Riello Vokera Linea ONE Installation & Servicing Instructions Manual
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Riello Vokera Linea ONE Installation & Servicing Instructions Manual

High efficiency combi boiler
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Linea ONE
High efficiency combi boiler
Installation
& Servicing
Instructions
G.C. N° 47-364-03
THESE INSTRUCTIONS
TO BE RETAINED
BY USER
Vokèra is a licensed member of the Benchmark scheme
which aims to improve the standards of installation and
commissioning of domestic hot water systems in the UK.

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Summary of Contents for Riello Vokera Linea ONE

  • Page 1 Linea ONE High efficiency combi boiler Installation & Servicing Instructions G.C. N° 47-364-03 THESE INSTRUCTIONS TO BE RETAINED BY USER Vokèra is a licensed member of the Benchmark scheme which aims to improve the standards of installation and commissioning of domestic hot water systems in the UK.

  • Page 2: Table Of Contents

    Contents Design principles & operating sequence Page Pump assembly Safety valve Principle components Bottom automatic air release valves Mode of operation Water pressure sensor/gauge Mode of operation (Heating) Primary thermistors Mode of operation (DHW) 6.10 Return thermistors Safety devices 6.11 Printed circuit board Optional accessories 6.12 Gas valve 6.13 Electrode and condense sensor...
  • Page 3 INSTALLATION AND SERVICING INSTRUCTIONS INTRODUCTION All installers are asked to follow the Benchmark Scheme by ad- C93x type flue applications. hering to the Code of Practise, which can be obtained from www. These appliances are designed for use with a sealed system only; centralheating.co.uk.
  • Page 4 PRIMARY INFORMATION SECONDARY INFORMATION CONTROLS INTERFACE DISPLAY °C 1 Reset symbol Indicates when it is necessary to restart the boiler (please read page 42 for details). 2 Key symbol 1 Info button Indicates the presence of a fault (please read page 42 for details). Enables the function that allows the access to some information 3 Drop symbol regarding the boiler operation.

  • Page 5: Principle Components

    SECTION 1 - DESIGN PRINCIPLES AND OPERATING SEQUENCE 1.6 OPTIONAL ACCESSORIES 1.1 PRINCIPLE COMPONENTS The Linea ONE is suitable for use with a range of optional accessories - A fully integrated electronic control board featuring electronic tem- that enable enhanced operation and/or applications. These include: perature control, anti-cycle control, pump over-run, self-diagnostic - external sensor that enables the appliance to automatically adjust fault indicator and premix burner control...

  • Page 6: Central Heating

    SECTION 2 - TECHNICAL DATA 2.1 Central Heating Linea ONE Heat input (kW) 30.00 Maximum heat output @ 60/80 °C (kW) 29.34 Maximum heat output @ 30/50 °C (kW) 31.92 Minimum heat output @ 60/80 °C (kW) 3.70 Minimum heat output @ 30/50 °C (kW) 4.02 Minimum working pressure 0.50 bar...

  • Page 7: Emissions

    2.11 Emissions Linea ONE NOx (max-min) 30 - 15 p.p.m. CO (max-min) 150 - 10 p.p.m. (max-min) 9,0 - 9,5 % CO/CO ratio (max) 0,0017 to 1 CO/CO ratio (min) 0,0001 to 1 Ref. Condition 15 °C, 1013,25 mbar, dry gas NOTE: L.P.G.
  • Page 8 1 - VARIABLE SPEED CIRCULATION UNIT WITH PROPOR- 3 - VARIABLE SPEED CIRCULATION UNIT WITH MAXIMUM TIONAL MODE (41 <= P90 <= 90) FIXED MAXIMUM SPEED MODE (P90 = 1) 2 - VARIABLE SPEED CIRCULATION UNIT WITH CONSTANT In this mode the modulating circulation unit works constantly at DT MODE (2 <= P90 <= 40) maximum speed.
  • Page 9 Fig. 4 Location Minimum distance Below an opening (window, air-brick, etc.) 300 mm Above an opening (window, air-brick, etc.) 300 mm To the side of an opening (window, air-brick, etc.) 300 mm Below gutter, drain-pipe, etc. 25 mm Below eaves 25 mm Below balcony, car-port roof, etc.

  • Page 10: Related Documents

    SECTION 3 - GENERAL REQUIREMENTS (UK) This appliance must be installed by a competent person in accord- 5440 Part 1, when the terminal is 0.5 metres (or less) below plastic ance with the Gas Safety (Installation & Use) Regulations. guttering or 1 metre (or less) below painted eaves. 3.1 RELATED DOCUMENTS 3.5 AIR SUPPLY The installation of this boiler must be in accordance with the relevant...

  • Page 11: Electrical Supply

    3.6.8 FREQUENT FILLING fitted in accordance with the Institute of Gas Engineers publication Frequent filling or venting of the system may be indicative of a leak. (IGE/UP/7) ‘Guide for Gas Installations in Timber Frame Buildings’. Care should be taken during the installation of the appliance to ensure all aspects of the system are capable of withstanding pres- 3.9 INHIBITORS sures up to at least 3 bar.

  • Page 12: Related Documents

    SECTION 3A - GENERAL REQUIREMENTS (EIRE) 3A.6.2 AUTOMATIC BY-PASS This appliance must be installed by a competent person in accord- The appliance has a built-in automatic by-pass, consequently there ance with and defined by, the Standard Specification (Domestic Gas is no requirement for an external by-pass, however the design of the Installations) Declaration (I.S.

  • Page 13: Delivery

    SECTION 4 - INSTALLATION 4.1 DELIVERY Horizontal flue terminals and accessories Part No. Description Length Due to the weight of the appliance it may be necessary for two peo- ple to lift and attach the appliance to its mounting. The appliance is 29450120 Horizontal flue kit 900 mm...
  • Page 14 Vertical flue terminal and accessories Part No. Description Length 29450122 Vertical flue terminal 1000 mm Pitched roof flashing plate Flat roof flashing plate 29450123 90°-degree bend 29450124 45°-degree bends (pair) 29450125 500mm extension 500 mm 29450126 1000mm extension 1000 mm 29450127 2000mm extension 2000 mm...
  • Page 15 • Ensure that the entire flue system is adequately supported, use Fig. 11 at least one bracket for each extension. • The entire flue system must be adequately insulated to maintain heat within the flue system thereby reducing the possibility of condensate production.

  • Page 16: Connecting The Gas & Water

    Fig. 12 4.6 CONNECTING THE GAS AND WATER IMPORTANT - REAR SPACER KIT If you intend to run the pipework vertically behind the appliance, it will be necessary to use the rear spacer kit (part code 435). It will also be necessary to adjust the pitch of the fixing jig to compensate for the increase in the depth of the appliance.

  • Page 17: Electrical Connections

    4.6.5 SAFETY VALVE (fig. 14) Do not remove the link wire unless additional external controls are to Connect a discharge pipe to the fixing jig connection and tighten. be fitted (see section 8). The securing screw on the cable anchorage The discharge pipe must have a continuous fall away from the appli- should now be tightened.

  • Page 18: Gas Supply Installation

    SECTION 5 - COMMISSIONING 5.1 GAS SUPPLY INSTALLATION 5.7 INITIAL LIGHTING Inspect the entire installation including the gas meter, test for tight- Ensure the electrical supply to the appliance is switched on. Press the ON/OFF switch to switch the appliance ON (indicated by active ness and purge.

  • Page 19: Setting The System Design Pressure

    If you don’t make any selection within 10 seconds, the boiler auto- 5.11 REGULATING THE HOT WATER matically exits the function. The appliance is fitted with a flow rate restrictor that limits the maxi- mum flow rate that can be drawn through the appliance. 5.9.3 INFORMATION MODE SERVICE The restrictor eliminates the need to manually adjust the DHW flow It is possible to display information that can be helpful for the Ser-...

  • Page 20: General

    SECTION 6 - SERVICING INSTRUCTIONS 6.1 GENERAL Once the appliance has been serviced, the benchmark Service Record must be completed. For UK only: It is important that the Benchmark Service Record is correctly completed and handed to the user. Failure to install and commission the appliance to the manufacturers instructions will invalidate the warranty.

  • Page 21: Safety Valve

    6.6 SAFETY VALVE (fig. 22) Replace in the reverse order. Carry out component removal procedure as described in 6.4. Dis- 6.11 PRINTED CIRCUIT BOARD (fig. 24) connect the outlet pipe (A) from the safety valve, remove safety Carry out component removal procedure as described in 6.4. valve locking pin (B) from the hydraulic manifold.

  • Page 22: Electrode And Condense Sensor

    6.15 BURNER (fig. 28) in a horizontal position and the spacers located at 120 degrees as indicated in figure. Reassemble the gas pipe in the reverse. Check Carry out component removal procedure as described in 6.4. the speed of the fan. Turn on the power to the boiler and re-open Unclip and remove the air chamber front and the RH side covers.

  • Page 23: Flow Restrictor

    6.21 DIVERTOR VALVE ASSEMBLY (fig. 32) Carry out component removal procedure as described in 6.4. Remo- ve the valve actuator as described in 6.20. Locate and remove the locking pin (A) that secures the valve housing cover to the hydraulic Fig.

  • Page 24: Expansion Vessel

    6.24 EXPANSION VESSEL (component 24, fig. 1) Should the removal and replacement of the expansion vessel be deemed impractical, an external expansion vessel may be fitted to the return pipe as close to the appliance as possible. 6.24.1 EXPANSION VESSEL REMOVAL (with sufficient clear- ance above, fig.

  • Page 25: Checking Appliance Operation

    SECTION 7 - CHECKS, ADJUSTMENTS AND FAULT FINDING 7.1 CHECKING APPLIANCE OPERATION Memory key: by pressing the button, Memory function enables When carrying out any repairs or servicing to the appliance, the ● and the correspondent symbol is displayed. relevant commissioning procedure must be undertaken to ensure Memory function simultaneously enables a double electronic the continued safe operation of the appliance.
  • Page 26 besides the usual habits memorized, it is possible to perform the commences. Ignition is sensed by the electronic circuitry to ensure domestic hot water pre-heating only a few moments before the flame stability at the burner. request. Once successful ignition has been achieved, the electronic circuitry Due to Touch &...

  • Page 27: Service Mode & Parameters

    7.3 SERVICE MODE & PARAMETERS This boiler is equipped with a new generation of electronic boards, which allow a better personalization by setting / adjusting the ma- chine’s operating parameters, in order to answer the installation and/or usage needs. The programmable parameters are indicated in the table at page 24.
  • Page 28 PARAMETER PARAMETER N° UNITÀ DEFAULT PAR. INSTALLAT SETTING This parameter is not used on this model. Do not modify This parameter is not influential 10 (10kW) 16 (16kW) 20 (20kW) 26 (25kW) 30 (30kW) 34 (35kW) 50 (50kW) 70 (70kW) Building structure DHW-type 0 (OFF)

  • Page 29: Adjustments

    7.4 ADJUSTMENTS only if strictly necessary. The value is shown on the display as rpm/100 (i.e. 3600/100 = 36). If adjustments are required again, for example after ordinary main- tenance you need to replace the gas valve or after converting from GAS VALVE MAXIMUM SETTING - HH natural gas to LPG or from LPG to natural gas, proceed as follows.

  • Page 30: Checking The Expansion Vessel

    7.6 CHECKING THE EXPANSION VESSEL Fig. 41 MAXIMUM POWER Carry out the component removal procedure as described in 6.4. You ADJUSTMENT NUT must ensure that the boiler is completely drained of water. Using a suitable pressure gauge, remove dust cap on expansion vessel and check the charge pressure.

  • Page 31: External Wiring

    SECTION 8 - WIRING DIAGRAMS 8.1 EXTERNAL WIRING The appliance comes with a factory fitted link to allow basic operation ROOM of the boiler via the mode selector switch. If external controls are to TERMOSTATO THERMOSTAT AMBIENTE be added to the system, they must be connected to the appliance as shown in the following diagrams.
  • Page 32 FUNCTIONAL DIAGRAM Fig. 46...
  • Page 33 PLUG or CONNECTION DESIGNATION AE01A-P2X Flow, return, condense sensor AE02X DHW sensor, DHW flow meter, water pres- sure sensor AE02X Underflow system overheat temperature AE02X RS232 PC interface AE02X Display board connection AE02X Unused AE02X Unused AE02X CN10 Unused PLUG or CONNECTION DESIGNATION AE02X Earth...

  • Page 34: Related Documents

    SECTION 9 - LPG INSTRUCTIONS 9.1 RELATED DOCUMENTS BS 6798 INSTALLATION OF BOILERS OF RATED INPUT NOT EXCEEDING 60 kW BS 5449 PART 1 FORCED CIRCULATION HOT WATER SYSTEMS BS 5446 INSTALLATION OF GAS HOT WATER SUPPLIES FOR DOMESTIC PURPOSES BS 5440 PART 1 FLUES...

  • Page 35: Commissioning Checklist

    COMMISSIONING: CO AND COMBUSTION RATIO CHECK NOTE BEFORE CO AND COMBUSTION RATIO CHECK The boiler installa on instruc ons should have been followed, The air/gas ra o valve is factory-set and gas type verified and gas supply pressure/rate checked as must not be adjusted during commissioning required prior to commissioning.

  • Page 36: Benchmark

    Benchmark Commissioning and Servicing Section 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 guarantee the boiler needs to be registered with the manufacturer within one month of the installation.
  • Page 37 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 38 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 40: Range Rated

    RANGE RATED - EN 483 The max CH input of this boiler has been adjusted to_____ kW, equivalent to _____ rpm max CH fan speed. Date___/____/____ Signature _____________________ Boiler serial number _____________________ Registered address: Vokèra Ltd Borderlake House Unit 7 Riverside Industrial Estate London Colney Herts AL2 1HG enquiries@vokera.co.uk...

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