On pages pages 57 and 58 of this manual the Benchmark Pipe work must be of an adequate size. Pipes of less than 22mm should not be used, final connection being 15mm.
  • Page 29 4. commissioning FIRST IGNITION OPERATION Date ......Installer ..... 1.

  • Page 30: Ignition Procedure

    4. commissioning 4.3 Ignition procedure 4.4 First ignition Press the ON/OFF button on the control panel to switch on the 1. Make sure that: boiler. The display shows: - The gas valve is closed; - The electrical connection has been properly carried out. Make sure that, in any case, the green/yellow earthing wire is connected to an effi...

  • Page 31: Combustion Checking Procedure

    4. commissioning 4.5 Combustion checking procedure Operation 3 - Adjusting the CO2 at maximum output The order of operations for this procedure must always be (domestic hot water) respected. Draw off the domestic hot water at the maximum water fl ow rate.

  • Page 32: Maximum Heating Power Adjustment

    EGIS HE 30 Operation 5 - Ending the adjustment Fig. 4.6 Exit the TEST mode by pressing RESET. EGIS HE 24 Stop the draw-off. Verify and repair any gas leaks. Refi t the front panel to the boiler. 4.5.2 Checking the soft ignition power Refi...

  • Page 33: Table Summarising Changes

    4. commissioning 4.5.4 Table summarising changes EGIS HE 24 EGIS HE 30 parameter Lower Wobbe index (15°C, 1013 mbar) ( MJ/m 3 ) 45.67 45.67 Soft ignition Minimum fan speed (%) Maximum central heating fan speed (%) Maximum D.H.W fan speed (%) Maximum heating power adjstment Gas valve restrictor (ø)

  • Page 34: Boiler Protection Devices

    5. boiler protection devices The boiler is protected from malfunctioning by means of The fi rst fi gure of the error code (e.g. 1 01) indicates within internal checks performed by the electronic microprocessor which operational assembly the error occurred. P.C.B., which stops the boiler from operating if necessary.

  • Page 35: Anti-Frost Device

    5. boiler protection devices 5.5 Anti-frost Device. The anti-frost function acts on the central heating fl ow temperature probe, independently from other operations, when the electrical supply is turned on. If the primary circuit temperature is between 3°C and 8°C the pump will run (with the diverter valve switching between central heating and hot water every 1 minute) until the temperature reaches >...
  • Page 36 6. settings - adjustment - problem identifi cation parameters 6.1 Accessing the settings - adjustment - problem The information relating to the parameters are indicated on identifi cation parameters the display. The boiler can be used to manage the heating and domestic Caution! The menus reserved for qualifi...
  • Page 37 6. settings - adjustment - problem identifi cation parameters Description value press the programming “+” SERVICE CODE button to select 234 and press the “+” OK button Soft ignition from 0 to 99 see 4.5.2 (Page 31) Thermoregulation 0 = Not active 1 = Active Boiler version from 0 to 5...
  • Page 38 6. settings - adjustment - problem identifi cation parameters Description value Parallel curve shift Zone 1 Offset from - 14 to + 14 (HT) from -7 to +7 (LT) To adapt the heating curve to the system requirements, shift the curve in parallel so that the calculated fl ow tempe- rature is modifi...

  • Page 39: General Comments

    7. maintenance Important - Begin operating the boiler. Maintenance is an essential part of the safe and effi cient - If necessary, release the air from the heating system again. - Check the settings and make sure all the command, operation of the boiler and ensures its durability.

  • Page 40: General Access

    8. maintenance guide 8.1 GENERAL ACCESS Lower the electrical front panel 8.1.1 General Access Tools TIME 3 min Remove the two screws under the boiler Remove the combustion chamber front panel by releasing the clips Pull the casing forwards and unhook it from the upper pins...

  • Page 41: Electrical Unit

    8. maintenance guide 8.2 ELECTRICAL UNIT Unscrew the two screws and remove the cover 8.2.1 Control box access Tools TIME 4 min Remove the front panel as above and pivot the electrical box Unhook the two clip and rotate the cover...

  • Page 42: Fuse

    8. maintenance guide 8.2.2 Fuse 8.2.3 Main P.C.B. Tools Tools TIME 5 min TIME 5 min Open the control box as above After opening the control box, disconnect the elctrical plug connections Remove the fuse Unhook and remove the P.C.B.

  • Page 43: Display P.c.b

    8. maintenance guide 8.2.4 Display P.C.B. Tools TIME 5 min Unscrews the four screws and pull the assembly towards Disconnect the elctrical plug connections, unhook and remove the P.C.B.

  • Page 44: Hydraulic Unit

    8. maintenance guide 8.3 HYDRAULIC UNIT Remove the clip and lift the motor from the diverter valve body. 8.3.1 RIGHT HAND HYDRAULIC BLOCK ASSEMBLY Drain the boiler (see 3.3). Remove the clip and lift the diver- ter valve from the assembly. Legend: 1 - Diverter valve motor 2 - Diverter valve...

  • Page 45: Draining

    8. maintenance guide 8.3.3 Draining 8.3.5 Primary water pressure sensor TIME 5 min Tools Tools Drain the boiler (see 3.3). Slide the fi xing clip, (it is held TIME 5 min captive) unplug the electrical connector and lift the sensor from the assembly.

  • Page 46: Pump

    8. maintenance guide 8.3.6 Pump Remove the sensor (see 3.5) Tools TIME 10 min Drain the boiler (see 3.3). Remove the clip and the two screws Remove the AAV (see 3.4) Disconnect the pipe and then move the pump to the right to disengage Remove the pump...

  • Page 47: C.h. Filter

    8. maintenance guide 8.3.7 C.H. Filter 8.3.8 D.H.W. Flow switch assembly Tools Tools TIME 5 min TIME 10 min Drain the boiler (see 3.3). Drain the boiler (see 3.3). Remove the clip and pull the fl ow Remove the clip and remove the fi lter switch assembly towards you Remove the fi...

  • Page 48: Left Hand Hydraulic Block Assembly

    8. maintenance guide 8.3.9 LEFT HAND HYDRAULIC BLOCK ASSEMBLY 8.3.10 Secondary heat exchanger Tools TIME 10 min Drain primary and domestic hot water circuits. Remove the two screws and remove the heat exchanger Legend: 1 - Left hand hydraulic block 2 - By-pass assembly 3 - Safety valve 4 - Central heating fl...

  • Page 49: Condensate Trap

    8. maintenance guide 8.3.11 Condensate trap 8.3.12 Safety valve Tools Tools TIME 5 min TIME 5 min Unscrew the condensate trap from the condensate body Drain the boiler (see 3.3). Disconnect the discharge pipe. Remove the fi st clip on the left and pull the safety valve towards you...

  • Page 50: By-Pass Assembly

    8. maintenance guide 8.3.13 By-pass assembly 8.3.14 Temperature sensors Tools Tools TIME 5 min TIME 5 min Drain the boiler (see 3.3). Remove the second clip and pull NTC1 : Black the assembly towards you NTC2: Red NTC1 NTC2 Unplug the electrical connections...

  • Page 51: Overheat Thermostat

    8. maintenance guide Remove the clip and the temperature sensor 8.3.16 Manual Air vent Tools TIME 5 min Drain boiler (see 3.3) Unscrew and lift the manual air vent from the exchanger IMPORTANT ! Do not use conducting paste for the contact sensors because it will alter the resistance value.

  • Page 52: Main Heat Exchanger

    8. maintenance guide 8.3.17 Main heat exchanger Remove the ignitor (Disconnect the electrical connectios) Tools TIME 25 min Drain boiler (see 3.3) Unscrew the screws of fl ue collector Remove the fl ue collector Disconnect the condensate discharge pipe from the fl ue collector Unscrew the screws of the silencer...
  • Page 53 8. maintenance guide Remove the fan electrical connection Remove the silencer Unscrews the two screws Remove the fan-mixer group Disconnect the gas pipe from the mixer. Unscrews the six screws of the burner...
  • Page 54 8. maintenance guide Remove the burner Unscrew the screws of the main exchanger Remove the clips to disconnect the fl ow and return pipes. Remove the main heat exchanger...

  • Page 55: Combustion Group

    8. maintenance guide 8.4 COMBUSTION GROUP Legend: 1 - Fan 3 - Mixer 4 - Silencer 5 - Gasket (Fan) 6 - Detection electrode 7 - Ignition electrode 8 - Burner 9 - Burner gasket...

  • Page 56: Spark Generator

    8. maintenance guide 8.4.1 Spark generator 8.4.2 Electrodes Tools Tools TIME 5 min TIME 5 min Remove the electrical connections from the spark genera- Unscrews the four screws tor and unhook it. Pull the electrodes towards you.
  • Page 57 8. maintenance guide 8.4.3 Fan Tools TIME 15 min Remove the combustion assembly (see 4.3) Remove the three screws to free the fan. Legend: 1 - Fan 2 - Venturi 3 - Gasket Fan & mixer venturi according to the model Power Venturi diameter 24 kW...

  • Page 58: Gas Valve

    8. maintenance guide 8.4.4 Gas Valve Remove the gas valve Tools TIME 15 min Remove the two screws under the boiler and disconnect the gas pipe on the left of the gas valve Legend: 1 - Gas valve 2 - Solenoids 3 - Throttle adjustment 4 - Offset adjustment 5 - Inlet test nipple...

  • Page 59: Annual Maintenance

    8. maintenance guide 8.5 ANNUAL MAINTENANCE Plate heat exchanger Maintenance Interval: As necessary How: To measure specifi cation of DHW performance. By-pass & Safety valve Maintenance Interval: Annually How: Visual inspection / Clean as necessary Central heating fi lter Maintenance Interval: Annually How: Visual inspection / Clean as necessary Flow switch operation Maintenance Interval: Annually...
  • Page 60 8. maintenance guide Primary Heat exchanger Maintenance Interval: Annually How : Visual inspection / Clean as necessary 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 fi...

  • Page 61: Benchmark Commissioning Checklist

    Failure to install and commission according to the manufacturer’s instructions and complete this Benchmark Commissioning Checklist will invalidate the warranty. This does not affect the customer’s statutory rights. If yes, and if required by the manufacturer, has a water scale reducer been fitted? CONDENSING BOILERS ONLY The condensate drain has been installed in accordance with the manufacturer’s instructions and/or BS5546/BS6798 If the condensate pipe terminates externally has the pipe diameter been increased and weatherproof insulation fitted?

  • Page 62: Service Record

    Service Record It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions.
  • Page 64 Ariston Thermo UK Ltd Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone: (01494) 755600 Fax: (01494) 459775 Internet: www.ariston.co.uk Technical Advice: 0333 240 7777 Customer Service: 0333 240 8777...

This manual is also suitable for:

Egis he 30