Trianco EuroStar Combi 20 Operation, Installation, Commissioning And Servicing Instructions
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Trianco EuroStar Combi 20 Operation, Installation, Commissioning And Servicing Instructions

For balanced or conventional flue
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TRIANCO COMBI 15/20 & 20/26 BAND A
For Balanced or Conventional Flue
OPERATION, INSTALLATION,
COMMISSIONING AND SERVICING
INSTRUCTIONS
Please read these instructions carefully before installing,
Commissioning and using this appliance.
To be retained by the householder.

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Summary of Contents for Trianco EuroStar Combi 20

  • Page 1 TRIANCO COMBI 15/20 & 20/26 BAND A For Balanced or Conventional Flue OPERATION, INSTALLATION, COMMISSIONING AND SERVICING INSTRUCTIONS Please read these instructions carefully before installing, Commissioning and using this appliance. To be retained by the householder.

  • Page 2: Table Of Contents

    CONTENTS PAGE HEALTH AND SAFETY INFORMATION HOW TO USE YOUR BOILER Boiler and System Control Simple Fault Finding Commissioning and Servicing AFTER SALES SERVICE INFORMATION TECHNICAL INFORMATION Outline Dimensions Technical Data Pump Curve Wiring Diagram INSTALLATION Regulations Health and Safety Siting the Boiler Combustion Air Conventional Flue Ventilation for Conventional Flue Boiler...

  • Page 3: Health And Safety Information

    HEALTH AND SAFETY INFRORMATION FOR THE USER, INSTALLER AND SERVICE ENGINEER Under the Consumer Protection Act 1987 and the Health and Safety at Work Act 1974, it is a requirement to provide information on substances hazardous to health (COSHH Regulations 1998). TR Engineering takes every reasonable care to ensure that its products are designed and constructed to meet these safety requirements when the products are properly installed and used.

  • Page 4: How To Use Your Boiler

    HOW TO USE YOUR BOILER The EuroStar Band A Combi is a heat storage If you live in a hard water area it is recommended that combination boiler, which stores heat to supply hot in order to reduce scale formation on the plate heat water whenever the hot taps are turned on.

  • Page 5: Oil

    SYSTEM CONTROLS ROOM THERMOSTAT 2. Check for a blown fuse. If the fuse has blown and on replacement blows again, switch off the mains The room thermostat should not be positioned near a electrical supply to the boiler and call your service source of heat such as a radiator or exposed to the engineer.

  • Page 6: After Sales Service Information

    AFTER SALES SERVICE INFORMATION A qualified field service engineer is available to attend IMPORTANT a breakdown occurring during the boiler’s guarantee period. Invoices for attendance and repair work by any third party will not be accepted unless authorised in advance by TR Engineering Ltd. The boiler must be made available for attendance during normal working hours, Monday to Friday.
  • Page 7 INTRODUCTION When fitting the boiler to an existing system, clean the system by using an appropriate flushing and descaling The Trianco EuroStar Combi Boiler has been agent. Refer to BS 7593 (1992) for guidance. designed to conform to European Directive/Standards BED 92/42/EEC, LVD 73/23/EEC, EMC 89/336/EEC.

  • Page 8: Outline Dimensions

    OUTLINE DIMENSIONS AND CLEARANCES SPACE REQUIRED FOR INSTALLATION AND MAINTENANCE Rear 0 mm 0 in Side LH/RH 20 mm 0.75 in Front 600 mm 24 in 450 mm 18 in THE BOILER MAY BE INSTALLED BELOW A KITCHEN WORK SURFACE SO LONG AS THE SECTION IS REMOVABLE AND THE MAINTENANCE CLEARANCE IS MAINTAINED.

  • Page 9: Technical Data

    TECHNICAL DATA COMBI 20 COMBI 26 Rated Input 22.1 kW 28.3 kW Rated Output 20.5 kW 26.3 kW Oil Burner Riello RDB Riello RDB Weight (empty) 147 kg 147 kg Water Content 82.3 litres 82.3 litres C/H Flow and Return 22mm DHW Inlet &...

  • Page 10: Pump Curve

    Grundfos 25/60 (Eurostar Combi 20 and Combi 26) PUMP FLOW CURVE Note If the pump is run on speed setting 1, domestic hot water availability is impaired.

  • Page 12: Installation

    INSTALLATION Regulations Pluming Installation of the boiler must comply with the Due to the condensing nature of the boiler, a plume of following: water vapour will occasionally discharge from the flue; this should be taken into account when siting the BS 5410 Part 1: Code of Practice for Oil Firing.
  • Page 13 Fig. 5 Conventional Flue Fig. 6 Balanced Flue...

  • Page 14: Water Systems

    WATER SYSTEMS Heating Note: if the appliance pressure gauge indicates a rise The installation must comply with the requirements of of pressure to 2.6 Bar or higher with the radiator BS 6798 and BS 5499. Maximum water temperature circuit operating at full output of the boiler, an is 86°C.

  • Page 15: Water Systems Connection

    Domestic Hot Water The mains supply pressure should be between 1 and Water System Connections 5 Bar, but if in excess of 5 Bar, then a pressure reducing valve must be fitted before the inlet valve. Heating The final 600mm (24in) of the mains water supply pipe to the boiler must be copper.
  • Page 16 SEALED SYSTEM PIPING SCHEMATIC DIAGRAM ALTERNATIVE METHODS OF FILLING A SEALED SYSTEM...
  • Page 17 TYPICAL DISCHARGE PIPE ARRANGEMENT...
  • Page 18 Factory Fitted Electronic Programmer The unit is fitted with a twin channel 7 day programmer, to control the heating and hot water. Programming Sequence...

  • Page 20: Electrical Supply

    Electrical Supply All electrical wiring must be carried out by a qualified electrician in accordance with current IEE Regulations and any local regulations that apply. The boiler must be earthed and the supply cables must be longer than the current-carrying conductor cables (i.e.

  • Page 21: Condensate Drain Connections

    Condensate Drain Connections The boiler comes equipped with its own condensate DO NOT fire the boiler without first ensuring the trap in the form of a 22mm 'U' shaped pipe connected condensate trap is filled with water. Failure to do so to the secondary heat exchanger.

  • Page 22: Supply

    Supply The burner will only run on kerosene class C2 to A long-life flexible oil hose is supplied with the boiler. BS 2869. Failure to use the correct oil or use of a A filter and shut-off valve are also required. These heating oil mixture will invalidate the warranty.
  • Page 23 Lift (H) 8mm ID Supply Maximum Run (Metres) 10mm ID Supply Lift (H) 8mm ID Supply Maximum Run (Metres) 10mm ID Supply...

  • Page 24: Flue Systems

    Flue Systems The use of the balanced flue principle also enhances To evacuate the products of combustion safely and the overall thermal efficiency of the boiler, as the thoroughly, the boiler must have an efficient flue incoming air extracts waste heat from the flue and system.
  • Page 25 Minimum clearances as measured from top of chimney or rim of low-level discharge terminal. All distances in mm. Directly below an opening (e.g. a window or air brick) From a surface or boundary facing the terminal Horizontally to an opening From another terminal facing the terminal 1200 Below a gutter, eaves or a balcony (with protection)
  • Page 26 Horizontal Balanced Flue Assembly (Kits 2334 & 2335) Before starting, ensure the placement of each section Adjust the terminal length as required, ensuring a has been identified and that all 'o' ring seals are in minimum distance of 140mm is kept from the end of position and well lubricated.
  • Page 27 2334 – 600mm Horizontal Balanced Flue Kit Model Dim 'A' 15–20 746mm 20–26 746mm 2335 – 1000mm Horizontal Balanced Flue Kit Model Dim 'A' 15–20 746mm 20–26 746mm...
  • Page 28 High Level Balanced Flue Assembly (Kits 2357 in conjunction with 2355 or 2356) Perform a final check of the flue. Ensure clamping straps are located over all relevant flue joints. Before starting, ensure the placement of each pipe section has been identified (Fig 19), and that all 'o'- To ensure that any condensate produced in the flue rings are in position and are well lubricated.
  • Page 29 Item Description Part No. Horizontal Flue 2355 or 2356 Clamping Strap 222899 Vertical Flue Mid-Section 222867 Vertical Flue Bottom Section 222820 Spigot Sealing Plate 222825 Spigot 222819 Sealing Plate Gasket 223198 Flue Sealing Plate 223191 'O'-Ring Seal 221647 Part No. Part No.
  • Page 30 2357 – High Level Adaptor Kit used with 2355 – 600mm Horizontal Balanced Flue kit Model 15–20 1892 1038 20–26 1892 1038 2357 – High Level Adaptor Kit used with Model 2356 – 1000mm Horizontal Balanced Flue Kit 15–20 1892 1038 20–26 1892...
  • Page 31 Vertical Balanced Flue Assembly (Kit 2360) Fit the ceiling plate’s (13) centrally over the hole in the Before starting, ensure the placement of each pipe section has been identified (Fig 23), and that all 'o'- ceiling. Pack the space around the flue with a suitable rings (item 5) are in position and are well lubricated.
  • Page 32 Item Description Part No. Flue Sealing Plate 223191 Sealing Plate Gasket 223198 Spigot 222819 Spigot Sealing Plate 222825 'O'-Ring Seal 221647 Flue Lower Section 222820 Flue Middle Section 222829 Flue Top Section 222877 Terminal Lower Section 222880 Terminal 222850 Internal Clamping Strap 222899 External Clamping Strap 222894...
  • Page 33 15–20 4600 1390 3750 20–26 4600 1390 3750 Note 'X': Shorter flue runs can be achieved by discarding the marked sections. Longer runs can be achieved by purchasing additional sections of pipe. Permanent obstructions may be avoided by the use of 45º...
  • Page 34 Extensions and Elbows When fitting the high-level adapter kit (2357) or the Example: vertical flue kit (2360), combinations of the following 2 x 45º elbows to offset vertical flue extensions. items can be used to create alternative configurations: 2361 - 500mm short flue extension 2362 - 960mm flue extension 2363 - 45º...

  • Page 35: Commissioning

    COMMISSIONING Although all burners are tested before despatch, Handing Over individual site conditions such as oil supply pressures and deviations in the draught mean that the burner will After completing the boiler installation, the engineer require adjustment after installation to achieve optimal should check the system to ensure it is satisfactory performance.

  • Page 36: Line Filters

    Oil Tank and Line Filters Burner and Combustion Chamber Open the tanks drain cock and draw off any Ensure the electrical supply is switched off and accumulated water and sludge. remove the burner. If the boiler uses a balanced flue, remove the air hose first.
  • Page 37 Baffle Configurations (15/20 kW & 20/26kW) Main Baffles Important: As shown above, the ‘skirt’ (1) on the underside of each baffle must be hooked over the rear of the lug (2) on the baffle immediately below. The use of a tool may be required to lift the third baffle (3) from the combustion chamber.

  • Page 38: Boiler

    BURNER FAULT FINDING Note: before making any electrical checks or modifications, ensure the mains supply to the boilers is switched off. Fault Possible cause Action Control box locked out Press red reset button on burner Press red reset button on rear of control panel; High limit thermostat tripped check function of boiler thermostat Burner will not start...

  • Page 41: Spares

    SPARES (Fig 31) Item Description Combi 20 Combi 26 Boiler Body and Tank Assembly 224560 224560 Flue Socket 223135 223135 Flue Socket Gasket 223071 223071 Combustion Chamber Access Cover 224670 224670 Burner 224820 224821 Burner Mounting Flange Gasket 224941 224941 Burner Mounting Flange 224942 224942...
  • Page 42 Item Description Part No. Control Box Assy 221599 Relay 54572 Relay Base 501765 Tank Limit Thermostat 208096 DHW Thermostat 221572 Tank Thermostat 500039 Boiler Limit Thermostat 206892 Boiler Control Thermostat 206896 Programmer (Not Shown) 224960...
  • Page 43 Item Description Part No. Door Panel Assembly 224661 Control Panel Assembly 224664 Control Box Assembly 221599 Left Side Panel Assembly 224564 Top Panel Assembly 224567 Back Panel 224657 Right Hand Panel Assembly 224561...
  • Page 44 The following information should be provided upon installation of the appliance for householder reference: Installation Engineer: Company: Company Address: Company Tel. No:...
  • Page 46 Sheffield, S35 2PH. Tel: (0114) 2572300 Fax: (0114) 2571419 www.trianco.co.uk Copyright in this brochure and the drawings and illustrations contained within are vested in TR Engineering Ltd And neither the brochure or any part thereof may be reproduced without prior written consent.

This manual is also suitable for:

Eurostar combi 26

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