Glowworm EASICOM 3 24c Installation And Maintenance Instructions Manual
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Glowworm EASICOM 3 24c Installation And Maintenance Instructions Manual

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EASICOM 3
24c
28c
en Installation and maintenance instructions

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Summary of Contents for Glowworm EASICOM 3 24c

  • Page 1 EASICOM 3 en Installation and maintenance instructions...

  • Page 2: Table Of Contents

    Installation and maintenance Flushing the heating installation for the first time ("cold") ............26 instructions Filling and purging the heating installation ..27 Filling the domestic hot water circuit....27 Contents Checking and adjusting the gas setting....27 9.10 Thoroughly flushing the heating installation Safety ..............

  • Page 3: Safety

    Safety Qualification The person carrying out the work described Intended use here must have completed professional train- The product is intended as a heat generator ing. The competent person must demon- for closed heating installations and for do- strably have all of the knowledge, skills and mestic hot water generation.
  • Page 4 ▶ Do not use any electrical switches, mains To prevent electric shocks, proceed as fol- plugs, doorbells, telephones or other com- lows before working on the product: munication systems in the building. ▶ Disconnect the product from the power ▶ Close the emergency control valve or the supply by switching off all power supplies main isolator.

  • Page 5: Regulations (Directives, Laws, Standards)

    ▶ Observe local regulations on neutralising condensate. 1.3.9 Frost To prevent material damage: ▶ Do not install the product in rooms prone to frost. 1.3.10 Safety devices ▶ Install the necessary safety devices in the installation. Regulations (directives, laws, standards) ▶...

  • Page 6: Guarantee And Customer Service

    Guarantee and Customer Service Guarantee Registration Thank you for installing a new Glow-worm appliance in your home. Glow-worm appliances are manufactured to the very highest standard so we are pleased to offer our customers a comprehensive guarantee. To maintain your guarantee, the boiler must be serviced annually by a competent person who holds the required qualifications in accordance with the rules in force of the country where the product is installed and in accordance with the manufactures recommendations.

  • Page 7: Technical Data

    Technical data Technical data – General EASICOM 3 24c EASICOM 3 28c Gas category Diameter of the gas pipe 1/2 inch 1/2 inch Diameter of the heating pipe 3/4 inch 3/4 inch Expansion relief valve connection 15 mm 15 mm pipe (min.)
  • Page 8 EASICOM 3 24c EASICOM 3 28c Safety discharge of expansion 0.3 MPa 0.3 MPa relief valve (3.0 bar) (3.0 bar) Maximum operating pressure 0.25 MPa 0.25 MPa (2.50 bar) (2.50 bar) Nominal water flow (ΔT = 20 K) 870 l/h 1,051 l/h Nominal water flow (ΔT = 30 K)

  • Page 9: Notes On The Documentation

    = place of manufacture Article number Gas Council Num- Easicom 3 Product designation XX, Gxx – xx mbar Gas group and gas connection pressure EASICOM 3 24c 0010021401 47-019-50 (x kPa) as set at the factory EASICOM 3 28c 0010021402 47-019-51 Cat.

  • Page 10: Functional Elements: Combi Boiler

    Functional elements: Combi boiler To restart the boiler, press the reset button on the boiler interface. If the boiler fails to resume normal operation and all external controls are calling for heat, then call your Installation/ Servi- cing company or Vaillant service. 5.5.3 Frost protection The appliance has a built in frost protection device that pro-...

  • Page 11: Set-Up

    Set-up Installation site This boiler is not suitable for outdoor installation. This boiler Checking the scope of delivery may be installed in any room. However if the boiler is being ▶ installed in a room containing a bath or shower it must only Check that the scope of delivery is complete and intact.

  • Page 12: Air/Flue Pipe

    Air/flue pipe 6.6.1 Regulation Different flue outlet configurations can be carried out. – Consult the installation manual for air/flue gas systems for more information about the other possibilities and associated accessories. Minimum fall 44 mm/m – Standard flue terminal kits have an in-built fall back to the boiler to drain the condensate.
  • Page 13 6.6.2 Position of the air/flue terminal 6.6.2.1 Positioning the terminal of a fan-supported flue system Dimen- Installation site sions Adjacent to a boundary. 300 mm The dimension below eaves, balconies and car ports can be reduced to this value, as long as the flue terminal is 25 mm extended to clear any overhang.
  • Page 14 Dimen- Installation site sions Below eaves. 200 mm Below gutters, pipe and drains. 75 mm The dimension below eaves, balconies and car ports can be reduced to this value, as long as the flue terminal is 25 mm extended to clear any overhang. External flue joints must be sealed with suitable silicon sealant. Above adjacent ground or balcony.
  • Page 15 6.6.3.3 Vertical Concentric Flue ⌀ 60/100 mm or 6.6.3 Flue Configuration Description ⌀ 80/125 mm (C33 type installation) 6.6.3.1 Horizontal Concentric Flue ⌀ 60/100 mm or ⌀ 80/125 mm (C13 type installation) Gasket (fitted) Consult the separate installation manual for air/flue gas sys- Note tems supplied with your appliance for all possibilities and as- If the terminal is at less than 1.80 m from the...

  • Page 16: Using The Mounting Template

    Removing/installing the front casing Boiler Final storey Inspection hatch Ground floor 6.9.1 Removing the front casing Note The flue connecting from the appliance to the flue system must be supplied from the manufacturer of the boiler. C43 flue systems must not be a 'pressurised sys- tem' but act under natural draught principles.
  • Page 17 6.10.2 Installing the side section ▶ Refit the components in the reverse order. 0020239562_04 EASICOM 3 Installation and maintenance instructions...

  • Page 18: Installation

    Installation Gas and water connections Note Preparing for installation Apply heat insulation to the water pipes to the ▶ Make sure that the existing gas meter is capable of boiler outlet and to the installation. passing the rate of gas supply required. ▶...

  • Page 19: Connecting The Condensate Discharge Pipe

    ◁ The piping must be installed in such a way that you Refer to BS5546 or BS6798 for further advice on disposal of can see when water drips out. boiler condensate. Connecting the condensate discharge pipe 7.6.1.1 Direct Connection to internal soil and vent stack Ø22mm ▶...
  • Page 20 7.6.1.4 Internal termination into combined sink Open end of pipe direct into gulley below ground level but above water level waste Susceptible to siphonage, must terminate in a gulley 7.6.1.7 External termination into rain water down pipe 100mm ≥ 3 m Ø22mm Ø32mm ≤...

  • Page 21: Connecting The Drain Cock

    Connecting the drain cock 7.9.1 Opening and closing the electronics box ▶ Connect a hose to the drain cock (1) and guide the free end of the hose to a suitable drainage point. Flue installation 7.8.1 Installing and connecting the air/flue pipe You can find out which air/flue pipes may be used by consulting the enclosed set-up instructions for the air/flue system.
  • Page 22 – Use strain reliefs. Power supply: Single-phase, 230 V, 50 Hz – Fuse protection: ≤ 3 A If required, shorten the connection cables. Open the electronics box. (→ Page 21) Observe the routing of the power supply cable (1) in the electronics box in order to guarantee that there is no strain.
  • Page 23 Connect the individual components depending on the installation type. Condition: If installing a multi-circuit control. ▶ Change the pump mode (d.18) from Eco (intermittent pump operation) to Comfort (continuous pump opera- tion). Condition: If you are connecting a control (230 V). 230V~ ▶...

  • Page 24: Operation

    Operation Using check programmes By activating various check programmes, you can trigger Using diagnostics codes various special functions on the product. You can use the parameters marked as adjustable in the Check programmes – Overview (→ Page 40) table of diagnostics codes to adapt the product to the install- ation and customer requirements.

  • Page 25: Start-Up

    Start-up Total Water hardness at specific system volume heating > 20 l/kW output ≤ 20 l/kW Carrying out the initial start-up > 50 l/kW ≤ 50 l/kW Initial start-up must be carried out by a customer service mol/ mol/ mol/ technician or an authorised competent person using the CaCO₃...

  • Page 26: Filling The Condensate Siphon

    Additives for frost protection intended to remain Avoiding danger arising from insufficient permanently in the installation water pressure – Adey MC ZERO The filling pressure must be between 0.10 and 0.15 MPa – Fernox Antifreeze Alphi 11 (1.0 and 1.5 bar). –...

  • Page 27: Filling And Purging The Heating Installation

    Filling and purging the heating installation 9.9.1 Checking the air/flue pipe/flue gas recirculation Preliminary work ▶ Check the flue gas installation is intact in accordance Flush the heating installation through. with the latest gas safe technical bulletin and informa- tion supplied in the installation instructions. For extended flue gas installations check for flue gas recirculation using the air analysis point.
  • Page 28 9.9.3 Checking the gas connection pressure (gas Condition: Gas flow pressure in the permissible range flow pressure) ▶ End the check programme P.01. ▶ Allow the boiler to cool down allowing pump overrun to operate for a minimum of two minutes. ▶...

  • Page 29: Thoroughly Flushing The Heating Installation ("Hot")

    Status codes – Overview (→ Page 44) 9.10 Thoroughly flushing the heating installation ◁ ("hot") If the product is working correctly, the display shows S.14. Operate the appliance until the boiler and the heating system are up to temperature. Check the heating system for leaks. 10 Adapting the unit to the installation Connect a hose to the drain valve located at the lowest position of the heating system.

  • Page 30: Setting The Bypass

    Flow rate-pressure curves for 28 kW 10.4 Setting the domestic hot water temperature (pressure measured downstream of the valves) Observe the applicable regulations regarding legionella prevention. Danger! Risk of death from legionella. Legionella multiply at temperatures below 60 °C. ▶ Ensure that the end user is familiar with all of the Anti-legionella measures in order to comply with the applicable regulations...

  • Page 31: Inspection And Maintenance

    12 Inspection and maintenance 12.5 Setting the CO₂ content Condition: The CO₂ content must be adjusted 12.1 Complete Service Interval Record section ▶ After servicing, complete the relevant Service Interval Record section of the Benchmark Checklist located on the inside back pages of this document. 12.2 Using original seals If you replace components, use only the enclosed original...

  • Page 32: Cleaning The Heat Exchanger

    10. Remove the burner seals (7) and the burner (8). 11. Check the burner and the heat exchanger for damage and dirt. 12. If necessary, clean or replace the components accord- ing to the following sections. 13. Install the two new burner seals. 12.7 Cleaning the heat exchanger Remove the screw (1).

  • Page 33: Cleaning The Condensate Tray

    – 12.11 Cleaning the condensate siphon Clearance for the ignition electrodes: 3.5 to 4.5 mm Make sure that the seal (5) is free from damage. ▽ If necessary, replace the seal. 12.10 Cleaning the condensate tray Switch off the product via the main switch. Close the gas isolator cock.

  • Page 34: Cleaning The Heating Filter

    12.13 Cleaning the heating filter 12.15 Draining the product Close the service valves of the product. Start check programme P.05 (→ Page 24). Check programmes – Overview (→ Page 40) Open the draining cock. 12.16 Checking the pre-charge pressure of the expansion vessel Drain the product.

  • Page 35: Calling Up The Fault Memory

    13.2 Calling up the fault memory 13.6 Replacing defective components 13.6.1 Replacing the burner The last ten fault codes are stored in the fault memory. ▶ Hold the button down for more than 7 seconds. Remove the gas-air mixture unit. (→ Page 31) Overview of fault codes (→...
  • Page 36 Remove the gas pipe (1). 11. Remove the clip underneath the condensate tray (1). 12. Undo the four screws (2). Remove the temperature sensor (3). Remove the upper clip (1). 13. Lift the heat exchanger up slightly and remove it to- gether with the condensate tray.
  • Page 37 13.6.6 Replacing the expansion vessel 13.6.8 Replacing the PCB for the user interface Drain the product. (→ Page 34) Undo the nut (3). Remove both screws on the support plate (1). Remove the support plate . Pull out the expansion vessel (2) towards the front. Open the electronics box.

  • Page 38: Checking The Product For Leak-Tightness

    Remove the volume flow sensor (1). Install the new volume flow sensor. Plug in the plug. 13.6.11 Replace the pressure sensor Pull out the plug. Remove the clip (1). Remove the pressure sensor (2). Install the new pressure sensor. Reattach the clip (1). 13.7 Checking the product for leak-tightness ▶...

  • Page 39: Appendix

    Appendix Inspection and maintenance work The table below lists the manufacturer requirements with respect to minimum inspection and maintenance intervals. If na- tional regulations and directives require shorter inspection and maintenance intervals, you should observe these instead of the intervals listed. Each time inspection and maintenance work is carried out, carry out the required preparatory and com- pletion work.

  • Page 40: B Check Programmes - Overview

    Maintenance work Interval Checking the pre-charge pressure of the expansion vessel at regular intervals Check the water flow rate (domestic hot water). Insufficient water flow Annually rate → Check the incoming water supply. Incoming water supply sufficient, water flow rate too low → Clean or replace the strainer in the cold water inlet Check the impeller sensor for dirt/damage and, if required, replace it Annually...

  • Page 41: C Overview Of Diagnostics Codes

    Overview of diagnostics codes Note Since the code table is used for various products, some codes may not be visible for the product in question. Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code –...
  • Page 42 Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – d.18 Pump overrun operating 1 = Continuous (pump runs per- Adjustable mode manently) 3 = Eco (intermittent pump mode – for the dissipation of the resid- ual heat after hot water genera- tion at an extremely low heat de- mand)
  • Page 43 Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – – d.35 Position of the diverter Current value 0 = Heating valve adjustable 40 = Mid-position (parallel opera- tion) 100 = Domestic hot water –...

  • Page 44: D Status Codes - Overview

    Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – d.80 Running time in heating Current value Running time = Display value x mode adjustable – d.81 Running time in hot wa- Current value Running time = Display value x ter handling mode adjustable...

  • Page 45: E Overview Of Fault Codes

    Status code Meaning S.17 DHW mode: Pump overrun Display in Comfort mode with warm start or hot water handling mode with cylinder S.20 Hot water handling mode: Requirement S.21 Hot water handling mode: Advance fan operation S.22 Hot water handling mode: Pump pre-run S.23 Hot water handling mode: Burner ignition S.24...
  • Page 46 Fault code Meaning Possible cause F.23 Safety shutdown: Temperature spread Pump blocked, insufficient pump output, air in product, flow and return NTC too great (NTC1/NTC2) connected the wrong way round F.24 Safety shutdown: Temperature rise too Pump blocked, reduced pump output, air in product, system pressure too fast low, non-return valve blocked/incorrectly installed F.25...

  • Page 47: F Wiring Diagram: Combi Boiler

    Fault code Meaning Possible cause F.88 Fault: Gas valve assembly Gas valve assembly not connected or it is connected incorrectly, short circuit in the cable harness F.89 Fault: Pump Pump not connected or it is connected incorrectly, incorrect pump connec- ted, short circuit in the cable harness Wiring diagram: Combi boiler Burner off...

  • Page 48: Commissioning Checklist

    Commissioning Checklist Benchmark Commissioning & Warranty Validation Service Record It is a requirement that the boiler is installed and commissioned to the manufacturers’ instructions and the data fields on the commissioning checklist completed in full. To instigate the boiler warranty the boiler needs to be registered with the manufacturer within one month of the installation.
  • Page 49 GAS BOILER SYSTEM COMMISSIONING CHECKLIST & WARRANTY VALIDATION RECORD Address: Boiler make and model: Boiler serial number: Commissioned by (PRINT NAME): Gas Safe registration number: Company name: Telephone number: Company email: Company address: Commissioning date: Heating and hot water system complies with the appropriate Building Regulations? Time, temperature control and boiler interlock provided for central heating and hot water Boiler Plus requirements (tick the appropriate box(s)) Weather compensation...
  • Page 50 SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the SERVICE/INTERIM WORK ON BOILER Date: SERVICE/INTERIM WORK ON BOILER...
  • Page 51 SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the SERVICE/INTERIM WORK ON BOILER Date: SERVICE/INTERIM WORK ON BOILER...

  • Page 52: H Commissioning Flow Chart

    Commissioning Flow Chart PRIOR TO CO AND COMBUSTION RATIO CHECK NOTE The boiler manufacturer’s installation instructions should have been followed, gas type verified and gas THE AIR GAS RATIO VALVE IS FACTORY supply pressure/rate checked as required prior to commissioning. SET AND MUST NOT BE ADJUSTED As part of the installation process, especially where a flue has been fitted by persons other than the DURING COMMISSIONING UNLESS THIS...

  • Page 53: Index

    Index Leak-tightness ............... 29, 38 Air intake pipe, removing............. 31 Maintenance work ............... 31 Air/flue pipe, horizontal wall duct......... 15 Maintenance work, completing..........34 Mounting template............... 16 Air/flue pipe, installing ............21 Air/flue pipe, type C13 ............15 Overheating protection ............10 Air/flue pipe, type C33 ............
  • Page 56 Supplier Vaillant Ltd. Nottingham Road Belper Derbyshire DE56 1JT Telephone 0330 100 3461 info@vaillant.co.uk www.vaillant.co.uk 0020239562_04 Publisher/manufacturer Vaillant Group UK LTD Nottingham Road Belper Derbyshire DE56 1JQ Telephone 01773 824639 Technical helpline 0330 100 7679 After sales service 0330 100 3142 www.glow-worm.co.uk © These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with the manufacturer's written consent.

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Easicom 3 28c

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